Update app.py

app.py

@@ -151,7 +151,12 @@ prompt = ChatPromptTemplate.from_messages(
 # Build the chain that will combine documents with the prompt.
 question_answer_chain = create_stuff_documents_chain(ChatOpenAI(model_name="gpt-4o-mini", temperature=0), prompt)
 rag_chain = create_retrieval_chain(retriever, question_answer_chain)
-
+def debug_retrieved_docs(user_input):
+    retrieved_docs = retriever.get_relevant_documents(user_input)
+    print(f"DEBUG: Retrieved {len(retrieved_docs)} documents.")
+    for i, doc in enumerate(retrieved_docs):
+        print(f"Doc {i+1}: {doc.metadata}")
+    return retrieved_docs
 # -------------------------------
 # Gradio Interface and Conversation Handling
 # -------------------------------
@@ -207,7 +212,11 @@ def message_and_history(message, history):
     conversation_context = "\n".join(
         [f"{msg['role']}: {msg['content'].replace('<b>LA2050 Navigator:</b><br>', '')}" for msg in history[-3:]]
     )
-
+    retrieved_docs = retriever.get_relevant_documents(conversation_context)
+    print(f"DEBUG: Retrieved {len(retrieved_docs)} documents.")
+    for i, doc in enumerate(retrieved_docs):
+        # Print out key metadata fields to verify correctness.
+        print(f"Doc {i+1} Metadata: {doc.metadata}")
     chain_input = {"input": conversation_context}
     
     try: