Files
letro-ios/ElementX/Sources/Screens/CreatePollScreen/PollFormScreenViewModel.swift
Doug 84ff9ee2e2 Adopt StateStoreViewModelV2 in more screens. (#4275)
* Use StateStoreViewModelV2 in AnalyticsPromptScreen.

* Use StateStoreViewModelV2 in UserProfileScreen.

* Use StateStoreViewModelV2 in MediaUploadPreviewScreen.

* Use StateStoreViewModelV2 in the Roles & Permissions screens.

* Add the asyncStream variant of deferFailure.

* Use StateStoreViewModelV2 in BlockedUsersScreen.

* Use StateStoreViewModelV2 in ManageRoomMemberSheet.

* Use StateStoreViewModelV2 in ResolveVerifiedUserSendFailureScreen.

* Use StateStoreViewModelV2 in ReportContentScreen.

* Use StateStoreViewModelV2 in ReportRoomScreen.

* Use StateStoreViewModelV2 in StaticLocationScreen.

* Use StateStoreViewModelV2 in EmojiPickerScreen.

* Use StateStoreViewModelV2 in PollFormScreen.

* Use StateStoreViewModelV2 in DeclineAndBlockScreen.

* Use StateStoreViewModelV2 in RoomDetailsScreen.

* Fix a random compilation error that just popped up 🤷‍♂️

* Fix expectation message.
2025-07-02 15:13:42 +01:00

65 lines
3.0 KiB
Swift

//
// Copyright 2022-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
// Please see LICENSE files in the repository root for full details.
//
import Combine
import SwiftUI
typealias PollFormScreenViewModelType = StateStoreViewModelV2<PollFormScreenViewState, PollFormScreenViewAction>
class PollFormScreenViewModel: PollFormScreenViewModelType, PollFormScreenViewModelProtocol {
private var actionsSubject: PassthroughSubject<PollFormScreenViewModelAction, Never> = .init()
var actions: AnyPublisher<PollFormScreenViewModelAction, Never> {
actionsSubject.eraseToAnyPublisher()
}
init(mode: PollFormMode, maxNumberOfOptions: Int? = nil) {
super.init(initialViewState: .init(mode: mode, maxNumberOfOptions: maxNumberOfOptions ?? 20))
}
// MARK: - Public
override func process(viewAction: PollFormScreenViewAction) {
switch viewAction {
case .submit:
actionsSubject.send(.submit(question: state.bindings.question,
options: state.bindings.options.map(\.text),
pollKind: state.bindings.isUndisclosed ? .undisclosed : .disclosed))
case .delete:
state.bindings.alertInfo = .init(id: .init(),
title: L10n.screenEditPollDeleteConfirmationTitle,
message: L10n.screenEditPollDeleteConfirmation,
primaryButton: .init(title: L10n.actionCancel, role: .cancel, action: nil),
secondaryButton: .init(title: L10n.actionOk) { self.actionsSubject.send(.delete) })
case .cancel:
if state.formContentHasChanged {
state.bindings.alertInfo = .init(id: .init(),
title: L10n.screenCreatePollCancelConfirmationTitleIos,
message: L10n.screenCreatePollCancelConfirmationContentIos,
primaryButton: .init(title: L10n.actionCancel, role: .cancel, action: nil),
secondaryButton: .init(title: L10n.actionOk) { self.actionsSubject.send(.cancel) })
} else {
actionsSubject.send(.cancel)
}
case .deleteOption(let index):
// fixes a crash that caused an index out of range when an option with the keyboard focus was deleted
Task {
try await Task.sleep(for: .milliseconds(100))
guard state.bindings.options.indices.contains(index) else {
return
}
state.bindings.options.remove(at: index)
}
case .addOption:
guard state.bindings.options.count < state.maxNumberOfOptions else {
return
}
state.bindings.options.append(.init())
}
}
}