Add notification sending (flipperdevices#3449)

Co-authored-by: あく <alleteam@gmail.com>

.github/workflows/reindex.yml

@@ -1,15 +1,32 @@
-name: 'Reindex'
+name: 'Post-release hooks'
 
 on:
   release:
-    types: [prereleased,released]
+    types: [prereleased, released]
 
 jobs:
   reindex:
-    name: 'Reindex updates'
+    name: 'Post-release hooks'
     runs-on: [self-hosted, FlipperZeroShell]
     steps:
-      - name: Trigger reindex
+      - name: 'Checkout code'
+        uses: actions/checkout@v4
+
+      - name: 'Trigger reindex'
         run: |
           curl --fail -L -H "Token: ${{ secrets.INDEXER_TOKEN }}" \
-              "${{ secrets.INDEXER_URL }}"/firmware/reindex
+              "${{ secrets.INDEXER_URL }}"/firmware/reindex;
+
+      - name: 'Send release notification'
+        if: ${{ github.event.action == 'released' }}
+        run: |
+          echo '${{ secrets.FIREBASE_TOKEN }}' > firebase-token.json;
+          python3 -m pip install firebase-admin==6.4.0;
+          python3 scripts/send_firebase_notification.py \
+              "--version=${{ github.event.release.name }}" \
+              "--token=firebase-token.json";
+
+      - name: 'Remove firebase token'
+        if: always()
+        run: |
+          rm -rf firebase-token.json;

scripts/send_firebase_notification.py

@@ -0,0 +1,44 @@
+import argparse
+import logging
+from firebase_admin import messaging, credentials, initialize_app
+
+
+class FirebaseNotifications:
+    def __init__(self, service_account_file):
+        try:
+            cred = credentials.Certificate(service_account_file)
+            self.firebase_app = initialize_app(cred)
+        except Exception as e:
+            logging.exception(e)
+            raise e
+
+    def send(self, title, body, condition):
+        try:
+            message = messaging.Message(
+                notification=messaging.Notification(title=title, body=body),
+                condition=condition,
+            )
+            messaging.send(message, app=self.firebase_app)
+        except Exception as e:
+            logging.exception(e)
+            raise e
+
+
+def parse_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--token_file", help="Firebase token file", required=True)
+    parser.add_argument(
+        "--version", help="Firmware version to notify with", required=True
+    )
+    args = parser.parse_args()
+    return args
+
+
+if __name__ == "__main__":
+    args = parse_args()
+    notification = FirebaseNotifications(args.token_file)
+    notification.send(
+        title="Firmware Update Available",
+        body=f"New firmware version is ready to install: {args.version}",
+        condition="'flipper_update_firmware_release' in topics",
+    )