Files
letro-ios/ElementX/Sources/Screens/CreateRoom/CreateRoomViewModel.swift
2023-05-16 18:23:23 +02:00

75 lines
2.8 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 CreateRoomViewModelType = StateStoreViewModel<CreateRoomViewState, CreateRoomViewAction>
class CreateRoomViewModel: CreateRoomViewModelType, CreateRoomViewModelProtocol {
private var actionsSubject: PassthroughSubject<CreateRoomViewModelAction, Never> = .init()
private var createRoomParameters: CreateRoomFlowParameters
var actions: AnyPublisher<CreateRoomViewModelAction, Never> {
actionsSubject.eraseToAnyPublisher()
}
init(userSession: UserSessionProtocol,
createRoomParameters: CurrentValuePublisher<CreateRoomFlowParameters, Never>,
selectedUsers: CurrentValuePublisher<[UserProfile], Never>) {
let parameters = createRoomParameters.value
self.createRoomParameters = parameters
let bindings = CreateRoomViewStateBindings(roomName: parameters.name, roomTopic: parameters.topic, isRoomPrivate: parameters.isRoomPrivate)
super.init(initialViewState: CreateRoomViewState(selectedUsers: selectedUsers.value, bindings: bindings), imageProvider: userSession.mediaProvider)
selectedUsers
.sink { [weak self] users in
self?.state.selectedUsers = users
}
.store(in: &cancellables)
setupBindings()
}
// MARK: - Public
override func process(viewAction: CreateRoomViewAction) {
switch viewAction {
case .createRoom:
actionsSubject.send(.createRoom)
case .deselectUser(let user):
actionsSubject.send(.deselectUser(user))
}
}
// MARK: - Private
private func setupBindings() {
context.$viewState
.map(\.bindings)
.throttle(for: 0.5, scheduler: DispatchQueue.main, latest: true)
.sink { [weak self] bindings in
guard let self else { return }
createRoomParameters.name = bindings.roomName
createRoomParameters.topic = bindings.roomTopic
createRoomParameters.isRoomPrivate = bindings.isRoomPrivate
actionsSubject.send(.updateDetails(createRoomParameters))
}
.store(in: &cancellables)
}
}