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

66 lines
2.6 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 let createRoomParameters: CreateRoomVolatileParameters
var actions: AnyPublisher<CreateRoomViewModelAction, Never> {
actionsSubject.eraseToAnyPublisher()
}
init(userSession: UserSessionProtocol, createRoomParameters: CreateRoomVolatileParameters) {
let bindings = CreateRoomViewStateBindings(roomName: createRoomParameters.name, roomTopic: createRoomParameters.topic, isRoomPrivate: createRoomParameters.isRoomPrivate)
self.createRoomParameters = createRoomParameters
super.init(initialViewState: CreateRoomViewState(selectedUsers: createRoomParameters.selectedUsers, bindings: bindings), imageProvider: userSession.mediaProvider)
setupBindings()
}
// MARK: - Public
override func process(viewAction: CreateRoomViewAction) {
switch viewAction {
case .createRoom:
actionsSubject.send(.createRoom)
case .deselectUser(let user):
state.selectedUsers.removeAll(where: { $0.userID == user.userID })
actionsSubject.send(.deselectUser(user))
case .selectPrivateRoom:
state.bindings.isRoomPrivate = true
case .selectPublicRoom:
state.bindings.isRoomPrivate = false
}
}
// MARK: - Private
private func setupBindings() {
context.$viewState
.map(\.bindings)
.sink { [weak self] bindings in
self?.createRoomParameters.name = bindings.roomName
self?.createRoomParameters.topic = bindings.roomTopic
self?.createRoomParameters.isRoomPrivate = bindings.isRoomPrivate
}
.store(in: &cancellables)
}
}