140 lines
4.8 KiB
Swift
140 lines
4.8 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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struct HomeScreenCoordinatorParameters {
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let userSession: UserSessionProtocol
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let attributedStringBuilder: AttributedStringBuilderProtocol
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let memberDetailProviderManager: MemberDetailProviderManager
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}
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enum HomeScreenCoordinatorAction {
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case presentRoom(roomIdentifier: String)
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case presentSettings
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case verifySession
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}
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final class HomeScreenCoordinator: Coordinator, Presentable {
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// MARK: - Properties
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// MARK: Private
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private let parameters: HomeScreenCoordinatorParameters
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private let hostingController: UIViewController
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private var viewModel: HomeScreenViewModelProtocol
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private var roomSummaries: [RoomSummary] = []
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private var cancellables = Set<AnyCancellable>()
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// MARK: Public
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// Must be used only internally
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var childCoordinators: [Coordinator] = []
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var callback: ((HomeScreenCoordinatorAction) -> Void)?
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// MARK: - Setup
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init(parameters: HomeScreenCoordinatorParameters) {
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self.parameters = parameters
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viewModel = HomeScreenViewModel(initialDisplayName: parameters.userSession.userID,
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attributedStringBuilder: parameters.attributedStringBuilder)
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let view = HomeScreen(context: viewModel.context)
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hostingController = UIHostingController(rootView: view)
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viewModel.callback = { [weak self] action in
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guard let self = self else { return }
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switch action {
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case .selectRoom(let roomIdentifier):
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self.callback?(.presentRoom(roomIdentifier: roomIdentifier))
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case .tapUserAvatar:
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self.callback?(.presentSettings)
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case .verifySession:
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self.callback?(.verifySession)
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}
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}
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parameters.userSession.clientProxy
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.callbacks
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.receive(on: DispatchQueue.main)
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.sink { [weak self] callback in
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if case .updatedRoomsList = callback {
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self?.updateRoomsList()
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}
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}.store(in: &cancellables)
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parameters.userSession.callbacks
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.receive(on: DispatchQueue.main)
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.sink { [weak self] callback in
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switch callback {
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case .sessionVerificationNeeded:
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self?.viewModel.showSessionVerificationBanner()
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case .didVerifySession:
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self?.viewModel.hideSessionVerificationBanner()
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}
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}.store(in: &cancellables)
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updateRoomsList()
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Task {
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if case let .success(userAvatarURLString) = await parameters.userSession.clientProxy.loadUserAvatarURLString() {
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if case let .success(avatar) = await parameters.userSession.mediaProvider.loadImageFromURLString(userAvatarURLString) {
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self.viewModel.updateWithUserAvatar(avatar)
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}
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}
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if case let .success(userDisplayName) = await parameters.userSession.clientProxy.loadUserDisplayName() {
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self.viewModel.updateWithUserDisplayName(userDisplayName)
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}
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}
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}
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// MARK: - Public
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func start() { }
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func toPresentable() -> UIViewController {
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hostingController
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}
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// MARK: - Private
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func updateRoomsList() {
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roomSummaries = parameters.userSession.clientProxy.rooms.compactMap { roomProxy in
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guard roomProxy.isJoined, !roomProxy.isSpace, !roomProxy.isTombstoned else {
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return nil
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}
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if let summary = self.roomSummaries.first(where: { $0.id == roomProxy.id }) {
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return summary
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}
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let memberDetailProvider = parameters.memberDetailProviderManager.memberDetailProviderForRoomProxy(roomProxy)
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return RoomSummary(roomProxy: roomProxy,
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mediaProvider: parameters.userSession.mediaProvider,
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eventBriefFactory: EventBriefFactory(memberDetailProvider: memberDetailProvider))
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}
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viewModel.updateWithRoomSummaries(roomSummaries)
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}
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}
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