element-ios/Riot/Modules/Secrets/Reset/SecretsResetViewModel.swift

110 lines
3.5 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh Secrets/Reset SecretsReset
/*
Copyright 2020 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 Foundation
final class SecretsResetViewModel: SecretsResetViewModelType {
// MARK: - Properties
// MARK: Private
private let session: MXSession
private let recoveryService: MXRecoveryService
private let crossSigningService: CrossSigningService
// MARK: Public
weak var viewDelegate: SecretsResetViewModelViewDelegate?
weak var coordinatorDelegate: SecretsResetViewModelCoordinatorDelegate?
// MARK: - Setup
init(session: MXSession) {
self.session = session
self.recoveryService = session.crypto.recoveryService
self.crossSigningService = CrossSigningService()
}
// MARK: - Public
func process(viewAction: SecretsResetViewAction) {
switch viewAction {
case .loadData:
break
case .reset:
self.askAuthentication()
case .authenticationCancelled:
self.authenticationCancelled()
case .authenticationInfoEntered(let authParameters):
self.resetSecrets(with: authParameters)
case .cancel:
self.coordinatorDelegate?.secretsResetViewModelDidCancel(self)
}
}
// MARK: - Private
func update(viewState: SecretsResetViewState) {
self.viewDelegate?.secretsResetViewModel(self, didUpdateViewState: viewState)
}
private func resetSecrets(with authParameters: [String: Any]) {
guard let crossSigning = self.session.crypto?.crossSigning else {
return
}
MXLog.debug("[SecretsResetViewModel] resetSecrets")
crossSigning.setup(withAuthParams: authParameters, success: { [weak self] in
guard let self = self else {
return
}
self.recoveryService.deleteRecovery(withDeleteServicesBackups: true, success: { [weak self] in
guard let self = self else {
return
}
self.update(viewState: .resetDone)
self.coordinatorDelegate?.secretsResetViewModelDidResetSecrets(self)
}, failure: { [weak self] error in
guard let self = self else {
return
}
self.update(viewState: .error(error))
})
}, failure: { [weak self] error in
guard let self = self else {
return
}
self.update(viewState: .error(error))
})
}
private func askAuthentication() {
self.update(viewState: .resetting)
let setupCrossSigningRequest = self.crossSigningService.setupCrossSigningRequest()
self.coordinatorDelegate?.secretsResetViewModel(self, needsToAuthenticateWith: setupCrossSigningRequest)
}
private func authenticationCancelled() {
self.update(viewState: .resetCancelled)
}
}