element-x-ios/ElementX/Sources/Screens/Authentication/ServerSelection/ServerSelectionModels.swift

79 lines
2.5 KiB
Swift

//
// Copyright 2022 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
// MARK: View model
enum ServerSelectionViewModelAction {
/// 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 ServerSelectionViewState: BindableState {
/// View state that can be bound to from SwiftUI.
var bindings: ServerSelectionBindings
/// An error message to be shown in the text field footer.
var footerErrorMessage: String?
/// Whether the screen is presented modally or within a navigation stack.
var hasModalPresentation: Bool
/// The message to show in the text field footer.
var footerMessage: String {
footerErrorMessage ?? ElementL10n.serverSelectionServerFooter
}
/// The title shown on the confirm button.
var buttonTitle: String {
hasModalPresentation ? ElementL10n.actionConfirm : ElementL10n.actionNext
}
/// 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 ServerSelectionBindings {
/// The homeserver address input by the user.
var homeserverAddress: String
/// Information describing the currently displayed alert.
var alertInfo: AlertInfo<ServerSelectionErrorType>?
}
enum ServerSelectionViewAction {
/// 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 ServerSelectionErrorType: Hashable {
/// An error message to be shown in the text field footer.
case footerMessage(String)
}