74 lines
3.3 KiB
Swift
74 lines
3.3 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 Combine
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import SwiftUI
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typealias PollFormScreenViewModelType = StateStoreViewModel<PollFormScreenViewState, PollFormScreenViewAction>
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class PollFormScreenViewModel: PollFormScreenViewModelType, PollFormScreenViewModelProtocol {
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private var actionsSubject: PassthroughSubject<PollFormScreenViewModelAction, Never> = .init()
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var actions: AnyPublisher<PollFormScreenViewModelAction, Never> {
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actionsSubject.eraseToAnyPublisher()
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}
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init(mode: PollFormMode) {
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super.init(initialViewState: .init(mode: mode))
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}
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// MARK: - Public
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override func process(viewAction: PollFormScreenViewAction) {
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switch viewAction {
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case .submit:
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actionsSubject.send(.submit(question: state.bindings.question,
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options: state.bindings.options.map(\.text),
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pollKind: state.bindings.isUndisclosed ? .undisclosed : .disclosed))
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case .delete:
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state.bindings.alertInfo = .init(id: .init(),
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title: L10n.screenEditPollDeleteConfirmationTitle,
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message: L10n.screenEditPollDeleteConfirmation,
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primaryButton: .init(title: L10n.actionCancel, role: .cancel, action: nil),
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secondaryButton: .init(title: L10n.actionOk, action: { self.actionsSubject.send(.delete) }))
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case .cancel:
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if state.formContentHasChanged {
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state.bindings.alertInfo = .init(id: .init(),
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title: L10n.screenCreatePollCancelConfirmationTitleIos,
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message: L10n.screenCreatePollCancelConfirmationContentIos,
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primaryButton: .init(title: L10n.actionCancel, role: .cancel, action: nil),
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secondaryButton: .init(title: L10n.actionOk, action: { self.actionsSubject.send(.cancel) }))
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} else {
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actionsSubject.send(.cancel)
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}
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case .deleteOption(let index):
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// fixes a crash that caused an index out of range when an option with the keyboard focus was deleted
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Task {
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try await Task.sleep(for: .milliseconds(100))
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guard state.bindings.options.indices.contains(index) else {
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return
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}
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state.bindings.options.remove(at: index)
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}
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case .addOption:
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guard state.bindings.options.count < state.maxNumberOfOptions else {
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return
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}
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state.bindings.options.append(.init())
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}
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}
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}
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