Files
letro-ios/ElementX/Sources/Screens/CreatePollScreen/CreatePollScreenViewModel.swift
Alfonso Grillo fccabd6470 Create poll UX (#1571)
* Add poll attachment button

* Add poll creation feature flag

* Setup navigation to CreatePollScreen

* Add create/cancel actions

* Add create poll screen ui skeleton

* Add bindings in CreatePollScreen

* Add logics in CreatePollScreen

* Cleanup code

* Fix option deletion crash

* Fix conflicts

* Add create poll logic

* Add localisations

* Fix test build errors

* Fix crash

* Add UTs

* Add accessibility IDs

* Add ui tests

* Add 240 char limit

* Fix addOption hide behavior

* Add maxNumberOfOptions

* Cleanup code

* Move delete workaround in the view model

* Use compound delete icon
2023-08-30 09:23:30 +00:00

60 lines
2.2 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 Combine
import SwiftUI
typealias CreatePollScreenViewModelType = StateStoreViewModel<CreatePollScreenViewState, CreatePollScreenViewAction>
class CreatePollScreenViewModel: CreatePollScreenViewModelType, CreatePollScreenViewModelProtocol {
private var actionsSubject: PassthroughSubject<CreatePollScreenViewModelAction, Never> = .init()
var actions: AnyPublisher<CreatePollScreenViewModelAction, Never> {
actionsSubject.eraseToAnyPublisher()
}
init() {
super.init(initialViewState: .init())
}
// MARK: - Public
override func process(viewAction: CreatePollScreenViewAction) {
switch viewAction {
case .create:
actionsSubject.send(.create(question: state.bindings.question,
options: state.bindings.options.map(\.text),
pollKind: state.bindings.isUndisclosed ? .undisclosed : .disclosed))
case .cancel:
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())
}
}
}