98 lines
3.8 KiB
Swift
98 lines
3.8 KiB
Swift
//
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// Copyright 2025 Element Creations Ltd.
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// Copyright 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 SpacesScreenViewModelType = StateStoreViewModelV2<SpacesScreenViewState, SpacesScreenViewAction>
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class SpacesScreenViewModel: SpacesScreenViewModelType, SpacesScreenViewModelProtocol {
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private let spaceServiceProxy: SpaceServiceProxyProtocol
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private let appSettings: AppSettings
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private let userIndicatorController: UserIndicatorControllerProtocol
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private let actionsSubject: PassthroughSubject<SpacesScreenViewModelAction, Never> = .init()
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var actionsPublisher: AnyPublisher<SpacesScreenViewModelAction, Never> {
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actionsSubject.eraseToAnyPublisher()
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}
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init(userSession: UserSessionProtocol,
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selectedSpacePublisher: CurrentValuePublisher<String?, Never>,
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appSettings: AppSettings,
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userIndicatorController: UserIndicatorControllerProtocol) {
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spaceServiceProxy = userSession.clientProxy.spaceService
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self.appSettings = appSettings
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self.userIndicatorController = userIndicatorController
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super.init(initialViewState: SpacesScreenViewState(userID: userSession.clientProxy.userID,
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topLevelSpaces: spaceServiceProxy.topLevelSpacesPublisher.value),
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mediaProvider: userSession.mediaProvider)
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spaceServiceProxy.topLevelSpacesPublisher
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.receive(on: DispatchQueue.main)
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.weakAssign(to: \.state.topLevelSpaces, on: self)
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.store(in: &cancellables)
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selectedSpacePublisher
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.weakAssign(to: \.state.selectedSpaceID, on: self)
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.store(in: &cancellables)
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userSession.clientProxy.userAvatarURLPublisher
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.receive(on: DispatchQueue.main)
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.weakAssign(to: \.state.userAvatarURL, on: self)
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.store(in: &cancellables)
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userSession.clientProxy.userDisplayNamePublisher
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.receive(on: DispatchQueue.main)
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.weakAssign(to: \.state.userDisplayName, on: self)
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.store(in: &cancellables)
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}
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// MARK: - Public
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override func process(viewAction: SpacesScreenViewAction) {
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MXLog.info("View model: received view action: \(viewAction)")
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switch viewAction {
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case .spaceAction(.select(let spaceServiceRoom)):
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Task { await selectSpace(spaceServiceRoom) }
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case .spaceAction(.join):
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fatalError("There shouldn't be any unjoined spaces in the joined spaces list.")
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case .showSettings:
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actionsSubject.send(.showSettings)
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case .createSpace:
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actionsSubject.send(.showCreateSpace)
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}
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}
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// MARK: - Private
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private func selectSpace(_ spaceServiceRoom: SpaceServiceRoom) async {
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switch await spaceServiceProxy.spaceRoomList(spaceID: spaceServiceRoom.id) {
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case .success(let spaceRoomListProxy):
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actionsSubject.send(.selectSpace(spaceRoomListProxy))
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case .failure(let error):
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MXLog.error("Unable to select space: \(error)")
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showFailureIndicator()
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}
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}
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// MARK: - Indicators
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private static var failureIndicatorID: String {
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"\(Self.self)-Failure"
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}
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private func showFailureIndicator() {
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userIndicatorController.submitIndicator(UserIndicator(id: Self.failureIndicatorID,
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type: .toast,
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title: L10n.errorUnknown,
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iconName: "xmark"))
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}
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}
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