added some database persistence

app.py

@@ -565,7 +565,7 @@ if selected_tab == 'Data Load':
             if st.button("Load from Database after inserting site CSV"):
                 if site_var == 'Draftkings':
                     portfolio_load = init_DK_NFL_lineups(type_var, 'Main', 'proj', 50, dk_nfl_showdown_db_translation, 1000, [])
-                    portfolio_file = pd.DataFrame(portfolio_load)
+                    st.session_state['db_portfolio_file'] = pd.DataFrame(portfolio_load)
                     st.session_state['portfolio_loaded'] = True
                     if 'portfolio' in st.session_state:
                         del st.session_state['portfolio']
@@ -573,12 +573,15 @@ if selected_tab == 'Data Load':
                         del st.session_state['export_portfolio']
                 else:
                     portfolio_load = init_FD_NFL_lineups(type_var, 'Main', 'proj', 50, fd_nfl_showdown_db_translation, 1000, [])
-                    portfolio_file = pd.DataFrame(portfolio_load)
+                    st.session_state['db_portfolio_file'] = pd.DataFrame(portfolio_load)
                     st.session_state['portfolio_loaded'] = True
                     if 'portfolio' in st.session_state:
                         del st.session_state['portfolio']
                     if 'export_portfolio' in st.session_state:
                         del st.session_state['export_portfolio']
+            # Use database portfolio if it exists
+            elif 'db_portfolio_file' in st.session_state:
+                st.session_state['portfolio_loaded'] = True
 
         elif upload_toggle == 'SaberSim (Just IDs)' or upload_toggle == 'Draftkings/Fanduel (Names + IDs)':
             portfolio_file = st.file_uploader("Upload Portfolio File (CSV or Excel)", type=['csv', 'xlsx', 'xls'])
@@ -599,6 +602,7 @@ if selected_tab == 'Data Load':
         if 'portfolio' not in st.session_state:
             if st.session_state['portfolio_loaded']:
                 if upload_toggle == 'Paydirt DB':
+                    portfolio_file = st.session_state['db_portfolio_file']
                     st.session_state['export_portfolio'] = portfolio_file
                     st.session_state['portfolio'] = portfolio_file