fix: Removed all references to Google firebase

android/app/src/main/AndroidManifest.xml

@@ -64,9 +64,6 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
-        <meta-data
-            android:name="com.google.firebase.messaging.default_notification_channel_id"
-            android:value="high_importance_channel" />
        <provider
            android:name="androidx.core.content.FileProvider"
            android:authorities="${applicationId}.com.shekarmudaliyar.social_share"

lib/main.dart

@@ -1,19 +1,14 @@
 import 'dart:io';
 
-import 'package:firebase_core/firebase_core.dart';
-import 'package:firebase_messaging/firebase_messaging.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' as fs;
-import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:hive/hive.dart';
 import 'package:path_provider/path_provider.dart' as path;
 import 'package:provider/provider.dart';
 import 'package:quick_actions/quick_actions.dart';
 import 'package:talawa/constants/custom_theme.dart';
 import 'package:talawa/constants/quick_actions.dart';
-import 'package:talawa/firebase_options.dart';
 import 'package:talawa/locator.dart';
 import 'package:talawa/models/asymetric_keys/asymetric_keys.dart';
 import 'package:talawa/models/organization/org_info.dart';
@@ -26,51 +21,6 @@ import 'package:talawa/view_model/lang_view_model.dart';
 import 'package:talawa/view_model/theme_view_model.dart';
 import 'package:talawa/views/base_view.dart';
 
-/// Define a top-level named handler which background/terminated messages will call.
-///
-/// To verify things are working, check out the native platform logs.
-/// **params**:
-/// * `message`: incoming messsage.
-///
-/// **returns**:
-/// * `Future<void>`: promise that will be fulfilled message background activities are successful.
-Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
-  // If you're going to use other Firebase services in the background, such as Firestore,
-  // make sure you call `initializeApp` before using other Firebase services.
-  final Directory dir = await path.getApplicationDocumentsDirectory();
-  Hive.init(dir.path);
-  await setUpFirebaseKeys();
-  await setUpFirebase();
-}
-
-/// Initializes the firebase in the app according to the userplatform (android/iOS).
-///
-/// **params**:
-///   None
-///
-/// **returns**:
-/// * `Future<void>`: promise that will be fulfilled Firebase is setted up in app.
-Future<void> setUpFirebase() async {
-  await Firebase.initializeApp(
-    options: DefaultFirebaseOptions.currentPlatform(
-      androidFirebaseOptions,
-      iosFirebaseOptions,
-    ),
-  );
-}
-
-/// HashMap of Firebase options for android.
-late Map<String, dynamic> androidFirebaseOptions;
-
-/// HashMap of Firebase options for android.
-late Map<String, dynamic> iosFirebaseOptions;
-
-/// Create a [AndroidNotificationChannel] for heads up notifications.
-late AndroidNotificationChannel channel;
-
-/// Initialize the [FlutterLocalNotificationsPlugin] package.
-late FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin;
-
 /// First function to initialize the application, invoked automatically.
 ///
 /// **params**:
@@ -82,26 +32,6 @@ Future<void> main() async {
   // Returns an instance of the binding that implements WidgetsBinding.
   WidgetsFlutterBinding.ensureInitialized();
 
-  if (!kIsWeb) {
-    channel = const AndroidNotificationChannel(
-      'high_importance_channel', // id
-      'High Importance Notifications', // title
-      description:
-          'This channel is used for important notifications.', // description
-      importance: Importance.high,
-    );
-
-    flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
-
-    // Create an Android Notification Channel.
-    // We use this channel in the `AndroidManifest.xml` file to override the
-    // default FCM channel to enable heads up notifications.
-    await flutterLocalNotificationsPlugin
-        .resolvePlatformSpecificImplementation<
-            AndroidFlutterLocalNotificationsPlugin>()
-        ?.createNotificationChannel(channel);
-  }
-
   final Directory dir = await path.getApplicationDocumentsDirectory();
   Hive
     ..init(dir.path)
@@ -115,52 +45,11 @@ Future<void> main() async {
   await Hive.openBox('pluginBox');
   await Hive.openBox('url');
 
-  final urlBox = await Hive.openBox('url');
-
-  try {
-    if (urlBox.get('url') != null) {
-      await setUpFirebaseKeys();
-
-      await setUpFirebase();
-      await setUpFirebaseMessaging();
-    }
-  } catch (e) {
-    print("Firebase not working");
-  }
-
   setupLocator();
   // The runApp() function takes the given Widget and makes it the root of the widget tree.
   runApp(MyApp());
 }
 
-/// Initializes the firebase keys in the app according to the userplatform (android/iOS).
-///
-/// **params**:
-///   None
-///
-/// **returns**:
-/// * `Future<void>`: promise that will be fulfilled Firebase keys are setted up.
-Future<void> setUpFirebaseKeys() async {
-  final androidFirebaseOptionsBox =
-      await Hive.openBox('androidFirebaseOptions');
-  final androidFirebaseOptionsMap = androidFirebaseOptionsBox
-      .get('androidFirebaseOptions') as Map<dynamic, dynamic>?;
-
-  final iosFirebaseOptionsBox = await Hive.openBox('iosFirebaseOptions');
-  final iosFirebaseOptionsMap =
-      iosFirebaseOptionsBox.get('iosFirebaseOptions') as Map<dynamic, dynamic>?;
-  if (androidFirebaseOptionsMap != null) {
-    androidFirebaseOptions = androidFirebaseOptionsMap.map((key, value) {
-      return MapEntry(key.toString(), value);
-    });
-  }
-  if (iosFirebaseOptionsMap != null) {
-    iosFirebaseOptions = iosFirebaseOptionsMap.map((key, value) {
-      return MapEntry(key.toString(), value);
-    });
-  }
-}
-
 /// Main widget that sets up the quick actions, internationalization, routing , notifications.
 class MyApp extends StatefulWidget {
   // This widget is the root of your application.
@@ -332,48 +221,3 @@ class DemoViewModel extends BaseModel {
   /// * `String`: title  of the model
   String get title => _title;
 }
-
-/// Set up firebase instance, enbables messaging,listens to icoming messages.
-///
-/// **params**:
-///   None
-///
-/// **returns**:
-/// * `Future<void>`: promise that will be fulfilled Firebase is setted up.
-Future<void> setUpFirebaseMessaging() async {
-  /// Set the background messaging handler early on, as a named top-level function
-  FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
-
-  // Update the iOS foreground notification presentation options to allow heads up notifications.
-  await FirebaseMessaging.instance.setForegroundNotificationPresentationOptions(
-    alert: true,
-    badge: true,
-    sound: true,
-  );
-
-  FirebaseMessaging.instance
-      .getInitialMessage()
-      .then((RemoteMessage? message) {});
-
-  FirebaseMessaging.onMessage.listen((RemoteMessage message) {
-    final RemoteNotification? notification = message.notification;
-    final AndroidNotification? android = message.notification?.android;
-    if (notification != null && android != null && !kIsWeb) {
-      flutterLocalNotificationsPlugin.show(
-        notification.hashCode,
-        notification.title,
-        notification.body,
-        NotificationDetails(
-          android: AndroidNotificationDetails(
-            channel.id,
-            channel.name,
-            channelDescription: channel.description,
-            icon: 'launch_background',
-          ),
-        ),
-      );
-    }
-  });
-
-  FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {});
-}

lib/services/database_mutation_functions.dart

@@ -191,18 +191,6 @@ class DataBaseMutationFunctions {
         }
         return false;
       }
-      if (exception.graphqlErrors[i].message ==
-          notifFeatureNotInstalled.message) {
-        if (showSnackBar) {
-          WidgetsBinding.instance.addPostFrameCallback(
-            (_) => navigationService.showTalawaErrorDialog(
-              "Notification Feature is not installed",
-              MessageType.error,
-            ),
-          );
-        }
-        return false;
-      }
     }
     // if the error is unknown
 

lib/utils/event_queries.dart

@@ -10,6 +10,7 @@ class EventQueries {
   ///
   /// This function generates a GraphQL query string to retrieve events
   /// based on the provided organization ID.
+
   String fetchOrgEvents(String orgId) {
     return """
       query {

lib/utils/queries.dart

@@ -147,22 +147,7 @@ class Queries {
               }
             }
             refreshToken
-            androidFirebaseOptions {
-              apiKey
-              appId
-              messagingSenderId
-              projectId
-              storageBucket
-            }
-            iosFirebaseOptions {
-              apiKey
-              appId
-              messagingSenderId
-              projectId
-              storageBucket
-              iosClientId
-              iosBundleId
-            }
+
           }
         }
     """;
@@ -193,21 +178,6 @@ class Queries {
     """;
   }
 
-  /// To save fcm token the backend fro notification.
-  ///
-  /// **params**:
-  /// * `token`: fcm token, read firebase docs for more info
-  ///
-  /// **returns**:
-  /// * `String`: return the mutation
-  String saveFcmToken(String? token) {
-    return """
-        mutation {
-          saveFcmToken(token: "$token")
-        }
-    """;
-  }
-
   /// logout muiation.
   ///
   /// **params**: