manage deleted refered player, participant, objective, sector

src/warchron/model/round.py

@@ -43,6 +43,18 @@ class Round:
     def get_choice(self, participant_id: str) -> Choice | None:
         return self.choices.get(participant_id)
 
+    def has_choice_with_sector(self, sector_id: str) -> bool:
+        return any(
+            choice.priority_sector_id == sector_id
+            or choice.secondary_sector_id == sector_id
+            for choice in self.choices.values()
+        )
+
+    def has_choice_with_participant(self, participant_id: str) -> bool:
+        return any(
+            choice.participant_id == participant_id for choice in self.choices.values()
+        )
+
     def create_choice(self, participant_id: str) -> Choice:
         if participant_id not in self.choices:
             choice = Choice(
@@ -66,6 +78,13 @@ class Round:
             choice.set_secondary(secondary_sector_id)
             choice.set_comment(comment)
 
+    def clear_sector_references(self, sector_id: str) -> None:
+        for choice in self.choices.values():
+            if choice.priority_sector_id == sector_id:
+                choice.priority_sector_id = None
+            if choice.secondary_sector_id == sector_id:
+                choice.secondary_sector_id = None
+
     def remove_choice(self, participant_id: str) -> None:
         del self.choices[participant_id]
 
@@ -74,6 +93,15 @@ class Round:
     def get_battle(self, sector_id: str) -> Battle | None:
         return self.battles.get(sector_id)
 
+    def has_battle_with_sector(self, sector_id: str) -> bool:
+        return any(bat.sector_id == sector_id for bat in self.battles.values())
+
+    def has_battle_with_participant(self, participant_id: str) -> bool:
+        return any(
+            bat.player_1_id == participant_id or bat.player_2_id == participant_id
+            for bat in self.battles.values()
+        )
+
     def create_battle(self, sector_id: str) -> Battle:
         if sector_id not in self.battles:
             battle = Battle(sector_id=sector_id, player_1_id=None, player_2_id=None)
@@ -99,5 +127,14 @@ class Round:
             bat.set_victory_condition(victory_condition)
             bat.set_comment(comment)
 
+    def clear_participant_references(self, participant_id: str) -> None:
+        for battle in self.battles.values():
+            if battle.player_1_id == participant_id:
+                battle.player_1_id = None
+            if battle.player_2_id == participant_id:
+                battle.player_2_id = None
+            if battle.winner_id == participant_id:
+                battle.winner_id = None
+
     def remove_battle(self, sector_id: str) -> None:
         del self.battles[sector_id]