feat: sale manager

This commit is contained in:
zzw
2026-08-28 10:49:09 +08:00
parent 97eba7ad48
commit 6f567319be
82 changed files with 4491 additions and 182 deletions
@@ -20,19 +20,24 @@ func (m ProductModel) Init() ProductModel {
return m
}
func (m ProductModel) WithTX(tx *gorm.DB) ProductModel {
m.Base = m.Base.WithTX(tx)
return m
}
func (m ProductModel) Create(data *dao.Create) error {
return m.Base.Create(data)
}
func (m ProductModel) IncrNumber(id int64, n uint32) (int64, error) {
ret := modelbase.DB().Table(m.TableName()).
ret := m.Session().
Where("id = ?", id).
Update("number", gorm.Expr("number + ?", n))
return ret.RowsAffected, ret.Error
}
func (m ProductModel) DecrNumber(id int64, n uint32) (int64, error) {
ret := modelbase.DB().Table(m.TableName()).
ret := m.Session().
Where("id = ? AND number >= ?", id, n).
Update("number", gorm.Expr("number - ?", n))
return ret.RowsAffected, ret.Error