Update app.py

app.py

@@ -59,7 +59,7 @@ def infer_sentiment(user_text: str) -> str:
     return "positive"  # default
 
 # -----------------------------
-# Retrieval (with fuzzy match)
+# Retrieval (simple fuzzy match)
 # -----------------------------
 def similarity(a, b):
     return SequenceMatcher(None, a, b).ratio()
@@ -82,14 +82,14 @@ def best_match_quote(category: str, sentiment: str, user_text: str) -> str:
             best_score = score
             best_quote = quote
 
-    if best_score < 0.3:  # fuzzy threshold
+    if best_score < 0.3:
         return "I don’t have data on that specific question."
     return best_quote
 
 # -----------------------------
 # Gradio callbacks
 # -----------------------------
-conversation_log = []  # keep all turns for export
+conversation_log = []  # for CSV export
 
 def respond(message, history, category, sentiment_choice):
     if not QUOTES:
@@ -102,15 +102,10 @@ def respond(message, history, category, sentiment_choice):
         history.append((message, bot))
         return "", history
 
-    if sentiment_choice == "auto":
-        sent = infer_sentiment(message)
-    else:
-        sent = sentiment_choice
-
+    sent = infer_sentiment(message) if sentiment_choice == "auto" else sentiment_choice
     bot = best_match_quote(category, sent, message)
     history.append((message, bot))
 
-    # log turn for export
     conversation_log.append({
         "timestamp": datetime.datetime.now().isoformat(),
         "category": category,
@@ -118,11 +113,10 @@ def respond(message, history, category, sentiment_choice):
         "user_message": message,
         "bot_response": bot,
     })
-
     return "", history
 
 def clear_chat():
-    return None
+    return None  # resets Chatbot
 
 def upload_json(filepath):
     global QUOTES
@@ -139,7 +133,11 @@ def upload_json(filepath):
         return f"Error loading file: {e}", gr.update(choices=[])
 
 def download_current():
-    out_name = DATA_PATH or "quotes_export.json"
+    """
+    Return a filepath to download:
+    - If DATA_PATH exists, serve it.
+    - Otherwise, write QUOTES to a temp JSON and serve that.
+    """
     try:
         if DATA_PATH and os.path.exists(DATA_PATH):
             return DATA_PATH
@@ -147,10 +145,14 @@ def download_current():
         with open(tmp, "w", encoding="utf-8") as f:
             json.dump(QUOTES, f, indent=2, ensure_ascii=False)
         return tmp
-    except Exception:
+    except Exception as e:
+        print(f"Download error: {e}")
         return None
 
 def export_conversation():
+    """
+    Write conversation_log to CSV and return the filepath.
+    """
     filename = "conversation_log.csv"
     try:
         with open(filename, "w", newline="", encoding="utf-8") as csvfile:
@@ -160,7 +162,7 @@ def export_conversation():
             writer.writerows(conversation_log)
         return filename
     except Exception as e:
-        print(f"Error exporting CSV: {e}")
+        print(f"CSV export error: {e}")
         return None
 
 # -----------------------------
@@ -183,25 +185,36 @@ with gr.Blocks() as demo:
             value="auto"
         )
 
+    # (Keep the chatbot & inputs exactly as before)
     chatbot = gr.Chatbot(label="Conversation", height=360, type="tuples")
     msg = gr.Textbox(label="Your message", placeholder="Ask something like: 'Is food good in college?'", autofocus=True)
     send = gr.Button("Send")
     clear = gr.Button("Clear")
 
+    # Data I/O area (fix: use Button + non-interactive File outputs)
     with gr.Row():
         uploader = gr.File(label="Upload dataset (.json)", file_types=[".json"], type="filepath")
         upload_status = gr.Textbox(label="Upload status", interactive=False)
-        downloader = gr.File(label="Download current dataset")
-        csv_exporter = gr.File(label="Export conversation (.csv)")
 
-    # Wire events
+    with gr.Row():
+        download_btn = gr.Button("Download current dataset")
+        download_file = gr.File(label="Dataset file (click to download)", interactive=False)
+
+    with gr.Row():
+        export_btn = gr.Button("Export conversation (.csv)")
+        export_file = gr.File(label="Conversation CSV (click to download)", interactive=False)
+
+    # Wiring (unchanged chat)
     msg.submit(respond, [msg, chatbot, category, sentiment], [msg, chatbot])
     send.click(respond, [msg, chatbot, category, sentiment], [msg, chatbot])
     clear.click(clear_chat, None, chatbot, queue=False)
 
+    # Upload stays the same
     uploader.upload(upload_json, uploader, [upload_status, category])
-    downloader.download(download_current)
-    csv_exporter.download(export_conversation)
+
+    # NEW: Buttons trigger functions; results populate non-interactive File outputs
+    download_btn.click(download_current, outputs=download_file)
+    export_btn.click(export_conversation, outputs=export_file)
 
 # -----------------------------
 # Startup log