[FEAT] 기록 상세 페이지 API 구현 (조회/수정/삭제)

src/main/java/com/moongeul/backend/api/post/controller/PostController.java

@@ -1,7 +1,8 @@
 package com.moongeul.backend.api.post.controller;
 
-import com.moongeul.backend.api.post.dto.PostCreateRequestDTO;
-import com.moongeul.backend.api.post.dto.PostCreateResponseDTO;
+import com.moongeul.backend.api.post.dto.PostRequestDTO;
+import com.moongeul.backend.api.post.dto.PostIdResponseDTO;
+import com.moongeul.backend.api.post.dto.PostResponseDTO;
 import com.moongeul.backend.api.post.service.PostService;
 import com.moongeul.backend.common.response.ApiResponse;
 import com.moongeul.backend.common.response.SuccessStatus;
@@ -36,10 +37,59 @@ public class PostController {
             @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "해당 도서를 찾을 수 없습니다.")
     })
     @PostMapping("/create")
-    public ResponseEntity<ApiResponse<PostCreateResponseDTO>> createPost(@AuthenticationPrincipal UserDetails userDetails,
-                                                                         @Valid @RequestBody PostCreateRequestDTO postCreateRequestDTO) {
+    public ResponseEntity<ApiResponse<PostIdResponseDTO>> createPost(@AuthenticationPrincipal UserDetails userDetails,
+                                                                     @Valid @RequestBody PostRequestDTO postRequestDTO) {
 
-        PostCreateResponseDTO response = postService.createPost(postCreateRequestDTO, userDetails.getUsername());
+        PostIdResponseDTO response = postService.createPost(postRequestDTO, userDetails.getUsername());
         return ApiResponse.success(SuccessStatus.CREATE_POST_SUCCESS, response);
     }
+
+    @Operation(
+            summary = "기록(게시글) 상세 조회 API",
+            description = "기록(게시글)의 상세 조회 API 입니다."
+    )
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "기록(게시글) 상세 조회 성공"),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "해당 기록(게시글)을 찾을 수 없습니다.")
+    })
+    @GetMapping("/{id}")
+    public ResponseEntity<ApiResponse<PostResponseDTO>> getPost(@PathVariable Long id) {
+
+        PostResponseDTO response = postService.getPostDetail(id);
+        return ApiResponse.success(SuccessStatus.GET_POST_SUCCESS, response);
+    }
+
+    @Operation(
+            summary = "기록(게시글) 수정 API",
+            description = "기록(게시글)을 수정하는 API 입니다."
+    )
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "기록(게시글) 수정 성공"),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "수정하려는 회원의 게시글이 아닙니다."),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "해당 기록(게시글)을 찾을 수 없습니다.")
+    })
+    @PutMapping("/{id}")
+    public ResponseEntity<ApiResponse<PostIdResponseDTO>> updatePost(@AuthenticationPrincipal UserDetails userDetails,
+                                                                   @PathVariable Long id,
+                                                                   @Valid @RequestBody PostRequestDTO postRequestDTO) {
+
+        PostIdResponseDTO response = postService.updatePost(id, userDetails.getUsername(), postRequestDTO);
+        return ApiResponse.success(SuccessStatus.UPDATE_POST_SUCCESS, response);
+    }
+
+    @Operation(
+            summary = "기록(게시글) 삭제 API",
+            description = "기록(게시글)을 삭제하는 API 입니다."
+    )
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "기록(게시글) 삭제 성공"),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "해당 기록(게시글)을 찾을 수 없습니다.")
+    })
+    @DeleteMapping("/{id}")
+    public ResponseEntity<ApiResponse<Void>> deletePost(@AuthenticationPrincipal UserDetails userDetails,
+                                                                   @PathVariable Long id) {
+
+        postService.deletePost(id, userDetails.getUsername());
+        return ApiResponse.success_only(SuccessStatus.DELETE_POST_SUCCESS);
+    }
 }

src/main/java/com/moongeul/backend/api/post/dto/PostCreateResponseDTO.java → src/main/java/com/moongeul/backend/api/post/dto/PostIdResponseDTO.java

@@ -9,7 +9,7 @@
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class PostCreateResponseDTO {
+public class PostIdResponseDTO {
 
     private Long postId; // 생성된 Post id
 }

src/main/java/com/moongeul/backend/api/post/dto/PostCreateRequestDTO.java → src/main/java/com/moongeul/backend/api/post/dto/PostRequestDTO.java

@@ -5,22 +5,20 @@
 import com.moongeul.backend.api.category.entity.Category;
 import com.moongeul.backend.api.post.entity.Post;
 import com.moongeul.backend.api.post.entity.PostVisibility;
-import com.moongeul.backend.api.post.entity.Quote;
 import jakarta.validation.constraints.*;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 import java.time.LocalDate;
-import java.util.ArrayList;
 import java.util.List;
 
 @Getter
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class PostCreateRequestDTO {
+public class PostRequestDTO {
 
     /* 드롭다운 - 필수 입력*/
     @NotNull(message = "공개여부는 필수입니다")
@@ -51,8 +49,9 @@ public class PostCreateRequestDTO {
     private List<QuoteRequestDTO> quotes; // 인상깊은구절
 
     @Getter
+    @Builder
     public static class QuoteRequestDTO {
-        private String quote; // 인용문 내용
+        private String quoteContent; // 인용문 내용
         private Integer pageNumber; // 페이지 번호
     }
 
@@ -62,7 +61,7 @@ public Post toEntity(Category category, Member member, Book book) {
         Double finalRating = (this.rating != null) ? this.rating : 5.0;
         Integer finalPage = (this.page != null) ? this.page : 300;
 
-        Post post = Post.builder()
+        return Post.builder()
                 .postVisibility(this.postVisibility)
                 .category(category)
                 .readDate(this.readDate)
@@ -72,22 +71,6 @@ public Post toEntity(Category category, Member member, Book book) {
                 .member(member)
                 .book(book)
                 .build();
-
-        // Quote 처리
-        if (this.quotes != null && !this.quotes.isEmpty()) {
-            List<Quote> quoteList = new ArrayList<>();
-            for (QuoteRequestDTO quoteDTO : this.quotes) {
-                Quote quote = Quote.builder()
-                        .quoteContent(quoteDTO.getQuote())
-                        .pageNumber(quoteDTO.getPageNumber())
-                        .post(post)
-                        .build();
-                quoteList.add(quote);
-
-                post.addQuotes(quoteList);
-            }
-        }
-        return post;
     }
 
 }

src/main/java/com/moongeul/backend/api/post/dto/PostResponseDTO.java

@@ -1,6 +1,5 @@
 package com.moongeul.backend.api.post.dto;
 
-import com.moongeul.backend.api.book.dto.BookDTO;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -14,12 +13,27 @@
 @AllArgsConstructor
 public class PostResponseDTO {
 
-    // 필수
-    private BookDTO bookDTO; // 필요 - 책 제목/작가/출판사
-    private double rating;
-
-    // 선택
+    private BookInfo bookInfo; // 책 정보
+    private double rating; // 별점
     private String content; // 감상평
-    private List<String> quotes; // 인상깊은구절 리스트
+    private List<QuoteDTO> quotes; // 인상깊은구절 리스트
+
+    @Getter
+    @Builder
+    public static class BookInfo{
+
+        private String isbn; // ISBN
+        private String bookImage; // 표지 이미지
+        private String title; // 책 제목
+        private String author; // 저자
+        private String publisher; // 출판사
+    }
+
+    @Getter
+    @Builder
+    public static class QuoteDTO {
+        private String quoteContent; // 인용문 내용
+        private Integer pageNumber; // 페이지 번호
+    }
 
 }

src/main/java/com/moongeul/backend/api/post/entity/Post.java

@@ -8,8 +8,6 @@
 import lombok.*;
 
 import java.time.LocalDate;
-import java.util.ArrayList;
-import java.util.List;
 
 @Entity
 @Getter
@@ -27,10 +25,6 @@ public class Post extends BaseTimeEntity {
     private Integer page; // 페이지 수
     private String content; // 감상평
 
-    @OneToMany(mappedBy = "post", cascade = CascadeType.ALL, orphanRemoval = true)
-    @Builder.Default
-    private List<Quote> quotes = new ArrayList<>(); // 인상깊은구절
-
     @Enumerated(EnumType.STRING)
     private PostVisibility postVisibility; // 공개여부
 
@@ -46,11 +40,20 @@ public class Post extends BaseTimeEntity {
     @JoinColumn(name = "book_isbn", nullable = false)
     private Book book;
 
-    public void addQuote(Quote quote) {
-        quotes.add(quote);
-    }
-
-    public void addQuotes(List<Quote> quoteList) {
-        quoteList.forEach(this::addQuote);
+    // 게시글 수정
+    public void update(LocalDate readDate,
+                       Double rating,
+                       Integer page,
+                       String content,
+                       PostVisibility postVisibility,
+                       Category category,
+                       Book book) {
+        this.readDate = readDate;
+        this.rating = rating;
+        this.page = page;
+        this.content = content;
+        this.postVisibility = postVisibility;
+        this.category = category;
+        this.book = book;
     }
 }

src/main/java/com/moongeul/backend/api/post/repository/QuoteRepository.java

@@ -0,0 +1,13 @@
+package com.moongeul.backend.api.post.repository;
+
+import com.moongeul.backend.api.post.entity.Quote;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface QuoteRepository extends JpaRepository<Quote, Long> {
+
+    List<Quote> findByPostId(Long postId);
+
+    void deleteAllByPostId(Long postId);
+}