add image in to Video table

app.py

@@ -76,6 +76,7 @@ def process_video_in_background(video_data: bytes, video_guid: str, filename: st
         temp_path = temp_video_file.name
     cap = cv2.VideoCapture(temp_path)
     frame_number = 0
+    first_frame_saved = False
     while cap.isOpened():
         ret, frame = cap.read()
         if not ret: break
@@ -93,12 +94,10 @@ def process_video_in_background(video_data: bytes, video_guid: str, filename: st
                         supabase.storage.from_(bucket_name).upload(path=frame_path, file=frame_bytes, file_options={"content-type": "image/jpeg"})
                         frame_url = supabase.storage.from_(bucket_name).get_public_url(frame_path)
                         supabase.table("detected_frames").insert({"video_guid": video_guid, "frame_image_url": frame_url, "frame_number": frame_number, "status": "In Progress"}).execute()
-                        if video_guid not in first_frame_set:
+                        if not first_frame_saved:
                             supabase.table("videos").update({"image_url": frame_url
                             }).eq("video_guid", video_guid).execute()
-
-                    # Mark as processed so it won’t run again for the same video_guid
-                    first_frame_set[video_guid] = True
+                            first_frame_saved = True                    
                     
                     except Exception as e:
                         print(f"Error saving frame {frame_number}: {str(e)}")