mv-experiment (#1)

Reviewed-on: narayana/conversations-classic-ios#1
Co-authored-by: fmodf <fmodf.ios@gmail.com>
Co-committed-by: fmodf <fmodf.ios@gmail.com>

.swiftlint.yml

@@ -54,8 +54,12 @@ trailing_semicolon:
   severity: error
 
 type_name:
-  min_length: 3
+  min_length:
-  severity: warning
+    warninig: 3
+    error: 0
+  max_length:
+    warninig: 40
+    error: 80
 
 identifier_name:
   min_length: 3
@@ -73,6 +77,7 @@ identifier_name:
     - tz
     - to
     - db
+    - _db
 
 # Disable rules from the default enabled set.
 disabled_rules:
@@ -112,4 +117,5 @@ unused_declaration:
 
 # paths to ignore during linting. Takes precedence over `included`.
 excluded:
-  - SomePathHere
+  - .swiftgen
+  - "**/Generated"

ConversationsClassic/AppCore/Actions/AccountsActions.swift

@@ -1,12 +0,0 @@
-enum AccountsAction: Codable {
-    case accountsListUpdated(accounts: [Account])
-
-    case goTo(AccountNavigationState)
-
-    case tryAddAccountWithCredentials(login: String, password: String)
-    case addAccountError(jid: String, reason: String?)
-
-    case makeAccountPermanent(account: Account)
-
-    case clientServerFeaturesUpdated(jid: String, features: [ServerFeature])
-}

ConversationsClassic/AppCore/Actions/AppActions.swift

@@ -1,15 +0,0 @@
-enum AppAction: Codable {
-    case info(String)
-    case flushState
-    case changeFlow(_ flow: AppFlow)
-
-    case startAction(_ action: StartAction)
-    case databaseAction(_ action: DatabaseAction)
-    case accountsAction(_ action: AccountsAction)
-    case xmppAction(_ action: XMPPAction)
-    case rostersAction(_ action: RostersAction)
-    case chatsAction(_ action: ChatsAction)
-    case conversationAction(_ action: ConversationAction)
-    case sharingAction(_ action: SharingAction)
-    case fileAction(_ action: FileAction)
-}

ConversationsClassic/AppCore/Actions/ChatsActions.swift

@@ -1,10 +0,0 @@
-enum ChatsAction: Codable {
-    case chatsListUpdated(chats: [Chat])
-
-    case startChat(accountJid: String, participantJid: String)
-    case chatStarted(chat: Chat)
-
-    case createNewChat(accountJid: String, participantJid: String)
-    case chatCreated(chat: Chat)
-    case chatCreationFailed(reason: String)
-}

ConversationsClassic/AppCore/Actions/ConversationActions.swift

@@ -1,10 +0,0 @@
-enum ConversationAction: Codable {
-    case makeConversationActive(chat: Chat, roster: Roster?)
-
-    case messagesUpdated(messages: [Message])
-
-    case sendMessage(from: String, to: String, body: String)
-    case setReplyText(String)
-
-    case sendMediaMessages(from: String, to: String, messagesIds: [String], localFilesNames: [String])
-}

ConversationsClassic/AppCore/Actions/DatabaseActions.swift

@@ -1,12 +0,0 @@
-enum DatabaseAction: Codable {
-    case storedAccountsLoaded(accounts: [Account])
-    case loadingStoredAccountsFailed
-    case updateAccountFailed
-
-    case storedRostersLoaded(rosters: [Roster])
-    case storedChatsLoaded(chats: [Chat])
-
-    case storeMessageFailed(reason: String)
-
-    case updateAttachmentFailed(id: String, reason: String)
-}

ConversationsClassic/AppCore/Actions/FileActions.swift

@@ -1,17 +0,0 @@
-import Foundation
-
-enum FileAction: Stateable {
-    case downloadAttachmentFile(messageId: String, attachmentRemotePath: URL)
-    case attachmentFileDownloaded(messageId: String, localName: String)
-    case downloadingAttachmentFileFailed(messageId: String, reason: String)
-
-    case createAttachmentThumbnail(messageId: String, localName: String)
-    case attachmentThumbnailCreated(messageId: String, thumbnailName: String)
-
-    case fetchItemsFromGallery
-    case itemsFromGalleryFetched(items: [SharingGalleryItem])
-
-    case copyGalleryItemsForUploading(items: [SharingGalleryItem])
-    case copyCameraCapturedForUploading(media: Data, type: SharingCameraMediaType)
-    case itemsCopiedForUploading(newMessageIds: [String], localNames: [String])
-}

ConversationsClassic/AppCore/Actions/RostersActions.swift

@@ -1,12 +0,0 @@
-enum RostersAction: Codable {
-    case addRoster(ownerJID: String, contactJID: String, name: String?, groups: [String])
-    case addRosterDone(jid: String)
-    case addRosterError(reason: String)
-
-    case rostersListUpdated([Roster])
-
-    case markRosterAsLocallyDeleted(ownerJID: String, contactJID: String)
-    case unmarkRosterAsLocallyDeleted(ownerJID: String, contactJID: String)
-    case deleteRoster(ownerJID: String, contactJID: String)
-    case rosterDeletingFailed(reason: String)
-}

ConversationsClassic/AppCore/Actions/SharingActions.swift

@@ -1,21 +0,0 @@
-import Foundation
-
-enum SharingAction: Stateable {
-    case showSharing(Bool)
-
-    case shareLocation(lat: Double, lon: Double)
-    case shareContact(jid: String)
-    case shareDocuments([Data], [String])
-    case shareMedia(ids: [String])
-
-    case checkCameraAccess
-    case setCameraAccess(Bool)
-
-    case checkGalleryAccess
-    case setGalleryAccess(Bool)
-    case galleryItemsUpdated(items: [SharingGalleryItem])
-
-    case cameraCaptured(media: Data, type: SharingCameraMediaType)
-
-    case retrySharing(messageId: String)
-}

ConversationsClassic/AppCore/Actions/StartActions.swift

@@ -1,5 +0,0 @@
-enum StartAction: Codable {
-    case loadStoredAccounts
-
-    case goTo(StartNavigationState)
-}

ConversationsClassic/AppCore/Actions/XMPPActions.swift

@@ -1,17 +0,0 @@
-import Foundation
-
-enum XMPPAction: Codable {
-    case clientConnectionChanged(jid: String, state: ConnectionStatus)
-    case xmppMessageReceived(Message)
-
-    case xmppMessageSent(Message)
-    case xmppMessageSendFailed(msgId: String)
-    case xmppMessageSendSuccess(msgId: String)
-
-    case xmppSharingTryUpload(Message)
-    case xmppSharingUploadFailed(msgId: String, reason: String)
-    case xmppSharingUploadSuccess(msgId: String, attachmentRemotePath: String)
-    case serverFeaturesLoaded(jid: String, features: [String])
-
-    case xmppLoadArchivedMessages(jid: String, to: String?, fromDate: Date)
-}

ConversationsClassic/AppCore/AppStore.swift

@@ -1,102 +0,0 @@
-// This file declare global state object for whole app
-// and reducers/actions/middleware types. Core of app.
-import Combine
-import Foundation
-
-typealias Stateable = Codable & Equatable
-typealias AppStore = Store<AppState, AppAction>
-typealias Reducer<State: Stateable, Action: Codable> = (inout State, Action) -> Void
-typealias Middleware<State: Stateable, Action: Codable> = (State, Action) -> AnyPublisher<Action, Never>?
-
-final class Store<State: Stateable, Action: Codable>: ObservableObject {
-    @Published private(set) var state: State
-
-    // Serial queue for performing any actions sequentially
-    private let serialQueue = DispatchQueue(label: "im.narayana.conversations.classic.serial.queue", qos: .userInteractive)
-    private let middlewareQueue = DispatchQueue(label: "im.narayana.conversations.classic.middleware.queue", qos: .default, attributes: .concurrent)
-
-    private let reducer: Reducer<State, Action>
-    private let middlewares: [Middleware<State, Action>]
-    private var middlewareCancellables: Set<AnyCancellable> = []
-
-    // Init
-    init(
-        initialState: State,
-        reducer: @escaping Reducer<State, Action>,
-        middlewares: [Middleware<State, Action>] = []
-    ) {
-        state = initialState
-        self.reducer = reducer
-        self.middlewares = middlewares
-    }
-
-    // Run reducers/middlewares
-    func dispatch(_ action: Action) {
-        if !Thread.isMainThread {
-            print("❌WARNING!: AppStore.dispatch should be called from the main thread")
-        }
-        serialQueue.sync { [weak self] in
-            guard let wSelf = self else { return }
-            let newState = wSelf.dispatch(wSelf.state, action)
-            wSelf.state = newState
-        }
-    }
-
-    private func dispatch(_ currentState: State, _ action: Action) -> State {
-        // Do reducing
-        var startTime = CFAbsoluteTimeGetCurrent()
-        var newState = currentState
-        reducer(&newState, action)
-        var timeElapsed = CFAbsoluteTimeGetCurrent() - startTime
-        if timeElapsed > 0.05 {
-            #if DEBUG
-                print(
-                    """
-                    --
-                    (Ignore this warning ONLY in case, when execution is paused by your breakpoint)
-                    🕐Execution time: \(timeElapsed)
-                    ❌WARNING! Some reducers work too long! It will lead to issues in production build!
-                    Because of execution each action is synchronous the any stuck will reduce performance dramatically.
-                    Probably you need check which part of reducer/middleware should be async (wrapped with Futures, as example)
-                    --
-                    """
-                )
-            #else
-            #endif
-        }
-
-        // Dispatch all middleware functions
-        for middleware in middlewares {
-            guard let middleware = middleware(newState, action) else {
-                break
-            }
-            startTime = CFAbsoluteTimeGetCurrent()
-            middleware
-                .subscribe(on: middlewareQueue)
-                .receive(on: DispatchQueue.main)
-                .sink(receiveValue: { [weak self] action in
-                    self?.dispatch(action)
-                })
-                .store(in: &middlewareCancellables)
-            timeElapsed = CFAbsoluteTimeGetCurrent() - startTime
-            if timeElapsed > 0.05 {
-                #if DEBUG
-                    print(
-                        """
-                        --
-                        (Ignore this warning ONLY in case, when execution is paused by your breakpoint)
-                        🕐Execution time: \(timeElapsed)
-                        ❌WARNING! Middleware work too long! It will lead to issues in production build!
-                        Because of execution each action is synchronous the any stuck will reduce performance dramatically.
-                        Probably you need check which part of reducer/middleware should be async (wrapped with Futures, as example)
-                        --
-                        """
-                    )
-                #else
-                #endif
-            }
-        }
-
-        return newState
-    }
-}

ConversationsClassic/AppCore/Database/Database+Martin/Database+Martin.swift

@@ -1,7 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-
-extension Database: MartinsManager {}
-
-// Check specific implementation in Database+Martin* files

ConversationsClassic/AppCore/Database/Database+Martin/Database+MartinChannelManager.swift

@@ -1,21 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-
-extension Database: Martin.ChannelManager {
-    func channels(for _: Martin.Context) -> [any Martin.ChannelProtocol] {
-        []
-    }
-
-    func createChannel(for _: Martin.Context, with _: Martin.BareJID, participantId _: String, nick _: String?, state _: Martin.ChannelState) -> Martin.ConversationCreateResult<any Martin.ChannelProtocol> {
-        .none
-    }
-
-    func channel(for _: Martin.Context, with _: Martin.BareJID) -> (any Martin.ChannelProtocol)? {
-        nil
-    }
-
-    func close(channel _: any Martin.ChannelProtocol) -> Bool {
-        false
-    }
-}

ConversationsClassic/AppCore/Database/Database+Martin/Database+MartinRoomManager.swift

@@ -1,105 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-
-extension Database: Martin.RoomManager {
-    func rooms(for context: Martin.Context) -> [any Martin.RoomProtocol] {
-        do {
-            let rooms: [Room] = try _db.read { db in
-                try Room.filter(Column("account") == context.userBareJid.stringValue).fetchAll(db)
-            }
-            return rooms.map { room in
-                Martin.RoomBase(
-                    context: context,
-                    jid: context.userBareJid,
-                    nickname: room.nickname,
-                    password: room.password,
-                    dispatcher: QueueDispatcher(label: "room-\(room.id)")
-                )
-            }
-        } catch {
-            logIt(.error, "Error fetching channels: \(error.localizedDescription)")
-            return []
-        }
-    }
-
-    func room(for context: Martin.Context, with roomJid: Martin.BareJID) -> (any Martin.RoomProtocol)? {
-        do {
-            let room: Room? = try _db.read { db in
-                try Room
-                    .filter(Column("account") == context.userBareJid.stringValue)
-                    .filter(Column("id") == roomJid.stringValue)
-                    .fetchOne(db)
-            }
-            if let room {
-                return Martin.RoomBase(
-                    context: context,
-                    jid: context.userBareJid,
-                    nickname: room.nickname,
-                    password: room.password,
-                    dispatcher: QueueDispatcher(label: "room-\(room.id)")
-                )
-            } else {
-                return nil
-            }
-        } catch {
-            logIt(.error, "Error fetching room: \(error.localizedDescription)")
-            return nil
-        }
-    }
-
-    func createRoom(for context: Martin.Context, with roomJid: Martin.BareJID, nickname: String, password: String?) -> (any Martin.RoomProtocol)? {
-        do {
-            let room: Room? = try _db.read { db in
-                try Room
-                    .filter(Column("account") == context.userBareJid.stringValue)
-                    .filter(Column("id") == roomJid.stringValue)
-                    .fetchOne(db)
-            }
-            if let room {
-                return Martin.RoomBase(
-                    context: context,
-                    jid: context.userBareJid,
-                    nickname: room.nickname,
-                    password: room.password,
-                    dispatcher: QueueDispatcher(label: "room-\(room.id)")
-                )
-            } else {
-                let room = Room(
-                    id: roomJid.stringValue,
-                    account: context.userBareJid.stringValue,
-                    nickname: nickname,
-                    password: password
-                )
-                try _db.write { db in
-                    try room.save(db)
-                }
-                return Martin.RoomBase(
-                    context: context,
-                    jid: context.userBareJid,
-                    nickname: nickname,
-                    password: password,
-                    dispatcher: QueueDispatcher(label: "room-\(room.id)")
-                )
-            }
-        } catch {
-            logIt(.error, "Error fetching room: \(error.localizedDescription)")
-            return nil
-        }
-    }
-
-    func close(room: any Martin.RoomProtocol) -> Bool {
-        do {
-            try _db.write { db in
-                try Room
-                    .filter(Column("account") == room.context?.userBareJid.stringValue ?? "")
-                    .filter(Column("id") == room.jid.stringValue)
-                    .deleteAll(db)
-            }
-            return true
-        } catch {
-            logIt(.error, "Error closing room: \(error.localizedDescription)")
-            return false
-        }
-    }
-}

ConversationsClassic/AppCore/Files/DownloadManager.swift

@@ -1,48 +0,0 @@
-import Foundation
-
-final class DownloadManager {
-    static let shared = DownloadManager()
-
-    private let urlSession: URLSession
-    private let downloadQueue = DispatchQueue(label: "com.example.downloadQueue")
-    private var activeDownloads = Set<URL>()
-
-    init() {
-        let configuration = URLSessionConfiguration.default
-        urlSession = URLSession(configuration: configuration)
-    }
-
-    func enqueueDownload(from url: URL, to localUrl: URL, completion: @escaping (Error?) -> Void) {
-        downloadQueue.async {
-            if self.activeDownloads.contains(url) {
-                print("Download for this file is already in queue.")
-                return
-            }
-
-            self.activeDownloads.insert(url)
-
-            let task = self.urlSession.downloadTask(with: url) { tempLocalUrl, _, error in
-                self.downloadQueue.async {
-                    self.activeDownloads.remove(url)
-
-                    guard let tempLocalUrl = tempLocalUrl, error == nil else {
-                        completion(error)
-                        return
-                    }
-
-                    do {
-                        if FileManager.default.fileExists(atPath: localUrl.path) {
-                            try FileManager.default.removeItem(at: localUrl)
-                        }
-                        let data = try Data(contentsOf: tempLocalUrl)
-                        try data.write(to: localUrl)
-                        completion(nil)
-                    } catch let writeError {
-                        completion(writeError)
-                    }
-                }
-            }
-            task.resume()
-        }
-    }
-}

ConversationsClassic/AppCore/Files/FileProcessing.swift

@@ -1,301 +0,0 @@
-import Foundation
-import Photos
-import UIKit
-
-final class FileProcessing {
-    static let shared = FileProcessing()
-
-    static var fileFolder: URL {
-        // swiftlint:disable:next force_unwrapping
-        let documentsURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
-        let subdirectoryURL = documentsURL.appendingPathComponent(Const.fileFolder)
-        if !FileManager.default.fileExists(atPath: subdirectoryURL.path) {
-            try? FileManager.default.createDirectory(at: subdirectoryURL, withIntermediateDirectories: true, attributes: nil)
-        }
-        return subdirectoryURL
-    }
-
-    func createThumbnail(localName: String) -> String? {
-        let thumbnailFileName = "thumb_\(localName)"
-        let thumbnailUrl = FileProcessing.fileFolder.appendingPathComponent(thumbnailFileName)
-        let localUrl = FileProcessing.fileFolder.appendingPathComponent(localName)
-
-        // check if thumbnail already exists
-        if FileManager.default.fileExists(atPath: thumbnailUrl.path) {
-            return thumbnailFileName
-        }
-
-        // create thumbnail if not exists
-        switch localName.attachmentType {
-        case .image:
-            guard let image = UIImage(contentsOfFile: localUrl.path) else {
-                print("FileProcessing: Error loading image: \(localUrl)")
-                return nil
-            }
-            let targetSize = CGSize(width: Const.attachmentPreviewSize, height: Const.attachmentPreviewSize)
-            guard let thumbnail = scaleAndCropImage(image, targetSize) else {
-                print("FileProcessing: Error scaling image: \(localUrl)")
-                return nil
-            }
-            guard let data = thumbnail.pngData() else {
-                print("FileProcessing: Error converting thumbnail of \(localUrl) to data")
-                return nil
-            }
-            do {
-                try data.write(to: thumbnailUrl)
-                return thumbnailFileName
-            } catch {
-                print("FileProcessing: Error writing thumbnail: \(error)")
-                return nil
-            }
-
-        default:
-            return nil
-        }
-    }
-
-    func fetchGallery() -> [SharingGalleryItem] {
-        let items = syncGalleryEnumerate()
-            .map {
-                SharingGalleryItem(
-                    id: $0.localIdentifier,
-                    type: $0.mediaType == .image ? .photo : .video,
-                    duration: $0.mediaType == .video ? $0.duration.minAndSec : nil
-                )
-            }
-        return items
-    }
-
-    func fillGalleryItemsThumbnails(items: [SharingGalleryItem]) -> [SharingGalleryItem] {
-        let ids = items
-            .filter { $0.thumbnail == nil }
-            .map { $0.id }
-
-        let assets = syncGalleryEnumerate(ids)
-        return assets.compactMap { asset in
-            if asset.mediaType == .image {
-                return syncGalleryProcessImage(asset) { [weak self] image in
-                    if let thumbnail = self?.scaleAndCropImage(image, CGSize(width: Const.galleryGridSize, height: Const.galleryGridSize)) {
-                        let data = thumbnail.jpegData(compressionQuality: 1.0) ?? Data()
-                        return SharingGalleryItem(id: asset.localIdentifier, type: .photo, thumbnail: data)
-                    } else {
-                        return nil
-                    }
-                }
-            } else if asset.mediaType == .video {
-                return syncGalleryProcessVideo(asset) { [weak self] avAsset in
-                    // swiftlint:disable:next force_cast
-                    let assetURL = avAsset as! AVURLAsset
-                    let url = assetURL.url
-                    if let thumbnail = self?.generateVideoThumbnail(url, CGSize(width: Const.galleryGridSize, height: Const.galleryGridSize)) {
-                        let data = thumbnail.jpegData(compressionQuality: 1.0) ?? Data()
-                        return SharingGalleryItem(
-                            id: asset.localIdentifier,
-                            type: .video,
-                            thumbnail: data,
-                            duration: asset.duration.minAndSec
-                        )
-                    } else {
-                        return nil
-                    }
-                }
-            } else {
-                return nil
-            }
-        }
-    }
-
-    // This function also creates new ids for messages for each new attachment
-    func copyGalleryItemsForUploading(items: [SharingGalleryItem]) -> [(String, String)] {
-        let assets = syncGalleryEnumerate(items.map { $0.id })
-        return assets
-            .compactMap { asset in
-                let newMessageId = UUID().uuidString
-                let fileId = UUID().uuidString
-                if asset.mediaType == .image {
-                    return syncGalleryProcessImage(asset) { image in
-                        let localName = "\(newMessageId)_\(fileId).jpg"
-                        let localUrl = FileProcessing.fileFolder.appendingPathComponent(localName)
-                        if let data = image.jpegData(compressionQuality: 1.0) {
-                            do {
-                                try data.write(to: localUrl)
-                                return (newMessageId, localName)
-                            } catch {
-                                return nil
-                            }
-                        } else {
-                            return nil
-                        }
-                    }
-                } else if asset.mediaType == .video {
-                    return syncGalleryProcessVideo(asset) { avAsset in
-                        // swiftlint:disable:next force_cast
-                        let assetURL = avAsset as! AVURLAsset
-                        let url = assetURL.url
-                        let localName = "\(newMessageId)_\(fileId).mov"
-                        let localUrl = FileProcessing.fileFolder.appendingPathComponent(localName)
-                        do {
-                            try FileManager.default.copyItem(at: url, to: localUrl)
-                            return (newMessageId, localName)
-                        } catch {
-                            return nil
-                        }
-                    }
-                } else {
-                    return nil
-                }
-            }
-    }
-
-    // This function also creates new id for file from camera capturing
-    func copyCameraCapturedForUploading(media: Data, type: SharingCameraMediaType) -> (String, String)? {
-        let newMessageId = UUID().uuidString
-        let fileId = UUID().uuidString
-        let localName: String
-        switch type {
-        case .photo:
-            localName = "\(newMessageId)_\(fileId).jpg"
-        case .video:
-            localName = "\(newMessageId)_\(fileId).mov"
-        }
-        let localUrl = FileProcessing.fileFolder.appendingPathComponent(localName)
-        do {
-            try media.write(to: localUrl)
-            return (newMessageId, localName)
-        } catch {
-            return nil
-        }
-    }
-
-    // This function also creates new id for file from document sharing
-    func copyDocumentsForUploading(data: [Data], extensions: [String]) -> [(String, String)] {
-        data.enumerated().compactMap { index, data in
-            let newMessageId = UUID().uuidString
-            let fileId = UUID().uuidString
-            let localName = "\(newMessageId)_\(fileId).\(extensions[index])"
-            let localUrl = FileProcessing.fileFolder.appendingPathComponent(localName)
-            do {
-                try data.write(to: localUrl)
-                return (newMessageId, localName)
-            } catch {
-                print("FileProcessing: Error writing document: \(error)")
-                return nil
-            }
-        }
-    }
-}
-
-private extension FileProcessing {
-    func scaleAndCropImage(_ img: UIImage, _ size: CGSize) -> UIImage? {
-        let aspect = img.size.width / img.size.height
-        let targetAspect = size.width / size.height
-        var newWidth: CGFloat
-        var newHeight: CGFloat
-        if aspect < targetAspect {
-            newWidth = size.width
-            newHeight = size.width / aspect
-        } else {
-            newHeight = size.height
-            newWidth = size.height * aspect
-        }
-
-        UIGraphicsBeginImageContextWithOptions(size, false, 0.0)
-        img.draw(in: CGRect(x: (size.width - newWidth) / 2, y: (size.height - newHeight) / 2, width: newWidth, height: newHeight))
-        let newImage = UIGraphicsGetImageFromCurrentImageContext()
-        UIGraphicsEndImageContext()
-
-        return newImage
-    }
-
-    func syncGalleryEnumerate(_ ids: [String]? = nil) -> [PHAsset] {
-        var result: [PHAsset] = []
-
-        let group = DispatchGroup()
-        DispatchQueue.global(qos: .userInitiated).sync {
-            let fetchOptions = PHFetchOptions()
-            fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
-            if let ids {
-                fetchOptions.predicate = NSPredicate(format: "localIdentifier IN %@", ids)
-            }
-            let assets = PHAsset.fetchAssets(with: fetchOptions)
-            assets.enumerateObjects { asset, _, _ in
-                group.enter()
-                result.append(asset)
-                group.leave()
-            }
-        }
-        group.wait()
-        return result
-    }
-
-    func syncGalleryProcess<T>(_ assets: [PHAsset], _ block: @escaping (PHAsset) -> T) -> [T] {
-        var result: [T] = []
-        let group = DispatchGroup()
-        DispatchQueue.global(qos: .userInitiated).sync {
-            for asset in assets {
-                group.enter()
-                let res = block(asset)
-                result.append(res)
-                group.leave()
-            }
-        }
-        group.wait()
-        return result
-    }
-
-    func syncGalleryProcessImage<T>(_ asset: PHAsset, _ block: @escaping (UIImage) -> T?) -> T? {
-        var result: T?
-        let semaphore = DispatchSemaphore(value: 0)
-        DispatchQueue.global(qos: .userInitiated).sync {
-            let options = PHImageRequestOptions()
-            options.version = .original
-            options.isSynchronous = true
-            PHImageManager.default().requestImage(
-                for: asset,
-                targetSize: PHImageManagerMaximumSize,
-                contentMode: .aspectFill,
-                options: options
-            ) { image, _ in
-                if let image {
-                    result = block(image)
-                } else {
-                    result = nil
-                }
-                semaphore.signal()
-            }
-        }
-        semaphore.wait()
-        return result
-    }
-
-    func syncGalleryProcessVideo<T>(_ asset: PHAsset, _ block: @escaping (AVAsset) -> T?) -> T? {
-        var result: T?
-        let semaphore = DispatchSemaphore(value: 0)
-        _ = DispatchQueue.global(qos: .userInitiated).sync {
-            PHImageManager.default().requestAVAsset(forVideo: asset, options: nil) { avAsset, _, _ in
-                if let avAsset {
-                    result = block(avAsset)
-                } else {
-                    result = nil
-                }
-                semaphore.signal()
-            }
-        }
-        semaphore.wait()
-        return result
-    }
-
-    func generateVideoThumbnail(_ url: URL, _ size: CGSize) -> UIImage? {
-        let asset = AVAsset(url: url)
-        let assetImgGenerate = AVAssetImageGenerator(asset: asset)
-        assetImgGenerate.appliesPreferredTrackTransform = true
-        let time = CMTimeMakeWithSeconds(Float64(1), preferredTimescale: 600)
-        do {
-            let cgImage = try assetImgGenerate.copyCGImage(at: time, actualTime: nil)
-            let image = UIImage(cgImage: cgImage)
-            return scaleAndCropImage(image, size)
-        } catch {
-            return nil
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/AccountsMiddleware.swift

@@ -1,69 +0,0 @@
-import Combine
-import Foundation
-
-final class AccountsMiddleware {
-    static let shared = AccountsMiddleware()
-
-    private lazy var allFeatures: [ServerFeature] = {
-        guard
-            let url = Bundle.main.url(forResource: "server_features", withExtension: "plist"),
-            let data = try? Data(contentsOf: url),
-            let loaded = try? PropertyListDecoder().decode([ServerFeature].self, from: data)
-        else {
-            return []
-        }
-        return loaded
-    }()
-
-    func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        case .databaseAction(.storedAccountsLoaded(let accounts)):
-            return Just(.accountsAction(.accountsListUpdated(accounts: accounts)))
-                .eraseToAnyPublisher()
-
-        case .xmppAction(.clientConnectionChanged(let jid, let connectionStatus)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    guard let account = state.accountsState.accounts.first(where: { $0.bareJid == jid }) else {
-                        promise(.success(.info("AccountsMiddleware: account not found for jid \(jid)")))
-                        return
-                    }
-                    if account.isTemp {
-                        switch connectionStatus {
-                        case .connected:
-                            promise(.success(.accountsAction(.makeAccountPermanent(account: account))))
-
-                        case .disconnected(let reason):
-                            if reason != "No error!" {
-                                promise(.success(.accountsAction(.addAccountError(jid: jid, reason: reason))))
-                            } else {
-                                promise(.success(.info("AccountsMiddleware: account \(jid) disconnected with no error")))
-                            }
-
-                        default:
-                            promise(.success(.info("AccountsMiddleware: account \(jid) connection status changed to \(connectionStatus)")))
-                        }
-                    } else {
-                        promise(.success(.info("AccountsMiddleware: account \(jid) is not temporary, ignoring")))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.serverFeaturesLoaded(let jid, let features)):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    let serverFeatures = features
-                        .compactMap { featureId in
-                            self?.allFeatures.first(where: { $0.xmppId == featureId })
-                        }
-                    promise(.success(.accountsAction(.clientServerFeaturesUpdated(jid: jid, features: serverFeatures))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/ArchivedMessagesMiddleware.swift

@@ -1,49 +0,0 @@
-import Combine
-import Foundation
-
-final class ArchivedMessagesMiddleware {
-    static let shared = ArchivedMessagesMiddleware()
-
-    func middleware(state _: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        // case .conversationAction(.messagesUpdated(let messages)):
-        //     if state.conversationsState.archivedMessagesRequested {
-        //         return Empty().eraseToAnyPublisher()
-        //     } else {
-        //         guard let chat = state.conversationsState.currentChat else {
-        //             return Empty().eraseToAnyPublisher()
-        //         }
-        //         return Deferred {
-        //             Future<AppAction, Never> { promise in
-        //                 if let currentClient = state.accountsState.accounts.first(where: { $0.bareJid == chat.account }) {
-        //                     let features = state.accountsState.discoFeatures[currentClient.bareJid] ?? []
-        //                     if features.map({ $0.xep }).contains("XEP-0313") {
-        //                         let roster = state.conversationsState.currentRoster
-        //                         let date = self.archivesRequestDate(from: messages)
-        //                         promise(.success(.xmppAction(.xmppLoadArchivedMessages(jid: currentClient.bareJid, to: roster?.bareJid, fromDate: date))))
-        //                     } else {
-        //                         promise(.success(.info("MessageMiddleware: XEP-0313 not supported for client \(currentClient.bareJid)")))
-        //                     }
-        //                 } else {
-        //                     promise(.success(.info("MessageMiddleware: No client found for account \(chat.account), probably some error here")))
-        //                 }
-        //             }
-        //         }
-        //         .eraseToAnyPublisher()
-        //     }
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}
-
-private extension ArchivedMessagesMiddleware {
-    func archivesRequestDate(from messages: [Message]) -> Date {
-        if let lastDate = messages.first?.date {
-            return lastDate
-        } else {
-            return Calendar.current.date(byAdding: .day, value: -Const.mamRequestDaysLength, to: Date()) ?? Date()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/ChatsMiddleware.swift

@@ -1,34 +0,0 @@
-import Combine
-
-final class ChatsMiddleware {
-    static let shared = ChatsMiddleware()
-
-    func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        case .databaseAction(.storedChatsLoaded(let chats)):
-            return Just(.chatsAction(.chatsListUpdated(chats: chats)))
-                .eraseToAnyPublisher()
-
-        case .chatsAction(.startChat(accountJid: let accountJid, participantJid: let participantJid)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    if let exist = state.chatsState.chats.first(where: { $0.account == accountJid && $0.participant == participantJid }) {
-                        // open existing chat
-                        promise(.success(.chatsAction(.chatStarted(chat: exist))))
-                    } else {
-                        // create new chat
-                        promise(.success(.chatsAction(.createNewChat(accountJid: accountJid, participantJid: participantJid))))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .chatsAction(.chatCreated(let chat)):
-            return Just(.chatsAction(.chatStarted(chat: chat)))
-                .eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/ConversationMiddleware.swift

@@ -1,25 +0,0 @@
-import Combine
-
-final class ConversationMiddleware {
-    static let shared = ConversationMiddleware()
-
-    func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        case .chatsAction(.chatStarted(let chat)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    let roster = state.rostersState.rosters
-                        .first { $0.bareJid == chat.account && $0.contactBareJid == chat.participant }
-                    promise(.success(.conversationAction(.makeConversationActive(chat: chat, roster: roster))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .conversationAction(.makeConversationActive):
-            return Just(AppAction.changeFlow(.conversation)).eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/DatabaseMiddleware.swift

@@ -1,530 +0,0 @@
-import Combine
-import Foundation
-import GRDB
-
-// swiftlint:disable:next type_body_length
-final class DatabaseMiddleware {
-    static let shared = DatabaseMiddleware()
-    private let database = Database.shared
-    private var cancellables: Set<AnyCancellable> = []
-    private var conversationCancellables: Set<AnyCancellable> = []
-
-    private init() {
-        // Database changes
-        ValueObservation
-            .tracking(Roster.fetchAll)
-            .publisher(in: database._db, scheduling: .immediate)
-            .sink { _ in
-                // Handle completion
-            } receiveValue: { rosters in
-                DispatchQueue.main.async {
-                    store.dispatch(.databaseAction(.storedRostersLoaded(rosters: rosters)))
-                }
-            }
-            .store(in: &cancellables)
-        ValueObservation
-            .tracking(Chat.fetchAll)
-            .publisher(in: database._db, scheduling: .immediate)
-            .sink { _ in
-                // Handle completion
-            } receiveValue: { chats in
-                DispatchQueue.main.async {
-                    store.dispatch(.databaseAction(.storedChatsLoaded(chats: chats)))
-                }
-            }
-            .store(in: &cancellables)
-    }
-
-    // swiftlint:disable:next function_body_length cyclomatic_complexity
-    func middleware(state _: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        // MARK: Accounts
-        case .startAction(.loadStoredAccounts):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.loadingStoredAccountsFailed)))
-                            return
-                        }
-                        do {
-                            try database._db.read { db in
-                                let accounts = try Account.fetchAll(db)
-                                promise(.success(.databaseAction(.storedAccountsLoaded(accounts: accounts))))
-                            }
-                        } catch {
-                            promise(.success(.databaseAction(.loadingStoredAccountsFailed)))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .accountsAction(.makeAccountPermanent(let account)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAccountFailed)))
-                            return
-                        }
-                        do {
-                            try database._db.write { db in
-                                // make permanent and store to database
-                                var acc = account
-                                acc.isTemp = false
-                                try acc.insert(db)
-
-                                // Re-Fetch all accounts
-                                let accounts = try Account.fetchAll(db)
-
-                                // Use the accounts
-                                promise(.success(.databaseAction(.storedAccountsLoaded(accounts: accounts))))
-                            }
-                        } catch {
-                            promise(.success(.databaseAction(.updateAccountFailed)))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        // MARK: Rosters
-        case .rostersAction(.markRosterAsLocallyDeleted(let ownerJID, let contactJID)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.rostersAction(.rosterDeletingFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Roster
-                                    .filter(Column("bareJid") == ownerJID)
-                                    .filter(Column("contactBareJid") == contactJID)
-                                    .updateAll(db, Column("locallyDeleted").set(to: true))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: roster \(contactJID) for account \(ownerJID) marked as locally deleted")))
-                        } catch {
-                            promise(.success(.rostersAction(.rosterDeletingFailed(reason: L10n.Global.Error.genericDbError))))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .rostersAction(.unmarkRosterAsLocallyDeleted(let ownerJID, let contactJID)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.rostersAction(.rosterDeletingFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Roster
-                                    .filter(Column("bareJid") == ownerJID)
-                                    .filter(Column("contactBareJid") == contactJID)
-                                    .updateAll(db, Column("locallyDeleted").set(to: false))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: roster \(contactJID) for account \(ownerJID) unmarked as locally deleted")))
-                        } catch {
-                            promise(.success(.rostersAction(.rosterDeletingFailed(reason: L10n.Global.Error.genericDbError))))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        // MARK: Chats
-        case .chatsAction(.createNewChat(let accountJid, let participantJid)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.chatsAction(.chatCreationFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        do {
-                            try database._db.write { db in
-                                let chat = Chat(
-                                    id: UUID().uuidString,
-                                    account: accountJid,
-                                    participant: participantJid,
-                                    type: .chat
-                                )
-                                try chat.insert(db)
-                                promise(.success(.chatsAction(.chatCreated(chat: chat))))
-                            }
-                        } catch {
-                            promise(.success(.chatsAction(.chatCreationFailed(reason: L10n.Global.Error.genericDbError))))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        // MARK: Conversation and messages
-        case .conversationAction(.makeConversationActive(let chat, _)):
-            subscribeToMessages(chat: chat)
-            return Empty().eraseToAnyPublisher()
-
-        case .xmppAction(.xmppMessageReceived(let message)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        guard message.contentType != .typing, message.body != nil else {
-                            promise(.success(.info("DatabaseMiddleware: message \(message.id) received as 'typing...' or message body is nil")))
-                            return
-                        }
-                        do {
-                            try database._db.write { db in
-                                try message.insert(db)
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(message.id) stored in db")))
-                        } catch {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: error.localizedDescription))))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .conversationAction(.sendMessage(let from, let to, let body)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        do {
-                            let message = Message(
-                                id: UUID().uuidString,
-                                type: .chat,
-                                contentType: .text,
-                                from: from,
-                                to: to,
-                                body: body,
-                                subject: nil,
-                                thread: nil,
-                                oobUrl: nil,
-                                date: Date(),
-                                pending: true,
-                                sentError: false
-                            )
-                            try database._db.write { db in
-                                try message.insert(db)
-                            }
-                            promise(.success(.xmppAction(.xmppMessageSent(message))))
-                        } catch {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: error.localizedDescription))))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppMessageSendSuccess(let msgId)):
-            // mark message as pending false and sentError false
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == msgId)
-                                    .updateAll(db, Column("pending").set(to: false), Column("sentError").set(to: false))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(msgId) marked in db as sent")))
-                        } catch {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppMessageSendFailed(let msgId)):
-            // mark message as pending false and sentError true
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: L10n.Global.Error.genericDbError))))
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == msgId)
-                                    .updateAll(db, Column("pending").set(to: false), Column("sentError").set(to: true))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(msgId) marked in db as failed to send")))
-                        } catch {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: error.localizedDescription))))
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        // MARK: Attachments
-        case .fileAction(.downloadAttachmentFile(let id, _)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == id)
-                                    .updateAll(db, Column("attachmentDownloadFailed").set(to: false))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(id) marked in db as starting downloading attachment")))
-                        } catch {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.downloadingAttachmentFileFailed(let id, _)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == id)
-                                    .updateAll(db, Column("attachmentDownloadFailed").set(to: true))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(id) marked in db as failed to download attachment")))
-                        } catch {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.attachmentFileDownloaded(let id, let localName)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == id)
-                                    .updateAll(db, Column("attachmentLocalName").set(to: localName), Column("attachmentDownloadFailed").set(to: false))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(id) marked in db as downloaded attachment")))
-                        } catch {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.attachmentThumbnailCreated(let id, let thumbnailName)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == id)
-                                    .updateAll(db, Column("attachmentThumbnailName").set(to: thumbnailName))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(id) marked in db as thumbnail created")))
-                        } catch {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: id, reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        // MARK: Sharing
-        case .conversationAction(.sendMediaMessages(let from, let to, let messageIds, let localFilesNames)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            for (index, id) in messageIds.enumerated() {
-                                let message = Message(
-                                    id: id,
-                                    type: .chat,
-                                    contentType: .attachment,
-                                    from: from,
-                                    to: to,
-                                    body: nil,
-                                    subject: nil,
-                                    thread: nil,
-                                    oobUrl: nil,
-                                    date: Date(),
-                                    pending: true,
-                                    sentError: false,
-                                    attachmentType: localFilesNames[index].attachmentType,
-                                    attachmentLocalName: localFilesNames[index]
-                                )
-                                try database._db.write { db in
-                                    try message.insert(db)
-                                }
-                            }
-                            promise(.success(.info("DatabaseMiddleware: messages with sharings stored in db")))
-                        } catch {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .sharingAction(.retrySharing(let id)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == id)
-                                    .updateAll(db, Column("pending").set(to: true), Column("sentError").set(to: false))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: message \(id) with shares marked in db as pending to send")))
-                        } catch {
-                            promise(.success(.databaseAction(.storeMessageFailed(reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppSharingUploadSuccess(let messageId, let remotePath)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: messageId, reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == messageId)
-                                    .updateAll(db, Column("attachmentRemotePath").set(to: remotePath), Column("pending").set(to: false), Column("sentError").set(to: false))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: shared file uploaded and message \(messageId) marked in db as sent")))
-                        } catch {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: messageId, reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppSharingUploadFailed(let messageId, _)):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    Task(priority: .background) { [weak self] in
-                        guard let database = self?.database else {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: messageId, reason: L10n.Global.Error.genericDbError)))
-                            )
-                            return
-                        }
-                        do {
-                            _ = try database._db.write { db in
-                                try Message
-                                    .filter(Column("id") == messageId)
-                                    .updateAll(db, Column("pending").set(to: false), Column("sentError").set(to: true))
-                            }
-                            promise(.success(.info("DatabaseMiddleware: shared file upload failed and message \(messageId) marked in db as failed to send")))
-                        } catch {
-                            promise(.success(.databaseAction(.updateAttachmentFailed(id: messageId, reason: error.localizedDescription)))
-                            )
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}
-
-private extension DatabaseMiddleware {
-    func subscribeToMessages(chat: Chat) {
-        conversationCancellables = []
-        ValueObservation
-            .tracking(
-                Message
-                    .filter(
-                        (Column("to") == chat.account && Column("from") == chat.participant) ||
-                            (Column("from") == chat.account && Column("to") == chat.participant)
-                    )
-                    .order(Column("date").desc)
-                    .fetchAll
-            )
-            .publisher(in: database._db, scheduling: .immediate)
-            .sink { _ in
-            } receiveValue: { messages in
-                // messages
-                DispatchQueue.main.async {
-                    store.dispatch(.conversationAction(.messagesUpdated(messages: messages)))
-                }
-            }
-            .store(in: &conversationCancellables)
-    }
-}

ConversationsClassic/AppCore/Middlewares/FileMiddleware.swift

@@ -1,141 +0,0 @@
-import Combine
-import Foundation
-import UIKit
-
-final class FileMiddleware {
-    static let shared = FileMiddleware()
-    private var downloadingMessageIDs = ThreadSafeSet<String>()
-
-    func middleware(state _: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        // MARK: - For incomig attachments
-        case .conversationAction(.messagesUpdated(let messages)):
-            return Deferred {
-                Future { [weak self] promise in
-                    guard let wSelf = self else {
-                        promise(.success(.info("FileMiddleware: on checking attachments/shares messages, middleware self is nil")))
-                        return
-                    }
-
-                    // for incoming messages with attachments
-                    for message in messages where message.attachmentRemotePath != nil && message.attachmentLocalPath == nil {
-                        if wSelf.downloadingMessageIDs.contains(message.id) {
-                            continue
-                        }
-                        wSelf.downloadingMessageIDs.insert(message.id)
-                        DispatchQueue.main.async {
-                            // swiftlint:disable:next force_unwrapping
-                            store.dispatch(.fileAction(.downloadAttachmentFile(messageId: message.id, attachmentRemotePath: message.attachmentRemotePath!)))
-                        }
-                    }
-
-                    // for outgoing messages with shared attachments
-                    for message in messages where message.attachmentLocalPath != nil && message.attachmentRemotePath == nil && message.pending {
-                        DispatchQueue.main.async {
-                            store.dispatch(.xmppAction(.xmppSharingTryUpload(message)))
-                        }
-                    }
-
-                    // for outgoing messages with shared attachments which are already uploaded
-                    // but have no thumbnail (only for images)
-                    for message in messages where !message.pending && !message.sentError && message.attachmentType == .image {
-                        if message.attachmentLocalName != nil && message.attachmentRemotePath != nil && message.attachmentThumbnailName == nil {
-                            DispatchQueue.main.async {
-                                // swiftlint:disable:next force_unwrapping
-                                store.dispatch(.fileAction(.createAttachmentThumbnail(messageId: message.id, localName: message.attachmentLocalName!)))
-                            }
-                        }
-                    }
-
-                    promise(.success(.info("FileMiddleware: attachments/shares messages processed")))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.downloadAttachmentFile(let id, let attachmentRemotePath)):
-            return Deferred {
-                Future { promise in
-                    let localName = "\(id)_\(UUID().uuidString)\(attachmentRemotePath.lastPathComponent)"
-                    let localUrl = FileProcessing.fileFolder.appendingPathComponent(localName)
-                    DownloadManager.shared.enqueueDownload(from: attachmentRemotePath, to: localUrl) { error in
-                        DispatchQueue.main.async {
-                            if let error {
-                                store.dispatch(.fileAction(.downloadingAttachmentFileFailed(messageId: id, reason: error.localizedDescription)))
-                            } else {
-                                store.dispatch(.fileAction(.attachmentFileDownloaded(messageId: id, localName: localName)))
-                            }
-                        }
-                    }
-                    promise(.success(.info("FileMiddleware: started downloading attachment for message \(id)")))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.attachmentFileDownloaded(let id, let localName)):
-            return Deferred {
-                Future { [weak self] promise in
-                    self?.downloadingMessageIDs.remove(id)
-                    promise(.success(.fileAction(.createAttachmentThumbnail(messageId: id, localName: localName))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.createAttachmentThumbnail(let id, let localName)):
-            return Deferred {
-                Future { [weak self] promise in
-                    if let thumbnailName = FileProcessing.shared.createThumbnail(localName: localName) {
-                        self?.downloadingMessageIDs.remove(id)
-                        promise(.success(.fileAction(.attachmentThumbnailCreated(messageId: id, thumbnailName: thumbnailName))))
-                    } else {
-                        self?.downloadingMessageIDs.remove(id)
-                        promise(.success(.info("FileMiddleware: failed to create thumbnail from \(localName) for message \(id)")))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        // MARK: - For outgoing sharing
-        case .fileAction(.fetchItemsFromGallery):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    let items = FileProcessing.shared.fetchGallery()
-                    promise(.success(.fileAction(.itemsFromGalleryFetched(items: items))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.itemsFromGalleryFetched(let items)):
-            return Deferred {
-                Future { promise in
-                    let newItems = FileProcessing.shared.fillGalleryItemsThumbnails(items: items)
-                    promise(.success(.sharingAction(.galleryItemsUpdated(items: newItems))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.copyGalleryItemsForUploading(let items)):
-            return Deferred {
-                Future { promise in
-                    let ids = FileProcessing.shared.copyGalleryItemsForUploading(items: items)
-                    promise(.success(.fileAction(.itemsCopiedForUploading(newMessageIds: ids.map { $0.0 }, localNames: ids.map { $0.1 }))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.copyCameraCapturedForUploading(let media, let type)):
-            return Deferred {
-                Future { promise in
-                    if let (id, localName) = FileProcessing.shared.copyCameraCapturedForUploading(media: media, type: type) {
-                        promise(.success(.fileAction(.itemsCopiedForUploading(newMessageIds: [id], localNames: [localName]))))
-                    } else {
-                        promise(.success(.info("FileMiddleware: failed to copy camera captured media for uploading")))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/RostersMiddleware.swift

@@ -1,16 +0,0 @@
-import Combine
-
-final class RostersMiddleware {
-    static let shared = RostersMiddleware()
-
-    func middleware(state _: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        case .databaseAction(.storedRostersLoaded(let rosters)):
-            return Just(.rostersAction(.rostersListUpdated(rosters)))
-                .eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/SharingMiddleware.swift

@@ -1,131 +0,0 @@
-import AVFoundation
-import Combine
-import Foundation
-import Photos
-import UIKit
-
-final class SharingMiddleware {
-    static let shared = SharingMiddleware()
-
-    func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        // MARK: - Camera and Gallery Access
-        case .sharingAction(.checkCameraAccess):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    let status = AVCaptureDevice.authorizationStatus(for: .video)
-                    switch status {
-                    case .authorized:
-                        promise(.success(.sharingAction(.setCameraAccess(true))))
-
-                    case .notDetermined:
-                        AVCaptureDevice.requestAccess(for: .video) { granted in
-                            promise(.success(.sharingAction(.setCameraAccess(granted))))
-                        }
-
-                    case .denied, .restricted:
-                        promise(.success(.sharingAction(.setCameraAccess(false))))
-
-                    @unknown default:
-                        promise(.success(.sharingAction(.setCameraAccess(false))))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .sharingAction(.checkGalleryAccess):
-            return Deferred {
-                Future<AppAction, Never> { promise in
-                    let status = PHPhotoLibrary.authorizationStatus()
-                    switch status {
-                    case .authorized, .limited:
-                        promise(.success(.sharingAction(.setGalleryAccess(true))))
-
-                    case .notDetermined:
-                        PHPhotoLibrary.requestAuthorization { status in
-                            promise(.success(.sharingAction(.setGalleryAccess(status == .authorized))))
-                        }
-
-                    case .denied, .restricted:
-                        promise(.success(.sharingAction(.setGalleryAccess(false))))
-
-                    @unknown default:
-                        promise(.success(.sharingAction(.setGalleryAccess(false))))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.itemsFromGalleryFetched(let items)):
-            return Just(.sharingAction(.galleryItemsUpdated(items: items)))
-                .eraseToAnyPublisher()
-
-        // MARK: - Sharing
-        case .sharingAction(.shareMedia(let ids)):
-            return Deferred {
-                Future { promise in
-                    let items = state.sharingState.galleryItems.filter { ids.contains($0.id) }
-                    promise(.success(.fileAction(.copyGalleryItemsForUploading(items: items))))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .fileAction(.itemsCopiedForUploading(let newMessageIds, let localNames)):
-            if let chat = state.conversationsState.currentChat {
-                return Just(.conversationAction(.sendMediaMessages(
-                    from: chat.account,
-                    to: chat.participant,
-                    messagesIds: newMessageIds,
-                    localFilesNames: localNames
-                )))
-                .eraseToAnyPublisher()
-            } else {
-                return Empty().eraseToAnyPublisher()
-            }
-
-        case .sharingAction(.cameraCaptured(let media, let type)):
-            return Deferred {
-                Future { promise in
-                    if let (id, localName) = FileProcessing.shared.copyCameraCapturedForUploading(media: media, type: type) {
-                        promise(.success(.fileAction(.itemsCopiedForUploading(newMessageIds: [id], localNames: [localName])))
-                        )
-                    } else {
-                        promise(.success(.info("SharingMiddleware: camera's captured file didn't copied")))
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .sharingAction(.shareLocation(let lat, let lon)):
-            if let chat = state.conversationsState.currentChat {
-                let msg = "geo:\(lat),\(lon)"
-                return Just(.conversationAction(.sendMessage(from: chat.account, to: chat.participant, body: msg)))
-                    .eraseToAnyPublisher()
-            } else {
-                return Empty().eraseToAnyPublisher()
-            }
-
-        case .sharingAction(.shareDocuments(let data, let extensions)):
-            return Deferred {
-                Future { promise in
-                    let ids = FileProcessing.shared.copyDocumentsForUploading(data: data, extensions: extensions)
-                    promise(.success(.fileAction(.itemsCopiedForUploading(newMessageIds: ids.map { $0.0 }, localNames: ids.map { $0.1 })))
-                    )
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .sharingAction(.shareContact(let jid)):
-            if let chat = state.conversationsState.currentChat {
-                let msg = "contact:\(jid)"
-                return Just(.conversationAction(.sendMessage(from: chat.account, to: chat.participant, body: msg)))
-                    .eraseToAnyPublisher()
-            } else {
-                return Empty().eraseToAnyPublisher()
-            }
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/StartMiddleware.swift

@@ -1,32 +0,0 @@
-import Combine
-
-final class StartMiddleware {
-    static let shared = StartMiddleware()
-
-    func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        case .accountsAction(.accountsListUpdated(let accounts)):
-            if accounts.isEmpty {
-                if state.currentFlow == .start {
-                    return Just(.startAction(.goTo(.welcomeScreen)))
-                        .eraseToAnyPublisher()
-                } else {
-                    return Empty().eraseToAnyPublisher()
-                }
-            } else {
-                if state.currentFlow == .accounts, state.accountsState.navigation == .addAccount {
-                    return Just(.changeFlow(.chats))
-                        .eraseToAnyPublisher()
-                } else if state.currentFlow == .start {
-                    return Just(.changeFlow(.chats))
-                        .eraseToAnyPublisher()
-                } else {
-                    return Empty().eraseToAnyPublisher()
-                }
-            }
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Middlewares/XMPPMiddleware.swift

@@ -1,160 +0,0 @@
-import Combine
-import Foundation
-import Martin
-
-final class XMPPMiddleware {
-    static let shared = XMPPMiddleware()
-    private let service = XMPPService(manager: Database.shared)
-    private var cancellables: Set<AnyCancellable> = []
-    private var uploadingMessageIDs = ThreadSafeSet<String>()
-
-    private init() {
-        service.clientState.sink { client, state in
-            let jid = client.userBareJid.stringValue
-            let status = ConnectionStatus.from(state)
-            let action = AppAction.xmppAction(.clientConnectionChanged(jid: jid, state: status))
-            DispatchQueue.main.async {
-                store.dispatch(action)
-            }
-        }
-        .store(in: &cancellables)
-
-        service.clientMessages.sink { _, martinMessage in
-            guard let message = Message.map(martinMessage) else { return }
-            DispatchQueue.main.async {
-                store.dispatch(.xmppAction(.xmppMessageReceived(message)))
-            }
-        }
-        .store(in: &cancellables)
-
-        service.clientFeatures.sink { client, features in
-            let jid = client.userBareJid.stringValue
-            DispatchQueue.main.async {
-                store.dispatch(.xmppAction(.serverFeaturesLoaded(jid: jid, features: features)))
-            }
-        }
-        .store(in: &cancellables)
-    }
-
-    func middleware(state: AppState, action: AppAction) -> AnyPublisher<AppAction, Never> {
-        switch action {
-        case .accountsAction(.tryAddAccountWithCredentials):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    self?.service.updateClients(for: state.accountsState.accounts)
-                    promise(.success(.info("XMPPMiddleware: clients updated in XMPP service")))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .accountsAction(.addAccountError):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    self?.service.updateClients(for: state.accountsState.accounts)
-                    promise(.success(.info("XMPPMiddleware: clients updated in XMPP service")))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .databaseAction(.storedAccountsLoaded(let accounts)):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    self?.service.updateClients(for: accounts.filter { $0.isActive && !$0.isTemp })
-                    promise(.success(.info("XMPPMiddleware: clients updated in XMPP service")))
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .rostersAction(.addRoster(let ownerJID, let contactJID, let name, let groups)):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    guard let service = self?.service, let client = service.clients.first(where: { $0.connectionConfiguration.userJid.stringValue == ownerJID }) else {
-                        return promise(.success(.rostersAction(.addRosterError(reason: XMPPError.item_not_found.localizedDescription))))
-                    }
-                    let module = client.modulesManager.module(RosterModule.self)
-                    module.addItem(jid: JID(contactJID), name: name, groups: groups, completionHandler: { result in
-                        switch result {
-                        case .success:
-                            promise(.success(.rostersAction(.addRosterDone(jid: contactJID))))
-
-                        case .failure(let error):
-                            promise(.success(.rostersAction(.addRosterError(reason: error.localizedDescription))))
-                        }
-                    })
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .rostersAction(.deleteRoster(let ownerJID, let contactJID)):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    guard let service = self?.service, let client = service.clients.first(where: { $0.connectionConfiguration.userJid.stringValue == ownerJID }) else {
-                        return promise(.success(.rostersAction(.rosterDeletingFailed(reason: XMPPError.item_not_found.localizedDescription))))
-                    }
-                    let module = client.modulesManager.module(RosterModule.self)
-                    module.removeItem(jid: JID(contactJID), completionHandler: { result in
-                        switch result {
-                        case .success:
-                            promise(.success(.info("XMPPMiddleware: roster \(contactJID) deleted from \(ownerJID)")))
-
-                        case .failure(let error):
-                            promise(.success(.rostersAction(.rosterDeletingFailed(reason: error.localizedDescription))))
-                        }
-                    })
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppMessageSent(let message)):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    DispatchQueue.global().async {
-                        self?.service.sendMessage(message: message) { done in
-                            if done {
-                                promise(.success(.xmppAction(.xmppMessageSendSuccess(msgId: message.id))))
-                            } else {
-                                promise(.success(.xmppAction(.xmppMessageSendFailed(msgId: message.id))))
-                            }
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppSharingTryUpload(let message)):
-            return Deferred {
-                Future<AppAction, Never> { [weak self] promise in
-                    if self?.uploadingMessageIDs.contains(message.id) ?? false {
-                        return promise(.success(.info("XMPPMiddleware: attachment in message \(message.id) is already in uploading process")))
-                    } else {
-                        self?.uploadingMessageIDs.insert(message.id)
-                        DispatchQueue.global().async {
-                            self?.service.uploadAttachment(message: message) { error, remotePath in
-                                self?.uploadingMessageIDs.remove(message.id)
-                                if let error {
-                                    promise(.success(.xmppAction(.xmppSharingUploadFailed(msgId: message.id, reason: error.localizedDescription))))
-                                } else {
-                                    promise(.success(.xmppAction(.xmppSharingUploadSuccess(msgId: message.id, attachmentRemotePath: remotePath))))
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-            .eraseToAnyPublisher()
-
-        case .xmppAction(.xmppLoadArchivedMessages(let jid, let to, let fromDate)):
-            return Empty().eraseToAnyPublisher()
-            // return Deferred {
-            //     Future<AppAction, Never> { [weak self] promise in
-            //         self?.service.requestArchivedMessages(jid: jid, to: to, fromDate: fromDate)
-            //         promise(.success(.conversationAction(.setArchivedMessagesRequested)))
-            //     }
-            // }
-            // .eraseToAnyPublisher()
-
-        default:
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-}

ConversationsClassic/AppCore/Models/Account.swift

@@ -1,22 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-import SwiftUI
-
-// MARK: - Account
-struct Account: DBStorable {
-    var bareJid: String
-    var pass: String
-    var isActive: Bool
-    var isTemp: Bool // account which is added by user, but not yet logged in
-    var id: String { bareJid }
-}
-
-extension Account: UniversalInputSelectionElement {
-    var text: String? { bareJid }
-    var icon: Image? { nil }
-}
-
-extension Account {
-    static let databaseTableName = "accounts"
-}

ConversationsClassic/AppCore/Models/Channel.swift

@@ -1,15 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-import SwiftUI
-
-// MARK: - Account
-struct Channel: DBStorable {
-    var id: String
-    var account: String
-    var channel: String
-}
-
-extension Channel {
-    static let channelTableName = "channels"
-}

ConversationsClassic/AppCore/Models/Chat.swift

@@ -1,19 +0,0 @@
-import Foundation
-import GRDB
-
-enum ConversationType: Int, Codable, DatabaseValueConvertible {
-    case chat = 0
-    case room = 1
-    case channel = 2
-}
-
-struct Chat: DBStorable {
-    static let databaseTableName = "chats"
-
-    var id: String
-    var account: String
-    var participant: String
-    var type: ConversationType
-}
-
-extension Chat: Equatable {}

ConversationsClassic/AppCore/Models/ConnectionStatus.swift

@@ -1,27 +0,0 @@
-// This struct is simpliest variant of Martin's Client State.
-// Just for more comfortable using in App State
-import Foundation
-import Martin
-
-enum ConnectionStatus: Stateable {
-    case connecting
-    case connected(resumed: Bool = false)
-    case disconnecting
-    case disconnected(reason: String)
-
-    static func from(_ state: XMPPClient.State) -> ConnectionStatus {
-        switch state {
-        case .connecting:
-            return .connecting
-
-        case .connected(let resumed):
-            return .connected(resumed: resumed)
-
-        case .disconnecting:
-            return .disconnecting
-
-        case .disconnected(let reason):
-            return .disconnected(reason: reason.localizedDescription)
-        }
-    }
-}

ConversationsClassic/AppCore/Models/Message.swift

@@ -1,128 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-
-enum MessageType: String, Codable, DatabaseValueConvertible {
-    case chat
-    case groupchat
-    case error
-}
-
-enum MessageAttachmentType: Int, Stateable, DatabaseValueConvertible {
-    case movie = 0
-    case image = 1
-    case audio = 2
-    case file = 3
-}
-
-enum MessageContentType: String, Codable, DatabaseValueConvertible {
-    case text
-    case typing
-    case invite
-    case attachment
-}
-
-struct Message: DBStorable, Equatable {
-    static let databaseTableName = "messages"
-
-    let id: String
-    let type: MessageType
-    let contentType: MessageContentType
-
-    let from: String
-    let to: String?
-
-    let body: String?
-    let subject: String?
-    let thread: String?
-    let oobUrl: String?
-
-    let date: Date
-    let pending: Bool
-    let sentError: Bool
-
-    var attachmentType: MessageAttachmentType?
-    var attachmentLocalName: String?
-    var attachmentRemotePath: URL?
-    var attachmentThumbnailName: String?
-    var attachmentDownloadFailed: Bool = false
-}
-
-extension Message {
-    // Universal mapping from Martin's Message to App Message
-    static func map(_ martinMessage: Martin.Message) -> Message? {
-        #if DEBUG
-            print("---")
-            print("Message received: \(martinMessage)")
-            print("---")
-        #endif
-
-        // Check that the message type is supported
-        let chatTypes: [StanzaType] = [.chat, .groupchat]
-        guard let mType = martinMessage.type, chatTypes.contains(mType) else {
-            #if DEBUG
-                print("Unsupported message type: \(martinMessage.type?.rawValue ?? "nil")")
-            #endif
-            return nil
-        }
-
-        // Type
-        let type = MessageType(rawValue: martinMessage.type?.rawValue ?? "") ?? .chat
-
-        // Content type
-        var contentType: MessageContentType = .text
-        if martinMessage.oob != nil {
-            contentType = .attachment
-        } else if martinMessage.hints.contains(.noStore) {
-            contentType = .typing
-        }
-
-        // From/To
-        let from = martinMessage.from?.bareJid.stringValue ?? ""
-        let to = martinMessage.to?.bareJid.stringValue
-
-        // Extract date or set current
-        var date = Date()
-        if let timestampStr = martinMessage.attribute("archived_date"), let timeInterval = TimeInterval(timestampStr) {
-            date = Date(timeIntervalSince1970: timeInterval)
-        }
-
-        // Msg
-        var msg = Message(
-            id: martinMessage.id ?? UUID().uuidString,
-            type: type,
-            contentType: contentType,
-            from: from,
-            to: to,
-            body: martinMessage.body,
-            subject: martinMessage.subject,
-            thread: martinMessage.thread,
-            oobUrl: martinMessage.oob,
-            date: date,
-            pending: false,
-            sentError: false,
-            attachmentType: nil,
-            attachmentLocalName: nil,
-            attachmentRemotePath: nil,
-            attachmentThumbnailName: nil,
-            attachmentDownloadFailed: false
-        )
-        if let oob = martinMessage.oob {
-            msg.attachmentType = oob.attachmentType
-            msg.attachmentRemotePath = URL(string: oob)
-        }
-        return msg
-    }
-}
-
-extension Message {
-    var attachmentLocalPath: URL? {
-        guard let attachmentLocalName = attachmentLocalName else { return nil }
-        return FileProcessing.fileFolder.appendingPathComponent(attachmentLocalName)
-    }
-
-    var attachmentThumbnailPath: URL? {
-        guard let attachmentThumbnailName = attachmentThumbnailName else { return nil }
-        return FileProcessing.fileFolder.appendingPathComponent(attachmentThumbnailName)
-    }
-}

ConversationsClassic/AppCore/Models/Room.swift

@@ -1,16 +0,0 @@
-import Foundation
-import GRDB
-import Martin
-import SwiftUI
-
-// MARK: - Account
-struct Room: DBStorable {
-    var id: String
-    var account: String
-    var nickname: String
-    var password: String?
-}
-
-extension Room {
-    static let roomTableName = "rooms"
-}

ConversationsClassic/AppCore/Models/ServerFeature.swift

@@ -1,10 +0,0 @@
-import Foundation
-
-struct ServerFeature: Stateable, Identifiable {
-    let xep: String
-    let name: String
-    let xmppId: String?
-    let description: String?
-
-    var id: String { xep }
-}

ConversationsClassic/AppCore/Reducers/AccountsReducer.swift

@@ -1,25 +0,0 @@
-extension AccountsState {
-    static func reducer(state: inout AccountsState, action: AccountsAction) {
-        switch action {
-        case .accountsListUpdated(let accounts):
-            state.accounts = accounts
-
-        case .goTo(let navigation):
-            state.navigation = navigation
-
-        case .tryAddAccountWithCredentials(let login, let password):
-            let account = Account(bareJid: login, pass: password, isActive: true, isTemp: true)
-            state.accounts.append(account)
-
-        case .addAccountError(let jid, let reason):
-            state.accounts = state.accounts.filter { $0.bareJid != jid }
-            state.addAccountError = reason
-
-        case .clientServerFeaturesUpdated(let jid, let features):
-            state.discoFeatures[jid] = features
-
-        default:
-            break
-        }
-    }
-}

ConversationsClassic/AppCore/Reducers/AppReducer.swift

@@ -1,35 +0,0 @@
-import Foundation
-
-extension AppState {
-    static func reducer(state: inout AppState, action: AppAction) {
-        switch action {
-        case .flushState:
-            state = AppState()
-
-        case .changeFlow(let flow):
-            state.previousFlow = state.currentFlow
-            state.currentFlow = flow
-
-        case .startAction(let action):
-            StartState.reducer(state: &state.startState, action: action)
-
-        case .databaseAction, .xmppAction, .fileAction, .info:
-            break // this actions are processed by other middlewares
-
-        case .accountsAction(let action):
-            AccountsState.reducer(state: &state.accountsState, action: action)
-
-        case .rostersAction(let action):
-            RostersState.reducer(state: &state.rostersState, action: action)
-
-        case .chatsAction(let action):
-            ChatsState.reducer(state: &state.chatsState, action: action)
-
-        case .conversationAction(let action):
-            ConversationState.reducer(state: &state.conversationsState, action: action)
-
-        case .sharingAction(let action):
-            SharingState.reducer(state: &state.sharingState, action: action)
-        }
-    }
-}

ConversationsClassic/AppCore/Reducers/ChatsReducer.swift

@@ -1,14 +0,0 @@
-extension ChatsState {
-    static func reducer(state: inout ChatsState, action: ChatsAction) {
-        switch action {
-        case .chatsListUpdated(let chats):
-            state.chats = chats
-
-        case .chatStarted(let chat):
-            state.currentChat = chat
-
-        default:
-            break
-        }
-    }
-}

ConversationsClassic/AppCore/Reducers/ConversationReducer.swift

@@ -1,24 +0,0 @@
-import SwiftUI
-
-extension ConversationState {
-    static func reducer(state: inout ConversationState, action: ConversationAction) {
-        switch action {
-        case .makeConversationActive(let chat, let roster):
-            state.currentChat = chat
-            state.currentRoster = roster
-
-        case .messagesUpdated(let messages):
-            state.currentMessages = messages
-
-        case .setReplyText(let text):
-            if text.isEmpty {
-                state.replyText = ""
-            } else {
-                state.replyText = text.makeReply
-            }
-
-        default:
-            break
-        }
-    }
-}

ConversationsClassic/AppCore/Reducers/RostersReducer.swift

@@ -1,25 +0,0 @@
-extension RostersState {
-    static func reducer(state: inout RostersState, action: RostersAction) {
-        switch action {
-        case .addRosterDone(let jid):
-            state.newAddedRosterJid = jid
-            state.newAddedRosterError = nil
-
-        case .addRosterError(let reason):
-            state.newAddedRosterJid = nil
-            state.newAddedRosterError = reason
-
-        case .rostersListUpdated(let rosters):
-            state.rosters = rosters
-
-        case .markRosterAsLocallyDeleted, .deleteRoster:
-            state.deleteRosterError = nil
-
-        case .rosterDeletingFailed(let reson):
-            state.deleteRosterError = reson
-
-        default:
-            break
-        }
-    }
-}

ConversationsClassic/AppCore/Reducers/SharingReducer.swift

@@ -1,22 +0,0 @@
-import Foundation
-
-extension SharingState {
-    static func reducer(state: inout SharingState, action: SharingAction) {
-        switch action {
-        case .showSharing(let shown):
-            state.sharingShown = shown
-
-        case .setCameraAccess(let granted):
-            state.isCameraAccessGranted = granted
-
-        case .setGalleryAccess(let granted):
-            state.isGalleryAccessGranted = granted
-
-        case .galleryItemsUpdated(let items):
-            state.galleryItems = items
-
-        default:
-            break
-        }
-    }
-}

ConversationsClassic/AppCore/Reducers/StartReducer.swift

@@ -1,11 +0,0 @@
-extension StartState {
-    static func reducer(state: inout StartState, action: StartAction) {
-        switch action {
-        case .loadStoredAccounts:
-            break
-
-        case .goTo(let navigation):
-            state.navigation = navigation
-        }
-    }
-}

ConversationsClassic/AppCore/State/AccountsState.swift

@@ -1,20 +0,0 @@
-enum AccountNavigationState: Stateable {
-    case addAccount
-}
-
-struct AccountsState: Stateable {
-    var navigation: AccountNavigationState
-    var accounts: [Account]
-    var discoFeatures: [String: [ServerFeature]]
-
-    var addAccountError: String?
-}
-
-// MARK: Init
-extension AccountsState {
-    init() {
-        navigation = .addAccount
-        accounts = []
-        discoFeatures = [:]
-    }
-}

ConversationsClassic/AppCore/State/AppState.swift

@@ -1,39 +0,0 @@
-import Foundation
-
-enum AppFlow: Codable {
-    case start
-    case accounts
-    case chats
-    case contacts
-    case settings
-    case conversation
-}
-
-struct AppState: Stateable {
-    var appVersion: String
-    var previousFlow: AppFlow
-    var currentFlow: AppFlow
-
-    var startState: StartState
-    var accountsState: AccountsState
-    var rostersState: RostersState
-    var chatsState: ChatsState
-    var conversationsState: ConversationState
-    var sharingState: SharingState
-}
-
-// MARK: Init
-extension AppState {
-    init() {
-        appVersion = Const.appVersion
-        previousFlow = .start
-        currentFlow = .start
-
-        startState = StartState()
-        accountsState = AccountsState()
-        rostersState = RostersState()
-        chatsState = ChatsState()
-        conversationsState = ConversationState()
-        sharingState = SharingState()
-    }
-}

ConversationsClassic/AppCore/State/ChatsState.swift

@@ -1,11 +0,0 @@
-struct ChatsState: Stateable {
-    var chats: [Chat]
-    var currentChat: Chat?
-}
-
-// MARK: Init
-extension ChatsState {
-    init() {
-        chats = []
-    }
-}

ConversationsClassic/AppCore/State/ConversationState.swift

@@ -1,15 +0,0 @@
-struct ConversationState: Stateable {
-    var currentChat: Chat?
-    var currentRoster: Roster?
-    var currentMessages: [Message]
-
-    var replyText: String
-}
-
-// MARK: Init
-extension ConversationState {
-    init() {
-        currentMessages = []
-        replyText = ""
-    }
-}

ConversationsClassic/AppCore/State/RostersState.swift

@@ -1,15 +0,0 @@
-struct RostersState: Stateable {
-    var rosters: [Roster]
-
-    var newAddedRosterJid: String?
-    var newAddedRosterError: String?
-
-    var deleteRosterError: String?
-}
-
-// MARK: Init
-extension RostersState {
-    init() {
-        rosters = []
-    }
-}

ConversationsClassic/AppCore/State/SharingState.swift

@@ -1,32 +0,0 @@
-import Foundation
-
-enum SharingCameraMediaType: Stateable {
-    case video
-    case photo
-}
-
-struct SharingGalleryItem: Stateable, Identifiable {
-    var id: String
-    var type: SharingCameraMediaType
-    var thumbnail: Data?
-    var duration: String?
-}
-
-struct SharingState: Stateable {
-    var sharingShown: Bool
-    var isCameraAccessGranted: Bool
-    var isGalleryAccessGranted: Bool
-
-    var galleryItems: [SharingGalleryItem]
-}
-
-// MARK: Init
-extension SharingState {
-    init() {
-        sharingShown = false
-        isCameraAccessGranted = false
-        isGalleryAccessGranted = false
-
-        galleryItems = []
-    }
-}

ConversationsClassic/AppCore/State/StartState.swift

@@ -1,15 +0,0 @@
-enum StartNavigationState: Stateable {
-    case startScreen
-    case welcomeScreen
-}
-
-struct StartState: Stateable {
-    var navigation: StartNavigationState
-}
-
-// MARK: Init
-extension StartState {
-    init() {
-        navigation = .startScreen
-    }
-}

ConversationsClassic/AppCore/XMPP/XMPPService.swift

@@ -1,266 +0,0 @@
-import Combine
-import Foundation
-import GRDB
-import Martin
-
-protocol MartinsManager: Martin.RosterManager & Martin.ChatManager & Martin.ChannelManager & Martin.RoomManager {}
-
-final class XMPPService: ObservableObject {
-    private let manager: MartinsManager
-
-    private let clientStatePublisher = PassthroughSubject<(XMPPClient, XMPPClient.State), Never>()
-    private var clientStateCancellables: Set<AnyCancellable> = []
-
-    private let clientMessagesPublisher = PassthroughSubject<(XMPPClient, Martin.Message), Never>()
-    private var clientMessagesCancellables: Set<AnyCancellable> = []
-
-    private let clientFeaturesPublisher = PassthroughSubject<(XMPPClient, [String]), Never>()
-    private var clientFeaturesCancellables: Set<AnyCancellable> = []
-
-    @Published private(set) var clients: [XMPPClient] = []
-    var clientState: AnyPublisher<(XMPPClient, XMPPClient.State), Never> {
-        clientStatePublisher.eraseToAnyPublisher()
-    }
-
-    var clientMessages: AnyPublisher<(XMPPClient, Martin.Message), Never> {
-        clientMessagesPublisher.eraseToAnyPublisher()
-    }
-
-    var clientFeatures: AnyPublisher<(XMPPClient, [String]), Never> {
-        clientFeaturesPublisher.eraseToAnyPublisher()
-    }
-
-    init(manager: MartinsManager) {
-        self.manager = manager
-    }
-
-    func updateClients(for accounts: [Account]) {
-        // get simple diff
-        let forAdd = accounts
-            .filter { !self.clients.map { $0.connectionConfiguration.userJid.stringValue }.contains($0.bareJid) }
-        let forRemove = clients
-            .map { $0.connectionConfiguration.userJid.stringValue }
-            .filter { !accounts.map { $0.bareJid }.contains($0) }
-
-        // init and add clients
-        for account in forAdd {
-            // add client
-            let client = makeClient(for: account, with: manager)
-            clients.append(client)
-
-            // subscribe to client state
-            client.$state
-                .sink { [weak self] state in
-                    self?.clientStatePublisher.send((client, state))
-                }
-                .store(in: &clientStateCancellables)
-
-            // subscribe to client server features
-            client.module(DiscoveryModule.self).$serverDiscoResult
-                .sink { [weak self] disco in
-                    self?.clientFeaturesPublisher.send((client, disco.features))
-                }
-                .store(in: &clientFeaturesCancellables)
-
-            // subscribe to client messages
-            client.module(MessageModule.self).messagesPublisher
-                .sink { [weak self] message in
-                    self?.clientMessagesPublisher.send((client, message.message))
-                }
-                .store(in: &clientMessagesCancellables)
-
-            // subscribe to carbons
-            client.module(MessageCarbonsModule.self).carbonsPublisher
-                .sink { [weak self] carbon in
-                    self?.clientMessagesPublisher.send((client, carbon.message))
-                }
-                .store(in: &clientMessagesCancellables)
-
-            // subscribe to archived messages
-            // client.module(.mam).archivedMessagesPublisher
-            //     .sink(receiveValue: { [weak self] archived in
-            //         let message = archived.message
-            //         message.attribute("archived_date", newValue: "\(archived.timestamp.timeIntervalSince1970)")
-            //         self?.clientMessagesPublisher.send((client, message))
-            //     })
-            //     .store(in: &clientMessagesCancellables)
-
-            // enable carbons if available
-            client.module(.messageCarbons).$isAvailable.filter { $0 }
-                .sink(receiveValue: { [weak client] _ in
-                    client?.module(.messageCarbons).enable()
-                })
-                .store(in: &clientMessagesCancellables)
-
-            // finally, do login
-            client.login()
-        }
-
-        // remove clients
-        for jid in forRemove {
-            deinitClient(jid: jid)
-        }
-    }
-
-    private func makeClient(for account: Account, with manager: MartinsManager) -> XMPPClient {
-        let client = XMPPClient()
-
-        // register modules
-        // core modules RFC 6120
-        client.modulesManager.register(StreamFeaturesModule())
-        client.modulesManager.register(SaslModule())
-        client.modulesManager.register(AuthModule())
-        client.modulesManager.register(SessionEstablishmentModule())
-        client.modulesManager.register(ResourceBinderModule())
-        client.modulesManager.register(DiscoveryModule(identity: .init(category: "client", type: "iOS", name: Const.appName)))
-
-        // messaging modules RFC 6121
-        client.modulesManager.register(RosterModule(rosterManager: manager))
-        client.modulesManager.register(PresenceModule())
-
-        client.modulesManager.register(PubSubModule())
-        client.modulesManager.register(MessageModule(chatManager: manager))
-        client.modulesManager.register(MessageArchiveManagementModule())
-
-        client.modulesManager.register(MessageCarbonsModule())
-
-        // file transfer modules
-        client.modulesManager.register(HttpFileUploadModule())
-
-        // extensions
-        client.modulesManager.register(SoftwareVersionModule())
-        client.modulesManager.register(PingModule())
-        client.connectionConfiguration.userJid = .init(account.bareJid)
-        client.connectionConfiguration.credentials = .password(password: account.pass)
-
-        // group chats
-        client.modulesManager.register(MucModule(roomManager: manager))
-
-        // channels
-        // client.modulesManager.register(MixModule(channelManager: manager))
-
-        // add client to clients
-        return client
-    }
-
-    func deinitClient(jid: String) {
-        if let index = clients.firstIndex(where: { $0.connectionConfiguration.userJid.stringValue == jid }) {
-            let client = clients.remove(at: index)
-            _ = client.disconnect()
-        }
-    }
-
-    func getClient(for jid: String) -> XMPPClient? {
-        clients.first { $0.connectionConfiguration.userJid.stringValue == jid }
-    }
-
-    func sendMessage(message: Message, completion: @escaping (Bool) -> Void) {
-        guard let client = getClient(for: message.from), let to = message.to else {
-            completion(false)
-            return
-        }
-        guard let chat = client.module(MessageModule.self).chatManager.chat(for: client.context, with: BareJID(to)) else {
-            completion(false)
-            return
-        }
-
-        let msg = chat.createMessage(text: message.body ?? "??", id: message.id)
-        chat.send(message: msg) { res in
-            switch res {
-            case .success:
-                completion(true)
-
-            case .failure:
-                completion(false)
-            }
-        }
-    }
-
-    func uploadAttachment(message: Message, completion: @escaping (Error?, String) -> Void) {
-        guard let client = getClient(for: message.from), let to = message.to else {
-            completion(XMPPError.bad_request("No such client"), "")
-            return
-        }
-        guard let fileName = message.attachmentLocalName else {
-            completion(XMPPError.bad_request("No such file"), "")
-            return
-        }
-        let url = FileProcessing.fileFolder.appendingPathComponent(fileName)
-        guard let data = try? Data(contentsOf: url) else {
-            completion(XMPPError.bad_request("No such file"), "")
-            return
-        }
-        guard let chat = client.module(MessageModule.self).chatManager.chat(for: client.context, with: BareJID(to)) else {
-            completion(XMPPError.bad_request("No such chat"), "")
-            return
-        }
-
-        let httpModule = client.module(HttpFileUploadModule.self)
-        httpModule.findHttpUploadComponent { res in
-            switch res {
-            case .success(let components):
-                guard let component = components.first(where: { $0.maxSize > data.count }) else {
-                    completion(XMPPError.bad_request("File too big"), "")
-                    return
-                }
-                httpModule.requestUploadSlot(componentJid: component.jid, filename: fileName, size: data.count, contentType: url.mimeType) { res in
-                    switch res {
-                    case .success(let slot):
-                        var request = URLRequest(url: slot.putUri)
-                        for (key, value) in slot.putHeaders {
-                            request.addValue(value, forHTTPHeaderField: key)
-                        }
-                        request.httpMethod = "PUT"
-                        request.httpBody = data
-                        request.addValue(String(data.count), forHTTPHeaderField: "Content-Length")
-                        request.addValue(url.mimeType, forHTTPHeaderField: "Content-Type")
-                        let session = URLSession(configuration: URLSessionConfiguration.default)
-                        session.dataTask(with: request) { _, response, error in
-                            let code = (response as? HTTPURLResponse)?.statusCode ?? 500
-                            guard error == nil, code == 200 || code == 201 else {
-                                completion(XMPPError.bad_request("Upload failed"), "")
-                                return
-                            }
-                            if code == 200 {
-                                completion(XMPPError.bad_request("Invalid response code"), "")
-                            } else {
-                                let mesg = chat.createMessage(text: slot.getUri.absoluteString, id: message.id)
-                                mesg.oob = slot.getUri.absoluteString
-                                chat.send(message: mesg) { res in
-                                    switch res {
-                                    case .success:
-                                        completion(nil, slot.getUri.absoluteString)
-
-                                    case .failure:
-                                        completion(XMPPError.bad_request("File uploaded, but message sent failed"), slot.getUri.absoluteString)
-                                    }
-                                }
-                            }
-                        }.resume()
-
-                    case .failure(let error):
-                        completion(error, "")
-                    }
-                }
-
-            case .failure(let error):
-                completion(error, "")
-            }
-        }
-    }
-
-    func requestArchivedMessages(jid: String, to: String?, fromDate: Date) {
-        guard let client = getClient(for: jid) else {
-            return
-        }
-        client.module(.mam).queryItems(componentJid: JID(jid), with: JID(to), start: fromDate, end: Date(), queryId: UUID().uuidString) { result in
-            switch result {
-            case .success(let response):
-                print("MAM response: \(response)")
-
-            case .failure(let error):
-                print("MAM error: \(error)")
-            }
-        }
-    }
-}

ConversationsClassic/AppData/AppError.swift

@@ -0,0 +1,11 @@
+enum AppError: Error {
+    case clientNotFound
+    case rosterNotFound
+    case imageNotFound
+    case videoNotFound
+    case noData
+    case fileTooBig
+    case invalidContentType
+    case invalidLocalName
+    case featureNotSupported
+}

ConversationsClassic/AppData/Client/Client+MartinCarbons.swift

@@ -0,0 +1,47 @@
+import Combine
+import Foundation
+import GRDB
+import Martin
+
+final class ClientMartinCarbonsManager {
+    private var cancellables: Set<AnyCancellable> = []
+
+    init(_ xmppConnection: XMPPClient) {
+        // subscribe to carbons
+        xmppConnection.module(MessageCarbonsModule.self).carbonsPublisher
+            .sink { [weak self] carbon in
+                self?.handleMessage(carbon)
+            }
+            .store(in: &cancellables)
+
+        // enable carbons if available
+        xmppConnection.module(.messageCarbons).$isAvailable.filter { $0 }
+            .sink(receiveValue: { [weak xmppConnection] _ in
+                xmppConnection?.module(.messageCarbons).enable()
+            })
+            .store(in: &cancellables)
+    }
+
+    private func handleMessage(_ received: Martin.MessageCarbonsModule.CarbonReceived) {
+        let message = received.message
+        let action = received.action
+        let onJid = received.jid
+        #if DEBUG
+            print("---")
+            print("Carbons message received: \(message)")
+            print("Action: \(action)")
+            print("On JID: \(onJid)")
+            print("---")
+        #endif
+
+        if let msg = Message.map(message, context: nil) {
+            Task {
+                do {
+                    try await msg.save()
+                } catch {
+                    logIt(.error, "Error saving message: \(error)")
+                }
+            }
+        }
+    }
+}

ConversationsClassic/AppData/Client/Client+MartinChats.swift

@@ -2,10 +2,10 @@ import Foundation
 import GRDB
 import Martin
 
-extension Database: Martin.ChatManager {
+final class ClientMartinChatsManager: Martin.ChatManager {
     func chats(for context: Martin.Context) -> [any Martin.ChatProtocol] {
         do {
-            let chats: [Chat] = try _db.read { db in
+            let chats: [Chat] = try Database.shared.dbQueue.read { db in
                 try Chat.filter(Column("account") == context.userBareJid.stringValue).fetchAll(db)
             }
             return chats.map { chat in
@@ -19,7 +19,7 @@ extension Database: Martin.ChatManager {
 
     func chat(for context: Martin.Context, with: Martin.BareJID) -> (any Martin.ChatProtocol)? {
         do {
-            let chat: Chat? = try _db.read { db in
+            let chat: Chat? = try Database.shared.dbQueue.read { db in
                 try Chat
                     .filter(Column("account") == context.userBareJid.stringValue)
                     .filter(Column("participant") == with.stringValue)
@@ -38,7 +38,7 @@ extension Database: Martin.ChatManager {
 
     func createChat(for context: Martin.Context, with: Martin.BareJID) -> (any Martin.ChatProtocol)? {
         do {
-            let chat: Chat? = try _db.read { db in
+            let chat: Chat? = try Database.shared.dbQueue.read { db in
                 try Chat
                     .filter(Column("account") == context.userBareJid.stringValue)
                     .filter(Column("participant") == with.stringValue)
@@ -53,7 +53,7 @@ extension Database: Martin.ChatManager {
                     participant: with.stringValue,
                     type: .chat
                 )
-                try _db.write { db in
+                try Database.shared.dbQueue.write { db in
                     try chat.save(db)
                 }
                 return Martin.ChatBase(context: context, jid: with)
@@ -69,4 +69,7 @@ extension Database: Martin.ChatManager {
         print("Closing chat: \(chat)")
         return false
     }
+
+    func initialize(context _: Martin.Context) {}
+    func deinitialize(context _: Martin.Context) {}
 }

ConversationsClassic/AppData/Client/Client+MartinDisco.swift

@@ -0,0 +1,23 @@
+import Combine
+import Foundation
+import GRDB
+import Martin
+
+final class ClientMartinDiscoManager {
+    private(set) var features: [ServerFeature] = []
+    private var cancellables: Set<AnyCancellable> = []
+
+    init(_ xmppConnection: XMPPClient) {
+        // subscribe to client server features
+        xmppConnection.module(DiscoveryModule.self).$serverDiscoResult
+            .sink { [weak self] disco in
+                let allFeatures = ServerFeature.allFeatures
+                let features = disco.features
+                    .compactMap { featureId in
+                        allFeatures.first(where: { $0.xmppId == featureId })
+                    }
+                self?.features = features
+            }
+            .store(in: &cancellables)
+    }
+}

ConversationsClassic/AppData/Client/Client+MartinMAM.swift

@@ -0,0 +1,79 @@
+import Combine
+import Foundation
+import GRDB
+import Martin
+
+private typealias ArchMsg = Martin.MessageArchiveManagementModule.ArchivedMessageReceived
+
+final class ClientMartinMAM {
+    private var cancellables: Set<AnyCancellable> = []
+    private var processor = ArchiveMessageProcessor()
+
+    init(_ xmppConnection: XMPPClient) {
+        // subscribe to archived messages
+        xmppConnection.module(.mam).archivedMessagesPublisher
+            .sink(receiveValue: { [weak self] archived in
+                guard let self = self else { return }
+                Task {
+                    await self.processor.append(archived)
+                }
+            })
+            .store(in: &cancellables)
+    }
+}
+
+private actor ArchiveMessageProcessor {
+    private var accumulator: [ArchMsg] = []
+
+    init() {
+        Task {
+            while true {
+                try? await Task.sleep(nanoseconds: 700 * NSEC_PER_MSEC)
+                await process()
+            }
+        }
+    }
+
+    func append(_ msg: ArchMsg) async {
+        accumulator.append(msg)
+        if accumulator.count >= Const.mamRequestPageSize {
+            await process()
+        }
+    }
+
+    func process() async {
+        if accumulator.isEmpty { return }
+        await handleMessages(accumulator)
+        accumulator.removeAll()
+    }
+
+    private func handleMessages(_ received: [ArchMsg]) async {
+        if received.isEmpty { return }
+        try? await Database.shared.dbQueue.write { db in
+            for recv in received {
+                let message = recv.message
+                let date = recv.timestamp
+                if let msgId = message.id {
+                    if try Message.fetchOne(db, key: msgId) != nil {
+                        #if DEBUG
+                            print("---")
+                            print("Skipping archived message with id \(msgId) (message exists)")
+                            print("---")
+                        #endif
+                    } else {
+                        #if DEBUG
+                            print("---")
+                            print("Archive message received: \(message)")
+                            print("Date: \(date)")
+                            print("---")
+                        #endif
+                        if var msg = Message.map(message, context: nil) {
+                            msg.date = date
+                            try msg.insert(db)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

ConversationsClassic/AppData/Client/Client+MartinMessages.swift

@@ -0,0 +1,38 @@
+import Combine
+import Foundation
+import GRDB
+import Martin
+
+final class ClientMartinMessagesManager {
+    private var cancellables: Set<AnyCancellable> = []
+
+    init(_ xmppConnection: XMPPClient) {
+        xmppConnection.module(MessageModule.self).messagesPublisher
+            .sink { [weak self] message in
+                self?.handleMessage(message)
+            }
+            .store(in: &cancellables)
+    }
+
+    private func handleMessage(_ received: Martin.MessageModule.MessageReceived) {
+        let message = received.message
+        let chat = received.chat
+        #if DEBUG
+            print("---")
+            print("Message received: \(received)")
+            print("Chat: \(chat)")
+            print("---")
+        #endif
+
+        // Process image
+        if let msg = Message.map(message, context: chat.context) {
+            Task {
+                do {
+                    try await msg.save()
+                } catch {
+                    logIt(.error, "Error saving message: \(error)")
+                }
+            }
+        }
+    }
+}

ConversationsClassic/AppData/Client/Client+MartinOMEMO.swift

@@ -0,0 +1,375 @@
+import Foundation
+import GRDB
+import Martin
+import MartinOMEMO
+
+final class ClientMartinOMEMO {
+    let credentials: Credentials
+
+    init(_ credentials: Credentials) {
+        self.credentials = credentials
+    }
+
+    var signal: (SignalStorage, SignalContext) {
+        let signalStorage = SignalStorage(sessionStore: self, preKeyStore: self, signedPreKeyStore: self, identityKeyStore: self, senderKeyStore: self)
+        // swiftlint:disable:next force_unwrapping
+        let signalContext = SignalContext(withStorage: signalStorage)!
+        signalStorage.setup(withContext: signalContext)
+
+        _ = regenerateKeys(wipe: false, context: signalContext)
+
+        return (signalStorage, signalContext)
+    }
+
+    private func regenerateKeys(wipe: Bool = false, context: SignalContext) -> Bool {
+        if wipe {
+            OMEMOSession.wipe(account: credentials.bareJid)
+            OMEMOPreKey.wipe(account: credentials.bareJid)
+            OMEMOSignedPreKey.wipe(account: credentials.bareJid)
+            OMEMOIdentity.wipe(account: credentials.bareJid)
+            Settings.getFor(credentials.bareJid)?.wipeOmemoRegId()
+        }
+
+        let hasKeyPair = keyPair() != nil
+        if wipe || localRegistrationId() == 0 || !hasKeyPair {
+            let regId = context.generateRegistrationId()
+            let address = SignalAddress(name: credentials.bareJid, deviceId: Int32(regId))
+
+            if var settings = Settings.getFor(credentials.bareJid) {
+                settings.omemoRegId = Int(regId)
+                settings.save()
+            } else {
+                Settings(bareJid: credentials.bareJid, omemoRegId: Int(regId)).save()
+            }
+
+            guard let keyPair = SignalIdentityKeyPair.generateKeyPair(context: context), let publicKey = keyPair.publicKey else {
+                return false
+            }
+            let fingerprint = publicKey.map { byte -> String in
+                String(format: "%02x", byte)
+            }.joined()
+
+            return save(address: address, fingerprint: fingerprint, own: true, data: keyPair.serialized())
+        }
+        return true
+    }
+
+    private func save(address: SignalAddress, fingerprint: String, own: Bool, data: Data) -> Bool {
+        guard !OMEMOIdentity.existsFor(account: credentials.bareJid, name: address.name, fingerprint: fingerprint) else {
+            return false
+        }
+
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOIdentity(
+                    account: credentials.bareJid,
+                    name: address.name,
+                    deviceId: Int(address.deviceId),
+                    fingerprint: fingerprint,
+                    key: data,
+                    own: own,
+                    status: MartinOMEMO.IdentityStatus.trustedActive.rawValue
+                )
+                .insert(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error storing identity key: \(error.localizedDescription)")
+            return false
+        }
+    }
+}
+
+// MARK: - Session
+extension ClientMartinOMEMO: SignalSessionStoreProtocol {
+    func sessionRecord(forAddress address: MartinOMEMO.SignalAddress) -> Data? {
+        if let key = OMEMOSession.keyFor(account: credentials.bareJid, name: address.name, deviceId: address.deviceId) {
+            return Data(base64Encoded: key)
+        } else {
+            return nil
+        }
+    }
+
+    func allDevices(for name: String, activeAndTrusted: Bool) -> [Int32] {
+        activeAndTrusted ?
+            OMEMOSession.trustedDevicesIdsFor(account: credentials.bareJid, name: name) :
+            OMEMOSession.devicesIdsFor(account: credentials.bareJid, name: name)
+    }
+
+    func storeSessionRecord(_ data: Data, forAddress: MartinOMEMO.SignalAddress) -> Bool {
+        do {
+            try Database.shared.dbQueue.write { db in
+                try OMEMOSession(
+                    account: credentials.bareJid,
+                    name: forAddress.name,
+                    deviceId: Int(forAddress.deviceId),
+                    key: data.base64EncodedString()
+                )
+                .insert(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error storing session info: \(error.localizedDescription)")
+            return false
+        }
+    }
+
+    func containsSessionRecord(forAddress: MartinOMEMO.SignalAddress) -> Bool {
+        OMEMOSession.keyFor(account: credentials.bareJid, name: forAddress.name, deviceId: forAddress.deviceId) != nil
+    }
+
+    func deleteSessionRecord(forAddress: MartinOMEMO.SignalAddress) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSession
+                    .filter(Column("account") == credentials.bareJid)
+                    .filter(Column("name") == forAddress.name)
+                    .filter(Column("deviceId") == forAddress.deviceId)
+                    .deleteAll(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error deleting session: \(error.localizedDescription)")
+            return false
+        }
+    }
+
+    func deleteAllSessions(for name: String) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSession
+                    .filter(Column("account") == credentials.bareJid)
+                    .filter(Column("name") == name)
+                    .deleteAll(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error deleting all sessions: \(error.localizedDescription)")
+            return false
+        }
+    }
+
+    func sessionsWipe() {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSession
+                    .filter(Column("account") == credentials.bareJid)
+                    .deleteAll(db)
+            }
+        } catch {
+            logIt(.error, "Error wiping sessions: \(error.localizedDescription)")
+        }
+    }
+}
+
+// MARK: - Identity
+extension ClientMartinOMEMO: SignalIdentityKeyStoreProtocol {
+    func keyPair() -> (any MartinOMEMO.SignalIdentityKeyPairProtocol)? {
+        let deviceId = localRegistrationId()
+        guard deviceId != 0 else {
+            return nil
+        }
+
+        do {
+            let record = try Database.shared.dbQueue.read { db in
+                try OMEMOIdentity
+                    .filter(Column("account") == credentials.bareJid)
+                    .filter(Column("name") == credentials.bareJid)
+                    .filter(Column("deviceId") == deviceId)
+                    .fetchOne(db)
+            }
+            guard let key = record?.key else {
+                return nil
+            }
+            return SignalIdentityKeyPair(fromKeyPairData: key)
+        } catch {
+            return nil
+        }
+    }
+
+    func localRegistrationId() -> UInt32 {
+        if let settings = Settings.getFor(credentials.bareJid) {
+            return UInt32(settings.omemoRegId)
+        } else {
+            return 0
+        }
+    }
+
+    func save(identity: MartinOMEMO.SignalAddress, key: (any MartinOMEMO.SignalIdentityKeyProtocol)?) -> Bool {
+        guard let key = key as SignalIdentityKeyProtocol?, let publicKey = key.publicKey else {
+            return false
+        }
+        let fingerprint = publicKey.map { byte -> String in
+            String(format: "%02x", byte)
+        }.joined()
+
+        defer {
+            _ = self.setStatus(.verifiedActive, forIdentity: identity)
+        }
+
+        return save(address: identity, fingerprint: fingerprint, own: true, data: key.serialized())
+    }
+
+    func save(identity: MartinOMEMO.SignalAddress, publicKeyData: Data?) -> Bool {
+        guard let publicKeyData = publicKeyData else {
+            return false
+        }
+        let fingerprint = publicKeyData.map { byte -> String in
+            String(format: "%02x", byte)
+        }.joined()
+
+        return save(address: identity, fingerprint: fingerprint, own: false, data: publicKeyData)
+    }
+
+    func isTrusted(identity _: MartinOMEMO.SignalAddress, key _: (any MartinOMEMO.SignalIdentityKeyProtocol)?) -> Bool {
+        true
+    }
+
+    func isTrusted(identity _: MartinOMEMO.SignalAddress, publicKeyData _: Data?) -> Bool {
+        true
+    }
+
+    func setStatus(_ status: MartinOMEMO.IdentityStatus, forIdentity: MartinOMEMO.SignalAddress) -> Bool {
+        if let identity = OMEMOIdentity.getFor(account: credentials.bareJid, name: forIdentity.name, deviceId: forIdentity.deviceId) {
+            return identity.updateStatus(status.rawValue)
+        } else {
+            return false
+        }
+    }
+
+    func setStatus(active: Bool, forIdentity: MartinOMEMO.SignalAddress) -> Bool {
+        if let identity = OMEMOIdentity.getFor(account: credentials.bareJid, name: forIdentity.name, deviceId: forIdentity.deviceId) {
+            let status = IdentityStatus(rawValue: identity.status) ?? .undecidedActive
+            return identity.updateStatus(active ? status.toActive().rawValue : status.toInactive().rawValue)
+        } else {
+            return false
+        }
+    }
+
+    func identities(forName name: String) -> [MartinOMEMO.Identity] {
+        OMEMOIdentity.getAllFor(account: credentials.bareJid, name: name)
+            .compactMap { identity in
+                guard let status = IdentityStatus(rawValue: identity.status) else {
+                    return nil
+                }
+                return MartinOMEMO.Identity(
+                    address: MartinOMEMO.SignalAddress(name: identity.name, deviceId: Int32(identity.deviceId)),
+                    status: status,
+                    fingerprint: identity.fingerprint,
+                    key: identity.key,
+                    own: identity.own
+                )
+            }
+    }
+
+    func identityFingerprint(forAddress address: MartinOMEMO.SignalAddress) -> String? {
+        OMEMOIdentity.getFor(account: credentials.bareJid, name: address.name, deviceId: address.deviceId)?.fingerprint
+    }
+}
+
+// MARK: - PreKey
+extension ClientMartinOMEMO: SignalPreKeyStoreProtocol {
+    func currentPreKeyId() -> UInt32 {
+        let id = OMEMOPreKey.currentIdFor(account: credentials.bareJid)
+        return UInt32(id)
+    }
+
+    func loadPreKey(withId: UInt32) -> Data? {
+        OMEMOPreKey.keyFor(account: credentials.bareJid, id: withId)
+    }
+
+    func storePreKey(_ data: Data, withId: UInt32) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOPreKey(
+                    account: credentials.bareJid,
+                    id: Int(withId),
+                    key: data,
+                    markForDeletion: false
+                )
+                .insert(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error pre key store: \(error.localizedDescription)")
+            return false
+        }
+    }
+
+    func containsPreKey(withId: UInt32) -> Bool {
+        OMEMOPreKey.contains(account: credentials.bareJid, id: withId)
+    }
+
+    func deletePreKey(withId: UInt32) -> Bool {
+        OMEMOPreKey.markForDeletion(account: credentials.bareJid, id: withId)
+    }
+
+    func flushDeletedPreKeys() -> Bool {
+        OMEMOPreKey.deleteMarked(account: credentials.bareJid)
+    }
+
+    func preKeysWipe() {
+        OMEMOPreKey.wipe(account: credentials.bareJid)
+    }
+}
+
+// MARK: - SignedPreKey
+extension ClientMartinOMEMO: SignalSignedPreKeyStoreProtocol {
+    func countSignedPreKeys() -> Int {
+        OMEMOSignedPreKey.countsFor(account: credentials.bareJid)
+    }
+
+    func loadSignedPreKey(withId: UInt32) -> Data? {
+        OMEMOSignedPreKey.keyFor(account: credentials.bareJid, id: withId)
+    }
+
+    func storeSignedPreKey(_ data: Data, withId: UInt32) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSignedPreKey(
+                    account: credentials.bareJid,
+                    id: Int(withId),
+                    key: data
+                ).insert(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error storing signed pre key: \(error.localizedDescription)")
+            return false
+        }
+    }
+
+    func containsSignedPreKey(withId: UInt32) -> Bool {
+        OMEMOSignedPreKey.keyFor(account: credentials.bareJid, id: withId) != nil
+    }
+
+    func deleteSignedPreKey(withId: UInt32) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSignedPreKey
+                    .filter(Column("account") == credentials.bareJid)
+                    .filter(Column("id") == withId)
+                    .deleteAll(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Error deleting signed pre key: \(error.localizedDescription)")
+            return false
+        }
+    }
+
+    func wipeSignedPreKeys() {
+        OMEMOSignedPreKey.wipe(account: credentials.bareJid)
+    }
+}
+
+// MARK: - SenderKey
+extension ClientMartinOMEMO: SignalSenderKeyStoreProtocol {
+    func storeSenderKey(_: Data, address _: MartinOMEMO.SignalAddress?, groupId _: String?) -> Bool {
+        false
+    }
+
+    func loadSenderKey(forAddress _: MartinOMEMO.SignalAddress?, groupId _: String?) -> Data? {
+        nil
+    }
+}

ConversationsClassic/AppData/Client/Client+MartinRosters.swift

@@ -2,11 +2,10 @@ import Foundation
 import GRDB
 import Martin
 
-extension Database: Martin.RosterManager {
+final class ClientMartinRosterManager: Martin.RosterManager {
     func clear(for context: Martin.Context) {
-        print("Clearing roster for context: \(context)")
         do {
-            try _db.write { db in
+            try Database.shared.dbQueue.write { db in
                 try Roster
                     .filter(Column("bareJid") == context.userBareJid.stringValue)
                     .deleteAll(db)
@@ -22,7 +21,7 @@ extension Database: Martin.RosterManager {
 
     func items(for context: Martin.Context) -> [any Martin.RosterItemProtocol] {
         do {
-            let rosters: [Roster] = try _db.read { db in
+            let rosters: [Roster] = try Database.shared.dbQueue.read { db in
                 try Roster.filter(Column("bareJid") == context.userBareJid.stringValue).fetchAll(db)
             }
             return rosters.map { roster in
@@ -43,7 +42,7 @@ extension Database: Martin.RosterManager {
 
     func item(for context: Martin.Context, jid: Martin.JID) -> (any Martin.RosterItemProtocol)? {
         do {
-            let roster: Roster? = try _db.read { db in
+            let roster: Roster? = try Database.shared.dbQueue.read { db in
                 try Roster
                     .filter(Column("bareJid") == context.userBareJid.stringValue)
                     .filter(Column("contactBareJid") == jid.stringValue)
@@ -80,7 +79,7 @@ extension Database: Martin.RosterManager {
                     annotations: annotations
                 )
             )
-            try _db.write { db in
+            try Database.shared.dbQueue.write { db in
                 try roster.save(db)
             }
             return RosterItemBase(jid: jid, name: name, subscription: subscription, groups: groups, ask: ask, annotations: annotations)
@@ -92,14 +91,14 @@ extension Database: Martin.RosterManager {
 
     func deleteItem(for context: Martin.Context, jid: Martin.JID) -> (any Martin.RosterItemProtocol)? {
         do {
-            let roster: Roster? = try _db.read { db in
+            let roster: Roster? = try Database.shared.dbQueue.read { db in
                 try Roster
                     .filter(Column("bareJid") == context.userBareJid.stringValue)
                     .filter(Column("contactBareJid") == jid.stringValue)
                     .fetchOne(db)
             }
             if let roster {
-                _ = try _db.write { db in
+                _ = try Database.shared.dbQueue.write { db in
                     try roster.delete(db)
                 }
                 return RosterItemBase(
@@ -121,7 +120,7 @@ extension Database: Martin.RosterManager {
 
     func version(for context: Martin.Context) -> String? {
         do {
-            let version: RosterVersion? = try _db.read { db in
+            let version: RosterVersion? = try Database.shared.dbQueue.read { db in
                 try RosterVersion
                     .filter(Column("bareJid") == context.userBareJid.stringValue)
                     .fetchOne(db)
@@ -136,7 +135,7 @@ extension Database: Martin.RosterManager {
     func set(version: String?, for context: Martin.Context) {
         guard let version else { return }
         do {
-            try _db.write { db in
+            try Database.shared.dbQueue.write { db in
                 let rosterVersion = RosterVersion(
                     bareJid: context.userBareJid.stringValue,
                     version: version

ConversationsClassic/AppData/Client/Client.swift

@@ -0,0 +1,235 @@
+import Combine
+import Foundation
+import GRDB
+import Martin
+import MartinOMEMO
+
+enum ClientState: Equatable {
+    enum ClientConnectionState {
+        case connected
+        case disconnected
+    }
+
+    case disabled
+    case enabled(ClientConnectionState)
+}
+
+final class Client: ObservableObject {
+    @Published private(set) var state: ClientState = .enabled(.disconnected)
+    @Published private(set) var credentials: Credentials
+    @Published private(set) var rosters: [Roster] = []
+
+    private var connection: XMPPClient
+    private var connectionCancellable: AnyCancellable?
+    private var rostersCancellable: AnyCancellable?
+
+    private var rosterManager = ClientMartinRosterManager()
+    private var chatsManager = ClientMartinChatsManager()
+    private var discoManager: ClientMartinDiscoManager
+    private var messageManager: ClientMartinMessagesManager
+    private var carbonsManager: ClientMartinCarbonsManager
+    private var mamManager: ClientMartinMAM
+
+    init(credentials: Credentials) {
+        self.credentials = credentials
+        state = credentials.isActive ? .enabled(.disconnected) : .disabled
+        connection = Self.prepareConnection(credentials, rosterManager, chatsManager)
+        discoManager = ClientMartinDiscoManager(connection)
+        messageManager = ClientMartinMessagesManager(connection)
+        carbonsManager = ClientMartinCarbonsManager(connection)
+        mamManager = ClientMartinMAM(connection)
+        connectionCancellable = connection.$state
+            .sink { [weak self] state in
+                guard let self = self else { return }
+                guard self.credentials.isActive else {
+                    self.state = .disabled
+                    return
+                }
+                rostersCancellable = ValueObservation
+                    .tracking { db in
+                        try Roster
+                            .filter(Column("bareJid") == self.credentials.bareJid)
+                            .filter(Column("locallyDeleted") == false)
+                            .fetchAll(db)
+                    }
+                    .publisher(in: Database.shared.dbQueue)
+                    .catch { _ in Just([]) }
+                    .sink { rosters in
+                        self.rosters = rosters
+                    }
+                switch state {
+                case .connected:
+                    self.state = .enabled(.connected)
+
+                default:
+                    self.state = .enabled(.disconnected)
+                }
+            }
+    }
+}
+
+extension Client {
+    func addRoster(_ jid: String, name: String?, groups: [String]) async throws {
+        _ = try await connection.module(.roster).addItem(
+            jid: JID(jid),
+            name: name,
+            groups: groups
+        )
+    }
+
+    func deleteRoster(_ roster: Roster) async throws {
+        _ = try await connection.module(.roster).removeItem(jid: JID(roster.contactBareJid))
+    }
+
+    func connect() async {
+        guard credentials.isActive, state == .enabled(.disconnected) else {
+            return
+        }
+        try? await connection.loginAndWait()
+    }
+
+    func disconnect() {
+        _ = connection.disconnect()
+    }
+}
+
+extension Client {
+    func sendMessage(_ message: Message) async throws {
+        guard let to = message.to else {
+            return
+        }
+        guard let chat = connection.module(MessageModule.self).chatManager.createChat(for: connection.context, with: BareJID(to)) else {
+            return
+        }
+
+        var msg = chat.createMessage(text: message.body ?? "??", id: message.id)
+        msg.oob = message.oobUrl
+        msg = try await encryptMessage(msg)
+        try await chat.send(message: msg)
+    }
+
+    func uploadFile(_ localURL: URL) async throws -> String {
+        guard let data = try? Data(contentsOf: localURL) else {
+            throw AppError.noData
+        }
+        let httpModule = connection.module(HttpFileUploadModule.self)
+
+        let components = try await httpModule.findHttpUploadComponents()
+        guard let component = components.first(where: { $0.maxSize > data.count }) else {
+            throw AppError.fileTooBig
+        }
+
+        let slot = try await httpModule.requestUploadSlot(
+            componentJid: component.jid,
+            filename: localURL.lastPathComponent,
+            size: data.count,
+            contentType: localURL.mimeType
+        )
+        var request = URLRequest(url: slot.putUri)
+        for (key, value) in slot.putHeaders {
+            request.addValue(value, forHTTPHeaderField: key)
+        }
+        request.httpMethod = "PUT"
+        request.httpBody = data
+        request.addValue(String(data.count), forHTTPHeaderField: "Content-Length")
+        request.addValue(localURL.mimeType, forHTTPHeaderField: "Content-Type")
+        let (_, response) = try await URLSession.shared.data(for: request)
+        switch response {
+        case let httpResponse as HTTPURLResponse where httpResponse.statusCode == 201:
+            return slot.getUri.absoluteString
+
+        default:
+            throw URLError(.badServerResponse)
+        }
+    }
+
+    func fetchArchiveMessages(for roster: Roster, query: RSM.Query) async throws -> Martin.MessageArchiveManagementModule.QueryResult {
+        if !discoManager.features.map({ $0.xep }).contains("XEP-0313") {
+            throw AppError.featureNotSupported
+        }
+        let module = connection.module(MessageArchiveManagementModule.self)
+        return try await module.queryItems(componentJid: JID(roster.bareJid), with: JID(roster.contactBareJid), queryId: UUID().uuidString, rsm: query)
+    }
+}
+
+private extension Client {
+    func encryptMessage(_ message: Martin.Message) async throws -> Martin.Message {
+        try await withCheckedThrowingContinuation { continuation in
+            connection.module(.omemo).encode(message: message, completionHandler: { result in
+                switch result {
+                case .successMessage(let encodedMessage, _):
+                    // guard connection.isConnected else {
+                    //     continuation.resume(returning: message)
+                    //     return
+                    // }
+                    continuation.resume(returning: encodedMessage)
+
+                case .failure(let error):
+                    var errorMessage = NSLocalizedString("It was not possible to send encrypted message due to encryption error", comment: "message encryption failure")
+                    switch error {
+                    case .noSession:
+                        errorMessage = NSLocalizedString("There is no trusted device to send message to", comment: "message encryption failure")
+                    default:
+                        break
+                    }
+                    continuation.resume(throwing: XMPPError.unexpected_request(errorMessage))
+                }
+            })
+        }
+    }
+}
+
+extension Client {
+    static func tryLogin(with credentials: Credentials) async throws -> Client {
+        let client = Client(credentials: credentials)
+        try await client.connection.loginAndWait()
+        return client
+    }
+}
+
+private extension Client {
+    static func prepareConnection(_ credentials: Credentials, _ roster: RosterManager, _ chat: ChatManager) -> XMPPClient {
+        let client = XMPPClient()
+
+        // register modules
+        // core modules RFC 6120
+        client.modulesManager.register(StreamFeaturesModule())
+        client.modulesManager.register(SaslModule())
+        client.modulesManager.register(AuthModule())
+        client.modulesManager.register(SessionEstablishmentModule())
+        client.modulesManager.register(ResourceBinderModule())
+        client.modulesManager.register(DiscoveryModule(identity: .init(category: "client", type: "iOS", name: Const.appName)))
+
+        // messaging modules RFC 6121
+        client.modulesManager.register(RosterModule(rosterManager: roster))
+        client.modulesManager.register(PresenceModule())
+
+        client.modulesManager.register(PubSubModule())
+        client.modulesManager.register(MessageModule(chatManager: chat))
+        client.modulesManager.register(MessageArchiveManagementModule())
+
+        client.modulesManager.register(MessageCarbonsModule())
+
+        // file transfer modules
+        client.modulesManager.register(HttpFileUploadModule())
+
+        // extensions
+        client.modulesManager.register(SoftwareVersionModule())
+        client.modulesManager.register(PingModule())
+        client.connectionConfiguration.userJid = .init(credentials.bareJid)
+        client.connectionConfiguration.credentials = .password(password: credentials.pass)
+
+        // OMEMO
+        let omemoManager = ClientMartinOMEMO(credentials)
+        let (signalStorage, signalContext) = omemoManager.signal
+        client.modulesManager.register(OMEMOModule(aesGCMEngine: AESGSMEngine.shared, signalContext: signalContext, signalStorage: signalStorage))
+
+        // group chats
+        // client.modulesManager.register(MucModule(roomManager: manager))
+
+        // channels
+        // client.modulesManager.register(MixModule(channelManager: manager))
+
+        return client
+    }
+}

ConversationsClassic/AppData/Model/Chat.swift

@@ -0,0 +1,34 @@
+import Foundation
+import GRDB
+
+enum ConversationType: Int, Codable, DatabaseValueConvertible {
+    case chat = 0
+    case room = 1
+    case channel = 2
+}
+
+struct Chat: DBStorable {
+    static let databaseTableName = "chats"
+
+    var id: String
+    var account: String
+    var participant: String
+    var type: ConversationType
+}
+
+extension Chat: Equatable {}
+
+extension Chat {
+    func fetchRoster() async throws -> Roster {
+        try await Database.shared.dbQueue.read { db in
+            guard
+                let roster = try Roster
+                    .filter(Column("bareJid") == account && Column("contactBareJid") == participant)
+                    .fetchOne(db)
+            else {
+                throw AppError.rosterNotFound
+            }
+            return roster
+        }
+    }
+}

ConversationsClassic/AppData/Model/Credentials.swift

@@ -0,0 +1,32 @@
+import Combine
+import Foundation
+import GRDB
+import SwiftUI
+
+struct Credentials: DBStorable, Hashable {
+    static let databaseTableName = "credentials"
+
+    var id: String { bareJid }
+    var bareJid: String
+    var pass: String
+    var isActive: Bool
+
+    func save() async throws {
+        let db = Database.shared.dbQueue
+        try await db.write { db in
+            try self.save(db)
+        }
+    }
+
+    func delete() async throws {
+        let db = Database.shared.dbQueue
+        _ = try await db.write { db in
+            try self.delete(db)
+        }
+    }
+}
+
+extension Credentials: UniversalInputSelectionElement {
+    var text: String? { bareJid }
+    var icon: Image? { nil }
+}

ConversationsClassic/AppData/Model/GalleryItem.swift

@@ -0,0 +1,53 @@
+import Photos
+import SwiftUI
+
+enum GalleryMediaType {
+    case video
+    case photo
+}
+
+struct GalleryItem: Identifiable {
+    let id: String
+    let type: GalleryMediaType
+    var thumbnail: Image?
+    var duration: String?
+}
+
+extension GalleryItem {
+    static func fetchAll() async -> [GalleryItem] {
+        await Task {
+            let fetchOptions = PHFetchOptions()
+            fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
+            let assets = PHAsset.fetchAssets(with: fetchOptions)
+            var tmpGalleryItems: [GalleryItem] = []
+            assets.enumerateObjects { asset, _, _ in
+                if asset.mediaType == .image {
+                    let item = GalleryItem(id: asset.localIdentifier, type: .photo, thumbnail: nil, duration: nil)
+                    tmpGalleryItems.append(item)
+                }
+                if asset.mediaType == .video {
+                    let item = GalleryItem(id: asset.localIdentifier, type: .video, thumbnail: nil, duration: asset.duration.minAndSec)
+                    tmpGalleryItems.append(item)
+                }
+            }
+            return tmpGalleryItems
+        }.value
+    }
+
+    mutating func fetchThumbnail() async throws {
+        guard let asset = PHAsset.fetchAssets(withLocalIdentifiers: [id], options: nil).firstObject else { return }
+        let size = CGSize(width: Const.galleryGridSize, height: Const.galleryGridSize)
+
+        switch type {
+        case .photo:
+            let originalImage = try await PHImageManager.default().getPhoto(for: asset)
+            let cropped = try await originalImage.scaleAndCropImage(size)
+            thumbnail = Image(uiImage: cropped)
+
+        case .video:
+            let avAsset = try await PHImageManager.default().getVideo(for: asset)
+            let cropped = try await avAsset.generateVideoThumbnail(size)
+            thumbnail = Image(uiImage: cropped)
+        }
+    }
+}

ConversationsClassic/AppData/Model/Message+OMEMO.swift

@@ -0,0 +1,76 @@
+import Foundation
+import GRDB
+import Martin
+
+extension Message {
+    static func map(_ martinMessage: Martin.Message, context: Martin.Context?) -> Message? {
+        // Check that the message type is supported
+        var martinMessage = martinMessage
+        let chatTypes: [StanzaType] = [.chat, .groupchat]
+        guard let mType = martinMessage.type, chatTypes.contains(mType) else {
+            #if DEBUG
+                print("Unsupported martinMessage type: \(martinMessage.type?.rawValue ?? "nil")")
+            #endif
+            return nil
+        }
+
+        // Type
+        let type = MessageType(rawValue: martinMessage.type?.rawValue ?? "") ?? .chat
+
+        // Content type
+        var contentType: MessageContentType = .text
+        if let oob = martinMessage.oob {
+            contentType = .attachment(.init(
+                type: oob.attachmentType,
+                localName: nil,
+                thumbnailName: nil,
+                remotePath: oob
+            ))
+        } else if martinMessage.hints.contains(.noStore) {
+            contentType = .typing
+            // skip for now
+            return nil
+        }
+
+        // Try to recognize if message is omemo-encoded and decode it
+        if let omemo = context?.module(.omemo) {
+            let decodingResult = omemo.decode(message: martinMessage)
+            switch decodingResult {
+            case .successMessage(let decodedMessage, _):
+                martinMessage = decodedMessage
+                // print(decodedMessage, fingerprint)
+
+            case .successTransportKey:
+                break
+
+            case .failure(let error):
+                logIt(.error, "Error decoding omemo message: \(error)")
+            }
+        }
+
+        // skip for non-visible messages
+        if martinMessage.body == nil, martinMessage.oob == nil, martinMessage.type == .chat {
+            return nil
+        }
+
+        // From/To
+        let from = martinMessage.from?.bareJid.stringValue ?? ""
+        let to = martinMessage.to?.bareJid.stringValue
+
+        // Msg
+        let msg = Message(
+            id: martinMessage.id ?? UUID().uuidString,
+            type: type,
+            date: Date(),
+            contentType: contentType,
+            status: .sent,
+            from: from,
+            to: to,
+            body: martinMessage.body,
+            subject: martinMessage.subject,
+            thread: martinMessage.thread,
+            oobUrl: martinMessage.oob
+        )
+        return msg
+    }
+}

ConversationsClassic/AppData/Model/Message.swift

@@ -0,0 +1,103 @@
+import Foundation
+import GRDB
+import Martin
+
+enum MessageType: String, Codable, DatabaseValueConvertible {
+    case chat
+    case groupchat
+    case error
+}
+
+enum AttachmentType: Int, Codable, DatabaseValueConvertible {
+    case image
+    case video
+    case audio
+    case file
+}
+
+struct Attachment: Codable & Equatable, DatabaseValueConvertible {
+    let type: AttachmentType
+    var localName: String?
+    var thumbnailName: String?
+    var remotePath: String?
+
+    var localPath: URL? {
+        guard let attachmentLocalName = localName else { return nil }
+        return FolderWrapper.shared.fileFolder.appendingPathComponent(attachmentLocalName)
+    }
+
+    var thumbnailPath: URL? {
+        guard let attachmentThumbnailName = thumbnailName else { return nil }
+        return FolderWrapper.shared.fileFolder.appendingPathComponent(attachmentThumbnailName)
+    }
+}
+
+enum MessageContentType: Codable & Equatable, DatabaseValueConvertible {
+    case text
+    case typing
+    case invite
+    case attachment(Attachment)
+
+    var isAttachment: Bool {
+        if case .attachment = self {
+            return true
+        }
+        return false
+    }
+}
+
+enum MessageStatus: Int, Codable, DatabaseValueConvertible {
+    case pending
+    case sent
+    case error
+}
+
+struct Message: DBStorable, Equatable {
+    static let databaseTableName = "messages"
+
+    let id: String
+    var type: MessageType
+    var date: Date
+    var contentType: MessageContentType
+    var status: MessageStatus
+
+    var from: String
+    var to: String?
+
+    var body: String?
+    var subject: String?
+    var thread: String?
+    var oobUrl: String?
+}
+
+extension Message {
+    func save() async throws {
+        try await Database.shared.dbQueue.write { db in
+            try self.insert(db)
+        }
+    }
+
+    func setStatus(_ status: MessageStatus) async throws {
+        try await Database.shared.dbQueue.write { db in
+            var updatedMessage = self
+            updatedMessage.status = status
+            try updatedMessage.update(db, columns: ["status"])
+        }
+    }
+
+    static var blank: Message {
+        Message(
+            id: UUID().uuidString,
+            type: .chat,
+            date: Date(),
+            contentType: .text,
+            status: .pending,
+            from: "",
+            to: nil,
+            body: nil,
+            subject: nil,
+            thread: nil,
+            oobUrl: nil
+        )
+    }
+}

ConversationsClassic/AppData/Model/OMEMO.swift

@@ -0,0 +1,314 @@
+import Foundation
+import GRDB
+import Martin
+
+// MARK: - Session
+struct OMEMOSession: DBStorable {
+    static let databaseTableName = "omemo_sessions"
+
+    let account: String
+    let name: String
+    let deviceId: Int
+    let key: String
+
+    var id: String {
+        "\(account)_\(name)_\(deviceId)"
+    }
+}
+
+extension OMEMOSession {
+    static func keyFor(account: String, name: String, deviceId: Int32) -> String? {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOSession
+                    .filter(Column("account") == account)
+                    .filter(Column("name") == name)
+                    .filter(Column("deviceId") == deviceId)
+                    .fetchOne(db)
+            }?.key
+        } catch {
+            return nil
+        }
+    }
+
+    static func devicesIdsFor(account: String, name: String) -> [Int32] {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOSession
+                    .filter(Column("account") == account)
+                    .filter(Column("name") == name)
+                    .fetchAll(db)
+                    .map(\.deviceId)
+            }.map { Int32($0) }
+        } catch {
+            return []
+        }
+    }
+
+    static func trustedDevicesIdsFor(account: String, name: String) -> [Int32] {
+        do {
+            let sql =
+                """
+                SELECT s.device_id
+                FROM omemo_sessions s 
+                LEFT JOIN omemo_identities i 
+                ON s.account = i.account 
+                AND s.name = i.name 
+                AND s.device_id = i.device_id 
+                WHERE s.account = :account 
+                AND s.name = :name 
+                AND ((i.status >= 0 AND i.status % 2 = 0) OR i.status IS NULL)
+                """
+
+            let arguments: StatementArguments = ["account": account, "name": name]
+
+            return try Database.shared.dbQueue.read { db in
+                try Int32.fetchAll(db, sql: sql, arguments: arguments)
+            }
+        } catch {
+            return []
+        }
+    }
+
+    static func wipe(account: String) {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSession
+                    .filter(Column("account") == account)
+                    .deleteAll(db)
+            }
+        } catch {
+            logIt(.error, "Failed to wipe OMEMO session: \(error)")
+        }
+    }
+}
+
+// MARK: - Identity
+struct OMEMOIdentity: DBStorable {
+    static let databaseTableName = "omemo_identities"
+
+    let account: String
+    let name: String
+    let deviceId: Int
+    let fingerprint: String
+    let key: Data
+    let own: Bool
+    let status: Int
+
+    var id: String {
+        "\(account)_\(name)_\(deviceId)"
+    }
+}
+
+extension OMEMOIdentity {
+    static func wipe(account: String) {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOIdentity
+                    .filter(Column("account") == account)
+                    .deleteAll(db)
+            }
+        } catch {
+            logIt(.error, "Failed to wipe OMEMO identity: \(error)")
+        }
+    }
+
+    static func getFor(account: String, name: String, deviceId: Int32) -> OMEMOIdentity? {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOIdentity
+                    .filter(Column("account") == account)
+                    .filter(Column("name") == name)
+                    .filter(Column("deviceId") == deviceId)
+                    .fetchOne(db)
+            }
+        } catch {
+            return nil
+        }
+    }
+
+    static func existsFor(account: String, name: String, fingerprint: String) -> Bool {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOIdentity
+                    .filter(Column("account") == account)
+                    .filter(Column("name") == name)
+                    .filter(Column("fingerprint") == fingerprint)
+                    .fetchOne(db) != nil
+            }
+        } catch {
+            return false
+        }
+    }
+
+    func updateStatus(_ status: Int) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOIdentity
+                    .filter(Column("account") == account)
+                    .filter(Column("name") == name)
+                    .filter(Column("deviceId") == deviceId)
+                    .updateAll(db, Column("status").set(to: status))
+            }
+            return true
+        } catch {
+            logIt(.error, "Failed to update OMEMO identity status: \(error)")
+            return false
+        }
+    }
+
+    static func getAllFor(account: String, name: String) -> [OMEMOIdentity] {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOIdentity
+                    .filter(Column("account") == account)
+                    .filter(Column("name") == name)
+                    .fetchAll(db)
+            }
+        } catch {
+            return []
+        }
+    }
+}
+
+// MARK: - PreKey
+struct OMEMOPreKey: DBStorable {
+    static let databaseTableName = "omemo_pre_keys"
+
+    let account: String
+    let id: Int
+    let key: Data
+    let markForDeletion: Bool
+}
+
+extension OMEMOPreKey {
+    static func wipe(account: String) {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOPreKey
+                    .filter(Column("account") == account)
+                    .deleteAll(db)
+            }
+        } catch {
+            logIt(.error, "Failed to wipe OMEMO pre key: \(error)")
+        }
+    }
+
+    static func currentIdFor(account: String) -> Int {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOPreKey
+                    .filter(Column("account") == account)
+                    .order(Column("id").desc)
+                    .fetchOne(db)
+                    .map(\.id)
+            } ?? 0
+        } catch {
+            return 0
+        }
+    }
+
+    static func keyFor(account: String, id: UInt32) -> Data? {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOPreKey
+                    .filter(Column("account") == account)
+                    .filter(Column("id") == id)
+                    .fetchOne(db)
+            }?.key
+        } catch {
+            return nil
+        }
+    }
+
+    static func contains(account: String, id: UInt32) -> Bool {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOPreKey
+                    .filter(Column("account") == account)
+                    .filter(Column("id") == id)
+                    .fetchOne(db) != nil
+            }
+        } catch {
+            return false
+        }
+    }
+
+    static func markForDeletion(account: String, id: UInt32) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOPreKey
+                    .filter(Column("account") == account)
+                    .filter(Column("id") == id)
+                    .updateAll(db, Column("markForDeletion").set(to: true))
+            }
+            return true
+        } catch {
+            logIt(.error, "Failed to mark OMEMO pre key for deletion: \(error)")
+            return false
+        }
+    }
+
+    static func deleteMarked(account: String) -> Bool {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOPreKey
+                    .filter(Column("account") == account)
+                    .filter(Column("markForDeletion") == true)
+                    .deleteAll(db)
+            }
+            return true
+        } catch {
+            logIt(.error, "Failed to delete marked OMEMO pre keys: \(error)")
+            return false
+        }
+    }
+}
+
+// MARK: - SignedPreKey
+struct OMEMOSignedPreKey: DBStorable {
+    static let databaseTableName = "omemo_signed_pre_keys"
+
+    let account: String
+    let id: Int
+    let key: Data
+}
+
+extension OMEMOSignedPreKey {
+    static func wipe(account: String) {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try OMEMOSignedPreKey
+                    .filter(Column("account") == account)
+                    .deleteAll(db)
+            }
+        } catch {
+            logIt(.error, "Failed to wipe OMEMO signed pre key: \(error)")
+        }
+    }
+
+    static func countsFor(account: String) -> Int {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOSignedPreKey
+                    .filter(Column("account") == account)
+                    .fetchCount(db)
+            }
+        } catch {
+            return 0
+        }
+    }
+
+    static func keyFor(account: String, id: UInt32) -> Data? {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                try OMEMOSignedPreKey
+                    .filter(Column("account") == account)
+                    .filter(Column("id") == id)
+                    .fetchOne(db)
+            }?.key
+        } catch {
+            return nil
+        }
+    }
+}

ConversationsClassic/AppData/Model/Roster.swift

@@ -60,3 +60,45 @@ extension Roster: Equatable {
         lhs.bareJid == rhs.bareJid && lhs.contactBareJid == rhs.contactBareJid
     }
 }
+
+extension Roster {
+    mutating func setLocallyDeleted(_ value: Bool) async throws {
+        locallyDeleted = value
+        let copy = self
+        try? await Database.shared.dbQueue.write { db in
+            try copy.save(db)
+        }
+    }
+}
+
+extension Roster {
+    static var allDeletedLocally: [Roster] {
+        get async {
+            do {
+                let rosters = try await Database.shared.dbQueue.read { db in
+                    try Roster
+                        .filter(Column("locallyDeleted") == true)
+                        .fetchAll(db)
+                }
+                return rosters
+            } catch {
+                return []
+            }
+        }
+    }
+
+    static var allActive: [Roster] {
+        get async {
+            do {
+                let rosters = try await Database.shared.dbQueue.read { db in
+                    try Roster
+                        .filter(Column("locallyDeleted") == false)
+                        .fetchAll(db)
+                }
+                return rosters
+            } catch {
+                return []
+            }
+        }
+    }
+}

ConversationsClassic/AppData/Model/ServerFeature.swift

@@ -0,0 +1,21 @@
+import Foundation
+
+struct ServerFeature: Identifiable & Codable {
+    let xep: String
+    let name: String
+    let xmppId: String?
+    let description: String?
+
+    var id: String { xep }
+
+    static var allFeatures: [ServerFeature] {
+        guard
+            let url = Bundle.main.url(forResource: "server_features", withExtension: "plist"),
+            let data = try? Data(contentsOf: url),
+            let loaded = try? PropertyListDecoder().decode([ServerFeature].self, from: data)
+        else {
+            return []
+        }
+        return loaded
+    }
+}

ConversationsClassic/AppData/Model/Settings.swift

@@ -0,0 +1,49 @@
+import Foundation
+import GRDB
+
+struct Settings: DBStorable {
+    static let databaseTableName = "settings"
+
+    let bareJid: String
+    var omemoRegId: Int
+
+    var id: String {
+        bareJid
+    }
+}
+
+extension Settings {
+    static func getFor(_ bareJid: String) -> Settings? {
+        do {
+            return try Database.shared.dbQueue.read { db in
+                let settings = try Settings.filter(Column("bareJid") == bareJid).fetchOne(db)
+                return settings
+            }
+        } catch {
+            logIt(.error, "Settings not exists for \(bareJid)")
+            return nil
+        }
+    }
+
+    func wipeOmemoRegId() {
+        do {
+            _ = try Database.shared.dbQueue.write { db in
+                try Settings
+                    .filter(Column("bareJid") == bareJid)
+                    .updateAll(db, Column("omemoRegId").set(to: 0))
+            }
+        } catch {
+            logIt(.error, "Failed to wipe omemoRegId for \(bareJid)")
+        }
+    }
+
+    func save() {
+        do {
+            try Database.shared.dbQueue.write { db in
+                try self.insert(db)
+            }
+        } catch {
+            logIt(.error, "Failed to save settings for \(bareJid)")
+        }
+    }
+}

ConversationsClassic/AppData/Services/AESGSMEngine.swift

@@ -0,0 +1,47 @@
+import CryptoKit
+import Foundation
+import MartinOMEMO
+
+final class AESGSMEngine: AES_GCM_Engine {
+    static let shared = AESGSMEngine()
+
+    private init() {}
+
+    func encrypt(iv: Data, key: Data, message: Data, output: UnsafeMutablePointer<Data>?, tag: UnsafeMutablePointer<Data>?) -> Bool {
+        do {
+            let symmetricKey = SymmetricKey(data: key)
+            let sealedBox = try AES.GCM.seal(message, using: symmetricKey, nonce: AES.GCM.Nonce(data: iv))
+
+            if let output = output {
+                output.pointee = sealedBox.ciphertext
+            }
+            if let tag = tag {
+                tag.pointee = sealedBox.tag
+            }
+            return true
+        } catch {
+            print("Encryption error: \(error)")
+            return false
+        }
+    }
+
+    func decrypt(iv: Data, key: Data, encoded: Data, auth tag: Data?, output: UnsafeMutablePointer<Data>?) -> Bool {
+        do {
+            let symmetricKey = SymmetricKey(data: key)
+            guard let tag = tag else {
+                print("Tag is missing")
+                return false
+            }
+            let sealedBox = try AES.GCM.SealedBox(nonce: AES.GCM.Nonce(data: iv), ciphertext: encoded, tag: tag)
+            let decryptedData = try AES.GCM.open(sealedBox, using: symmetricKey)
+
+            if let output = output {
+                output.pointee = decryptedData
+            }
+            return true
+        } catch {
+            print("Decryption error: \(error)")
+            return false
+        }
+    }
+}

ConversationsClassic/AppData/Services/Database+Migrations.swift

@@ -12,12 +12,11 @@ extension Database {
 
         // 1st migration - basic tables
         migrator.registerMigration("Add basic tables") { db in
-            // accounts
+            // credentials
-            try db.create(table: "accounts", options: [.ifNotExists]) { table in
+            try db.create(table: "credentials", options: [.ifNotExists]) { table in
                 table.column("bareJid", .text).notNull().primaryKey().unique(onConflict: .replace)
                 table.column("pass", .text).notNull()
                 table.column("isActive", .boolean).notNull().defaults(to: true)
-                table.column("isTemp", .boolean).notNull().defaults(to: false)
             }
 
             // rosters
@@ -48,40 +47,68 @@ extension Database {
             try db.create(table: "messages", options: [.ifNotExists]) { table in
                 table.column("id", .text).notNull().primaryKey().unique(onConflict: .replace)
                 table.column("type", .text).notNull()
+                table.column("date", .datetime).notNull()
                 table.column("contentType", .text).notNull()
+                table.column("status", .integer).notNull()
                 table.column("from", .text).notNull()
                 table.column("to", .text)
                 table.column("body", .text)
                 table.column("subject", .text)
                 table.column("thread", .text)
                 table.column("oobUrl", .text)
-                table.column("date", .datetime).notNull()
-                table.column("pending", .boolean).notNull()
-                table.column("sentError", .boolean).notNull()
-                table.column("attachmentType", .integer)
-                table.column("attachmentLocalName", .text)
-                table.column("attachmentRemotePath", .text)
-                table.column("attachmentThumbnailName", .text)
-                table.column("attachmentDownloadFailed", .boolean).notNull().defaults(to: false)
             }
         }
 
-        // 2nd migration - channels/rooms
+        migrator.registerMigration("Add OMEMO tables") { db in
-        migrator.registerMigration("Add channels/rooms") { db in
+            try db.create(table: "omemo_sessions", options: [.ifNotExists]) { table in
-            // rooms
-            try db.create(table: "rooms", options: [.ifNotExists]) { table in
-                table.column("id", .text).notNull().primaryKey().unique(onConflict: .replace)
                 table.column("account", .text).notNull()
-                table.column("nickname", .text).notNull()
+                table.column("name", .text).notNull()
-                table.column("password", .text)
+                table.column("deviceId", .integer).notNull()
+                table.column("key", .text).notNull()
+                table.primaryKey(["account", "name", "deviceId"], onConflict: .replace)
             }
 
-            // channels
+            try db.create(table: "omemo_identities", options: [.ifNotExists]) { table in
-            // try db.create(table: "channels", options: [.ifNotExists]) { table in
+                table.column("account", .text).notNull()
-            //     table.column("id", .text).notNull().primaryKey().unique(onConflict: .replace)
+                table.column("name", .text).notNull()
-            //     table.column("account", .text).notNull()
+                table.column("deviceId", .integer).notNull()
-            //     table.column("channel", .text).notNull()
+                table.column("fingerprint", .text).notNull()
+                table.column("key", .blob).notNull()
+                table.column("own", .integer).notNull()
+                table.column("status", .integer).notNull()
+                table.primaryKey(["account", "name", "fingerprint"], onConflict: .ignore)
+            }
+
+            try db.create(table: "omemo_pre_keys", options: [.ifNotExists]) { table in
+                table.column("account", .text).notNull()
+                table.column("id", .integer).notNull()
+                table.column("key", .blob).notNull()
+                table.column("markForDeletion", .boolean).notNull().defaults(to: false)
+                table.primaryKey(["account", "id"], onConflict: .replace)
+            }
+
+            try db.create(table: "omemo_signed_pre_keys", options: [.ifNotExists]) { table in
+                table.column("account", .text).notNull()
+                table.column("id", .integer).notNull()
+                table.column("key", .blob).notNull()
+                table.primaryKey(["account", "id"], onConflict: .replace)
+            }
+
+            // try db.alter(table: "chats") { table in
+            //     table.add(column: "encryption", .text)
             // }
+            //
+            // try db.alter(table: "messages") { table in
+            //     table.add(column: "encryption", .integer)
+            //     table.add(column: "fingerprint", .text)
+            // }
+        }
+
+        migrator.registerMigration("Add settings table") { db in
+            try db.create(table: "settings", options: [.ifNotExists]) { table in
+                table.column("bareJid", .text).notNull().primaryKey().unique(onConflict: .replace)
+                table.column("omemoRegId", .integer).notNull()
+            }
         }
 
         // return migrator

ConversationsClassic/AppData/Services/Database.swift

@@ -9,7 +9,7 @@ typealias DBStorable = Codable & FetchableRecord & Identifiable & PersistableRec
 // MARK: - Database init
 final class Database {
     static let shared = Database()
-    let _db: DatabaseQueue
+    let dbQueue: DatabaseQueue
 
     private init() {
         do {
@@ -24,7 +24,7 @@ final class Database {
 
             // Open or create the database
             let databaseURL = directoryURL.appendingPathComponent("db.sqlite")
-            _db = try DatabaseQueue(path: databaseURL.path, configuration: Database.config)
+            dbQueue = try DatabaseQueue(path: databaseURL.path, configuration: Database.config)
 
             // Some debug info
             #if DEBUG
@@ -32,7 +32,7 @@ final class Database {
             #endif
 
             // Apply migrations
-            try Database.migrator.migrate(_db)
+            try Database.migrator.migrate(dbQueue)
         } catch {
             fatalError("Database initialization failed: \(error)")
         }

ConversationsClassic/AppData/Services/Logger.swift

@@ -4,33 +4,6 @@ import SwiftUI
 
 let isConsoleLoggingEnabled = false
 
-#if DEBUG
-    let prefixLength = 400
-    func loggerMiddleware() -> Middleware<AppState, AppAction> {
-        { state, action in
-            let timeStr = dateFormatter.string(from: Date())
-            var actionStr = "\(action)"
-            actionStr = String(actionStr.prefix(prefixLength)) + " ..."
-            var stateStr = "\(state)"
-            stateStr = String(stateStr.prefix(prefixLength)) + " ..."
-
-            let str = "\(timeStr) \u{EA86} \(actionStr)\n\(timeStr) \u{F129} \(stateStr)\n"
-
-            print(str)
-            if isConsoleLoggingEnabled {
-                NSLog(str)
-            }
-            return Empty().eraseToAnyPublisher()
-        }
-    }
-#else
-    func loggerMiddleware() -> Middleware<AppState, AppAction> {
-        { _, _ in
-            Empty().eraseToAnyPublisher()
-        }
-    }
-#endif
-
 enum LogLevels: String {
     case info = "\u{F449}"
     case warning = "\u{F071}"

ConversationsClassic/AppData/Services/NetworkMonitor.swift

@@ -0,0 +1,37 @@
+import Combine
+import Network
+
+extension NWPathMonitor {
+    func paths() -> AsyncStream<NWPath> {
+        AsyncStream { continuation in
+            pathUpdateHandler = { path in
+                continuation.yield(path)
+            }
+            continuation.onTermination = { [weak self] _ in
+                self?.cancel()
+            }
+            start(queue: DispatchQueue(label: "NSPathMonitor.paths"))
+        }
+    }
+}
+
+final actor NetworkMonitor: ObservableObject {
+    static let shared = NetworkMonitor()
+
+    @Published private(set) var isOnline: Bool = false
+
+    private let monitor = NWPathMonitor()
+
+    init() {
+        Task(priority: .background) {
+            await startMonitoring()
+        }
+    }
+
+    func startMonitoring() async {
+        let monitor = NWPathMonitor()
+        for await path in monitor.paths() {
+            isOnline = path.status == .satisfied
+        }
+    }
+}

ConversationsClassic/AppData/Store/AttachmentsStore.swift

@@ -0,0 +1,353 @@
+import Combine
+import Foundation
+import GRDB
+import Photos
+import SwiftUI
+
+@MainActor
+final class AttachmentsStore: ObservableObject {
+    @Published private(set) var cameraAccessGranted = false
+    @Published private(set) var galleryAccessGranted = false
+    @Published private(set) var galleryItems: [GalleryItem] = []
+
+    private let client: Client
+    private let roster: Roster
+
+    private var messagesCancellable: AnyCancellable?
+    private var processing: Set<String> = []
+
+    init(roster: Roster, client: Client) {
+        self.client = client
+        self.roster = roster
+        subscribe()
+    }
+}
+
+// MARK: - Camera and Gallery access
+extension AttachmentsStore {
+    func checkCameraAuthorization() async {
+        let status = AVCaptureDevice.authorizationStatus(for: .video)
+        var isAuthorized = status == .authorized
+        if status == .notDetermined {
+            isAuthorized = await AVCaptureDevice.requestAccess(for: .video)
+        }
+        cameraAccessGranted = isAuthorized
+    }
+
+    func checkGalleryAuthorization() async {
+        let status = PHPhotoLibrary.authorizationStatus()
+        var isAuthorized = status == .authorized
+        if status == .notDetermined {
+            let req = await PHPhotoLibrary.requestAuthorization(for: .readWrite)
+            isAuthorized = (req == .authorized) || (req == .limited)
+        }
+        galleryAccessGranted = isAuthorized
+        if isAuthorized {
+            await fetchGalleryItems()
+        }
+    }
+
+    private func fetchGalleryItems() async {
+        guard galleryAccessGranted else { return }
+        galleryItems = await GalleryItem.fetchAll()
+    }
+}
+
+// MARK: - Save outgoing attachments for future uploadings
+extension AttachmentsStore {
+    func sendMedia(_ items: [GalleryItem]) {
+        Task {
+            for item in items {
+                Task {
+                    var message = Message.blank
+                    message.from = roster.bareJid
+                    message.to = roster.contactBareJid
+
+                    switch item.type {
+                    case .photo:
+                        guard let asset = PHAsset.fetchAssets(withLocalIdentifiers: [item.id], options: nil).firstObject else { return }
+                        guard let photo = try? await PHImageManager.default().getPhoto(for: asset) else { return }
+                        guard let data = photo.jpegData(compressionQuality: 1.0) else { return }
+                        let localName = "\(message.id)_\(UUID().uuidString).jpg"
+                        let localUrl = FolderWrapper.shared.fileFolder.appendingPathComponent(localName)
+                        try? data.write(to: localUrl)
+                        message.contentType = .attachment(
+                            Attachment(
+                                type: .image,
+                                localName: localName,
+                                thumbnailName: nil,
+                                remotePath: nil
+                            )
+                        )
+                        try? await message.save()
+
+                    case .video:
+                        guard let asset = PHAsset.fetchAssets(withLocalIdentifiers: [item.id], options: nil).firstObject else { return }
+                        guard let video = try? await PHImageManager.default().getVideo(for: asset) else { return }
+                        // swiftlint:disable:next force_cast
+                        let assetURL = video as! AVURLAsset
+                        let url = assetURL.url
+                        let localName = "\(message.id)_\(UUID().uuidString).mov"
+                        let localUrl = FolderWrapper.shared.fileFolder.appendingPathComponent(localName)
+                        try? FileManager.default.copyItem(at: url, to: localUrl)
+                        message.contentType = .attachment(
+                            Attachment(
+                                type: .video,
+                                localName: localName,
+                                thumbnailName: nil,
+                                remotePath: nil
+                            )
+                        )
+                        try? await message.save()
+                    }
+                }
+            }
+        }
+    }
+
+    func sendCaptured(_ data: Data, _ type: GalleryMediaType) {
+        Task {
+            var message = Message.blank
+            message.from = roster.bareJid
+            message.to = roster.contactBareJid
+
+            let localName: String
+            let msgType: AttachmentType
+            do {
+                (localName, msgType) = try await Task {
+                    // local name
+                    let fileId = UUID().uuidString
+                    let localName: String
+                    let msgType: AttachmentType
+                    switch type {
+                    case .photo:
+                        localName = "\(message.id)_\(fileId).jpg"
+                        msgType = .image
+
+                    case .video:
+                        localName = "\(message.id)_\(fileId).mov"
+                        msgType = .video
+                    }
+
+                    // save
+                    let localUrl = FolderWrapper.shared.fileFolder.appendingPathComponent(localName)
+                    try data.write(to: localUrl)
+                    return (localName, msgType)
+                }.value
+            } catch {
+                logIt(.error, "Can't save file for uploading: \(error)")
+                return
+            }
+
+            // save message
+            message.contentType = .attachment(
+                Attachment(
+                    type: msgType,
+                    localName: localName,
+                    thumbnailName: nil,
+                    remotePath: nil
+                )
+            )
+            do {
+                try await message.save()
+            } catch {
+                logIt(.error, "Can't save message: \(error)")
+                return
+            }
+        }
+    }
+
+    func sendDocuments(_ data: [Data], _ extensions: [String]) {
+        Task {
+            for (index, data) in data.enumerated() {
+                Task {
+                    let newMessageId = UUID().uuidString
+                    let fileId = UUID().uuidString
+                    let localName = "\(newMessageId)_\(fileId).\(extensions[index])"
+                    let localUrl = FolderWrapper.shared.fileFolder.appendingPathComponent(localName)
+                    do {
+                        try data.write(to: localUrl)
+                    } catch {
+                        print("FileProcessing: Error writing document: \(error)")
+                        return
+                    }
+
+                    var message = Message.blank
+                    message.from = roster.bareJid
+                    message.to = roster.contactBareJid
+                    message.contentType = .attachment(
+                        Attachment(
+                            type: localName.attachmentType,
+                            localName: localName,
+                            thumbnailName: nil,
+                            remotePath: nil
+                        )
+                    )
+                    do {
+                        try await message.save()
+                    } catch {
+                        print("FileProcessing: Error saving document: \(error)")
+                    }
+                }
+            }
+        }
+    }
+}
+
+// MARK: - Processing attachments
+private extension AttachmentsStore {
+    func subscribe() {
+        messagesCancellable = ValueObservation.tracking(Message
+            .filter(
+                (Column("to") == roster.bareJid && Column("from") == roster.contactBareJid) ||
+                    (Column("from") == roster.bareJid && Column("to") == roster.contactBareJid)
+            )
+            .order(Column("date").desc)
+            .fetchAll
+        )
+        .publisher(in: Database.shared.dbQueue, scheduling: .immediate)
+        .receive(on: DispatchQueue.main)
+        .sink { _ in
+        } receiveValue: { [weak self] messages in
+            let forProcessing = messages
+                .filter { $0.status != .error }
+                .filter { self?.processing.contains($0.id) == false }
+                .filter { $0.contentType.isAttachment }
+            for message in forProcessing {
+                if case .attachment(let attachment) = message.contentType {
+                    let localPath = attachment.localPath
+                    if localPath != nil, attachment.remotePath == nil {
+                        // Uploading
+                        self?.processing.insert(message.id)
+                        Task {
+                            await self?.uploadAttachment(message)
+                        }
+                    } else if localPath == nil, attachment.remotePath != nil {
+                        // Downloading
+                        self?.processing.insert(message.id)
+                        Task {
+                            await self?.downloadAttachment(message)
+                        }
+                    } else if localPath != nil, attachment.remotePath != nil, attachment.thumbnailName == nil, attachment.type == .image {
+                        // Generate thumbnail
+                        self?.processing.insert(message.id)
+                        Task {
+                            await self?.generateThumbnail(message)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+// MARK: - Uploadings/Downloadings
+extension AttachmentsStore {
+    private func uploadAttachment(_ message: Message) async {
+        do {
+            try await message.setStatus(.pending)
+            var message = message
+            guard case .attachment(let attachment) = message.contentType else {
+                throw AppError.invalidContentType
+            }
+            guard let localName = attachment.localPath else {
+                throw AppError.invalidLocalName
+            }
+            let remotePath = try await client.uploadFile(localName)
+            message.contentType = .attachment(
+                Attachment(
+                    type: attachment.type,
+                    localName: attachment.localName,
+                    thumbnailName: nil,
+                    remotePath: remotePath
+                )
+            )
+            message.body = remotePath
+            message.oobUrl = remotePath
+            try await message.save()
+            try await client.sendMessage(message)
+            processing.remove(message.id)
+            try await message.setStatus(.sent)
+        } catch {
+            processing.remove(message.id)
+            try? await message.setStatus(.error)
+        }
+    }
+
+    private func downloadAttachment(_ message: Message) async {
+        guard case .attachment(let attachment) = message.contentType else {
+            return
+        }
+        guard let remotePath = attachment.remotePath, let remoteUrl = URL(string: remotePath) else {
+            return
+        }
+        do {
+            let localName = "\(message.id)_\(UUID().uuidString).\(remoteUrl.lastPathComponent)"
+            let localUrl = FolderWrapper.shared.fileFolder.appendingPathComponent(localName)
+
+            // Download the file
+            let (tempUrl, _) = try await URLSession.shared.download(from: remoteUrl)
+            try FileManager.default.moveItem(at: tempUrl, to: localUrl)
+
+            var message = message
+            message.contentType = .attachment(
+                Attachment(
+                    type: attachment.type,
+                    localName: localName,
+                    thumbnailName: attachment.thumbnailName,
+                    remotePath: remotePath
+                )
+            )
+            processing.remove(message.id)
+            try await message.save()
+        } catch {
+            logIt(.error, "Can't download attachment: \(error)")
+        }
+    }
+
+    private func generateThumbnail(_ message: Message) async {
+        guard case .attachment(let attachment) = message.contentType else {
+            return
+        }
+        guard attachment.type == .image else {
+            return
+        }
+        guard let localName = attachment.localName, let localPath = attachment.localPath else {
+            return
+        }
+        let thumbnailFileName = "thumb_\(localName)"
+        let thumbnailUrl = FolderWrapper.shared.fileFolder.appendingPathComponent(thumbnailFileName)
+
+        //
+        if !FileManager.default.fileExists(atPath: thumbnailUrl.path) {
+            guard let image = UIImage(contentsOfFile: localPath.path) else {
+                return
+            }
+            let targetSize = CGSize(width: Const.attachmentPreviewSize, height: Const.attachmentPreviewSize)
+            guard let thumbnail = try? await image.scaleAndCropImage(targetSize) else {
+                return
+            }
+            guard let data = thumbnail.jpegData(compressionQuality: 0.5) else {
+                return
+            }
+            do {
+                try data.write(to: thumbnailUrl)
+            } catch {
+                return
+            }
+        }
+
+        //
+        var message = message
+        message.contentType = .attachment(
+            Attachment(
+                type: attachment.type,
+                localName: attachment.localName,
+                thumbnailName: thumbnailFileName,
+                remotePath: attachment.remotePath
+            )
+        )
+        processing.remove(message.id)
+        try? await message.save()
+    }
+}

ConversationsClassic/AppData/Store/ClientsStore.swift

@@ -0,0 +1,188 @@
+import Combine
+import Foundation
+import GRDB
+
+@MainActor
+final class ClientsStore: ObservableObject {
+    static let shared = ClientsStore()
+
+    @Published private(set) var ready = false
+    @Published private(set) var clients: [Client] = []
+    @Published private(set) var actualRosters: [Roster] = []
+    @Published private(set) var actualChats: [Chat] = []
+
+    private var credentialsCancellable: AnyCancellable?
+    private var rostersCancellable: AnyCancellable?
+    private var chatsCancellable: AnyCancellable?
+
+    init() {
+        credentialsCancellable = ValueObservation
+            .tracking { db in
+                try Credentials.fetchAll(db)
+            }
+            .publisher(in: Database.shared.dbQueue)
+            .catch { _ in Just([]) }
+            .sink { [weak self] creds in
+                self?.processCredentials(creds)
+            }
+    }
+
+    private func processCredentials(_ credentials: [Credentials]) {
+        let existsJids = Set(clients.map { $0.credentials.bareJid })
+        let credentialsJids = Set(credentials.map { $0.bareJid })
+
+        let forAdd = credentials.filter { !existsJids.contains($0.bareJid) }
+        let newClients = forAdd.map { Client(credentials: $0) }
+
+        let forRemove = clients.filter { !credentialsJids.contains($0.credentials.bareJid) }
+        forRemove.forEach { $0.disconnect() }
+
+        var updatedClients = clients.filter { credentialsJids.contains($0.credentials.bareJid) }
+        updatedClients.append(contentsOf: newClients)
+        clients = updatedClients
+
+        if !ready {
+            ready = true
+        }
+
+        resubscribeRosters()
+        resubscribeChats()
+        reconnectAll()
+    }
+
+    private func client(for credentials: Credentials) -> Client? {
+        clients.first { $0.credentials == credentials }
+    }
+}
+
+// MARK: - Login/Connections
+extension ClientsStore {
+    func tryLogin(_ jidStr: String, _ pass: String) async throws {
+        // login with fake timeout
+        async let sleep: Void? = try? await Task.sleep(nanoseconds: 1 * NSEC_PER_SEC)
+        async let request = try await Client.tryLogin(with: .init(bareJid: jidStr, pass: pass, isActive: true))
+        let client = try await(request, sleep).0
+
+        clients.append(client)
+        try? await client.credentials.save()
+    }
+
+    private func reconnectAll() {
+        Task {
+            await withTaskGroup(of: Void.self) { taskGroup in
+                for client in clients {
+                    taskGroup.addTask {
+                        await client.connect()
+                    }
+                }
+            }
+        }
+    }
+}
+
+// MARK: - Manage Rosters
+extension ClientsStore {
+    func addRoster(_ credentials: Credentials, contactJID: String, name: String?, groups: [String]) async throws {
+        // check that roster exist in db as locally deleted and undelete it
+        let deletedLocally = await Roster.allDeletedLocally
+        if var roster = deletedLocally.first(where: { $0.contactBareJid == contactJID }) {
+            try await roster.setLocallyDeleted(false)
+            return
+        }
+
+        // add new roster
+        guard let client = client(for: credentials) else {
+            throw AppError.clientNotFound
+        }
+        try await client.addRoster(contactJID, name: name, groups: groups)
+    }
+
+    func deleteRoster(_ roster: Roster) async throws {
+        guard let client = clients.first(where: { $0.credentials.bareJid == roster.bareJid }) else {
+            throw AppError.clientNotFound
+        }
+        try await client.deleteRoster(roster)
+    }
+}
+
+extension ClientsStore {
+    func addRosterForNewChatIfNeeded(_ chat: Chat) async throws {
+        let exists = try? await chat.fetchRoster()
+        if exists == nil {
+            guard let client = clients.first(where: { $0.credentials.bareJid == chat.account }) else {
+                throw AppError.clientNotFound
+            }
+            try await addRoster(client.credentials, contactJID: chat.participant, name: nil, groups: [])
+        }
+    }
+}
+
+// MARK: - Produce stores for conversation
+extension ClientsStore {
+    func conversationStores(for roster: Roster) async throws -> (MessagesStore, AttachmentsStore) {
+        while !ready {
+            await Task.yield()
+        }
+
+        guard let client = clients.first(where: { $0.credentials.bareJid == roster.bareJid }) else {
+            throw AppError.clientNotFound
+        }
+
+        let conversationStore = MessagesStore(roster: roster, client: client)
+        let attachmentsStore = AttachmentsStore(roster: roster, client: client)
+        return (conversationStore, attachmentsStore)
+    }
+
+    func conversationStores(for chat: Chat) async throws -> (MessagesStore, AttachmentsStore) {
+        while !ready {
+            await Task.yield()
+        }
+
+        guard let client = clients.first(where: { $0.credentials.bareJid == chat.account }) else {
+            throw AppError.clientNotFound
+        }
+
+        let roster = try await chat.fetchRoster()
+        let conversationStore = MessagesStore(roster: roster, client: client)
+        let attachmentsStore = AttachmentsStore(roster: roster, client: client)
+        return (conversationStore, attachmentsStore)
+    }
+}
+
+// MARK: - Subscriptions
+private extension ClientsStore {
+    private func resubscribeRosters() {
+        let clientsJids = clients
+            .filter { $0.state != .disabled }
+            .map { $0.credentials.bareJid }
+
+        rostersCancellable = ValueObservation.tracking { db in
+            try Roster
+                .filter(clientsJids.contains(Column("bareJid")))
+                .filter(Column("locallyDeleted") == false)
+                .fetchAll(db)
+        }
+        .publisher(in: Database.shared.dbQueue)
+        .catch { _ in Just([]) }
+        .sink { [weak self] rosters in
+            self?.actualRosters = rosters
+        }
+    }
+
+    func resubscribeChats() {
+        let clientsJids = clients
+            .filter { $0.state != .disabled }
+            .map { $0.credentials.bareJid }
+
+        chatsCancellable = ValueObservation.tracking { db in
+            try Chat
+                .filter(clientsJids.contains(Column("account")))
+                .fetchAll(db)
+        }
+        .publisher(in: Database.shared.dbQueue)
+        .catch { _ in Just([]) }
+        .sink { [weak self] chats in
+            self?.actualChats = chats
+        }
+    }
+}

ConversationsClassic/AppData/Store/MessagesStore.swift

@@ -0,0 +1,149 @@
+import Combine
+import Foundation
+import GRDB
+import Martin
+
+@MainActor
+final class MessagesStore: ObservableObject {
+    @Published private(set) var messages: [Message] = []
+    @Published var replyText = ""
+
+    private(set) var roster: Roster
+    private let client: Client
+
+    private var messagesCancellable: AnyCancellable?
+    private let archiver = ArchiveMessageFetcher()
+
+    init(roster: Roster, client: Client) {
+        self.client = client
+        self.roster = roster
+        subscribe()
+    }
+}
+
+// MARK: - Send message
+extension MessagesStore {
+    func sendMessage(_ message: String) {
+        Task {
+            var msg = Message.blank
+            msg.from = roster.bareJid
+            msg.to = roster.contactBareJid
+            msg.body = message
+
+            // store as pending on db, and send
+            do {
+                try await msg.save()
+                try await client.sendMessage(msg)
+                try await msg.setStatus(.sent)
+            } catch {
+                try? await msg.setStatus(.error)
+            }
+        }
+    }
+
+    func sendContact(_ jidStr: String) {
+        sendMessage("contact:\(jidStr)")
+    }
+
+    func sendLocation(_ lat: Double, _ lon: Double) {
+        sendMessage("geo:\(lat),\(lon)")
+    }
+}
+
+// MARK: - Subscriptions
+private extension MessagesStore {
+    func subscribe() {
+        messagesCancellable = ValueObservation.tracking(Message
+            .filter(
+                (Column("to") == roster.bareJid && Column("from") == roster.contactBareJid) ||
+                    (Column("from") == roster.bareJid && Column("to") == roster.contactBareJid)
+            )
+            .order(Column("date").desc)
+            .fetchAll
+        )
+        .publisher(in: Database.shared.dbQueue, scheduling: .immediate)
+        .receive(on: DispatchQueue.main)
+        .sink { _ in
+        } receiveValue: { [weak self] messages in
+            guard let self else { return }
+            self.messages = messages
+            Task {
+                await self.archiver.initialFetch(messages, self.roster, self.client)
+            }
+        }
+    }
+}
+
+// MARK: - Archived messages
+extension MessagesStore {
+    func scrolledMessage(_ messageId: String) {
+        if messageId == messages.last?.id {
+            Task {
+                await archiver.fetchBackward(roster, client)
+            }
+        } else if messageId == messages.first?.id {
+            Task {
+                await archiver.fetchForward(roster, client)
+            }
+        }
+    }
+}
+
+private actor ArchiveMessageFetcher {
+    private var initFetchStarted = false
+    private var forwardRsm: RSM.Query?
+    private var backwardRsm: RSM.Query?
+    private var fetchInProgress = false
+
+    func initialFetch(_ messages: [Message], _ roster: Roster, _ client: Client) async {
+        if initFetchStarted { return }
+        initFetchStarted = true
+        fetchInProgress = true
+
+        do {
+            if let firstExistId = messages.first?.id {
+                let result = try await client.fetchArchiveMessages(for: roster, query: .init(before: firstExistId, max: Const.mamRequestPageSize))
+                result.complete ? forwardRsm = nil : (forwardRsm = .init(after: result.rsm?.last, max: Const.mamRequestPageSize))
+                result.complete ? backwardRsm = nil : (backwardRsm = .init(before: result.rsm?.first, max: Const.mamRequestPageSize))
+            } else {
+                let result = try await client.fetchArchiveMessages(for: roster, query: .init(lastItems: Const.mamRequestPageSize))
+                result.complete ? backwardRsm = nil : (backwardRsm = .init(before: result.rsm?.first, max: Const.mamRequestPageSize))
+            }
+        } catch {
+            logIt(.error, "Error requesting archived messages: \(error)")
+            initFetchStarted = false
+        }
+
+        fetchInProgress = false
+    }
+
+    func fetchForward(_ roster: Roster, _ client: Client) async {
+        while !initFetchStarted {
+            await Task.yield()
+        }
+        guard let rsm = forwardRsm else { return }
+        if fetchInProgress { return }
+
+        fetchInProgress = true
+        Task {
+            let result = try await client.fetchArchiveMessages(for: roster, query: rsm)
+            result.complete ? (forwardRsm = nil) : (forwardRsm = .init(after: result.rsm?.last, max: Const.mamRequestPageSize))
+            fetchInProgress = false
+        }
+    }
+
+    func fetchBackward(_ roster: Roster, _ client: Client) async {
+        while !initFetchStarted {
+            await Task.yield()
+        }
+        guard let rsm = backwardRsm else { return }
+        if fetchInProgress { return }
+
+        fetchInProgress = true
+        Task {
+            let result = try await client.fetchArchiveMessages(for: roster, query: rsm)
+            result.complete ? (backwardRsm = nil) : (backwardRsm = .init(before: result.rsm?.first, max: Const.mamRequestPageSize))
+            fetchInProgress = false
+        }
+    }
+}

ConversationsClassic/ConversationsClassicApp.swift

@@ -1,31 +1,21 @@
 import Combine
 import SwiftUI
 
-let appState = AppState()
-let store = AppStore(
-    initialState: appState,
-    reducer: AppState.reducer,
-    middlewares: [
-        loggerMiddleware(),
-        StartMiddleware.shared.middleware,
-        DatabaseMiddleware.shared.middleware,
-        AccountsMiddleware.shared.middleware,
-        XMPPMiddleware.shared.middleware,
-        RostersMiddleware.shared.middleware,
-        ChatsMiddleware.shared.middleware,
-        ArchivedMessagesMiddleware.shared.middleware,
-        ConversationMiddleware.shared.middleware,
-        SharingMiddleware.shared.middleware,
-        FileMiddleware.shared.middleware
-    ]
-)
-
 @main
+@MainActor
 struct ConversationsClassic: App {
+    private let clientsStore = ClientsStore.shared
+
+    init() {
+        // There's a bug on iOS 17 where sheet may not load with large title, even if modifiers are set, which causes some tests to fail
+        // https://stackoverflow.com/questions/77253122/swiftui-navigationstack-title-loads-inline-instead-of-large-when-sheet-is-pres
+        UINavigationBar.appearance().prefersLargeTitles = true
+    }
+
     var body: some Scene {
         WindowGroup {
-            BaseNavigationView()
+            RootView()
-                .environmentObject(store)
+                .environmentObject(clientsStore)
         }
     }
 }

ConversationsClassic/Helpers/AVAsset+Thumbnail.swift

@@ -0,0 +1,16 @@
+import AVFoundation
+import UIKit
+
+extension AVAsset {
+    func generateVideoThumbnail(_ size: CGSize) async throws -> UIImage {
+        try await Task {
+            let assetImgGenerate = AVAssetImageGenerator(asset: self)
+            assetImgGenerate.appliesPreferredTrackTransform = true
+            let time = CMTimeMakeWithSeconds(Float64(1), preferredTimescale: 600)
+            let cgImage = try assetImgGenerate.copyCGImage(at: time, actualTime: nil)
+            let image = UIImage(cgImage: cgImage)
+            let result = try await image.scaleAndCropImage(size)
+            return result
+        }.value
+    }
+}

ConversationsClassic/Helpers/Bool+Extensions.swift

@@ -1,7 +0,0 @@
-import Foundation
-
-extension Bool {
-    var intValue: Int {
-        self ? 1 : 0
-    }
-}

ConversationsClassic/Helpers/Const.swift

@@ -2,15 +2,6 @@ import Foundation
 import UIKit
 
 enum Const {
-    // // Network
-    // #if DEBUG
-    //     static let baseUrl = "staging.some.com/api"
-    // #else
-    //     static let baseUrl = "prod.some.com/api"
-    // #endif
-    // static let requestTimeout = 15.0
-    // static let networkLogging = true
-
     // App
     static var appVersion: String {
         let info = Bundle.main.infoDictionary
@@ -32,9 +23,6 @@ enum Const {
     // Limit for video for sharing
     static let videoDurationLimit = 60.0
 
-    // Upload/download file folder
-    static let fileFolder = "Downloads"
-
     // Grid size for gallery preview (3 in a row)
     static let galleryGridSize = UIScreen.main.bounds.width / 3
 
@@ -44,10 +32,20 @@ enum Const {
     // Size for attachment preview
     static let attachmentPreviewSize = UIScreen.main.bounds.width * 0.5
 
-    // Lenght in days for MAM request
+    // MAM request page size
-    static let mamRequestDaysLength = 30
+    static let mamRequestPageSize = 50
-
+}
-    // Limits for messages pagination
+
-    static let messagesPageMin = 20
+final class FolderWrapper {
-    static let messagesPageMax = 100
+    static let shared = FolderWrapper()
+    let fileFolder: URL
+    private init() {
+        // swiftlint:disable:next force_unwrapping
+        let documentsURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
+        let subdirectoryURL = documentsURL.appendingPathComponent("Downloads")
+        if !FileManager.default.fileExists(atPath: subdirectoryURL.path) {
+            try? FileManager.default.createDirectory(at: subdirectoryURL, withIntermediateDirectories: true, attributes: nil)
+        }
+        fileFolder = subdirectoryURL
+    }
 }

ConversationsClassic/Helpers/PHImageManager+Fetch.swift

@@ -0,0 +1,43 @@
+import Photos
+import UIKit
+
+extension PHImageManager {
+    func getPhoto(for asset: PHAsset) async throws -> UIImage {
+        let options = PHImageRequestOptions()
+        options.version = .original
+        options.isSynchronous = true
+        return try await withCheckedThrowingContinuation { continuation in
+            requestImage(
+                for: asset,
+                targetSize: PHImageManagerMaximumSize,
+                contentMode: .aspectFill,
+                options: options
+            ) { image, _ in
+                if let image {
+                    continuation.resume(returning: image)
+                } else {
+                    continuation.resume(throwing: AppError.imageNotFound)
+                }
+            }
+        }
+    }
+
+    func getVideo(for asset: PHAsset) async throws -> AVAsset {
+        let options = PHVideoRequestOptions()
+        options.version = .original
+        options.deliveryMode = .highQualityFormat
+        options.isNetworkAccessAllowed = true
+        return try await withCheckedThrowingContinuation { continuation in
+            requestAVAsset(
+                forVideo: asset,
+                options: options
+            ) { avAsset, _, _ in
+                if let avAsset {
+                    continuation.resume(returning: avAsset)
+                } else {
+                    continuation.resume(throwing: AppError.videoNotFound)
+                }
+            }
+        }
+    }
+}

ConversationsClassic/Helpers/Set+Extensions.swift

@@ -1,26 +0,0 @@
-import Foundation
-
-class ThreadSafeSet<T: Hashable> {
-    private var set: Set<T> = []
-    private let accessQueue = DispatchQueue(label: "com.example.ThreadSafeSet")
-
-    func insert(_ newElement: T) {
-        _ = accessQueue.sync {
-            set.insert(newElement)
-        }
-    }
-
-    func remove(_ element: T) {
-        _ = accessQueue.sync {
-            set.remove(element)
-        }
-    }
-
-    var elements: Set<T> {
-        accessQueue.sync { set }
-    }
-
-    func contains(_ element: T) -> Bool {
-        accessQueue.sync { set.contains(element) }
-    }
-}

ConversationsClassic/Helpers/String+Extensions.swift

@@ -37,12 +37,12 @@ extension String {
 }
 
 extension String {
-    var attachmentType: MessageAttachmentType {
+    var attachmentType: AttachmentType {
         let ext = (self as NSString).pathExtension.lowercased()
 
         switch ext {
         case "mov", "mp4", "avi":
-            return .movie
+            return .video
 
         case "jpg", "png", "gif":
             return .image

ConversationsClassic/Helpers/UIImage+Crop.swift

@@ -0,0 +1,30 @@
+import Foundation
+import UIKit
+
+extension UIImage {
+    func scaleAndCropImage(_ size: CGSize) async throws -> UIImage {
+        try await Task {
+            let aspect = self.size.width / self.size.height
+            let targetAspect = size.width / size.height
+            var newWidth: CGFloat
+            var newHeight: CGFloat
+            if aspect < targetAspect {
+                newWidth = size.width
+                newHeight = size.width / aspect
+            } else {
+                newHeight = size.height
+                newWidth = size.height * aspect
+            }
+
+            UIGraphicsBeginImageContextWithOptions(size, false, 0.0)
+            self.draw(in: CGRect(x: (size.width - newWidth) / 2, y: (size.height - newHeight) / 2, width: newWidth, height: newHeight))
+            let newImage = UIGraphicsGetImageFromCurrentImageContext()
+            UIGraphicsEndImageContext()
+            if let newImage = newImage {
+                return newImage
+            } else {
+                throw NSError(domain: "UIImage", code: -900, userInfo: nil)
+            }
+        }.value
+    }
+}

ConversationsClassic/Helpers/View+Flip.swift

@@ -0,0 +1,15 @@
+import SwiftUI
+
+struct FlipView: ViewModifier {
+    func body(content: Content) -> some View {
+        content
+            .rotationEffect(.radians(Double.pi))
+            .scaleEffect(x: -1, y: 1, anchor: .center)
+    }
+}
+
+extension View {
+    func flip() -> some View {
+        modifier(FlipView())
+    }
+}

ConversationsClassic/Resources/Strings/Localizable.strings

@@ -5,64 +5,50 @@
 "Global.cancel" = "Cancel";
 "Global.save" = "Save";
 "Global.Error.title" = "Error";
-"Global.Error.genericText" = "Something went wrong";
-"Global.Error.genericDbError" = "Database error";
 
-// MARK: Onboar screen
+// MARK: Welcome screen
 "Start.subtitle" = "Free and secure messaging and calls between any existed messengers";
 "Start.Btn.login" = "Enter with JID";
 "Start.Btn.register" = "New Account";
+
+// MARK: Login
 "Login.title" = "Let\'s go!";
 "Login.subtitle" = "Enter your JID, it should looks like email address";
 "Login.Hint.jid" = "user@domain.im";
 "Login.Hint.password" = "password";
 "Login.btn" = "Continue";
-"Login.Error.wrongPassword" = "Wrong password or JID";
+"Login.error" = "Check internet connection, and make sure that JID and password are correct";
-"Login.Error.noServer" = "Server not exists";
+
-"Login.Error.serverError" = "Server error. Check internet connection";
+// MARK: Tabs
+"Tabs.Name.contacts" = "Contacts";
+"Tabs.Name.conversations" = "Chats";
+"Tabs.Name.settings" = "Settings";
 
 // MARK: Contacts screen
 "Contacts.title" = "Contacts";
+
+
+// MARK: Add contact/channel screen
+"Contacts.Add.title" = "Add Contact";
+"Contacts.Add.explanation" = "Contact or group/channel name are usually JID in format name@domain.ltd (like email)";
+"Contacts.Add.serverError" = "Contact adding dailed. Server returned error";
+"Contacts.deleteContact" = "Delete contact";
+"Contacts.Delete.deleteFromDevice" = "Delete from device";
+"Contacts.Delete.deleteCompletely" = "Delete completely";
 "Contacts.sendMessage" = "Send message";
 "Contacts.editContact" = "Edit contact";
 "Contacts.selectContact" = "Select contact";
-"Contacts.deleteContact" = "Delete contact";
-"Contacts.Add.title" = "Add Contact";
-"Contacts.Add.explanation" = "Contact or group/channel name are usually JID in format name@domain.ltd (like email)";
-"Contacts.Add.error" = "Contact not added. Server returns error.";
-"Contacts.Delete.title" = "Delete contact";
 "Contacts.Delete.message" = "You can delete contact from this device (contact will be available on other devices), or delete it completely";
-"Contacts.Delete.deleteFromDevice" = "Delete from device";
-"Contacts.Delete.deleteCompletely" = "Delete completely";
 "Contacts.Delete.error" = "Contact not deleted. Server returns error.";
 
-
+// MARK: Chats list screen
-// MARK: Chats screen
+"ChatsList.title" = "Chats";
-"Chats.title" = "Chats";
-
-"Chat.title" = "Chat";
-"Chat.textfieldPrompt" = "Type a message";
-
 "Chats.Create.Main.title" = "Create";
-"Chats.Create.Main.createGroup" = "Create public group";
-"Chats.Create.Main.createPrivateGroup" = "Create private group";
-"Chats.Create.Main.findGroup" = "Find public group";
 
-// MARK: Accounts add screen
+// MARK: Conversation
-"Accounts.Add.or" = "or";
+"Conversation.title" = "Conversation";
-"Accounts.Add.Exist.title" = "Add existing\naccount";
+"Conversation.startError" = "Error occurs in conversation starting";
-"Accounts.Add.Exist.Prompt.jid" = "Enter your XMPP ID";
+"Chat.textfieldPrompt" = "Type a message";
-"Accounts.Add.Exist.Prompt.password" = "Enter password";
-"Accounts.Add.Exist.Hint.jid" = "user@domain.im";
-"Accounts.Add.Exist.Hint.password" = "password";
-"Accounts.Add.Exist.Btn.link" = "create a new one";
-"Accounts.Add.Exist.Btn.main" = "Continue";
-"Accounts.Add.Exist.loginError" = "Wrong login or password";
-
-// MARK: Server connecting indicator
-"ServerConnectingIndicator.State.connecting" = "Connecting to server";
-"ServerConnectingIndicator.State.connected" = "Connected";
-"ServerConnectingIndicator.State.error" = "Server unreachable. Check internet connection and server name";
 
 // MARK: Attachments
 "Attachment.Prompt.main" = "Select attachment";
@@ -74,3 +60,16 @@
 "Attachment.Send.location" = "Send location";
 "Attachment.Send.contact" = "Send contact";
 "Attachment.Downloading.retry" = "Retry";
+
+
+
+
+
+
+
+//"Chats.Create.Main.createGroup" = "Create public group";
+//"Chats.Create.Main.createPrivateGroup" = "Create private group";
+//"Chats.Create.Main.findGroup" = "Find public group";
+
+
+

ConversationsClassic/View/BaseNavigationView.swift

@@ -1,39 +0,0 @@
-import Martin
-import SwiftUI
-
-struct BaseNavigationView: View {
-    @EnvironmentObject var store: AppStore
-
-    public var body: some View {
-        Group {
-            switch store.state.currentFlow {
-            case .start:
-                switch store.state.startState.navigation {
-                case .startScreen:
-                    StartScreen()
-
-                case .welcomeScreen:
-                    WelcomeScreen()
-                }
-
-            case .accounts:
-                switch store.state.accountsState.navigation {
-                case .addAccount:
-                    AddAccountScreen()
-                }
-
-            case .chats:
-                ChatsListScreen()
-
-            case .contacts:
-                ContactsScreen()
-
-            case .settings:
-                SettingsScreen()
-
-            case .conversation:
-                ConversationScreen()
-            }
-        }
-    }
-}

ConversationsClassic/View/Entering/LoginScreen.swift

@@ -2,8 +2,9 @@ import Combine
 import Martin
 import SwiftUI
 
-struct AddAccountScreen: View {
+struct LoginScreen: View {
-    @EnvironmentObject var store: AppStore
+    @Environment(\.router) var router
+    @EnvironmentObject var clientsStore: ClientsStore
 
     enum Field {
         case userJid
@@ -11,9 +12,6 @@ struct AddAccountScreen: View {
     }
 
     @FocusState private var focus: Field?
-    @State private var errorMsg: String = ""
-    @State private var isShowingAlert = false
-    @State private var isShowingLoader = false
 
     #if DEBUG
         @State private var jidStr: String = "nartest1@conversations.im"
@@ -77,8 +75,12 @@ struct AddAccountScreen: View {
                     )
 
                     Button {
-                        isShowingLoader = true
+                        router.showModal {
-                        store.dispatch(.accountsAction(.tryAddAccountWithCredentials(login: jidStr, password: pass)))
+                            LoadingScreen()
+                        }
+                        Task(priority: .background) {
+                            await tryLogin()
+                        }
                     } label: {
                         Text(L10n.Login.btn)
                     }
@@ -86,8 +88,7 @@ struct AddAccountScreen: View {
                     .disabled(!loginInputValid)
 
                     Button {
-                        store.dispatch(.startAction(.goTo(.welcomeScreen)))
+                        router.dismissScreen()
-                        store.dispatch(.changeFlow(.start))
                     } label: {
                         Text("\(Image(systemName: "chevron.left")) \(L10n.Global.back)")
                             .foregroundColor(.Material.Elements.active)
@@ -97,26 +98,27 @@ struct AddAccountScreen: View {
             }
             .padding(.horizontal, 32)
         }
-        .loadingIndicator(isShowingLoader)
-        .alert(isPresented: $isShowingAlert) {
-            Alert(
-                title: Text(L10n.Global.Error.title),
-                message: Text(errorMsg),
-                dismissButton: .default(Text(L10n.Global.ok)) {
-                    store.dispatch(.accountsAction(.addAccountError(jid: jidStr, reason: nil)))
-                }
-            )
-        }
-        .onChange(of: store.state.accountsState.addAccountError) { err in
-            if let err {
-                isShowingLoader = false
-                isShowingAlert = true
-                errorMsg = err
-            }
-        }
     }
 
     private var loginInputValid: Bool {
         !jidStr.isEmpty && !pass.isEmpty && UniversalInputCollection.Validators.isEmail(jidStr)
     }
+
+    private func tryLogin() async {
+        defer {
+            router.dismissModal()
+        }
+
+        do {
+            try await clientsStore.tryLogin(jidStr, pass)
+        } catch {
+            router.showAlert(
+                .alert,
+                title: L10n.Global.Error.title,
+                subtitle: L10n.Login.error
+            ) {
+                Button(L10n.Global.ok, role: .cancel) {}
+            }
+        }
+    }
 }

ConversationsClassic/View/Entering/RegistrationScreen.swift

@@ -1,13 +1,13 @@
 import SwiftUI
 
 struct RegistrationScreen: View {
-    // @EnvironmentObject var state: AppState
+    @Environment(\.router) var router
 
     public var body: some View {
         ZStack {
             Color.Material.Background.light
             Button {
-                // state.flow = .welcome
+                router.dismissScreen()
             } label: {
                 VStack {
                     Text("Not yet implemented")

ConversationsClassic/View/Entering/WelcomeScreen.swift

@@ -1,9 +1,9 @@
 import SwiftUI
 
 struct WelcomeScreen: View {
-    @EnvironmentObject var store: AppStore
+    @Environment(\.router) var router
 
-    public var body: some View {
+    var body: some View {
         ZStack {
             // background
             Color.Material.Background.light
@@ -33,14 +33,19 @@ struct WelcomeScreen: View {
                 // buttons
                 VStack(spacing: 16) {
                     Button {
-                        store.dispatch(.accountsAction(.goTo(.addAccount)))
+                        router.showScreen(.push) { _ in
-                        store.dispatch(.changeFlow(.accounts))
+                            LoginScreen()
+                                .navigationBarBackButtonHidden(true)
+                        }
                     } label: {
                         Text(L10n.Start.Btn.login)
                     }
                     .buttonStyle(SecondaryButtonStyle())
                     Button {
-                        // state.flow = .registration
+                        router.showScreen(.push) { _ in
+                            RegistrationScreen()
+                                .navigationBarBackButtonHidden(true)
+                        }
                     } label: {
                         Text(L10n.Start.Btn.register)
                     }

ConversationsClassic/View/Main/ChatList/ChatsCreateScreenMain.swift

@@ -1,7 +1,7 @@
 import SwiftUI
 
-struct ChatsCreateMainScreen: View {
+struct ChatsCreateScreenMain: View {
-    @Binding var isPresented: Bool
+    @Environment(\.router) var router
 
     var body: some View {
         ZStack {
@@ -16,7 +16,7 @@ struct ChatsCreateMainScreen: View {
                     leftButton: .init(
                         image: Image(systemName: "xmark"),
                         action: {
-                            isPresented = false
+                            router.dismissScreen()
                         }
                     ),
                     centerText: .init(text: L10n.Chats.Create.Main.title)
@@ -24,6 +24,7 @@ struct ChatsCreateMainScreen: View {
 
                 // List
                 List {
+                    Text("test")
                     // ChatsCreateRowButton(
                     //     title: L10n.Chats.Create.Main.createGroup,
                     //     image: "person.2.fill",
@@ -41,10 +42,10 @@ struct ChatsCreateMainScreen: View {
                     // )
 
                     // for contacts list
-                    let rosters = store.state.rostersState.rosters.filter { !$0.locallyDeleted }
+                    // let rosters = store.state.rostersState.rosters.filter { !$0.locallyDeleted }
-                    if rosters.isEmpty {
+                    // if rosters.isEmpty {
-                        ChatsCreateRowSeparator()
+                    //     ChatsCreateRowSeparator()
-                    }
+                    // }
                 }
                 .listStyle(.plain)
 
@@ -157,26 +158,26 @@ private struct ChatsCreateRowSeparator: View {
 //
 
 // Preview
-#if DEBUG
+// #if DEBUG
-    struct ChatsCreateMainScreen_Previews: PreviewProvider {
+//     struct ChatsCreateMainScreen_Previews: PreviewProvider {
-        static var previews: some View {
+//         static var previews: some View {
-            ChatsCreateMainScreen(isPresented: .constant(true))
+//             ChatsCreateMainScreen(isPresented: .constant(true))
-                .environmentObject(pStore)
+//                 .environmentObject(pStore)
-        }
+//         }
-
+//
-        static var pStore: AppStore {
+//         static var pStore: AppStore {
-            let state = pState
+//             let state = pState
-            return AppStore(initialState: state, reducer: AppState.reducer, middlewares: [])
+//             return AppStore(initialState: state, reducer: AppState.reducer, middlewares: [])
-        }
+//         }
-
+//
-        static var pState: AppState {
+//         static var pState: AppState {
-            var state = AppState()
+//             var state = AppState()
-
+//
-            state.rostersState.rosters = [
+//             state.rostersState.rosters = [
-                .init(contactBareJid: "test@me.com", subscription: "both", ask: true, data: .init(groups: [], annotations: []))
+//                 .init(contactBareJid: "test@me.com", subscription: "both", ask: true, data: .init(groups: [], annotations: []))
-            ]
+//             ]
-
+//
-            return state
+//             return state
-        }
+//         }
-    }
+//     }
-#endif
+// #endif