detect and resolve battle tie with influence_token

src/warchron/model/war.py

@@ -3,6 +3,7 @@ from uuid import uuid4
 from datetime import datetime
 from typing import Any, Dict, List
 
+from warchron.model.war_event import WarEvent, InfluenceGained, InfluenceSpent
 from warchron.model.exception import ForbiddenOperation
 from warchron.model.war_participant import WarParticipant
 from warchron.model.objective import Objective
@@ -25,6 +26,7 @@ class War:
         self.participants: Dict[str, WarParticipant] = {}
         self.objectives: Dict[str, Objective] = {}
         self.campaigns: List[Campaign] = []
+        self.events: List[WarEvent] = []
         self.is_over: bool = False
 
     def set_id(self, new_id: str) -> None:
@@ -53,6 +55,9 @@ class War:
     def set_influence_token(self, new_state: bool) -> None:
         if self.is_over:
             raise ForbiddenOperation("Can't set influence token of a closed war.")
+        # TODO raise RequiresConfirmation
+        #   * disable: cleanup if any token has already been gained/spent
+        #   * enable: retrigger battle_outcomes and resolve tie again if any draw
         self.influence_token = new_state
 
     def set_state(self, new_state: bool) -> None:
@@ -69,6 +74,7 @@ class War:
             "participants": [part.toDict() for part in self.participants.values()],
             "objectives": [obj.toDict() for obj in self.objectives.values()],
             "campaigns": [camp.toDict() for camp in self.campaigns],
+            "events": [ev.toDict() for ev in self.events],
             "is_over": self.is_over,
         }
 
@@ -87,6 +93,8 @@ class War:
             war.objectives[obj.id] = obj
         for camp_data in data.get("campaigns", []):
             war.campaigns.append(Campaign.fromDict(camp_data))
+        for ev_data in data.get("events", []):
+            war.events.append(WarEvent.fromDict(ev_data))
         war.set_state(data.get("is_over", False))
         return war
 
@@ -439,3 +447,18 @@ class War:
         camp = self.get_campaign_by_round(round_id)
         if camp is not None:
             camp.remove_battle(round_id, sector_id)
+
+    # Event methods
+
+    def get_influence_tokens(self, participant_id: str) -> int:
+        gained = sum(
+            e.amount
+            for e in self.events
+            if isinstance(e, InfluenceGained) and e.participant_id == participant_id
+        )
+        spent = sum(
+            e.amount
+            for e in self.events
+            if isinstance(e, InfluenceSpent) and e.participant_id == participant_id
+        )
+        return gained - spent