264 lines
11 KiB
Swift
264 lines
11 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Combine
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import SwiftUI
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typealias RoomDetailsScreenViewModelType = StateStoreViewModel<RoomDetailsScreenViewState, RoomDetailsScreenViewAction>
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class RoomDetailsScreenViewModel: RoomDetailsScreenViewModelType, RoomDetailsScreenViewModelProtocol {
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private let accountUserID: String
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private let roomProxy: RoomProxyProtocol
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private let userIndicatorController: UserIndicatorControllerProtocol
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private let notificationSettingsProxy: NotificationSettingsProxyProtocol
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private var accountOwner: RoomMemberProxyProtocol? {
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didSet { updatePowerLevelPermissions() }
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}
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private var dmRecipient: RoomMemberProxyProtocol?
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var callback: ((RoomDetailsScreenViewModelAction) -> Void)?
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init(accountUserID: String,
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roomProxy: RoomProxyProtocol,
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mediaProvider: MediaProviderProtocol,
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userIndicatorController: UserIndicatorControllerProtocol,
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notificationSettingsProxy: NotificationSettingsProxyProtocol,
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appSettings: AppSettings) {
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self.accountUserID = accountUserID
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self.roomProxy = roomProxy
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self.userIndicatorController = userIndicatorController
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self.notificationSettingsProxy = notificationSettingsProxy
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super.init(initialViewState: .init(roomId: roomProxy.id,
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canonicalAlias: roomProxy.canonicalAlias,
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isEncrypted: roomProxy.isEncrypted,
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isDirect: roomProxy.isDirect,
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permalink: roomProxy.permalink,
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title: roomProxy.roomTitle,
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topic: roomProxy.topic,
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avatarURL: roomProxy.avatarURL,
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joinedMembersCount: roomProxy.joinedMembersCount,
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showNotificationSettings: appSettings.notificationSettingsEnabled,
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notificationSettingsState: .loading,
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bindings: .init()),
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imageProvider: mediaProvider)
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setupRoomSubscription()
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fetchMembers()
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setupNotificationSettingsSubscription()
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fetchNotificationSettings()
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}
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// MARK: - Public
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// swiftlint:disable:next cyclomatic_complexity
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override func process(viewAction: RoomDetailsScreenViewAction) {
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switch viewAction {
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case .processTapPeople:
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callback?(.requestMemberDetailsPresentation)
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case .processTapInvite:
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callback?(.requestInvitePeoplePresentation)
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case .processTapLeave:
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guard state.joinedMembersCount > 1 else {
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state.bindings.leaveRoomAlertItem = LeaveRoomAlertItem(roomId: roomProxy.id, state: .empty)
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return
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}
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state.bindings.leaveRoomAlertItem = LeaveRoomAlertItem(roomId: roomProxy.id, state: roomProxy.isPublic ? .public : .private)
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case .confirmLeave:
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Task { await leaveRoom() }
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case .processTapIgnore:
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state.bindings.ignoreUserRoomAlertItem = .init(action: .ignore)
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case .processTapUnignore:
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state.bindings.ignoreUserRoomAlertItem = .init(action: .unignore)
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case .processTapEdit, .processTapAddTopic:
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guard let accountOwner else {
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MXLog.error("Missing account owner when presenting the room's edit details screen")
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return
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}
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callback?(.requestEditDetailsPresentation(accountOwner))
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case .ignoreConfirmed:
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Task { await ignore() }
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case .unignoreConfirmed:
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Task { await unignore() }
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case .processTapNotifications:
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if state.notificationSettingsState.isError {
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fetchNotificationSettings()
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} else {
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callback?(.requestNotificationSettingsPresentation)
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}
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case .processToogleMuteNotifications:
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Task { await toggleMuteNotifications() }
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}
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}
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// MARK: - Private
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private func setupRoomSubscription() {
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roomProxy.updatesPublisher
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.throttle(for: .milliseconds(200), scheduler: DispatchQueue.main, latest: true)
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.sink { [weak self] _ in
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guard let self else { return }
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self.state.title = self.roomProxy.roomTitle
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self.state.topic = self.roomProxy.topic
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self.state.avatarURL = self.roomProxy.avatarURL
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self.state.joinedMembersCount = self.roomProxy.joinedMembersCount
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}
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.store(in: &cancellables)
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}
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private func fetchMembers() {
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Task {
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await fetchMembersIfNeeded()
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await fetchAccountOwner()
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}
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}
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private func fetchMembersIfNeeded() async {
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// We need to fetch members just in 1-to-1 chat to get the member object for the other person
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guard roomProxy.isEncryptedOneToOneRoom else {
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return
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}
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roomProxy.membersPublisher
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.sink { [weak self] members in
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guard let self else { return }
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let dmRecipient = members.first(where: { !$0.isAccountOwner })
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self.dmRecipient = dmRecipient
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self.state.dmRecipient = dmRecipient.map(RoomMemberDetails.init(withProxy:))
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}
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.store(in: &cancellables)
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await roomProxy.updateMembers()
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}
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private func fetchAccountOwner() async {
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switch await roomProxy.getMember(userID: accountUserID) {
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case .success(let member):
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accountOwner = member
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case .failure(let error):
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MXLog.error("Failed (error: \(error) to get account owner member with id: \(accountUserID), in room: \(roomProxy.id)")
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}
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}
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private func updatePowerLevelPermissions() {
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state.canInviteUsers = accountOwner?.canInviteUsers ?? false
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state.canEditRoomName = accountOwner?.canSendStateEvent(type: .roomName) ?? false
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state.canEditRoomTopic = accountOwner?.canSendStateEvent(type: .roomTopic) ?? false
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state.canEditRoomAvatar = accountOwner?.canSendStateEvent(type: .roomAvatar) ?? false
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}
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private func setupNotificationSettingsSubscription() {
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notificationSettingsProxy.callbacks
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.receive(on: DispatchQueue.main)
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.sink { [weak self] callback in
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guard let self else { return }
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switch callback {
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case .settingsDidChange:
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self.fetchNotificationSettings()
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}
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}
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.store(in: &cancellables)
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}
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private func fetchNotificationSettings() {
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Task {
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await fetchRoomNotificationSettings()
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}
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}
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private func fetchRoomNotificationSettings() async {
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do {
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let notificationMode = try await notificationSettingsProxy.getNotificationSettings(roomId: roomProxy.id,
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isEncrypted: roomProxy.isEncrypted,
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activeMembersCount: UInt64(roomProxy.activeMembersCount))
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state.notificationSettingsState = .loaded(settings: notificationMode)
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} catch {
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state.notificationSettingsState = .error
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state.bindings.alertInfo = AlertInfo(id: .alert,
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title: L10n.commonError,
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message: L10n.screenRoomDetailsErrorLoadingNotificationSettings)
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}
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}
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private func toggleMuteNotifications() async {
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guard case .loaded(let notificationMode) = state.notificationSettingsState else { return }
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state.isProcessingMuteToggleAction = true
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switch notificationMode.mode {
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case .mute:
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do {
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try await notificationSettingsProxy.unmuteRoom(roomId: roomProxy.id,
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isEncrypted: roomProxy.isEncrypted,
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activeMembersCount: UInt64(roomProxy.activeMembersCount))
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} catch {
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state.bindings.alertInfo = AlertInfo(id: .alert,
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title: L10n.commonError,
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message: L10n.screenRoomDetailsErrorUnmuting)
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}
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default:
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do {
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try await notificationSettingsProxy.setNotificationMode(roomId: roomProxy.id, mode: .mute)
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} catch {
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state.bindings.alertInfo = AlertInfo(id: .alert,
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title: L10n.commonError,
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message: L10n.screenRoomDetailsErrorMuting)
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}
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}
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state.isProcessingMuteToggleAction = false
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}
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private static let leaveRoomLoadingID = "LeaveRoomLoading"
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private func leaveRoom() async {
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userIndicatorController.submitIndicator(UserIndicator(id: Self.leaveRoomLoadingID, type: .modal, title: L10n.commonLeavingRoom, persistent: true))
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let result = await roomProxy.leaveRoom()
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userIndicatorController.retractIndicatorWithId(Self.leaveRoomLoadingID)
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switch result {
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case .failure:
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state.bindings.alertInfo = AlertInfo(id: .unknown)
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case .success:
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callback?(.leftRoom)
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}
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}
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private func ignore() async {
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state.isProcessingIgnoreRequest = true
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let result = await dmRecipient?.ignoreUser()
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state.isProcessingIgnoreRequest = false
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switch result {
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case .success:
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state.dmRecipient?.isIgnored = true
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case .failure, .none:
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state.bindings.alertInfo = .init(id: .unknown)
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}
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}
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private func unignore() async {
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state.isProcessingIgnoreRequest = true
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let result = await dmRecipient?.unignoreUser()
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state.isProcessingIgnoreRequest = false
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switch result {
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case .success:
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state.dmRecipient?.isIgnored = false
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case .failure, .none:
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state.bindings.alertInfo = .init(id: .unknown)
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}
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}
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}
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