Update app.py

app.py

@@ -6,6 +6,7 @@ from pathlib import Path
 from typing import Dict, List, Optional, Any
 from datetime import datetime
 from threading import Lock
+from langchain.text_splitter import RecursiveCharacterTextSplitter
 
 from utils.database import (
     # Base database operations
@@ -369,8 +370,9 @@ def main():
     with col2:
         st.title("SYNAPTYX - RFP Analysis Agent")
     
-    # Sidebar with chat controls
+    # Single sidebar implementation
     with st.sidebar:
+        # Chat Controls Section
         st.title("💬 Chat Controls")
         
         # New Chat button
@@ -381,9 +383,42 @@ def main():
         
         st.divider()
         
-        # Collection management below
+        # Document Manager Section
         st.title("📚 Document Manager")
-        display_collection_sidebar()
+        
+        # Collection Creation Button
+        if st.button("➕ Create New Collection"):
+            st.session_state.show_collection_dialog = True
+
+        # Collection Selection
+        collections = get_collections(st.session_state.db_conn)
+        if collections:
+            upload_to = st.selectbox(
+                "Select Collection",
+                options=["Select Collection..."] + [c['name'] for c in collections],
+                key="upload_destination"
+            )
+        
+        # Upload Section
+        st.header("Upload Documents")
+        uploaded_files = st.file_uploader(
+            "Upload PDF documents",
+            type=['pdf'],
+            accept_multiple_files=True,
+            help="Limit 200MB per file • PDF"
+        )
+
+        if uploaded_files and upload_to != "Select Collection...":
+            collection_id = next(
+                (c['id'] for c in collections if c['name'] == upload_to),
+                None
+            )
+            if collection_id:
+                handle_document_upload(uploaded_files, collection_id=collection_id)
+    
+    # Show collection creation dialog if triggered
+    if st.session_state.get('show_collection_dialog', False):
+        show_collection_creation_dialog()
     
     # Main content area
     tab1, tab2 = st.tabs(["Chat", "Collections"])
@@ -401,6 +436,7 @@ def main():
     with tab2:
         from components.collection_manager import display_enhanced_collections
         display_enhanced_collections()
+        
         # After collection operations, check if we need to reinitialize chat
         if st.session_state.get('reinitialize_chat'):
             initialize_chat_from_collection()