feat: update GetPostById to return post replies with pagination

Author: ainunns

controller/post_controller.go

@@ -50,6 +50,7 @@ func (c *postController) CreatePost(ctx *gin.Context) {
 	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_CREATE_POST, result)
 	ctx.JSON(http.StatusOK, res)
 }
+
 func (c *postController) GetPostById(ctx *gin.Context) {
 	postIdStr := ctx.Param("post_id")
 	postId, err := strconv.ParseUint(postIdStr, 10, 64)
@@ -66,7 +67,13 @@ func (c *postController) GetPostById(ctx *gin.Context) {
 		return
 	}
 
-	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_GET_POST_BY_ID, result)
+	res := utils.Response{
+		Status:  true,
+		Message: dto.MESSAGE_SUCCESS_GET_POST_BY_ID,
+		Data:    result.Data,
+		Meta:    result.PaginationResponse,
+	}
+
 	ctx.JSON(http.StatusOK, res)
 }
 

dto/post_dto.go

@@ -38,16 +38,11 @@ type (
 	}
 
 	PostResponse struct {
-		ID       uint64       `json:"id"`
-		Text     string       `json:"text"`
-		ParentID *uint64      `json:"parent_id"`
-		User     UserResponse `json:"user"`
-	}
-
-	PostRepliesResponse struct {
-		PostResponse
-		Replies []PostResponse `json:"replies"`
-		PaginationResponse
+		ID       uint64         `json:"id"`
+		Text     string         `json:"text"`
+		ParentID *uint64        `json:"parent_id"`
+		User     UserResponse   `json:"user"`
+		Replies  []PostResponse `json:"replies,omitempty"`
 	}
 
 	PostUpdateRequest struct {
@@ -59,6 +54,11 @@ type (
 		PaginationResponse
 	}
 
+	PostRepliesPaginationResponse struct {
+		Data PostResponse `json:"data"`
+		PaginationResponse
+	}
+
 	GetAllPostsRepositoryResponse struct {
 		Posts []entity.Post `json:"posts"`
 		PaginationResponse

service/post_service.go

@@ -12,7 +12,7 @@ import (
 type (
 	PostService interface {
 		CreatePost(ctx context.Context, userId string, req dto.PostCreateRequest) (dto.PostResponse, error)
-		GetPostById(ctx context.Context, postId uint64) (dto.PostRepliesResponse, error)
+		GetPostById(ctx context.Context, postId uint64) (dto.PostRepliesPaginationResponse, error)
 		DeletePostById(ctx context.Context, postId uint64) error
 		UpdatePostById(ctx context.Context, userId string, postId uint64, req dto.PostUpdateRequest) (dto.PostResponse, error)
 		GetAllPosts(ctx context.Context, req dto.PaginationRequest) (dto.PostPaginationResponse, error)
@@ -71,15 +71,15 @@ func (s *postService) CreatePost(ctx context.Context, userId string, req dto.Pos
 	}, nil
 }
 
-func (s *postService) GetPostById(ctx context.Context, postId uint64) (dto.PostRepliesResponse, error) {
+func (s *postService) GetPostById(ctx context.Context, postId uint64) (dto.PostRepliesPaginationResponse, error) {
 	post, err := s.postRepo.GetPostById(ctx, nil, postId)
 	if err != nil {
-		return dto.PostRepliesResponse{}, dto.ErrGetPostById
+		return dto.PostRepliesPaginationResponse{}, dto.ErrGetPostById
 	}
 
 	replies, err := s.postRepo.GetAllPostRepliesWithPagination(ctx, nil, postId, dto.PaginationRequest{})
 	if err != nil {
-		return dto.PostRepliesResponse{}, dto.ErrGetPostReplies
+		return dto.PostRepliesPaginationResponse{}, dto.ErrGetPostReplies
 	}
 
 	var data []dto.PostResponse
@@ -100,28 +100,27 @@ func (s *postService) GetPostById(ctx context.Context, postId uint64) (dto.PostR
 		data = append(data, datum)
 	}
 
-	return dto.PostRepliesResponse{
-			PostResponse: dto.PostResponse{
-				ID:       post.ID,
-				Text:     post.Text,
-				ParentID: post.ParentID,
-				User: dto.UserResponse{
-					ID:       post.UserID.String(),
-					Name:     post.User.Name,
-					Bio:      post.User.Bio,
-					UserName: post.User.Username,
-					ImageUrl: post.User.ImageUrl,
-				},
+	return dto.PostRepliesPaginationResponse{
+		Data: dto.PostResponse{
+			ID:       post.ID,
+			Text:     post.Text,
+			ParentID: post.ParentID,
+			User: dto.UserResponse{
+				ID:       post.UserID.String(),
+				Name:     post.User.Name,
+				Bio:      post.User.Bio,
+				UserName: post.User.Username,
+				ImageUrl: post.User.ImageUrl,
 			},
 			Replies: data,
-			PaginationResponse: dto.PaginationResponse{
-				Page:    replies.Page,
-				PerPage: replies.PerPage,
-				MaxPage: replies.MaxPage,
-				Count:   replies.Count,
-			},
 		},
-		nil
+		PaginationResponse: dto.PaginationResponse{
+			Page:    replies.Page,
+			PerPage: replies.PerPage,
+			MaxPage: replies.MaxPage,
+			Count:   replies.Count,
+		},
+	}, nil
 }
 
 func (s *postService) DeletePostById(ctx context.Context, postId uint64) error {