Move front lines out of MapModel.

game/server/frontlines/models.py

@@ -1,9 +1,24 @@
 from __future__ import annotations
 
+from uuid import UUID
+
 from pydantic import BaseModel
 
 from game.server.leaflet import LeafletPoint
+from game.theater import FrontLine
+from game.utils import nautical_miles
 
 
 class FrontLineJs(BaseModel):
+    id: UUID
     extents: list[LeafletPoint]
+
+    @staticmethod
+    def for_front_line(front_line: FrontLine) -> FrontLineJs:
+        a = front_line.position.point_from_heading(
+            front_line.attack_heading.right.degrees, nautical_miles(2).meters
+        )
+        b = front_line.position.point_from_heading(
+            front_line.attack_heading.left.degrees, nautical_miles(2).meters
+        )
+        return FrontLineJs(id=front_line.id, extents=[a.latlng(), b.latlng()])

game/server/frontlines/routes.py

@@ -1,7 +1,8 @@
+from uuid import UUID
+
 from fastapi import APIRouter, Depends
 
 from game import Game
-from game.utils import nautical_miles
 from .models import FrontLineJs
 from ..dependencies import GameContext
 
@@ -10,13 +11,11 @@ router: APIRouter = APIRouter(prefix="/front-lines")
 
 @router.get("/")
 def list_front_lines(game: Game = Depends(GameContext.get)) -> list[FrontLineJs]:
-    front_lines = []
-    for front_line in game.theater.conflicts():
-        a = front_line.position.point_from_heading(
-            front_line.attack_heading.right.degrees, nautical_miles(2).meters
-        )
-        b = front_line.position.point_from_heading(
-            front_line.attack_heading.left.degrees, nautical_miles(2).meters
-        )
-        front_lines.append(FrontLineJs(extents=[a.latlng(), b.latlng()]))
-    return front_lines
+    return [FrontLineJs.for_front_line(f) for f in game.theater.conflicts()]
+
+
+@router.get("/{front_line_id}")
+def get_front_line(
+    front_line_id: UUID, game: Game = Depends(GameContext.get)
+) -> FrontLineJs:
+    return FrontLineJs.for_front_line(game.db.front_lines.get(front_line_id))