Refactor player filtering logic in 'app.py' to use direct row slicing instead of session state columns, improving performance and simplifying code for player and team management in Showdown mode.

app.py

@@ -1279,11 +1279,11 @@ if selected_tab == 'Manage Portfolio':
                         if player_remove:
                             if type_var == 'Showdown':
                                 if cpt_flex_focus == 'CPT':
-                                    remove_mask = parsed_frame[st.session_state['player_columns'][0]].apply(
+                                    remove_mask = parsed_frame[0:1].apply(
                                         lambda row: not any(player in list(row) for player in player_remove), axis=1
                                     )
                                 elif cpt_flex_focus == 'FLEX':
-                                    remove_mask = parsed_frame[st.session_state['player_columns'][1:]].apply(
+                                    remove_mask = parsed_frame[1:].apply(
                                         lambda row: not any(player in list(row) for player in player_remove), axis=1
                                     )
                                 elif cpt_flex_focus == 'Overall':
@@ -1300,11 +1300,11 @@ if selected_tab == 'Manage Portfolio':
                         if player_lock:
                             if type_var == 'Showdown':
                                 if cpt_flex_focus == 'CPT':
-                                    lock_mask = parsed_frame[st.session_state['player_columns'][0]].apply(
+                                    lock_mask = parsed_frame[0:1].apply(
                                         lambda row: all(player in list(row) for player in player_lock), axis=1
                                     )
                                 elif cpt_flex_focus == 'FLEX':
-                                    lock_mask = parsed_frame[st.session_state['player_columns'][1:]].apply(
+                                    lock_mask = parsed_frame[1:].apply(
                                         lambda row: all(player in list(row) for player in player_lock), axis=1
                                     )
                                 elif cpt_flex_focus == 'Overall':
@@ -1320,11 +1320,11 @@ if selected_tab == 'Manage Portfolio':
                         if team_include:
                             if type_var == 'Showdown':
                                 if cpt_flex_focus == 'CPT':
-                                    include_mask = parsed_frame[st.session_state['player_columns'][0]].apply(
+                                    include_mask = parsed_frame[0:1].apply(
                                         lambda row: any(team in list(row) for team in team_include), axis=1
                                     )
                                 elif cpt_flex_focus == 'FLEX':
-                                    include_mask = parsed_frame[st.session_state['player_columns'][1:]].apply(
+                                    include_mask = parsed_frame[1:].apply(
                                         lambda row: any(team in list(row) for team in team_include), axis=1
                                     )
                                 elif cpt_flex_focus == 'Overall':
@@ -1346,11 +1346,11 @@ if selected_tab == 'Manage Portfolio':
                         if team_remove:
                             if type_var == 'Showdown':
                                 if cpt_flex_focus == 'CPT':
-                                    remove_mask = parsed_frame[st.session_state['player_columns'][0]].apply(
+                                    remove_mask = parsed_frame[0:1].apply(
                                         lambda row: not any(team in list(row) for team in team_remove), axis=1
                                     )
                                 elif cpt_flex_focus == 'FLEX':
-                                    remove_mask = parsed_frame[st.session_state['player_columns'][1:]].apply(
+                                    remove_mask = parsed_frame[1:].apply(
                                         lambda row: not any(team in list(row) for team in team_remove), axis=1
                                     )
                                 elif cpt_flex_focus == 'Overall':