feat(board): add soft delete to board

Author: wch-os

src/main/java/me/nettee/board/application/port/BoardCommandPort.java

@@ -1,13 +1,15 @@
 package me.nettee.board.application.port;
 
+import java.util.Optional;
 import me.nettee.board.application.domain.Board;
 
 public interface BoardCommandPort {
 
+    Optional<Board> findById(Long id);
+
     Board create(Board board);
 
     Board update(Board board);
 
-    void delete(Long id);
-
+    void delete(Board id);
 }

src/main/java/me/nettee/board/application/service/BoardCommandService.java

@@ -2,7 +2,9 @@
 
 import lombok.RequiredArgsConstructor;
 import me.nettee.board.application.domain.Board;
+import me.nettee.board.application.model.BoardReadDetailModel;
 import me.nettee.board.application.port.BoardCommandPort;
+import me.nettee.board.application.port.BoardQueryPort;
 import me.nettee.board.application.usecase.BoardCreateUseCase;
 import me.nettee.board.application.usecase.BoardDeleteUseCase;
 import me.nettee.board.application.usecase.BoardUpdateUseCase;
@@ -23,6 +25,11 @@ public Board updateBoard(Board board) {
     }
 
     public void deleteBoard(Long id) {
-        boardCommandPort.delete(id);
+        Board board = boardCommandPort.findById(id).orElseThrow(
+                () -> new IllegalArgumentException("게시글을 찾을 수 없습니다."));
+
+        board.softDelete();
+
+        boardCommandPort.delete(board);
     }
 }