refac

backend/open_webui/apps/retrieval/main.py

@@ -649,7 +649,7 @@ def save_docs_to_vector_db(
         )
         if existing_docs:
             log.info(f"Document with hash {metadata['hash']} already exists")
-            return True
+            raise ValueError(ERROR_MESSAGES.DUPLICATE_CONTENT)
 
     if split:
         text_splitter = RecursiveCharacterTextSplitter(

backend/open_webui/constants.py

@@ -94,6 +94,8 @@ class ERROR_MESSAGES(str, Enum):
         lambda size="": f"Oops! The file you're trying to upload is too large. Please upload a file that is less than {size}."
     )
 
+    DUPLICATE_CONTENT = "The content provided is a duplicate. Please ensure that the content is unique before proceeding."
+
 
 class TASKS(str, Enum):
     def __str__(self) -> str: