feat: add delete post by id endpoint

Author: ainunns

controller/post_controller.go

@@ -14,6 +14,7 @@ type (
 	PostController interface {
 		CreatePost(ctx *gin.Context)
 		GetPostById(ctx *gin.Context)
+		DeletePostById(ctx *gin.Context)
 	}
 
 	postController struct {
@@ -64,3 +65,17 @@ func (c *postController) GetPostById(ctx *gin.Context) {
 	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_GET_POST_BY_ID, result)
 	ctx.JSON(http.StatusOK, res)
 }
+
+func (c *postController) DeletePostById(ctx *gin.Context) {
+	postId, err := uuid.Parse(ctx.Param("post_id"))
+	if err != nil {
+		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_POST_ID, err.Error(), nil)
+		ctx.AbortWithStatusJSON(http.StatusBadRequest, res)
+		return
+	}
+
+	err = c.postService.DeletePostById(ctx.Request.Context(), postId)
+
+	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_DELETE_POST, nil)
+	ctx.JSON(http.StatusOK, res)
+}

dto/post_dto.go

@@ -15,12 +15,14 @@ const (
 	// Succcess
 	MESSAGE_SUCCESS_CREATE_POST    = "success create post"
 	MESSAGE_SUCCESS_GET_POST_BY_ID = "success get post by id"
+	MESSAGE_SUCCESS_DELETE_POST    = "success delete post"
 )
 
 var (
-	ErrCreatePost    = errors.New("failed to create post")
-	ErrGetPostById   = errors.New("post not found")
-	ErrParseParentID = errors.New("failed to parse parent id")
+	ErrCreatePost     = errors.New("failed to create post")
+	ErrGetPostById    = errors.New("post not found")
+	ErrParseParentID  = errors.New("failed to parse parent id")
+	ErrDeletePostById = errors.New("failed to delete post")
 )
 
 type (

repository/post_repository.go

@@ -12,6 +12,7 @@ type (
 	PostRepository interface {
 		CreatePost(ctx context.Context, tx *gorm.DB, post entity.Post) (entity.Post, error)
 		GetPostById(ctx context.Context, tx *gorm.DB, postId uuid.UUID) (entity.Post, error)
+		DeletePostById(ctx context.Context, tx *gorm.DB, postId uuid.UUID) error
 	}
 
 	postRepository struct {
@@ -60,3 +61,15 @@ func (r *postRepository) GetPostById(ctx context.Context, tx *gorm.DB, postId uu
 
 	return post, nil
 }
+
+func (r *postRepository) DeletePostById(ctx context.Context, tx *gorm.DB, postId uuid.UUID) error {
+	if tx == nil {
+		tx = r.db
+	}
+
+	if err := tx.WithContext(ctx).Delete(&entity.Post{}, postId).Error; err != nil {
+		return err
+	}
+
+	return nil
+}

routes/post_route.go

@@ -18,5 +18,6 @@ func Post(route *gin.Engine, injector *do.Injector) {
 		// Post
 		routes.POST("/", middleware.Authenticate(jwtService), postController.CreatePost)
 		routes.GET("/:post_id", postController.GetPostById)
+		routes.DELETE("/:post_id", middleware.Authenticate(jwtService), postController.DeletePostById)
 	}
 }

service/post_service.go

@@ -13,6 +13,7 @@ type (
 	PostService interface {
 		CreatePost(ctx context.Context, req dto.PostCreateRequest) (dto.PostResponse, error)
 		GetPostById(ctx context.Context, postId uuid.UUID) (dto.PostResponse, error)
+		DeletePostById(ctx context.Context, postId uuid.UUID) error
 	}
 
 	postService struct {
@@ -92,3 +93,16 @@ func (s *postService) GetPostById(ctx context.Context, postId uuid.UUID) (dto.Po
 		},
 	}, nil
 }
+
+func (s *postService) DeletePostById(ctx context.Context, postId uuid.UUID) error {
+	_, err := s.postRepo.GetPostById(ctx, nil, postId)
+	if err != nil {
+		return dto.ErrGetPostById
+	}
+
+	if err := s.postRepo.DeletePostById(ctx, nil, postId); err != nil {
+		return dto.ErrDeletePostById
+	}
+
+	return nil
+}