127 lines
4.3 KiB
Swift
127 lines
4.3 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh Test SecretsSetupRecoveryPassphrase
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/*
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Copyright 2020 New Vector Ltd
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 Foundation
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final class SecretsSetupRecoveryPassphraseViewModel: SecretsSetupRecoveryPassphraseViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let passphraseInput: SecretsSetupRecoveryPassphraseInput
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private let passwordStrengthManager: PasswordStrengthManager
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private var currentViewData: SecretsSetupRecoveryPassphraseViewData?
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private var passphrase: String?
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// MARK: Public
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weak var viewDelegate: SecretsSetupRecoveryPassphraseViewModelViewDelegate?
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weak var coordinatorDelegate: SecretsSetupRecoveryPassphraseViewModelCoordinatorDelegate?
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// MARK: - Setup
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init(passphraseInput: SecretsSetupRecoveryPassphraseInput) {
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self.passphraseInput = passphraseInput
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self.passwordStrengthManager = PasswordStrengthManager()
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}
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// MARK: - Public
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func process(viewAction: SecretsSetupRecoveryPassphraseViewAction) {
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switch viewAction {
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case .loadData:
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self.loadData()
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case .updatePassphrase(let passphrase):
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self.updatePassphrase(passphrase)
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case .validate:
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self.validate()
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case .cancel:
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self.coordinatorDelegate?.secretsSetupRecoveryPassphraseViewModelDidCancel(self)
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}
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}
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// MARK: - Private
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private func loadData() {
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let viewDataMode: SecretsSetupRecoveryPassphraseViewDataMode
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switch self.passphraseInput {
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case .new:
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viewDataMode = .newPassphrase(strength: .tooGuessable)
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case .confirm:
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viewDataMode = .confimPassphrase
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}
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let viewData = SecretsSetupRecoveryPassphraseViewData(mode: viewDataMode, isFormValid: false)
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self.update(viewState: .loaded(viewData))
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}
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private func update(viewState: SecretsSetupRecoveryPassphraseViewState) {
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self.viewDelegate?.secretsSetupRecoveryPassphraseViewModel(self, didUpdateViewState: viewState)
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}
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private func updatePassphrase(_ passphrase: String?) {
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let viewDataMode: SecretsSetupRecoveryPassphraseViewDataMode
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let isFormValid: Bool
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switch self.passphraseInput {
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case .new:
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let passphraseStrength = self.passwordStrength(for: passphrase)
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viewDataMode = .newPassphrase(strength: passphraseStrength)
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isFormValid = passphraseStrength == .veryUnguessable
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case .confirm(let passphraseToConfirm):
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viewDataMode = .confimPassphrase
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isFormValid = passphrase == passphraseToConfirm
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}
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let viewData = SecretsSetupRecoveryPassphraseViewData(mode: viewDataMode, isFormValid: isFormValid)
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self.passphrase = passphrase
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self.currentViewData = viewData
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self.update(viewState: .formUpdated(viewData))
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}
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private func validate() {
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guard let viewData = self.currentViewData,
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viewData.isFormValid,
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let passphrase = self.passphrase else {
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return
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}
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switch self.passphraseInput {
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case .new:
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self.coordinatorDelegate?.secretsSetupRecoveryPassphraseViewModel(self, didEnterNewPassphrase: passphrase)
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case .confirm:
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self.coordinatorDelegate?.secretsSetupRecoveryPassphraseViewModel(self, didConfirmPassphrase: passphrase)
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}
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}
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private func passwordStrength(for password: String?) -> PasswordStrength {
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guard let password = password else {
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return .tooGuessable
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}
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return self.passwordStrengthManager.passwordStrength(for: password)
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}
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}
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