Refactor CSV export functionality in app.py to conditionally display download buttons based on selected variable. Users can now export either marketshares or matchups data as CSV files, enhancing data export options.

app.py

@@ -123,9 +123,17 @@ with col2:
         display_parsed = display_parsed.set_index('Line')
         st.dataframe(display_parsed.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').format(percentages_format, precision=2), height=500, use_container_width = True)
 
-st.download_button(
-    label="Export Marketshares (CSV)",
-    data=convert_df_to_csv(display_table),
-    file_name='Marketshares_export.csv',
-    mime='text/csv',
-)
+if split_var1 == 'Line Marketshares':
+    st.download_button(
+        label="Export Marketshares (CSV)",
+        data=convert_df_to_csv(display_table),
+        file_name='Marketshares_export.csv',
+        mime='text/csv',
+    )
+elif split_var1 == 'Slate Matchups':
+    st.download_button(
+        label="Export Matchups (CSV)",
+        data=convert_df_to_csv(display_table),
+        file_name='Matchups_export.csv',
+        mime='text/csv',
+    )