Update app.py

app.py

@@ -136,11 +136,11 @@ def load_chatbot():
     
 def main():
     hide_streamlit_style = """
-        <style>
-        #MainMenu {visibility: hidden;}
-        footer {visibility: hidden;}
-        </style>
-        """
+    <style>
+    #MainMenu {visibility: hidden;}
+    footer {visibility: hidden;}
+    </style>
+    """
     st.markdown(hide_streamlit_style, unsafe_allow_html=True)
 
     st.title("Welcome to BinDocs ChatBot! 🤖")
@@ -153,9 +153,6 @@ def main():
     if "chat_history" not in st.session_state:
         st.session_state['chat_history'] = []
 
-    if "button_clicked" not in st.session_state:
-        st.session_state['button_clicked'] = None
-
     display_chat_history(st.session_state['chat_history'])
 
     st.write("<!-- Start Spacer -->", unsafe_allow_html=True)
@@ -163,7 +160,7 @@ def main():
     st.write("<!-- End Spacer -->", unsafe_allow_html=True)
 
     if pdf_path is not None:
-        query = st.text_input("Ask questions about your PDF file (in any preferred language):")
+        query = st.text_input("Ask questions about your PDF file (in any preferred language):", key="user_query")
 
         cloud_buttons = [
             ("Was genau ist ein Belegarzt?", "Was genau ist ein Belegarzt?", "1"),
@@ -174,20 +171,23 @@ def main():
         for label, query, color in cloud_buttons:
             cloud_button(label, query, color=color)
 
-        # Handle button click from cloud buttons
-        if st.session_state['button_clicked']:
-            query = st.session_state['button_clicked']['query']
-            st.session_state['chat_history'].append(("User", query, "new"))
-            st.session_state['button_clicked'] = None
-            handle_response(query, pdf_path)
+        user_input = st.empty()
 
-        # Handle text input submission
-        if st.button("Ask") or (query and query != st.session_state.get('last_query')):
-            st.session_state['chat_history'].append(("User", query, "new"))
-            st.session_state['last_query'] = query
-            handle_response(query, pdf_path)
+        if "button_clicked" in st.session_state and st.session_state.button_clicked:
+            user_input = st.session_state.button_clicked["query"]
+            handle_query(user_input, pdf_path)
+            st.session_state.button_clicked = None
 
-def handle_response(query, pdf_path):
+        if st.button("Ask"):
+            user_input = st.session_state.user_query
+            handle_query(user_input, pdf_path)
+
+def handle_query(query, pdf_path):
+    if not query:
+        st.warning("Please enter a query.")
+        return
+
+    st.session_state['chat_history'].append(("User", query, "new"))
     loading_message = st.empty()
     loading_message.text('Bot is thinking...')
 
@@ -198,14 +198,9 @@ def handle_response(query, pdf_path):
         response = chain.run(input_documents=docs, question=query)
 
     st.session_state['chat_history'].append(("Bot", response, "new"))
-    new_messages = st.session_state['chat_history'][-2:]
-    for chat in new_messages:
-        background_color = "#FFA07A" if chat[2] == "new" else "#acf" if chat[0] == "User" else "#caf"
-        st.markdown(f"<div style='background-color: {background_color}; padding: 10px; border-radius: 10px; margin: 10px;'>{chat[0]}: {chat[1]}</div>", unsafe_allow_html=True)
-
-    st.write("<script>document.getElementById('response').scrollIntoView();</script>", unsafe_allow_html=True)
+    display_chat_history(st.session_state['chat_history'][-2:])
     loading_message.empty()
     st.session_state['chat_history'] = [(sender, msg, "old") for sender, msg, _ in st.session_state['chat_history']]
 
 if __name__ == "__main__":
-    main()
+    main()