Update app.py

app.py

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+import streamlit as st
+import os
+import shutil
+from hybrid_search import multimodelrag
+import warnings
+
+warnings.filterwarnings("ignore")
+
+# Streamlit UI
+st.set_page_config(layout="wide")
+st.title("AI Document Processor with Conversational RAG")
+
+# Initialize conversation history in session state
+if "conversation_history" not in st.session_state:
+    st.session_state.conversation_history = []
+
+# Sidebar for file upload and settings
+with st.sidebar:
+    uploaded_files = st.file_uploader(
+        "Upload multiple files (PDF, DOCX, Excel, CSV)",
+        type=["pdf", "docx", "xlsx", "csv"],
+        accept_multiple_files=True
+    )
+
+    embeding = st.selectbox("Select Memory Mode", ["open_source", "openai"], index=0)
+    conversation = st.selectbox("Number of conversation", [2, 4, 6], index=0)
+    llm_option = st.selectbox("Select LLM Model", ["GPT-4o", "GPT-4o-mini"], index=1)
+
+    temp_dir = "temp_uploaded_files"
+    
+    # Clear the previous uploads when new files are uploaded
+    if uploaded_files:
+        if os.path.exists(temp_dir):
+            shutil.rmtree(temp_dir)  # Delete the old directory and its contents
+        os.makedirs(temp_dir)  # Create a fresh directory
+
+        file_paths = []  # List to store saved file paths
+        for file in uploaded_files:
+            file_path = os.path.join(temp_dir, file.name)
+            with open(file_path, "wb") as f:
+                f.write(file.read())  # Save file locally
+            file_paths.append(file_path)
+            st.write(f"✅ Saved: {file.name}")
+
+# Chat interface
+st.write("### Chat Interface")
+
+chat_display = "\n".join(st.session_state.conversation_history)
+# st.text_area("Conversation History", chat_display, height=300, disabled=True)
+
+# Input for user question
+user_input = st.text_input("Ask a question:")
+llm_model = llm_option
+
+if st.button("Retrieve and Answer"):
+    if user_input or uploaded_files:
+        answer = multimodelrag(user_input, file_paths, embeding,  llm_model,conversation)
+
+        # Update conversation history
+        st.session_state.conversation_history.append(f"User: {user_input}")
+        st.session_state.conversation_history.append(f"AI: {answer}")
+
+        # Refresh chat display
+        chat_display = "\n".join(st.session_state.conversation_history)
+        st.text_area("Conversation History", chat_display, height=400, disabled=True)
+
+        st.write("### Answer:")
+        st.write(answer)
+
+