[5기 김남규, 박유진] Spring Boot JPA 게시판 구현 미션 제출합니다.

src/main/java/com/prgrms/dev/springbootboardjpa/controller/PostController.java

@@ -1,6 +1,7 @@
 package com.prgrms.dev.springbootboardjpa.controller;
 
 import com.prgrms.dev.springbootboardjpa.ApiResponse;
+import com.prgrms.dev.springbootboardjpa.dto.PostCreateRequestDto;
 import com.prgrms.dev.springbootboardjpa.dto.PostDto;
 import com.prgrms.dev.springbootboardjpa.dto.PostRequestDto;
 import com.prgrms.dev.springbootboardjpa.service.PostService;
@@ -32,8 +33,8 @@ public ApiResponse<Page<PostDto>> getAll(Pageable pageable) {
 
     //생성
     @PostMapping
-    public ApiResponse<PostDto> create(@RequestBody PostRequestDto postRequestDto, @RequestParam Long userId) {
-        PostDto postDto = postService.create(postRequestDto, userId);
+    public ApiResponse<PostDto> create(@RequestBody PostCreateRequestDto postCreateRequestDto) {
+        PostDto postDto = postService.create(postCreateRequestDto);
         return ApiResponse.ok(postDto);
     } // body에서 전부 받는 방식으로
 

src/main/java/com/prgrms/dev/springbootboardjpa/converter/Converter.java

@@ -2,6 +2,7 @@
 
 import com.prgrms.dev.springbootboardjpa.domain.post.Post;
 import com.prgrms.dev.springbootboardjpa.domain.user.User;
+import com.prgrms.dev.springbootboardjpa.dto.PostCreateRequestDto;
 import com.prgrms.dev.springbootboardjpa.dto.PostDto;
 import com.prgrms.dev.springbootboardjpa.dto.PostRequestDto;
 import com.prgrms.dev.springbootboardjpa.dto.UserDto;
@@ -28,6 +29,14 @@ public Post convertPost(PostRequestDto postDto) {
                 .build();
     }
 
+    // dto -> entity
+    public Post convertPost(PostCreateRequestDto postCreateRequestDto) {
+        return Post.builder()
+                .title(postCreateRequestDto.title())
+                .content(postCreateRequestDto.content())
+                .build();
+    }
+
     // entity -> dto
     public UserDto convertUserDto(User user) {
         return UserDto.builder()

src/main/java/com/prgrms/dev/springbootboardjpa/dto/PostCreateRequestDto.java

@@ -0,0 +1,16 @@
+package com.prgrms.dev.springbootboardjpa.dto;
+
+import lombok.Builder;
+
+@Builder
+public record PostCreateRequestDto(Long userId, String title, String content) {
+
+    public PostCreateRequestDto {
+        validateNull(title);
+        validateNull(content);
+    }
+
+    private void validateNull(String input) {
+        if(input.isEmpty() || input.isBlank()) throw new NullPointerException("NPE");
+    }
+}

src/main/java/com/prgrms/dev/springbootboardjpa/dto/PostRequestDto.java

@@ -4,7 +4,4 @@
 
 @Builder
 public record PostRequestDto(String title, String content) {
-    // 검증
-    // 생성, 업데이트 를 분리?
-    // 요구사항이 늘었을 때를 생각해보자
 }

src/main/java/com/prgrms/dev/springbootboardjpa/service/PostService.java

@@ -5,6 +5,7 @@
 import com.prgrms.dev.springbootboardjpa.domain.post.PostRepository;
 import com.prgrms.dev.springbootboardjpa.domain.user.User;
 import com.prgrms.dev.springbootboardjpa.domain.user.UserRepository;
+import com.prgrms.dev.springbootboardjpa.dto.PostCreateRequestDto;
 import com.prgrms.dev.springbootboardjpa.dto.PostDto;
 import com.prgrms.dev.springbootboardjpa.dto.PostRequestDto;
 import jakarta.persistence.EntityNotFoundException;
@@ -37,9 +38,9 @@ public Page<PostDto> getAll(Pageable pageable) {
     }
 
     @Transactional
-    public PostDto create(PostRequestDto requestDto, Long userId) {
-        Post post = converter.convertPost(requestDto);
-        User user = userRepository.findById(userId)
+    public PostDto create(PostCreateRequestDto postCreateRequestDto) {
+        Post post = converter.convertPost(postCreateRequestDto);
+        User user = userRepository.findById(postCreateRequestDto.userId())
                 .orElseThrow(() -> new EntityNotFoundException("회원을 찾을 수 없습니다"));
         post.setUser(user);
         return converter.convertPostDto(postRepository.save(post));