fix: qdrant delete method

vectordbs/qdrant.py

@@ -5,6 +5,7 @@
 from semantic_router.encoders import BaseEncoder
 from tqdm import tqdm
 
+from models.delete import DeleteResponse
 from models.document import BaseDocumentChunk
 from vectordbs.base import BaseVectorDatabase
 
@@ -89,6 +90,29 @@ async def query(self, input: str, top_k: int = MAX_QUERY_TOP_K) -> List:
         ]
 
     async def delete(self, file_url: str) -> None:
+
+        #         client.count(
+        #     collection_name="{collection_name}",
+        #     count_filter=models.Filter(
+        #         must=[
+        #             models.FieldCondition(key="color", match=models.MatchValue(value="red")),
+        #         ]
+        #     ),
+        #     exact=True,
+        # )
+
+        deleted_chunks = self.client.count(
+            collection_name=self.index_name,
+            count_filter=rest.Filter(
+                must=[
+                    rest.FieldCondition(
+                        key="file_url", match=rest.MatchValue(value=file_url)
+                    )
+                ]
+            ),
+            exact=True,
+        )
+
         self.client.delete(
             collection_name=self.index_name,
             points_selector=rest.FilterSelector(
@@ -101,3 +125,5 @@ async def delete(self, file_url: str) -> None:
                 )
             ),
         )
+
+        return DeleteResponse(num_of_deleted_chunks=deleted_chunks.count)