Files
letro-ios/ElementX/Sources/Screens/SecureBackup/SecureBackupScreen/SecureBackupScreenViewModel.swift

86 lines
3.2 KiB
Swift

//
// Copyright 2022 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 SwiftUI
typealias SecureBackupScreenViewModelType = StateStoreViewModel<SecureBackupScreenViewState, SecureBackupScreenViewAction>
class SecureBackupScreenViewModel: SecureBackupScreenViewModelType, SecureBackupScreenViewModelProtocol {
private let secureBackupController: SecureBackupControllerProtocol
private let userIndicatorController: UserIndicatorControllerProtocol
private var actionsSubject: PassthroughSubject<SecureBackupScreenViewModelAction, Never> = .init()
var actions: AnyPublisher<SecureBackupScreenViewModelAction, Never> {
actionsSubject.eraseToAnyPublisher()
}
init(secureBackupController: SecureBackupControllerProtocol,
userIndicatorController: UserIndicatorControllerProtocol,
chatBackupDetailsURL: URL) {
self.secureBackupController = secureBackupController
self.userIndicatorController = userIndicatorController
super.init(initialViewState: .init(chatBackupDetailsURL: chatBackupDetailsURL))
secureBackupController.recoveryKeyState
.receive(on: DispatchQueue.main)
.weakAssign(to: \.state.recoveryKeyState, on: self)
.store(in: &cancellables)
secureBackupController.keyBackupState
.receive(on: DispatchQueue.main)
.weakAssign(to: \.state.keyBackupState, on: self)
.store(in: &cancellables)
}
// MARK: - Public
override func process(viewAction: SecureBackupScreenViewAction) {
switch viewAction {
case .recoveryKey:
actionsSubject.send(.recoveryKey)
case .keyBackup:
switch secureBackupController.keyBackupState.value {
case .disabled, .unknown:
enableBackup()
case .enabled:
actionsSubject.send(.keyBackup)
default:
break
}
}
}
// MARK: - Private
private func enableBackup() {
Task {
let loadingIndicatorIdentifier = "SecureBackupScreenLoading"
userIndicatorController.submitIndicator(.init(id: loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading, persistent: true))
switch await secureBackupController.enable() {
case .success:
break
case .failure(let error):
MXLog.error("Failed enabling key backup with error: \(error)")
state.bindings.alertInfo = .init(id: .init())
}
userIndicatorController.retractIndicatorWithId(loadingIndicatorIdentifier)
}
}
}