Enable Team Tournaments, add Tournament Trees, implement temporary tree persistance (#66)

Co-authored-by: David Rodenkirchen <drodenkirchen@linetco.com>
Reviewed-on: #66

src/ezgg_lan_manager/pages/ManageTournamentsPage.py

@@ -11,7 +11,7 @@ from src.ezgg_lan_manager.components.MainViewContentBox import MainViewContentBo
 from src.ezgg_lan_manager.types.DateUtil import weekday_to_display_text
 from src.ezgg_lan_manager.types.Participant import Participant
 from src.ezgg_lan_manager.types.Tournament import Tournament
-from src.ezgg_lan_manager.types.TournamentBase import TournamentStatus
+from src.ezgg_lan_manager.types.TournamentBase import TournamentStatus, TournamentError
 
 logger = logging.getLogger(__name__.split(".")[-1])
 
@@ -29,7 +29,10 @@ class ManageTournamentsPage(Component):
 
     async def on_start_pressed(self, tournament_id: int) -> None:
         logger.info(f"Starting tournament with ID {tournament_id}")
-        await self.session[TournamentService].start_tournament(tournament_id)
+        try:
+            await self.session[TournamentService].start_tournament(tournament_id)
+        except TournamentError as e:
+            logger.error(f"Error trying to start tournament: {e}")
 
     async def on_cancel_pressed(self, tournament_id: int) -> None:
         logger.info(f"Canceling tournament with ID {tournament_id}")
@@ -92,9 +95,17 @@ class ManageTournamentsPage(Component):
                                 font_size=1.2
                             ),
                             margin_top=2,
-                            margin_bottom=2,
+                            margin_bottom=1,
                             align_x=0.5
                         ),
+                        Button(
+                            content="Cache erneuern",
+                            shape="rectangle",
+                            style="colored-text",
+                            margin_bottom=2,
+                            align_x=0.5,
+                            on_press=self.session[TournamentService].queue_cache_renewal
+                        ),
                         *tournament_rows
                     )
                 ),