added controller to model view controller

src/controller/controller.py

@@ -0,0 +1,13 @@
+from logic.board import Board
+from view.view import View
+
+
+class Controller:
+    def __init__(self, board: Board, view: View) -> None:
+        self._board = board
+        self._view = view
+
+        self._view.set_controller(self)
+
+    def on_tile_selected(self, x: int, y: int) -> None:
+        raise NotImplementedError(f"Cannot handle tile selected event, {type(self).__name__} did not implement it")

src/controller/gui_controller.py

@@ -0,0 +1,20 @@
+from logic.board import Board
+from view.view import View
+from .controller import Controller
+
+
+class GuiController(Controller):
+    def __init__(self, board: Board, view: View) -> None:
+        super().__init__(board, view)
+        self._view.update_board(self._board, None, [])
+
+    def on_tile_selected(self, x: int, y: int) -> None:
+        piece = self._board.piece_at(x, y)
+        print(f"Clicked on {x, y}, {piece = }")
+
+        if piece:
+            self._view.update_board(self._board, piece, piece.legal_moves(self._board))
+        else:
+            self._view.update_board(self._board, None, [])
+
+