83f2df6cee
* implemented focussing a threaded event through the banner tap * view in timeline implementation for threaded events * added a test and improved the existing one * pr suggestions * put the logic for fetching the event in the view models
91 lines
3.7 KiB
Swift
91 lines
3.7 KiB
Swift
//
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// Copyright 2025 Element Creations Ltd.
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// Copyright 2022-2025 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 PinnedEventsTimelineScreenViewModelType = StateStoreViewModel<PinnedEventsTimelineScreenViewState, PinnedEventsTimelineScreenViewAction>
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class PinnedEventsTimelineScreenViewModel: PinnedEventsTimelineScreenViewModelType, PinnedEventsTimelineScreenViewModelProtocol {
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private let roomProxy: JoinedRoomProxyProtocol
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private let userIndicatorController: UserIndicatorControllerProtocol
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private let appSettings: AppSettings
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private let analyticsService: AnalyticsService
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private let actionsSubject: PassthroughSubject<PinnedEventsTimelineScreenViewModelAction, Never> = .init()
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var actionsPublisher: AnyPublisher<PinnedEventsTimelineScreenViewModelAction, Never> {
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actionsSubject.eraseToAnyPublisher()
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}
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init(roomProxy: JoinedRoomProxyProtocol,
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userIndicatorController: UserIndicatorControllerProtocol,
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appSettings: AppSettings,
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analyticsService: AnalyticsService) {
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self.roomProxy = roomProxy
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self.userIndicatorController = userIndicatorController
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self.appSettings = appSettings
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self.analyticsService = analyticsService
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super.init(initialViewState: PinnedEventsTimelineScreenViewState())
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}
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// MARK: - Public
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override func process(viewAction: PinnedEventsTimelineScreenViewAction) {
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MXLog.info("View model: received view action: \(viewAction)")
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switch viewAction {
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case .close:
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analyticsService.trackInteraction(name: .PinnedMessageBannerCloseListButton)
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actionsSubject.send(.dismiss)
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}
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}
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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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guard let self else { return }
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switch action {
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case .displayMessageForwarding(let forwardingItem):
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state.bindings.mediaPreviewViewModel = nil
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// We need a small delay because we need to wait for the media preview to be fully dismissed.
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DispatchQueue.main.asyncAfter(deadline: .now() + TimelineMediaPreviewViewModel.displayMessageForwardingDelay) {
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self.actionsSubject.send(.displayMessageForwarding(forwardingItem))
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}
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case .viewInRoomTimeline(let itemID):
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guard let eventID = itemID.eventID else {
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return
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}
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Task { await self.viewInRoomTimeline(eventID: eventID) }
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case .dismiss:
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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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private func viewInRoomTimeline(eventID: String) async {
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switch await roomProxy.loadOrFetchEventDetails(for: eventID) {
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case .success(let event):
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let threadRootEventID: String? = if appSettings.threadsEnabled {
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event.threadRootEventId()
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} else {
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nil
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}
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actionsSubject.send(.viewInRoomTimeline(eventID: eventID, threadRootEventID: threadRootEventID))
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case .failure:
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userIndicatorController.submitIndicator(.init(title: L10n.errorUnknown))
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}
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}
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}
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