Set up Firebase Cloud Messaging

Uplift.xcodeproj/project.pbxproj

@@ -104,6 +104,7 @@
 		89599A502BD4B4B600DA44DE /* FitnessClassInstance.swift in Sources */ = {isa = PBXBuildFile; fileRef = 89599A4F2BD4B4B600DA44DE /* FitnessClassInstance.swift */; };
 		896500DC2BB4D33500D822AB /* ClassDetailView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 896500DB2BB4D33500D822AB /* ClassDetailView.swift */; };
 		897703662BA2028D00F9992F /* ClassesViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 897703652BA2028D00F9992F /* ClassesViewModel.swift */; };
+		89C10D172CCB2F9E007E753F /* FirebaseMessaging in Frameworks */ = {isa = PBXBuildFile; productRef = 89C10D162CCB2F9E007E753F /* FirebaseMessaging */; };
 		897DF9BA2CCDC49B00246B0D /* UpliftAPI in Frameworks */ = {isa = PBXBuildFile; productRef = 897DF9B92CCDC49B00246B0D /* UpliftAPI */; };
 		8983A9A62CFEA077008E84DB /* UpliftAPI in Frameworks */ = {isa = PBXBuildFile; productRef = 8983A9A52CFEA077008E84DB /* UpliftAPI */; };
 		89950D8A2B992E8400DFB007 /* ClassesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 89950D892B992E8400DFB007 /* ClassesView.swift */; };
@@ -213,6 +214,7 @@
 		897703652BA2028D00F9992F /* ClassesViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ClassesViewModel.swift; sourceTree = "<group>"; };
 		89950D892B992E8400DFB007 /* ClassesView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ClassesView.swift; sourceTree = "<group>"; };
 		8996FEDF2BDF351800F13C67 /* NextSessionCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NextSessionCell.swift; sourceTree = "<group>"; };
+		89C10D222CCB459F007E753F /* Uplift.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = Uplift.entitlements; sourceTree = "<group>"; };
 		899B186C2CA5FAFB00FAC061 /* ProfileView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileView.swift; sourceTree = "<group>"; };
 		89A652F62D02B00000277A16 /* CapacityRemindersView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CapacityRemindersView.swift; sourceTree = "<group>"; };
 		89A652F72D02B00000277A16 /* RemindersView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemindersView.swift; sourceTree = "<group>"; };
@@ -234,6 +236,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				89C10D172CCB2F9E007E753F /* FirebaseMessaging in Frameworks */,
 				2EE5F3E42B12EDB6008E0299 /* ApolloAPI in Frameworks */,
 				63001AD82CC9AD970082AFFA /* GoogleSignIn in Frameworks */,
 				2EE5F3E22B12EDB6008E0299 /* Apollo in Frameworks */,
@@ -504,6 +507,7 @@
 		2E8FE38E2B1278B700B3DC6A /* Uplift */ = {
 			isa = PBXGroup;
 			children = (
+				89C10D222CCB459F007E753F /* Uplift.entitlements */,
 				2E3838402BB7536700AE15DC /* PrivacyInfo.xcprivacy */,
 				2E3D6C1D2B12840C00B51BB2 /* Info.plist */,
 				2E090ECF2B13088800BAE982 /* Configs */,
@@ -611,6 +615,7 @@
 				636E3D402BBE1EB100B6EFFC /* UpliftAPI */,
 				636E3D432BBE1F3800B6EFFC /* UpliftAPI */,
 				2E2748D12BCD4EC00023882E /* UpliftAPI */,
+				89C10D162CCB2F9E007E753F /* FirebaseMessaging */,
 				897DF9B92CCDC49B00246B0D /* UpliftAPI */,
 				63001AD72CC9AD970082AFFA /* GoogleSignIn */,
 				63001AD92CC9AD970082AFFA /* GoogleSignInSwift */,
@@ -1015,6 +1020,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = NO;
+				CODE_SIGN_ENTITLEMENTS = Uplift/Uplift.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 36;
@@ -1059,6 +1065,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = NO;
+				CODE_SIGN_ENTITLEMENTS = Uplift/Uplift.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 36;
@@ -1266,9 +1273,9 @@
 			isa = XCSwiftPackageProductDependency;
 			productName = UpliftAPI;
 		};
-		897DF9B92CCDC49B00246B0D /* UpliftAPI */ = {
+		89C10D162CCB2F9E007E753F /* FirebaseMessaging */ = {
 			isa = XCSwiftPackageProductDependency;
-			productName = UpliftAPI;
+			productName = FirebaseMessaging;
 		};
 		8983A9A52CFEA077008E84DB /* UpliftAPI */ = {
 			isa = XCSwiftPackageProductDependency;

Uplift/Core/UpliftApp.swift

@@ -7,6 +7,8 @@
 //
 
 import FirebaseCore
+import FirebaseMessaging
+import FirebaseInstallations
 import GoogleSignIn
 import SwiftUI
 
@@ -49,27 +51,78 @@ struct UpliftApp: App {
             }
         }
     }
+}
 
-    class AppDelegate: NSObject, UIApplicationDelegate {
-        func application(
-            _ application: UIApplication,
-            didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
-        ) -> Bool {
-            FirebaseApp.configure()
-            GIDSignIn.sharedInstance.restorePreviousSignIn { user, error in
-                if error != nil || user == nil {
-                    // TODO: - Show the app's signed-out state.
-                } else {
-                    // TODO: - Show the app's signed-in state.
-                }
+class AppDelegate: NSObject, UIApplicationDelegate, UNUserNotificationCenterDelegate {
+    func application(
+        _ application: UIApplication,
+        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
+    ) -> Bool {
+        FirebaseApp.configure()
+
+        GIDSignIn.sharedInstance.restorePreviousSignIn { user, error in
+            if error != nil || user == nil {
+                // TODO: - Show the app's signed-out state.
+            } else {
+                // TODO: - Show the app's signed-in state.
+            }
+        }
+
+        // Configure Firebase Cloud Messaging
+        Messaging.messaging().delegate = self
+
+        // Configure push notifications
+        UNUserNotificationCenter.current().delegate = self
+
+        let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
+        UNUserNotificationCenter.current().requestAuthorization(
+        options: authOptions,
+        completionHandler: { _, _ in }
+        )
+
+        application.registerForRemoteNotifications()
+
+        return true
+    }
+
+    func application(_ app: UIApplication,
+                     open url: URL,
+                     options: [UIApplication.OpenURLOptionsKey: Any] = [:]) -> Bool {
+        GIDSignIn.sharedInstance.handle(url)
+    }
+
+    func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
+        print("Unable to register for remote notifications: \(error.localizedDescription)")
+    }
+
+    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
+        let tokenString = deviceToken.map { String(format: "%02x", $0) }.joined()
+        print("APNs token retrieved: \(tokenString)")
+
+        // Passes the APNs token to Firebase Cloud Messaging (FCM)
+        Messaging.messaging().apnsToken = deviceToken
+    }
+}
+
+extension AppDelegate: MessagingDelegate {
+    func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String?) {
+        print("Firebase registration token: \(fcmToken ?? "")")
+
+        Messaging.messaging().token { token, error in
+            if let error = error {
+                print("Error fetching FCM registration token: \(error)")
+            } else if let token = token {
+                print("FCM registration token: \(token)")
             }
-            return true
         }
 
-        func application(_ app: UIApplication,
-                         open url: URL,
-                         options: [UIApplication.OpenURLOptionsKey: Any] = [:]) -> Bool {
-            GIDSignIn.sharedInstance.handle(url)
+        Task {
+            do {
+                let id = try await Installations.installations().installationID()
+                print("Installation ID: \(id)")
+            } catch {
+                print("Error fetching id: \(error)")
+            }
         }
     }
 }

Uplift/Info.plist

@@ -12,6 +12,8 @@
 	<string>$(ANNOUNCEMENTS_SCHEME)</string>
 	<key>CFBundleIconName</key>
 	<string>AppIcon</string>
+	<key>FirebaseAppDelegateProxyEnabled</key>
+	<false/>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>
@@ -36,6 +38,10 @@
 		<string>Montserrat-Regular.ttf</string>
 		<string>Montserrat-SemiBold.ttf</string>
 	</array>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>remote-notification</string>
+	</array>
 	<key>UPLIFT_DEV_URL</key>
 	<string>$(UPLIFT_DEV_URL)</string>
 	<key>UPLIFT_PROD_URL</key>

Uplift/Uplift.entitlements

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>aps-environment</key>
+	<string>development</string>
+</dict>
+</plist>