feat: add Qdrant configuration and handle disabled state in QdrantService

app/core/config.py

@@ -90,6 +90,7 @@ class Settings(BaseSettings):
 
 
     # Qdrant Vector DB
+    QDRANT_ENABLED: bool = False
     QDRANT_HOST: str = "localhost"
     QDRANT_PORT: int = 6333
     QDRANT_URL: Optional[str] = None

app/services/qdrant_client.py

@@ -7,6 +7,11 @@ import uuid
 
 class QdrantService:
     def __init__(self):
+        self.collection_name = "fashion_items"
+        self.client = None
+        if not settings.QDRANT_ENABLED:
+            logging.info("Qdrant is disabled (QDRANT_ENABLED=false); vector search will return empty results.")
+            return
         if settings.QDRANT_URL:
             self.client = QdrantClient(
                 url=settings.QDRANT_URL,
@@ -18,7 +23,6 @@ class QdrantService:
                 port=settings.QDRANT_PORT,
                 api_key=settings.QDRANT_API_KEY
             )
-        self.collection_name = "fashion_items"
         self._ensure_collection_exists()
 
     def _ensure_collection_exists(self):
@@ -38,6 +42,8 @@ class QdrantService:
             logging.error(f"Error initializing Qdrant: {e}")
 
     def upsert_vector(self, vector_id: uuid.UUID, vector: List[float], payload: Dict[str, Any]) -> bool:
+        if self.client is None:
+            return False
         try:
             self.client.upsert(
                 collection_name=self.collection_name,
@@ -55,6 +61,8 @@ class QdrantService:
             return False
 
     def search_similar(self, vector: List[float], limit: int = 10, filter_dict: Dict[str, Any] = None) -> List[Dict[str, Any]]:
+        if self.client is None:
+            return []
         try:
             # Build filters if any
             query_filter = None
@@ -83,6 +91,8 @@ class QdrantService:
             return []
 
     def delete_vector(self, vector_id: uuid.UUID) -> bool:
+        if self.client is None:
+            return False
         try:
             self.client.delete(
                 collection_name=self.collection_name,