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app/src/main/java/chess/controller/commands/GetAllowedMovesPieceCommand.java

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+package chess.controller.commands;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import chess.controller.Command;
+import chess.controller.OutputSystem;
+import chess.model.ChessBoard;
+import chess.model.Coordinate;
+import chess.model.Game;
+import chess.model.Piece;
+
+public class GetAllowedMovesPieceCommand extends Command {
+
+	private final Coordinate start;
+	private List<Coordinate> destinations;
+
+	public GetAllowedMovesPieceCommand(Coordinate start) {
+		this.start = start;
+		this.destinations = new ArrayList<>();
+	}
+
+	@Override
+	public CommandResult execute(Game game, OutputSystem outputSystem) {
+		final ChessBoard board = game.getBoard();
+		Piece piece = board.pieceAt(start);
+
+		if (piece == null)
+			return CommandResult.NotAllowed;
+
+		if (piece.getColor() != game.getPlayerTurn())
+			return CommandResult.NotAllowed;
+
+		this.destinations = board.getAllowedMoves(start);
+		return CommandResult.NotMoved;
+	}
+
+	public List<Coordinate> getDestinations() {
+		return destinations;
+	}
+}