element-ios/RiotSwiftUI/Modules/Room/NotificationSettings/ViewModel/RoomNotificationSettingsVie...

104 lines
3.8 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh Room/NotificationSettings RoomNotificationSettings
/*
Copyright 2021 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import Combine
import Foundation
class RoomNotificationSettingsViewModel: RoomNotificationSettingsViewModelType {
// MARK: - Properties
// MARK: Private
private let roomNotificationService: RoomNotificationSettingsServiceType
var state: RoomNotificationSettingsViewState {
willSet {
update(viewState: newValue)
}
}
// MARK: Public
weak var viewDelegate: RoomNotificationSettingsViewModelViewDelegate?
weak var coordinatorDelegate: RoomNotificationSettingsViewModelCoordinatorDelegate?
// MARK: - Setup
init(roomNotificationService: RoomNotificationSettingsServiceType,
initialState: RoomNotificationSettingsViewState) {
self.roomNotificationService = roomNotificationService
state = initialState
self.roomNotificationService.observeNotificationState { [weak self] state in
guard let self = self else { return }
self.state.notificationState = Self.mapNotificationStateOnRead(encrypted: self.state.roomEncrypted, state: state)
}
}
convenience init(roomNotificationService: RoomNotificationSettingsServiceType,
avatarData: AvatarProtocol?,
displayName: String?,
roomEncrypted: Bool) {
let notificationState = Self.mapNotificationStateOnRead(encrypted: roomEncrypted, state: roomNotificationService.notificationState)
let initialState = RoomNotificationSettingsViewState(
roomEncrypted: roomEncrypted,
saving: false,
notificationState: notificationState,
avatarData: avatarData,
displayName: displayName
)
self.init(roomNotificationService: roomNotificationService, initialState: initialState)
}
// MARK: - Public
func process(viewAction: RoomNotificationSettingsViewAction) {
switch viewAction {
case .load:
update(viewState: state)
case .selectNotificationState(let state):
self.state.notificationState = state
case .save:
state.saving = true
roomNotificationService.update(state: state.notificationState) { [weak self] in
guard let self = self else { return }
self.state.saving = false
self.coordinatorDelegate?.roomNotificationSettingsViewModelDidComplete(self)
}
case .cancel:
coordinatorDelegate?.roomNotificationSettingsViewModelDidCancel(self)
}
}
// MARK: - Private
private static func mapNotificationStateOnRead(encrypted: Bool, state: RoomNotificationState) -> RoomNotificationState {
if encrypted, case .mentionsAndKeywordsOnly = state {
// Notifications not supported on encrypted rooms, map mentionsOnly to mute on read
return .mute
} else {
return state
}
}
func update(viewState: RoomNotificationSettingsViewState) {
viewDelegate?.roomNotificationSettingsViewModel(self, didUpdateViewState: viewState)
}
}