Basic Push Notifications Service

Campus-iOS/App.swift

@@ -17,12 +17,15 @@ struct CampusApp: App {
     let persistenceController = PersistenceController.shared
     @State var selectedTab = 0
     @State var isLoginSheetPresented = false
-
+
+    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
+
     init() {
         #if !DEBUG
         FirebaseApp.configure()
         #endif
         UITabBar.appearance().isOpaque = true
+
         if #available(iOS 15.0, *) {
             let appearance = UITabBarAppearance()
             UITabBar.appearance().scrollEdgeAppearance = appearance
@@ -69,12 +72,12 @@ struct CampusApp: App {
                     model: model,
                     service: LecturesService()
                 ), refresh: $model.isUserAuthenticated)
-                    .navigationTitle("Lectures")
-                    .toolbar {
-                        ToolbarItemGroup(placement: .navigationBarTrailing) {
-                            ProfileToolbar(model: model)
-                        }
+                .navigationTitle("Lectures")
+                .toolbar {
+                    ToolbarItemGroup(placement: .navigationBarTrailing) {
+                        ProfileToolbar(model: model)
                     }
+                }
             }
             .tag(1)
             .tabItem {
@@ -118,7 +121,7 @@ struct CampusApp: App {
                 view.navigationViewStyle(.stack)
             })
 
-            NavigationView {
+                NavigationView {
                 MapScreenView(vm: MapViewModel(cafeteriaService: CafeteriasService(), studyRoomsService: StudyRoomsService()))
             }
             .tag(3)

Campus-iOS/AppDelegate.swift

@@ -0,0 +1,50 @@
+//
+//  AppDelegate.swift
+//  Campus-iOS
+//
+//  Created by Anton Wyrowski on 29.11.22.
+//
+
+import Foundation
+import UIKit
+import UserNotifications
+
+
+class AppDelegate: NSObject, UIApplicationDelegate {
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
+
+        UIApplication.shared.registerForRemoteNotifications()
+        PushNotifications.shared.requestPushNotificationPermission()
+
+        return true
+    }
+
+    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
+        let token = deviceToken.map { data in String(format: "%02.2hhx", data) }.joined()
+
+        Task {
+            await PushNotifications.shared.registerDeviceToken(token)
+        }
+    }
+
+    func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
+        CrashlyticsService.log("Failed to register for remote notifications with error message: \(error.localizedDescription)")
+    }
+
+    func application(
+        _ application: UIApplication,
+        didReceiveRemoteNotification userInfo: [AnyHashable : Any],
+        fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void
+    ) {
+        Task {
+            do {
+                try await PushNotifications.shared.handleBackgroundNotification(data: userInfo)
+                completionHandler(.noData)
+            } catch {
+                completionHandler(.failed)
+            }
+        }
+    }
+
+}

Campus-iOS/Base/Networking/CampusBackend.swift

@@ -0,0 +1,41 @@
+//
+//  CampusBackend.swift
+//  Campus-iOS
+//
+//  Created by Anton Wyrowski on 29.11.22.
+//
+
+import Foundation
+import GRPC
+import Logging
+
+struct CampusBackend {
+
+    private static let s = CampusBackend()
+
+    static let shared = s.client
+
+    let client: Api_CampusAsyncClient
+
+    private init() {
+        let group = PlatformSupport.makeEventLoopGroup(loopCount: 1)
+
+        var logger = Logger(label: "gRPC", factory: StreamLogHandler.standardOutput(label:))
+        logger.logLevel = .debug
+
+
+        /* let channel = ClientConnection
+              .usingPlatformAppropriateTLS(for: group)
+              .withBackgroundActivityLogger(logger)
+              .connect(host: "api-grpc.tum.app", port: 443) */
+
+        // For local development will be removed after
+        // backend changes are merged
+         let channel = ClientConnection
+            .insecure(group: group)
+            .withBackgroundActivityLogger(logger)
+            .connect(host: "10.181.193.249", port: 50051)
+
+        client = Api_CampusAsyncClient(channel: channel)
+    }
+}