package model import ( "gorm.io/gorm" "hepa-calc-admin-api/global" "time" ) // OrderSingleCoupon 订单-单项-优惠卷表 type OrderSingleCoupon struct { OrderCouponId int64 `gorm:"column:order_coupon_id;type:bigint(19);primary_key;comment:主键id" json:"order_coupon_id"` OrderId int64 `gorm:"column:order_id;type:bigint(19);comment:单项订单id;NOT NULL" json:"order_id"` UserCouponId int64 `gorm:"column:user_coupon_id;type:bigint(19);comment:用户优惠卷表id;NOT NULL" json:"user_coupon_id"` CouponName string `gorm:"column:coupon_name;type:varchar(255);comment:优惠卷名称" json:"coupon_name"` CouponUsePrice float64 `gorm:"column:coupon_use_price;type:decimal(10,2) unsigned;default:0.00;comment:优惠卷使用金额" json:"coupon_use_price"` Model } func (m *OrderSingleCoupon) TableName() string { return "order_single_coupon" } func (m *OrderSingleCoupon) BeforeCreate(tx *gorm.DB) error { if m.OrderCouponId == 0 { m.OrderCouponId = global.Snowflake.Generate().Int64() } m.CreatedAt = LocalTime(time.Now()) tx.Statement.SetColumn("CreatedAt", m.CreatedAt) m.UpdatedAt = LocalTime(time.Now()) tx.Statement.SetColumn("UpdatedAt", m.UpdatedAt) return nil }