wip close round/campaign/war + refacto json None

src/warchron/model/influence_service.py

@@ -0,0 +1,23 @@
+from warchron.model.war import War
+from warchron.model.campaign import Campaign
+from warchron.model.battle import Battle
+from warchron.model.war_event import InfluenceGained
+
+
+class InfluenceService:
+
+    @staticmethod
+    def apply_battle_result(war: War, campaign: Campaign, battle: Battle) -> None:
+        if battle.winner_id is None:
+            return
+        sector = campaign.sectors[battle.sector_id]
+        # if sector grants influence
+        if sector.influence_objective_id and war.influence_token:
+            participant = war.participants[battle.winner_id]
+            participant.events.append(
+                InfluenceGained(
+                    participant_id=participant.id,
+                    amount=1,
+                    source=f"battle:{battle.sector_id}",
+                )
+            )