Update app,py

app.py

@@ -3,18 +3,33 @@ from openai import OpenAI
 import time
 import os
 import pandas as pd
-import datetime
-from huggingface_hub import HfApi, upload_file
+from datetime import datetime
 
-# Environment variables
+# Get environment variables
 generated_user = os.getenv("User")
 generated_password = os.getenv("Password")
 openai_key = os.getenv("openai_key")
 assistant_id = os.getenv("ASSISTANT_ID")
-hf_token = os.getenv("HF_TOKEN")
 
+# Load or create transcript file
 transcript_file = "transcripts.xlsx"
+if not os.path.exists(transcript_file):
+    df = pd.DataFrame(columns=["timestamp", "thread_id", "role", "message"])
+    df.to_excel(transcript_file, index=False)
 
+# Function to append to transcript
+def append_to_transcript(thread_id, role, message):
+    df_existing = pd.read_excel(transcript_file)
+    new_entry = pd.DataFrame({
+        "timestamp": [datetime.now().strftime("%Y-%m-%d %H:%M:%S")],
+        "thread_id": [thread_id],
+        "role": [role],
+        "message": [message]
+    })
+    updated_df = pd.concat([df_existing, new_entry], ignore_index=True)
+    updated_df.to_excel(transcript_file, index=False)
+
+# Streamlit UI setup
 st.set_page_config(page_title="Carfind.co.za AI Assistant", layout="wide")
 st.markdown("<h1 style='text-align: center;'>🚗 Carfind.co.za AI Assistant</h1>", unsafe_allow_html=True)
 st.caption("Chat with Carfind.co.za and find your next car fast")
@@ -27,37 +42,6 @@ st.markdown("""
     </style>
 """, unsafe_allow_html=True)
 
-# Save chat to Excel and push to Hugging Face repo
-def append_to_transcript(thread_id, role, message):
-    timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-    new_entry = {
-        "Timestamp": timestamp,
-        "Thread_ID": thread_id,
-        "Role": role,
-        "Message": message
-    }
-    try:
-        if os.path.exists(transcript_file):
-            df = pd.read_excel(transcript_file)
-            df = pd.concat([df, pd.DataFrame([new_entry])], ignore_index=True)
-        else:
-            df = pd.DataFrame([new_entry])
-        df.to_excel(transcript_file, index=False)
-        
-        # Upload updated transcripts.xlsx to Hugging Face
-        api = HfApi(token=hf_token)
-        upload_file(
-            path_or_fileobj=transcript_file,
-            path_in_repo="transcripts.xlsx",
-            repo_id="IAMTFRMZA/cfaiassistant",
-            repo_type="space",
-            token=hf_token,
-            commit_message=f"Transcript update {timestamp}"
-        )
-    except Exception as e:
-        st.error(f"Transcript logging failed: {str(e)}")
-
-# Authentication
 if "authenticated" not in st.session_state:
     st.session_state.authenticated = False
 
@@ -65,6 +49,7 @@ if not st.session_state.authenticated:
     st.subheader("🔑 Login")
     username = st.text_input("Username")
     password = st.text_input("Password", type="password")
+
     if username and password:
         if username == generated_user and password == generated_password:
             st.session_state.authenticated = True
@@ -72,8 +57,7 @@ if not st.session_state.authenticated:
             time.sleep(1)
             st.rerun()
         else:
-            st.error("Incorrect username or password.")
-
+            st.error("Incorrect username or password. Please try again.")
 else:
     st.divider()
 
@@ -90,15 +74,16 @@ else:
             st.success("Chat cleared.")
             st.rerun()
 
-    if openai_key and assistant_id and hf_token:
+    if openai_key and assistant_id:
         client = OpenAI(api_key=openai_key)
 
         if user_input:
+            # Create thread if not exists
             if not st.session_state["thread_id"]:
                 thread = client.beta.threads.create()
                 st.session_state["thread_id"] = thread.id
 
-            # Add user message and log
+            # Add user message
             client.beta.threads.messages.create(
                 thread_id=st.session_state["thread_id"], role="user", content=user_input
             )
@@ -117,19 +102,22 @@ else:
                             break
                         time.sleep(1)
 
+                # Get full conversation
                 messages_response = client.beta.threads.messages.list(
                     thread_id=st.session_state["thread_id"]
                 )
 
                 assistant_icon_html = "<img src='https://www.carfind.co.za/images/Carfind-Icon.svg' width='22' style='vertical-align:middle;'/>"
 
-                # Display chat conversation
-                for msg in reversed(messages_response.data):
+                # Display newest-first
+                messages_sorted = sorted(messages_response.data, key=lambda x: x.created_at, reverse=True)
+                for msg in messages_sorted:
                     if msg.role == "user":
                         st.markdown(
                             f"<div style='background-color:#f0f0f0; color:#000000; padding:10px; border-radius:8px; margin:5px 0;'>"
                             f"👤 <strong>You:</strong> {msg.content[0].text.value}"
-                            f"</div>", unsafe_allow_html=True
+                            f"</div>", 
+                            unsafe_allow_html=True
                         )
                     else:
                         response_text = msg.content[0].text.value
@@ -137,10 +125,18 @@ else:
                         st.markdown(
                             f"<div style='background-color:#D6E9FE; color:#000000; padding:10px; border-radius:8px; margin:5px 0;'>"
                             f"{assistant_icon_html} <strong>Carfind Assistant:</strong> {response_text}"
-                            f"</div>", unsafe_allow_html=True
+                            f"</div>", 
+                            unsafe_allow_html=True
                         )
+
+                # Scroll to top automatically
+                st.markdown("""
+                    <script>
+                        window.scrollTo(0, 0);
+                    </script>
+                """, unsafe_allow_html=True)
+
             except Exception as e:
                 st.error(f"An error occurred: {str(e)}")
     else:
-        st.error("⚠️ Missing OpenAI key, Assistant ID or HF token. Please check Hugging Face secrets.")
-
+        st.error("⚠️ OpenAI key or Assistant ID not found. Please ensure both are set as Hugging Face secrets.")