element-ios/RiotSwiftUI/Modules/Authentication/ServerSelection/AuthenticationServerSelecti...

77 lines
2.5 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 Foundation
// MARK: View model
enum AuthenticationServerSelectionViewModelResult {
/// The user would like to use the homeserver at the given address.
case confirm(homeserverAddress: String)
/// Dismiss the view without using the entered address.
case dismiss
}
// MARK: View
struct AuthenticationServerSelectionViewState: BindableState {
/// View state that can be bound to from SwiftUI.
var bindings: AuthenticationServerSelectionBindings
/// An error message to be shown in the text field footer.
var footerErrorMessage: String?
/// The flow that the screen is being used for.
let flow: AuthenticationFlow
/// Whether the screen is presented modally or within a navigation stack.
var hasModalPresentation: Bool
var headerTitle: String {
flow == .login ? VectorL10n.authenticationServerSelectionLoginTitle : VectorL10n.authenticationServerSelectionRegisterTitle
}
var headerMessage: String {
flow == .login ? VectorL10n.authenticationServerSelectionLoginMessage : VectorL10n.authenticationServerSelectionRegisterMessage
}
/// The title shown on the confirm button.
var buttonTitle: String {
hasModalPresentation ? VectorL10n.confirm : VectorL10n.next
}
/// The text field is showing an error.
var isShowingFooterError: Bool {
footerErrorMessage != nil
}
/// Whether it is possible to continue when tapping the confirmation button.
var hasValidationError: Bool {
bindings.homeserverAddress.isEmpty || isShowingFooterError
}
}
struct AuthenticationServerSelectionBindings {
/// The homeserver address input by the user.
var homeserverAddress: String
/// Information describing the currently displayed alert.
var alertInfo: AlertInfo<AuthenticationServerSelectionErrorType>?
}
enum AuthenticationServerSelectionViewAction {
/// The user would like to use the homeserver at the input address.
case confirm
/// Dismiss the view without using the entered address.
case dismiss
/// Clear any errors shown in the text field footer.
case clearFooterError
}
enum AuthenticationServerSelectionErrorType: Hashable {
/// An error message to be shown in the text field footer.
case footerMessage(String)
/// An error occurred when trying to open the EMS link
case openURLAlert
}