Update routes/sendnotifications.py

routes/sendnotifications.py

@@ -1,5 +1,6 @@
 import os
 import aiohttp
+import hashlib
 from fastapi import APIRouter, HTTPException, Header
 from pydantic import BaseModel
 from google.oauth2 import service_account
@@ -36,6 +37,10 @@ class NotificationRequest(BaseModel):
     keyword: str
     target_user_id: str
 
+def short_collapse_key(follower_id: str, target_user_id: str) -> str:
+    raw = f"follow:{follower_id}:{target_user_id}"
+    return hashlib.sha1(raw.encode()).hexdigest()[:20]  # 20 chars = 40 hex bytes
+    
 async def verify_user_token(user_token: str) -> str:
     headers = {
         "Authorization": f"Bearer {user_token}",
@@ -168,7 +173,8 @@ async def send_notification(
     title = "🎉 New Follower!"
     body = f"{follower_name} started following you."
 
-    # Envio da notificação com collapse_key para evitar spam
+    collapse_id = short_collapse_key(follower_id, target_user_id)
+
     payload = {
         "message": {
             "notification": {
@@ -177,11 +183,11 @@ async def send_notification(
             },
             "token": target_user["token_fcm"],
             "android": {
-                "collapse_key": f"follow_{follower_id}_{target_user_id}"
+                "collapse_key": collapse_id
             },
             "apns": {
                 "headers": {
-                    "apns-collapse-id": f"follow_{follower_id}_{target_user_id}"
+                    "apns-collapse-id": collapse_id
                 }
             }
         }