element-ios/RiotSwiftUI/Modules/Onboarding/DisplayName/OnboardingDisplayNameViewMo...

58 lines
1.7 KiB
Swift

//
// Copyright 2021-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Combine
import SwiftUI
typealias OnboardingDisplayNameViewModelType = StateStoreViewModel<OnboardingDisplayNameViewState, OnboardingDisplayNameViewAction>
class OnboardingDisplayNameViewModel: OnboardingDisplayNameViewModelType, OnboardingDisplayNameViewModelProtocol {
// MARK: - Properties
// MARK: Private
// MARK: Public
var completion: ((OnboardingDisplayNameViewModelResult) -> Void)?
// MARK: - Setup
init(displayName: String = "") {
super.init(initialViewState: OnboardingDisplayNameViewState(bindings: OnboardingDisplayNameBindings(displayName: displayName)))
validateDisplayName()
}
// MARK: - Public
override func process(viewAction: OnboardingDisplayNameViewAction) {
switch viewAction {
case .validateDisplayName:
validateDisplayName()
case .save:
completion?(.save(state.bindings.displayName))
case .skip:
completion?(.skip)
}
}
func processError(_ error: NSError?) {
state.bindings.alertInfo = AlertInfo(error: error)
}
// MARK: - Private
/// Checks for a display name that exceeds 256 characters and updates the footer error if needed.
private func validateDisplayName() {
if state.bindings.displayName.count > 256 {
guard state.validationErrorMessage == nil else { return }
state.validationErrorMessage = VectorL10n.onboardingDisplayNameMaxLength
} else if state.validationErrorMessage != nil {
state.validationErrorMessage = nil
}
}
}