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