wip close round/campaign/war + refacto json None

src/warchron/model/campaign.py

@@ -146,7 +146,12 @@ class Campaign:
         )
 
     def add_sector(
-        self, name: str, round_id: str, major_id: str, minor_id: str, influence_id: str
+        self,
+        name: str,
+        round_id: str | None,
+        major_id: str | None,
+        minor_id: str | None,
+        influence_id: str | None,
     ) -> Sector:
         sect = Sector(name, round_id, major_id, minor_id, influence_id)
         self.sectors[sect.id] = sect
@@ -168,10 +173,10 @@ class Campaign:
         sector_id: str,
         *,
         name: str,
-        round_id: str,
-        major_id: str,
-        minor_id: str,
-        influence_id: str,
+        round_id: str | None,
+        major_id: str | None,
+        minor_id: str | None,
+        influence_id: str | None,
     ) -> None:
         sect = self.get_sector(sector_id)
         old_round_id = sect.round_id
@@ -308,6 +313,9 @@ class Campaign:
 
     # Battle methods
 
+    def all_rounds_finished(self) -> bool:
+        return all(r.is_over for r in self.rounds)
+
     def create_battle(self, round_id: str, sector_id: str) -> Battle:
         rnd = self.get_round(round_id)
         return rnd.create_battle(sector_id)