fix

model/gmodel/fs_shopping_cart_logic.go

@@ -55,14 +55,34 @@ func (s *FsShoppingCartModel) GetAllByIds(ctx context.Context, ids []int64, sort
 }
 
 // 获取用户所有的购物车
-func (s *FsShoppingCartModel) GetUserAllCarts(ctx context.Context, userId int64, sort string, fields ...string) (resp []FsShoppingCart, err error) {
-	db := s.db.WithContext(ctx).Where("user_id = ?", userId)
-	if len(fields) > 0 {
-		db = db.Select(fields[0])
-	}
-	if sort != "" {
-		db = db.Order(sort)
-	}
-	err = db.Find(&resp).Error
-	return resp, err
+type GetAllCartsByParamReq struct {
+	Ids    []int64 //id集合
+	UserId int64   //用户id
+	Fields string  //筛选的字段
+	Sort   string  //排序
+	Page   int     //当前页
+	Limit  int     //每页数量
+}
+
+func (s *FsShoppingCartModel) GetAllCartsByParam(ctx context.Context, req GetAllCartsByParamReq) (resp []FsShoppingCart, total int64, err error) {
+	db := s.db.WithContext(ctx)
+	if req.UserId > 0 {
+		db = db.Where("user_id = ?", req.UserId)
+	}
+	if len(req.Ids) > 0 {
+		db = db.Where("id in (?)", req.Ids)
+	}
+	if req.Fields != "" {
+		db = db.Select(req.Fields)
+	}
+	if req.Sort != "" {
+		db = db.Order(req.Sort)
+	}
+	//查询数量
+	if err = db.Limit(1).Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+	offset := (req.Page - 1) * req.Limit
+	err = db.Offset(offset).Limit(req.Limit).Find(&resp).Error
+	return resp, total, err
 }