feat:change search transcript content api return format

app.py

@@ -134,4 +134,4 @@ with gr.Blocks() as demo:
 
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()

utils/utils.py

@@ -1,4 +1,5 @@
 import os
+import json
 
 import openai
 import pandas as pd
@@ -60,6 +61,16 @@ def search_transcript_content(transcript_id, user_question):
         by="distance", ascending=True
     )
     if transcript_db["distance"].values[0] > 0.2:
-        return "Sorry, I can't find the content."
+        result = {
+            "success": False,
+            "result": None
+        }
+        return json.dumps(result)
     
-    return transcript_db.iloc[0]["text"]
+    # return transcript_db["text"] in json format
+    result = {
+        "success": True,
+        "result": [text for text in transcript_db["text"].values]
+    }
+    
+    return json.dumps(result)