[feat] #16 Post Delete Api 추가

src/main/java/org/harang/server/controller/PostController.java

@@ -9,10 +9,7 @@
 import org.harang.server.dto.request.PostRequest;
 import org.harang.server.dto.type.SuccessMessage;
 import org.harang.server.service.PostService;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @Slf4j
 @RestController
@@ -29,4 +26,10 @@ public ApiResponse<?> createPost(@MemberId Long memberId, @Valid @RequestBody Po
 
         return ApiResponse.success(SuccessMessage.CREATED);
     }
+
+    @DeleteMapping("/{postId}")
+    public ApiResponse<?> deletePost(@MemberId Long memberId, @PathVariable Long postId) {
+        postService.deletePost(memberId, postId);
+        return ApiResponse.success(SuccessMessage.OK);
+    }
 }

src/main/java/org/harang/server/domain/Location.java

@@ -15,7 +15,7 @@ public class Location {
     @Column(name = "id", nullable = false)
     private Long id;
 
-    @OneToOne(fetch = FetchType.LAZY)
+    @OneToOne(fetch = FetchType.LAZY, cascade = CascadeType.REMOVE)
     @JoinColumn(name = "post_id")
     private Post post;
 

src/main/java/org/harang/server/domain/Post.java

@@ -55,10 +55,10 @@ public class Post {
     private Status status = Status.WAITING;
 
     /* Relation Parent Mapping */
-    @OneToMany(mappedBy = "post")
+    @OneToMany(mappedBy = "post", cascade = CascadeType.REMOVE)
     private List<Matching> matchingList = new ArrayList<>();
 
-    @OneToMany(mappedBy = "post")
+    @OneToMany(mappedBy = "post", cascade = CascadeType.REMOVE)
     private List<PostCategory> postCategoryList = new ArrayList<>();
 
     @Builder

src/main/java/org/harang/server/repository/LocationRepository.java

@@ -1,7 +1,16 @@
 package org.harang.server.repository;
 
+import jakarta.transaction.Transactional;
 import org.harang.server.domain.Location;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
 
 public interface LocationRepository extends JpaRepository<Location, Long> {
+    Location findByPostId(Long PostId);
+
+    @Transactional
+    @Modifying
+    @Query("DELETE FROM Location l WHERE l.post.id = :postId")
+    void deleteByPostId(Long postId);
 }

src/main/java/org/harang/server/service/PostService.java

@@ -66,4 +66,13 @@ public Post createPost(Long memberId, PostRequest request) {
         return savedPost;
     }
 
+    @Transactional
+    public void deletePost(Long memberId, Long postId) {
+        Post post = postRepository.findByIdOrThrow(postId);
+        Location location = locationRepository.findByPostId(postId);
+
+        locationRepository.deleteByPostId(postId);
+        postRepository.delete(post);
+    }
+
 }