49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
package gmodel
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import "context"
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// 获取用户购物车数量
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func (s *FsShoppingCartModel) CountUserCart(ctx context.Context, userId int64) (total int64, err error) {
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err = s.db.WithContext(ctx).Where("user_id = ?", userId).Limit(1).Count(&total).Error
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return total, err
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}
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// 获取单个
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func (s *FsShoppingCartModel) FindOne(ctx context.Context, id int64, fields ...string) (resp *FsShoppingCart, err error) {
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db := s.db.WithContext(ctx).Where("id = ?", id)
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if len(fields) > 0 {
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db = db.Select(fields[0])
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}
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err = db.Take(&resp).Error
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return resp, err
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}
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// 获取多个
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func (s *FsShoppingCartModel) GetAllByIds(ctx context.Context, ids []int64, sort string, fields ...string) (resp []FsShoppingCart, err error) {
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if len(ids) == 0 {
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return
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}
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db := s.db.WithContext(ctx).Where("id in (?)", ids)
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if len(fields) > 0 {
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db = db.Select(fields[0])
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}
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if sort != "" {
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db = db.Order(sort)
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}
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err = db.Find(&resp).Error
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return resp, err
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}
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// 获取用户所有的购物车
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func (s *FsShoppingCartModel) GetUserAllCarts(ctx context.Context, userId int64, sort string, fields ...string) (resp []FsShoppingCart, err error) {
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db := s.db.WithContext(ctx).Where("user_id = ?", userId)
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if len(fields) > 0 {
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db = db.Select(fields[0])
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}
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if sort != "" {
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db = db.Order(sort)
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}
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err = db.Find(&resp).Error
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return resp, err
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}
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