Enhance contest data upload feedback in app.py

- Updated the export_contest_file function to return user feedback messages for both existing contest data and successful uploads, improving user experience.
- Modified the user interface to display these messages in a dedicated column, ensuring clear communication of the upload status.

app.py

@@ -64,8 +64,8 @@ def export_contest_file(db, sport, type, contest_date, contest_id, contest_data)
         cursor = collection.find()
         contest_import = pd.DataFrame(list(cursor)).drop('_id', axis=1)
         if contest_id in contest_import['Contest ID'].values:
-            st.info("Data for this contest already exists, no need to upload, but we appreciate the effort!")
-            return
+            return_message = st.info("Data for this contest already exists, no need to upload, but we appreciate the effort!")
+            return return_message
     except:
         contest_import = pd.DataFrame(columns = ['Rank', 'EntryId', 'EntryName', 'TimeRemaining', 'Points', 'Lineup', 'Player', 'Roster Position', '%Drafted', 'FPTS', 'Contest Date', 'Contest ID'])
     
@@ -83,8 +83,9 @@ def export_contest_file(db, sport, type, contest_date, contest_id, contest_data)
                 break
             except Exception as e:
                 print(f"Retry due to error: {e}")
+    return_message = st.success("Contest data uploaded successfully! We appreciate the data!")
 
-    return
+    return return_message
 
 db = init_conn()
 
@@ -172,12 +173,14 @@ with tab1:
         st.session_state['Contest'] = st.session_state['Contest'].dropna(how='all')
         st.session_state['Contest'] = st.session_state['Contest'].reset_index(drop=True)
         if st.session_state['Contest'] is not None:
-            success_col, blank_col, upload_col = st.columns([2, 1, 1])
+            success_col, blank_col, upload_col, message_col = st.columns([2, 1, 1, 1])
             with success_col:
                 st.success('Contest file loaded successfully!')
             with upload_col:
                 if st.button('Send file to Database?', key='export_contest_file'):
-                    export_contest_file(db, sport_select, type_var, date_select, contest_id_map[contest_name_var], st.session_state['Contest_file'])
+                    return_message = export_contest_file(db, sport_select, type_var, date_select, contest_id_map[contest_name_var], st.session_state['Contest_file'])
+            with message_col:
+                st.info(return_message)
             st.dataframe(st.session_state['Contest'].head(100))
         
     if 'Contest_file' in st.session_state: