Implements side menu screen.

2026-04-21 09:02:44 +02:00 · 2021-06-07 00:33:12 +02:00
parent e6ca45638c
commit 2e56cdc108
7 changed files with 595 additions and 0 deletions
@@ -0,0 +1,130 @@
+// File created from ScreenTemplate
+// $ createScreen.sh SideMenu SideMenu
+/*
+ Copyright 2020 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 Foundation
+
+final class SideMenuViewModel: SideMenuViewModelType {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+
+    private let userSessionsService: UserSessionsService
+    private let appInfo: AppInfo
+    
+    private var currentOperation: MXHTTPOperation?
+    
+    // MARK: Public
+
+    weak var viewDelegate: SideMenuViewModelViewDelegate?
+    weak var coordinatorDelegate: SideMenuViewModelCoordinatorDelegate?
+    
+    // MARK: - Setup
+    
+    init(userSessionsService: UserSessionsService, appInfo: AppInfo) {
+        self.userSessionsService = userSessionsService
+        self.appInfo = appInfo
+    }
+    
+    deinit {
+        self.cancelOperations()        
+    }
+    
+    // MARK: - Public
+    
+    func process(viewAction: SideMenuViewAction) {
+        switch viewAction {
+        case .loadData:
+            self.loadData()
+        case .tap(menuItem: let menuItem, sourceView: let sourceView):
+            self.coordinatorDelegate?.sideMenuViewModel(self, didTapMenuItem: menuItem, fromSourceView: sourceView)
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func loadData() {
+
+        self.update(viewState: .loading)
+
+        guard let mainUserSession = self.userSessionsService.mainUserSession else {
+            return
+        }
+        self.updateView(with: mainUserSession)
+        
+        self.registerUserSessionsServiceNotifications()
+    }
+    
+    private func userAvatarViewData(from mxSession: MXSession) -> UserAvatarViewData? {
+        guard let userId = mxSession.myUserId, let mediaManager = mxSession.mediaManager else {
+            return nil
+        }
+        let userDisplayName = mxSession.myUser.displayname
+        let avatarUrl = mxSession.myUser.avatarUrl
+        
+        return UserAvatarViewData(userId: userId,
+                                  displayName: userDisplayName,
+                                  avatarUrl: avatarUrl,
+                                  mediaManager: mediaManager)
+    }
+    
+    private func update(viewState: SideMenuViewState) {
+        self.viewDelegate?.sideMenuViewModel(self, didUpdateViewState: viewState)
+    }
+    
+    private func cancelOperations() {
+        self.currentOperation?.cancel()
+    }
+    
+    private func updateView(with userSession: UserSession) {
+        guard let userAvatarViewData = self.userAvatarViewData(from: userSession.matrixSession) else {
+            return
+        }
+        
+        let sideMenuItems: [SideMenuItem] = [
+            .inviteFriends,
+            .settings,
+            .help,
+            .feedback
+        ]
+        
+        let appVersion = self.appInfo.appVersion?.bundleShortVersion
+        
+        let viewData = SideMenuViewData(userAvatarViewData: userAvatarViewData, sideMenuItems: sideMenuItems, appVersion: appVersion)
+        
+        self.update(viewState: .loaded(viewData))
+    }
+    
+    private func registerUserSessionsServiceNotifications() {
+        
+        // Listen only notifications from the current UserSessionsService instance
+                
+        NotificationCenter.default.addObserver(self, selector: #selector(userSessionDidChange(_:)), name: UserSessionsService.userSessionDidChange, object: self.userSessionsService)
+    }
+    
+    @objc private func userSessionDidChange(_ notification: Notification) {
+        guard let userSession = notification.userInfo?[UserSessionsService.NotificationUserInfoKey.userSession] as? UserSession else {
+            return
+        }
+        
+        // Main user session did change (maybe avatar or display name changed)
+        if let mainUserSession =  self.userSessionsService.mainUserSession, mainUserSession.userId == userSession.userId {
+            self.updateView(with: mainUserSession)
+        }
+    }
+}