Handle map reset when the game is loaded/unloaded.

https://github.com/dcs-liberation/dcs_liberation/issues/2039

Partial fix for
https://github.com/dcs-liberation/dcs_liberation/issues/2045 (now works
in the new map, old one not fixed yet).

game/server/tgos/models.py

@@ -1,11 +1,15 @@
 from __future__ import annotations
 
+from typing import TYPE_CHECKING
 from uuid import UUID
 
 from pydantic import BaseModel
 
 from game.server.leaflet import LeafletPoint
-from game.theater import TheaterGroundObject
+
+if TYPE_CHECKING:
+    from game import Game
+    from game.theater import TheaterGroundObject
 
 
 class TgoJs(BaseModel):
@@ -44,3 +48,12 @@ class TgoJs(BaseModel):
             dead=tgo.is_dead,
             sidc=str(tgo.sidc()),
         )
+
+    @staticmethod
+    def all_in_game(game: Game) -> list[TgoJs]:
+        tgos = []
+        for control_point in game.theater.controlpoints:
+            for tgo in control_point.connected_objectives:
+                if not tgo.is_control_point:
+                    tgos.append(TgoJs.for_tgo(tgo))
+        return tgos

game/server/tgos/routes.py

@@ -10,15 +10,10 @@ router: APIRouter = APIRouter(prefix="/tgos")
 
 
 @router.get("/")
-def list_tgos(game: Game = Depends(GameContext.get)) -> list[TgoJs]:
-    tgos = []
-    for control_point in game.theater.controlpoints:
-        for tgo in control_point.connected_objectives:
-            if not tgo.is_control_point:
-                tgos.append(TgoJs.for_tgo(tgo))
-    return tgos
+def list_tgos(game: Game = Depends(GameContext.require)) -> list[TgoJs]:
+    return TgoJs.all_in_game(game)
 
 
 @router.get("/{tgo_id}")
-def get_tgo(tgo_id: UUID, game: Game = Depends(GameContext.get)) -> TgoJs:
+def get_tgo(tgo_id: UUID, game: Game = Depends(GameContext.require)) -> TgoJs:
     return TgoJs.for_tgo(game.db.tgos.get(tgo_id))