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