71 lines
2.4 KiB
Swift
71 lines
2.4 KiB
Swift
//
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// Copyright 2022-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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import Combine
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import SwiftUI
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typealias ThreadTimelineScreenViewModelType = StateStoreViewModel<ThreadTimelineScreenViewState, ThreadTimelineScreenViewAction>
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class ThreadTimelineScreenViewModel: ThreadTimelineScreenViewModelType, ThreadTimelineScreenViewModelProtocol {
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private let roomProxy: JoinedRoomProxyProtocol
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private let actionsSubject: PassthroughSubject<ThreadTimelineScreenViewModelAction, Never> = .init()
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var actionsPublisher: AnyPublisher<ThreadTimelineScreenViewModelAction, Never> {
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actionsSubject.eraseToAnyPublisher()
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}
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init(roomProxy: JoinedRoomProxyProtocol) {
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self.roomProxy = roomProxy
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super.init(initialViewState: ThreadTimelineScreenViewState())
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Task { [weak self] in
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for await roomInfo in roomProxy.infoPublisher.receive(on: DispatchQueue.main).values {
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guard !Task.isCancelled else {
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return
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}
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await self?.handleRoomInfoUpdate(roomInfo)
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}
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}
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.store(in: &cancellables)
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Task {
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await handleRoomInfoUpdate(roomProxy.infoPublisher.value)
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}
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}
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// MARK: - Public
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override func process(viewAction: ThreadTimelineScreenViewAction) { }
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func stop() {
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// Work around QLPreviewController dismissal issues, see the InteractiveQuickLookModifier.
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state.bindings.mediaPreviewViewModel = nil
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}
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func displayMediaPreview(_ mediaPreviewViewModel: TimelineMediaPreviewViewModel) {
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mediaPreviewViewModel.actions.sink { [weak self] action in
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switch action {
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case .viewInRoomTimeline:
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fatalError("viewInRoomTimeline should not be visible on a thread preview.")
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case .dismiss:
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self?.state.bindings.mediaPreviewViewModel = nil
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}
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}
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.store(in: &cancellables)
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state.bindings.mediaPreviewViewModel = mediaPreviewViewModel
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}
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// MARK: - Private
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private func handleRoomInfoUpdate(_ roomInfo: RoomInfoProxy) async {
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state.canSendMessage = await (try? roomProxy.canUser(userID: roomProxy.ownUserID, sendMessage: .roomMessage).get()) == true
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}
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}
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