128 lines
4.7 KiB
Swift
128 lines
4.7 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh Room2/RoomInfo RoomInfoList
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/*
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Copyright 2020 New Vector Ltd
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 Foundation
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final class RoomInfoListViewModel: NSObject, RoomInfoListViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let session: MXSession
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private let room: MXRoom
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// MARK: Public
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weak var viewDelegate: RoomInfoListViewModelViewDelegate?
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weak var coordinatorDelegate: RoomInfoListViewModelCoordinatorDelegate?
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private var viewData: RoomInfoListViewData {
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let encryptionImage = EncryptionTrustLevelBadgeImageHelper.roomBadgeImage(for: room.summary.roomEncryptionTrustLevel())
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let directUserPresence = session.user(withUserId: room.directUserId)?.presence ?? .unknown
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let basicInfoViewData = RoomInfoBasicViewData(avatarUrl: room.summary.avatar,
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mediaManager: session.mediaManager,
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roomId: room.roomId,
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roomDisplayName: room.summary.displayName,
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mainRoomAlias: room.summary.aliases?.first,
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roomTopic: room.summary.topic,
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encryptionImage: encryptionImage,
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isEncrypted: room.summary.isEncrypted,
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isDirect: room.isDirect,
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directUserId: room.directUserId,
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directUserPresence: directUserPresence)
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return RoomInfoListViewData(numberOfMembers: Int(room.summary.membersCount.joined),
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isEncrypted: room.summary.isEncrypted,
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isDirect: room.isDirect,
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basicInfoViewData: basicInfoViewData)
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}
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// MARK: - Setup
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init(session: MXSession, room: MXRoom) {
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self.session = session
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self.room = room
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super.init()
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startObservingSummaryChanges()
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}
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deinit {
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stopObservingSummaryChanges()
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}
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// MARK: - Public
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func process(viewAction: RoomInfoListViewAction) {
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switch viewAction {
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case .loadData:
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self.loadData()
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case .navigate(let target):
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self.navigate(to: target)
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case .leave:
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self.leave()
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case .cancel:
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self.coordinatorDelegate?.roomInfoListViewModelDidCancel(self)
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case .report:
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self.coordinatorDelegate?.roomInfoListViewModelDidRequestReportRoom(self)
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}
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}
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// MARK: - Private
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private func startObservingSummaryChanges() {
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NotificationCenter.default.addObserver(self, selector: #selector(roomSummaryUpdated(_:)), name: .mxRoomSummaryDidChange, object: room.summary)
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}
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private func stopObservingSummaryChanges() {
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NotificationCenter.default.removeObserver(self, name: .mxRoomSummaryDidChange, object: nil)
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}
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@objc private func roomSummaryUpdated(_ notification: Notification) {
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// force update view
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self.update(viewState: .loaded(viewData: viewData))
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}
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private func loadData() {
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self.update(viewState: .loaded(viewData: viewData))
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}
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private func navigate(to target: RoomInfoListTarget) {
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self.coordinatorDelegate?.roomInfoListViewModel(self, wantsToNavigateTo: target)
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}
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private func leave() {
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self.stopObservingSummaryChanges()
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self.update(viewState: .loading)
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self.room.leave { (response) in
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switch response {
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case .success:
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self.coordinatorDelegate?.roomInfoListViewModelDidLeaveRoom(self)
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case .failure(let error):
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self.startObservingSummaryChanges()
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self.update(viewState: .error(error))
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}
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}
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}
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private func update(viewState: RoomInfoListViewState) {
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self.viewDelegate?.roomInfoListViewModel(self, didUpdateViewState: viewState)
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}
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}
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