feat(web): enable service worker processing of notifications

[skip ci]

Author: jagandeepbrar

.github/workflows/prepare.yml

@@ -25,6 +25,8 @@ on:
         value: ${{ jobs.build-details.outputs.build-version }}
 
     secrets:
+      FIREBASE_SERVICE_WORKER:
+        required: true
       FIREBASE_TOKEN:
         required: true
       SENTRY_DSN:
@@ -142,6 +144,9 @@ jobs:
       - name: Generate Changelog
         run: dart ${{github.workspace }}/scripts/generate_changelog.dart ${{ needs.build-details.outputs.build-flavor }}
 
+      - name: Generate Firebase Service Worker
+        run: echo ${{ secrets.FIREBASE_SERVICE_WORKER }} | base64 --decode > web/firebase-messaging-sw.js
+
       - name: Generate Build Runner Files
         run: flutter packages pub run build_runner build
 
@@ -154,3 +159,4 @@ jobs:
             ${{ github.workspace }}/assets/localization
             ${{ github.workspace }}/lib/**/*.g.dart
             ${{ github.workspace }}/lib/system/environment.dart
+            ${{ github.workspace }}/web/firebase-messaging-sw.js

.github/workflows/release.yml

@@ -24,6 +24,7 @@ jobs:
     with:
       flavor: ${{ inputs.flavor }}
     secrets:
+      FIREBASE_SERVICE_WORKER: ${{ secrets.FIREBASE_SERVICE_WORKER }}
       FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
       SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
 

lib/firebase/core.dart

@@ -1,8 +1,6 @@
 import 'package:firebase_core/firebase_core.dart';
 import 'package:lunasea/system/platform.dart';
-
-// ignore: always_use_package_imports
-import 'options.dart';
+import 'package:lunasea/firebase/options.dart';
 
 class LunaFirebase {
   static bool get isSupported {

lib/firebase/firestore.dart

@@ -7,7 +7,7 @@ import 'package:lunasea/firebase/types.dart';
 class LunaFirebaseFirestore {
   /// Returns an instance of [FirebaseFirestore].
   ///
-  /// Throws an errof if [LunaFirebase.initialize] has not been called.
+  /// Throws an error if [LunaFirebase.initialize] has not been called.
   static FirebaseFirestore get instance => FirebaseFirestore.instance;
 
   /// Add a backup entry to Firestore. Returns true if successful, and false on any error.