mirror of
https://github.com/vector-im/element-ios.git
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131 lines
4.3 KiB
Swift
131 lines
4.3 KiB
Swift
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// File created from ScreenTemplate
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// $ createScreen.sh SideMenu SideMenu
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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 SideMenuViewModel: SideMenuViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let userSessionsService: UserSessionsService
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private let appInfo: AppInfo
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private var currentOperation: MXHTTPOperation?
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// MARK: Public
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weak var viewDelegate: SideMenuViewModelViewDelegate?
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weak var coordinatorDelegate: SideMenuViewModelCoordinatorDelegate?
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// MARK: - Setup
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init(userSessionsService: UserSessionsService, appInfo: AppInfo) {
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self.userSessionsService = userSessionsService
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self.appInfo = appInfo
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}
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deinit {
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self.cancelOperations()
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}
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// MARK: - Public
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func process(viewAction: SideMenuViewAction) {
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switch viewAction {
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case .loadData:
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self.loadData()
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case .tap(menuItem: let menuItem, sourceView: let sourceView):
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self.coordinatorDelegate?.sideMenuViewModel(self, didTapMenuItem: menuItem, fromSourceView: sourceView)
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}
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}
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// MARK: - Private
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private func loadData() {
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self.update(viewState: .loading)
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guard let mainUserSession = self.userSessionsService.mainUserSession else {
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return
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}
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self.updateView(with: mainUserSession)
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self.registerUserSessionsServiceNotifications()
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}
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private func userAvatarViewData(from mxSession: MXSession) -> UserAvatarViewData? {
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guard let userId = mxSession.myUserId, let mediaManager = mxSession.mediaManager else {
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return nil
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}
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let userDisplayName = mxSession.myUser.displayname
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let avatarUrl = mxSession.myUser.avatarUrl
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return UserAvatarViewData(userId: userId,
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displayName: userDisplayName,
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avatarUrl: avatarUrl,
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mediaManager: mediaManager)
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}
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private func update(viewState: SideMenuViewState) {
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self.viewDelegate?.sideMenuViewModel(self, didUpdateViewState: viewState)
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}
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private func cancelOperations() {
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self.currentOperation?.cancel()
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}
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private func updateView(with userSession: UserSession) {
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guard let userAvatarViewData = self.userAvatarViewData(from: userSession.matrixSession) else {
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return
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}
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let sideMenuItems: [SideMenuItem] = [
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.inviteFriends,
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.settings,
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.help,
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.feedback
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]
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let appVersion = self.appInfo.appVersion?.bundleShortVersion
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let viewData = SideMenuViewData(userAvatarViewData: userAvatarViewData, sideMenuItems: sideMenuItems, appVersion: appVersion)
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self.update(viewState: .loaded(viewData))
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}
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private func registerUserSessionsServiceNotifications() {
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// Listen only notifications from the current UserSessionsService instance
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NotificationCenter.default.addObserver(self, selector: #selector(userSessionDidChange(_:)), name: UserSessionsService.userSessionDidChange, object: self.userSessionsService)
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}
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@objc private func userSessionDidChange(_ notification: Notification) {
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guard let userSession = notification.userInfo?[UserSessionsService.NotificationUserInfoKey.userSession] as? UserSession else {
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return
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}
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// Main user session did change (maybe avatar or display name changed)
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if let mainUserSession = self.userSessionsService.mainUserSession, mainUserSession.userId == userSession.userId {
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self.updateView(with: mainUserSession)
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}
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}
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}
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