Finishing game

app.py

@@ -192,6 +192,20 @@ class Room:
 rooms: dict[str, Room] = {}
 
 
+favicon = Path("favicon.ico").read_bytes()
+favicon_update = Path("favicon_update.ico").read_bytes()
+
+
+@app.GET("/favicon.ico")
+async def favicon_s(request):
+    return HTTPResponse(request, favicon, content_type="image/x-icon")
+
+
+@app.GET("/favicon_update.ico")
+async def favicon_update_s(request):
+    return HTTPResponse(request, favicon_update, content_type="image/x-icon")
+
+
 @app.GET("/")
 async def home(request):
     return render(request, "index.html")
@@ -405,6 +419,8 @@ async def move(request: Request, room_id):
     room = rooms[room_id]
     if len(room.players) != 2:
         return 400, {"code": "PRES", "error": "Game has not been started"}
+    if room.state != State.NOT_FINISHED:
+        return 400, {"code": "FINI", "error": "Game has not finished."}
     board = room.board
     uid = req["uid"]
     src = req["from"].lower()
@@ -442,11 +458,27 @@ async def move(request: Request, room_id):
         if c.y == 0 or c.y == 7 and piece_kind == "p":
             board.grid[c.y][c.x] = Piece.WHITE_QUEEN if is_white else Piece.BLACK_QUEEN
         room.turn = Color.BLACK if color == Color.WHITE else Color.WHITE
-        room.last_move = datetime.now()
+        room.last_move = datetime.now(timezone.utc)
+        opp_checkmate = True
+        for i in range(8):
+            for j in range(8):
+                P = board.index_xy(i, j)
+                if P != "E" and P.value.isupper() != is_white:
+                    moves = generate_valid_moves(
+                        P.value.lower(), board, not is_white, xy_to_pos_safe(i, j)
+                    )
+                    if len(moves) > 0:
+                        opp_checkmate = False
+                        break
+            if not opp_checkmate:
+                break
+        if opp_checkmate:
+            room.state = State.BLACK_WIN if is_white else State.WHITE_WIN
         return {
             "code": "MOVD",
             "color": color.value,
             "turn": room.turn.value,
+            "state": room.state.value,
             "board": board.serialize(),
         }
     else: