Update app.py

app.py

@@ -114,8 +114,27 @@ def create_conversational_rag_chain(vectorstore):
 def main():
     """Main function for the Streamlit app."""
     # Initialize chat history if not already present in session state
+
+    documents = []
+    
     script_dir = os.path.dirname(os.path.abspath(__file__))
     data_path = os.path.join(script_dir, "data/")
+    if not os.path.exists(data_path):
+        st.error(f"Data path does not exist: {data_path}")
+        return
+    
+    try:
+        # Load documents from the data path
+        documents = load_txt_documents(data_path)
+        if not documents:
+            st.warning("No documents found in the data path.")
+        else:
+            # Split the documents into chunks
+            docs = split_docs(documents, 350, 40)
+            # Add your logic here to use `docs`
+            st.success("Documents loaded and processed successfully.")
+    except Exception as e:
+        st.error(f"An error occurred while loading documents: {e}")