418 lines
17 KiB
Swift
418 lines
17 KiB
Swift
//
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// ComposeViewModel.swift
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// MastodonShareAction
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//
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// Created by MainasuK Cirno on 2021-7-16.
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//
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import os.log
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import Foundation
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import Combine
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import CoreData
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import CoreDataStack
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import MastodonSDK
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import MastodonUI
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import SwiftUI
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import UniformTypeIdentifiers
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import MastodonAsset
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import MastodonLocalization
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import MastodonUI
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import MastodonCore
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final class ComposeViewModel {
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let logger = Logger(subsystem: "ComposeViewModel", category: "ViewModel")
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var disposeBag = Set<AnyCancellable>()
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static let composeContentLimit: Int = 500
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// input
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let context: AppContext
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// private var coreDataStack: CoreDataStack?
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// var managedObjectContext: NSManagedObjectContext?
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// var api: APIService?
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//
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// var inputItems = CurrentValueSubject<[NSExtensionItem], Never>([])
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// let viewDidAppear = CurrentValueSubject<Bool, Never>(false)
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// let traitCollectionDidChangePublisher = CurrentValueSubject<Void, Never>(Void()) // use CurrentValueSubject to make initial event emit
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// let selectedStatusVisibility = CurrentValueSubject<ComposeToolbarView.VisibilitySelectionType, Never>(.public)
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//
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// // output
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// let authentication = CurrentValueSubject<Result<MastodonAuthentication, Error>?, Never>(nil)
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// let isFetchAuthentication = CurrentValueSubject<Bool, Never>(true)
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// let isPublishing = CurrentValueSubject<Bool, Never>(false)
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// let isBusy = CurrentValueSubject<Bool, Never>(true)
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// let isValid = CurrentValueSubject<Bool, Never>(false)
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// let shouldDismiss = CurrentValueSubject<Bool, Never>(true)
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// let composeViewModel = ComposeViewModel()
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// let characterCount = CurrentValueSubject<Int, Never>(0)
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init(context: AppContext) {
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self.context = context
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// end init
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// viewDidAppear.receive(on: DispatchQueue.main)
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// .removeDuplicates()
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// .sink { [weak self] viewDidAppear in
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// guard let self = self else { return }
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// guard viewDidAppear else { return }
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// self.setupCoreData()
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// }
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// .store(in: &disposeBag)
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//
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// Publishers.CombineLatest(
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// inputItems.removeDuplicates(),
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// viewDidAppear.removeDuplicates()
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// )
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// .receive(on: DispatchQueue.main)
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// .sink { [weak self] inputItems, _ in
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// guard let self = self else { return }
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// self.parse(inputItems: inputItems)
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// }
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// .store(in: &disposeBag)
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//
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// // bind authentication loading state
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// authentication
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// .map { result in result == nil }
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// .assign(to: \.value, on: isFetchAuthentication)
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// .store(in: &disposeBag)
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//
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// // bind user locked state
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// authentication
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// .compactMap { result -> Bool? in
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// guard let result = result else { return nil }
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// switch result {
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// case .success(let authentication):
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// return authentication.user.locked
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// case .failure:
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// return nil
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// }
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// }
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// .map { locked -> ComposeToolbarView.VisibilitySelectionType in
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// locked ? .private : .public
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// }
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// .assign(to: \.value, on: selectedStatusVisibility)
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// .store(in: &disposeBag)
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//
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// // bind author
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// authentication
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// .receive(on: DispatchQueue.main)
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// .sink { [weak self] result in
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// guard let self = self else { return }
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// guard let result = result else { return }
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// switch result {
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// case .success(let authentication):
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// self.composeViewModel.avatarImageURL = authentication.user.avatarImageURL()
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// self.composeViewModel.authorName = authentication.user.displayNameWithFallback
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// self.composeViewModel.authorUsername = "@" + authentication.user.username
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// case .failure:
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// self.composeViewModel.avatarImageURL = nil
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// self.composeViewModel.authorName = " "
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// self.composeViewModel.authorUsername = " "
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// }
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// }
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// .store(in: &disposeBag)
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//
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// // bind authentication to compose view model
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// authentication
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// .map { result -> MastodonAuthentication? in
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// guard let result = result else { return nil }
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// switch result {
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// case .success(let authentication):
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// return authentication
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// case .failure:
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// return nil
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// }
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// }
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// .assign(to: &composeViewModel.$authentication)
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//
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// // bind isBusy
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// Publishers.CombineLatest(
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// isFetchAuthentication,
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// isPublishing
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// )
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// .receive(on: DispatchQueue.main)
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// .map { $0 || $1 }
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// .assign(to: \.value, on: isBusy)
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// .store(in: &disposeBag)
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//
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// // pass initial i18n string
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// composeViewModel.statusPlaceholder = L10n.Scene.Compose.contentInputPlaceholder
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// composeViewModel.contentWarningPlaceholder = L10n.Scene.Compose.ContentWarning.placeholder
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// composeViewModel.toolbarHeight = ComposeToolbarView.toolbarHeight
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//
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// // bind compose bar button item UI state
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// let isComposeContentEmpty = composeViewModel.$statusContent
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// .map { $0.isEmpty }
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//
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// isComposeContentEmpty
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// .assign(to: \.value, on: shouldDismiss)
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// .store(in: &disposeBag)
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//
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// let isComposeContentValid = composeViewModel.$characterCount
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// .map { characterCount -> Bool in
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// return characterCount <= ShareViewModel.composeContentLimit
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// }
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// let isMediaEmpty = composeViewModel.$attachmentViewModels
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// .map { $0.isEmpty }
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// let isMediaUploadAllSuccess = composeViewModel.$attachmentViewModels
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// .map { viewModels in
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// viewModels.allSatisfy { $0.uploadStateMachineSubject.value is StatusAttachmentViewModel.UploadState.Finish }
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// }
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//
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// let isPublishBarButtonItemEnabledPrecondition1 = Publishers.CombineLatest4(
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// isComposeContentEmpty,
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// isComposeContentValid,
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// isMediaEmpty,
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// isMediaUploadAllSuccess
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// )
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// .map { isComposeContentEmpty, isComposeContentValid, isMediaEmpty, isMediaUploadAllSuccess -> Bool in
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// if isMediaEmpty {
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// return isComposeContentValid && !isComposeContentEmpty
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// } else {
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// return isComposeContentValid && isMediaUploadAllSuccess
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// }
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// }
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// .eraseToAnyPublisher()
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//
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// let isPublishBarButtonItemEnabledPrecondition2 = Publishers.CombineLatest(
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// isComposeContentEmpty,
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// isComposeContentValid
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// )
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// .map { isComposeContentEmpty, isComposeContentValid -> Bool in
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// return isComposeContentValid && !isComposeContentEmpty
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// }
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// .eraseToAnyPublisher()
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//
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// Publishers.CombineLatest(
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// isPublishBarButtonItemEnabledPrecondition1,
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// isPublishBarButtonItemEnabledPrecondition2
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// )
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// .map { $0 && $1 }
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// .assign(to: \.value, on: isValid)
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// .store(in: &disposeBag)
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//
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// // bind counter
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// composeViewModel.$characterCount
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// .assign(to: \.value, on: characterCount)
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// .store(in: &disposeBag)
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//
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// // setup theme
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// setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
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// ThemeService.shared.currentTheme
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// .receive(on: DispatchQueue.main)
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// .sink { [weak self] theme in
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// guard let self = self else { return }
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// self.setupBackgroundColor(theme: theme)
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// }
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// .store(in: &disposeBag)
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}
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private func setupBackgroundColor(theme: Theme) {
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// composeViewModel.contentWarningBackgroundColor = Color(theme.contentWarningOverlayBackgroundColor)
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}
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}
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//extension ShareViewModel {
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// enum ShareError: Error {
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// case `internal`(error: Error)
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// case userCancelShare
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// case missingAuthentication
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// }
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//}
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extension ComposeViewModel {
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// private func setupCoreData() {
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// logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
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// DispatchQueue.global().async {
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// let _coreDataStack = CoreDataStack()
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// self.coreDataStack = _coreDataStack
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// self.managedObjectContext = _coreDataStack.persistentContainer.viewContext
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//
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// _coreDataStack.didFinishLoad
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// .receive(on: RunLoop.main)
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// .sink { [weak self] didFinishLoad in
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// guard let self = self else { return }
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// guard didFinishLoad else { return }
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// guard let managedObjectContext = self.managedObjectContext else { return }
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//
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//
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// self.api = APIService(backgroundManagedObjectContext: _coreDataStack.newTaskContext())
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//
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// self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): fetch authentication…")
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// managedObjectContext.perform {
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// do {
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// let request = MastodonAuthentication.sortedFetchRequest
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// let authentications = try managedObjectContext.fetch(request)
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// let authentication = authentications.sorted(by: { $0.activedAt > $1.activedAt }).first
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// guard let activeAuthentication = authentication else {
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// self.authentication.value = .failure(ShareError.missingAuthentication)
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// return
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// }
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// self.authentication.value = .success(activeAuthentication)
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// self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): fetch authentication success \(activeAuthentication.userID)")
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// } catch {
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// self.authentication.value = .failure(ShareError.internal(error: error))
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// self.logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): fetch authentication fail \(error.localizedDescription)")
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// assertionFailure(error.localizedDescription)
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// }
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// }
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// }
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// .store(in: &self.disposeBag)
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// }
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// }
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}
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//extension ShareViewModel {
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// func parse(inputItems: [NSExtensionItem]) {
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// var itemProviders: [NSItemProvider] = []
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//
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// for item in inputItems {
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// itemProviders.append(contentsOf: item.attachments ?? [])
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// }
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//
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// let _textProvider = itemProviders.first { provider in
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// return provider.hasRepresentationConforming(toTypeIdentifier: UTType.plainText.identifier, fileOptions: [])
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// }
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//
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// let _urlProvider = itemProviders.first { provider in
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// return provider.hasRepresentationConforming(toTypeIdentifier: UTType.url.identifier, fileOptions: [])
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// }
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//
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// let _movieProvider = itemProviders.first { provider in
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// return provider.hasRepresentationConforming(toTypeIdentifier: UTType.movie.identifier, fileOptions: [])
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// }
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//
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// let imageProviders = itemProviders.filter { provider in
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// return provider.hasRepresentationConforming(toTypeIdentifier: UTType.image.identifier, fileOptions: [])
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// }
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//
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// Task { @MainActor in
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// async let text = ShareViewModel.loadText(textProvider: _textProvider)
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// async let url = ShareViewModel.loadURL(textProvider: _urlProvider)
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//
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// let content = await [text, url]
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// .compactMap { $0 }
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// .joined(separator: " ")
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// self.composeViewModel.statusContent = content
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// }
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//
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// guard let api = self.api else { return }
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//
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// if let movieProvider = _movieProvider {
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// composeViewModel.setupAttachmentViewModels([
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// StatusAttachmentViewModel(api: api, itemProvider: movieProvider)
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// ])
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// } else if !imageProviders.isEmpty {
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// let viewModels = imageProviders.map { provider in
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// StatusAttachmentViewModel(api: api, itemProvider: provider)
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// }
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// composeViewModel.setupAttachmentViewModels(viewModels)
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// }
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//
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// }
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//
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// private static func loadText(textProvider: NSItemProvider?) async -> String? {
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// guard let textProvider = textProvider else { return nil }
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// do {
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// let item = try await textProvider.loadItem(forTypeIdentifier: UTType.plainText.identifier)
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// guard let text = item as? String else { return nil }
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// return text
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// } catch {
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// return nil
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// }
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// }
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//
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// private static func loadURL(textProvider: NSItemProvider?) async -> String? {
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// guard let textProvider = textProvider else { return nil }
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// do {
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// let item = try await textProvider.loadItem(forTypeIdentifier: UTType.url.identifier)
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// guard let url = item as? URL else { return nil }
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// return url.absoluteString
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// } catch {
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// return nil
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// }
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// }
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//
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//}
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//
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//extension ShareViewModel {
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// func publish() -> AnyPublisher<Mastodon.Response.Content<Mastodon.Entity.Status>, Error> {
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// guard let authentication = composeViewModel.authentication,
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// let api = self.api
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// else {
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// return Fail(error: APIService.APIError.implicit(.authenticationMissing)).eraseToAnyPublisher()
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// }
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// let authenticationBox = MastodonAuthenticationBox(
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// authenticationRecord: .init(objectID: authentication.objectID),
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// domain: authentication.domain,
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// userID: authentication.userID,
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// appAuthorization: Mastodon.API.OAuth.Authorization(accessToken: authentication.appAccessToken),
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// userAuthorization: Mastodon.API.OAuth.Authorization(accessToken: authentication.userAccessToken)
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// )
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//
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// let domain = authentication.domain
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// let attachmentViewModels = composeViewModel.attachmentViewModels
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// let mediaIDs = attachmentViewModels.compactMap { viewModel in
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// viewModel.attachment.value?.id
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// }
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// let sensitive: Bool = composeViewModel.isContentWarningComposing
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// let spoilerText: String? = {
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// let text = composeViewModel.contentWarningContent
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// guard !text.isEmpty else { return nil }
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// return text
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// }()
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// let visibility = selectedStatusVisibility.value.visibility
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//
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// let updateMediaQuerySubscriptions: [AnyPublisher<Mastodon.Response.Content<Mastodon.Entity.Attachment>, Error>] = {
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// var subscriptions: [AnyPublisher<Mastodon.Response.Content<Mastodon.Entity.Attachment>, Error>] = []
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// for attachmentViewModel in attachmentViewModels {
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// guard let attachmentID = attachmentViewModel.attachment.value?.id else { continue }
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// let description = attachmentViewModel.descriptionContent.trimmingCharacters(in: .whitespacesAndNewlines)
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// guard !description.isEmpty else { continue }
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// let query = Mastodon.API.Media.UpdateMediaQuery(
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// file: nil,
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// thumbnail: nil,
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// description: description,
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// focus: nil
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// )
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// let subscription = api.updateMedia(
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// domain: domain,
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// attachmentID: attachmentID,
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// query: query,
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// mastodonAuthenticationBox: authenticationBox
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// )
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// subscriptions.append(subscription)
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// }
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// return subscriptions
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// }()
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//
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// let status = composeViewModel.statusContent
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//
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// return Publishers.MergeMany(updateMediaQuerySubscriptions)
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// .collect()
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// .asyncMap { attachments in
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// let query = Mastodon.API.Statuses.PublishStatusQuery(
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// status: status,
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// mediaIDs: mediaIDs.isEmpty ? nil : mediaIDs,
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// pollOptions: nil,
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// pollExpiresIn: nil,
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// inReplyToID: nil,
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// sensitive: sensitive,
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// spoilerText: spoilerText,
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// visibility: visibility
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// )
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// return try await api.publishStatus(
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// domain: domain,
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// idempotencyKey: nil, // FIXME:
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// query: query,
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// authenticationBox: authenticationBox
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// )
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// }
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// .eraseToAnyPublisher()
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// }
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//}
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