fix: user post list

backend_v1/app/services/posts.go

@@ -88,45 +88,36 @@ func (m *posts) BoughtStatistics(ctx context.Context, postIds []int64) (map[int6
 	return result, nil
 }
 
-// Bought 获取用户购买记录
 func (m *posts) Bought(ctx context.Context, userId int64, pagination *requests.Pagination) (*requests.Pager, error) {
 	pagination.Format()
-	tbl, query := models.UserPostQuery.QueryContext(ctx)
 
-	items, cnt, err := query.
-		Where(tbl.UserID.Eq(userId)).
-		FindByPage(int(pagination.Offset()), int(pagination.Limit))
-	if err != nil {
-		return nil, err
-	}
-	postIds := lo.Map(items, func(item *models.UserPost, _ int) int64 { return item.PostID })
-	postInfoMap := lo.KeyBy(items, func(item *models.UserPost) int64 { return item.PostID })
+	tblUserPost, queryUserPost := models.UserPostQuery.QueryContext(ctx)
 
-	postItemMap, err := m.GetPostsMapByIDs(ctx, postIds)
+	cnt, err := queryUserPost.Where(tblUserPost.UserID.Eq(userId)).Count()
 	if err != nil {
 		return nil, err
 	}
 
-	type retItem struct {
-		Title    string    `json:"title"`
+	tbl, query := models.PostQuery.QueryContext(ctx)
+
+	var retItems []struct {
+		models.Post
 		Price    int64     `json:"price"`
 		BoughtAt time.Time `json:"bought_at"`
 	}
 
-	var retItems []retItem
-	for _, postID := range postIds {
-		post, ok := postItemMap[postID]
-		if !ok {
-			continue
-		}
-
-		postInfo := postInfoMap[postID]
-
-		retItems = append(retItems, retItem{
-			Title:    post.Title,
-			Price:    postInfo.Price,
-			BoughtAt: postInfo.CreatedAt,
-		})
+	err = query.
+		Select(
+			tbl.ALL,
+			tblUserPost.Price.As("price"),
+			tblUserPost.CreatedAt.As("bought_at"),
+		).
+		RightJoin(tblUserPost, tbl.ID.EqCol(tblUserPost.PostID)).
+		Where(tblUserPost.UserID.Eq(userId)).
+		Order(tblUserPost.CreatedAt.Desc()).
+		Scan(&retItems)
+	if err != nil {
+		return nil, err
 	}
 
 	return &requests.Pager{