conversations-classic-ios/ConversationsClassic/AppData/Store/ConversationStore.swift
2024-08-18 11:17:58 +02:00

144 lines
4.4 KiB
Swift

import AVFoundation
import Combine
import Foundation
import GRDB
import Photos
@MainActor
final class ConversationStore: ObservableObject {
@Published private(set) var messages: [Message] = []
@Published var replyText = ""
private(set) var roster: Roster
private let client: Client
private var messagesCancellable: AnyCancellable?
init(roster: Roster, client: Client) {
self.client = client
self.roster = roster
subscribe()
}
}
extension ConversationStore {
func sendMessage(_ message: String) async {
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) async {
await sendMessage("contact:\(jidStr)")
}
func sendLocation(_ lat: Double, _ lon: Double) async {
await sendMessage("geo:\(lat),\(lon)")
}
private func upload(_ message: Message) async {
do {
try await message.setStatus(.pending)
var message = message
guard case .attachment(let attachment) = message.contentType else {
throw ClientStoreError.invalidContentType
}
guard let localName = attachment.localPath else {
throw ClientStoreError.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)
try await message.setStatus(.sent)
} catch {
try? await message.setStatus(.error)
}
}
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 = Const.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
)
)
try await message.save()
} catch {
logIt(.error, "Can't download attachment: \(error)")
}
}
}
extension ConversationStore {
var contacts: [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 []
}
}
}
}
private extension ConversationStore {
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
self?.messages = messages
}
}
}