element-ios/Riot/Modules/Secrets/Setup/RecoveryPassphrase/SecretsSetupRecoveryPassphr...

127 lines
4.3 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh Test SecretsSetupRecoveryPassphrase
/*
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 SecretsSetupRecoveryPassphraseViewModel: SecretsSetupRecoveryPassphraseViewModelType {
// MARK: - Properties
// MARK: Private
private let passphraseInput: SecretsSetupRecoveryPassphraseInput
private let passwordStrengthManager: PasswordStrengthManager
private var currentViewData: SecretsSetupRecoveryPassphraseViewData?
private var passphrase: String?
// MARK: Public
weak var viewDelegate: SecretsSetupRecoveryPassphraseViewModelViewDelegate?
weak var coordinatorDelegate: SecretsSetupRecoveryPassphraseViewModelCoordinatorDelegate?
// MARK: - Setup
init(passphraseInput: SecretsSetupRecoveryPassphraseInput) {
self.passphraseInput = passphraseInput
self.passwordStrengthManager = PasswordStrengthManager()
}
// MARK: - Public
func process(viewAction: SecretsSetupRecoveryPassphraseViewAction) {
switch viewAction {
case .loadData:
self.loadData()
case .updatePassphrase(let passphrase):
self.updatePassphrase(passphrase)
case .validate:
self.validate()
case .cancel:
self.coordinatorDelegate?.secretsSetupRecoveryPassphraseViewModelDidCancel(self)
}
}
// MARK: - Private
private func loadData() {
let viewDataMode: SecretsSetupRecoveryPassphraseViewDataMode
switch self.passphraseInput {
case .new:
viewDataMode = .newPassphrase(strength: .tooGuessable)
case .confirm:
viewDataMode = .confimPassphrase
}
let viewData = SecretsSetupRecoveryPassphraseViewData(mode: viewDataMode, isFormValid: false)
self.update(viewState: .loaded(viewData))
}
private func update(viewState: SecretsSetupRecoveryPassphraseViewState) {
self.viewDelegate?.secretsSetupRecoveryPassphraseViewModel(self, didUpdateViewState: viewState)
}
private func updatePassphrase(_ passphrase: String?) {
let viewDataMode: SecretsSetupRecoveryPassphraseViewDataMode
let isFormValid: Bool
switch self.passphraseInput {
case .new:
let passphraseStrength = self.passwordStrength(for: passphrase)
viewDataMode = .newPassphrase(strength: passphraseStrength)
isFormValid = passphraseStrength == .veryUnguessable
case .confirm(let passphraseToConfirm):
viewDataMode = .confimPassphrase
isFormValid = passphrase == passphraseToConfirm
}
let viewData = SecretsSetupRecoveryPassphraseViewData(mode: viewDataMode, isFormValid: isFormValid)
self.passphrase = passphrase
self.currentViewData = viewData
self.update(viewState: .formUpdated(viewData))
}
private func validate() {
guard let viewData = self.currentViewData,
viewData.isFormValid,
let passphrase = self.passphrase else {
return
}
switch self.passphraseInput {
case .new:
self.coordinatorDelegate?.secretsSetupRecoveryPassphraseViewModel(self, didEnterNewPassphrase: passphrase)
case .confirm:
self.coordinatorDelegate?.secretsSetupRecoveryPassphraseViewModel(self, didConfirmPassphrase: passphrase)
}
}
private func passwordStrength(for password: String?) -> PasswordStrength {
guard let password = password else {
return .tooGuessable
}
return self.passwordStrengthManager.passwordStrength(for: password)
}
}