Add subcription feature 9

shared/service_base.py

@@ -48,6 +48,10 @@ class BaseFastAPIService:
         database_manager: Optional[DatabaseManager] = None,
         expected_tables: Optional[List[str]] = None,
         custom_health_checks: Optional[Dict[str, Callable[[], Any]]] = None,
+        redis_enabled: bool = False,
+        redis_url: Optional[str] = None,
+        redis_db: int = 0,
+        redis_max_connections: int = 50,
         enable_metrics: bool = True,
         enable_health_checks: bool = True,
         enable_cors: bool = True,
@@ -80,6 +84,14 @@ class BaseFastAPIService:
         setup_logging(service_name, log_level)
         self.logger = structlog.get_logger()
 
+        # Initialize Redis client if enabled
+        self.redis_enabled = redis_enabled
+        self.redis_client = None
+        self.redis_initialized = False
+        
+        if redis_enabled:
+            self._initialize_redis(redis_url, redis_db, redis_max_connections)
+
         # Will be set during app creation
         self.app: Optional[FastAPI] = None
         self.health_manager = None