refac: memory handling

backend/open_webui/models/memories.py

@@ -71,9 +71,13 @@ class MemoriesTable:
     ) -> Optional[MemoryModel]:
         with get_db() as db:
             try:
-                db.query(Memory).filter_by(id=id, user_id=user_id).update(
+                memory = db.get(Memory, id)
-                    {"content": content, "updated_at": int(time.time())}
+                if not memory or memory.user_id != user_id:
-                )
+                    return None
+
+                memory.content = content
+                memory.updated_at = int(time.time())
+
                 db.commit()
                 return self.get_memory_by_id(id)
             except Exception:
@@ -127,7 +131,12 @@ class MemoriesTable:
     def delete_memory_by_id_and_user_id(self, id: str, user_id: str) -> bool:
         with get_db() as db:
             try:
-                db.query(Memory).filter_by(id=id, user_id=user_id).delete()
+                memory = db.get(Memory, id)
+                if not memory or memory.user_id != user_id:
+                    return None
+
+                # Delete the memory
+                db.delete(memory)
                 db.commit()
 
                 return True

backend/open_webui/routers/memories.py

@@ -82,6 +82,10 @@ class QueryMemoryForm(BaseModel):
 async def query_memory(
     request: Request, form_data: QueryMemoryForm, user=Depends(get_verified_user)
 ):
+    memories = Memories.get_memories_by_user_id(user.id)
+    if not memories:
+        raise HTTPException(status_code=404, detail="No memories found for user")
+
     results = VECTOR_DB_CLIENT.search(
         collection_name=f"user-memory-{user.id}",
         vectors=[request.app.state.EMBEDDING_FUNCTION(form_data.content, user=user)],