post changes

backend/vector_store.py

@@ -76,7 +76,7 @@ class VectorStore:
         Create the collection with proper configuration.
         
         Returns:
-            bool: True if collection was created successfully
+            bool: True if collection was created successfully or already exists
         """
         try:
             print(f"Creating new collection: {self.collection_name}")
@@ -120,6 +120,11 @@ class VectorStore:
             return True
             
         except Exception as e:
+            # Check if the error is because collection already exists
+            if "already exists" in str(e).lower() or "ALREADY_EXISTS" in str(e):
+                print(f"Collection '{self.collection_name}' already exists, using existing collection")
+                return True
+            
             error_msg = f"Failed to create collection {self.collection_name}: {str(e)}"
             logger.error(error_msg, exc_info=True)
             print(error_msg)
@@ -135,11 +140,23 @@ class VectorStore:
         try:
             # First, check if collection exists and is accessible
             if await self._collection_exists_and_accessible():
+                print(f"Collection '{self.collection_name}' is ready to use")
                 return True
             
-            # If not accessible, try to create it
-            print(f"Collection '{self.collection_name}' not found or not accessible, creating...")
-            return await self._create_collection()
+            # If not accessible, try to create it (or verify it exists)
+            print(f"Collection '{self.collection_name}' not immediately accessible, attempting to create/verify...")
+            created = await self._create_collection()
+            
+            # After creation attempt, verify it's accessible
+            if created and await self._collection_exists_and_accessible():
+                print(f"Collection '{self.collection_name}' is now ready to use")
+                return True
+            elif created:
+                # Created successfully but not immediately accessible, which is okay
+                print(f"Collection '{self.collection_name}' created/verified successfully")
+                return True
+            else:
+                return False
             
         except Exception as e:
             error_msg = f"Failed to ensure collection exists: {str(e)}"