You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package coupon
|
|
|
|
import "time"
|
|
|
|
// CouponType 优惠券类型
|
|
type CouponType int
|
|
|
|
const (
|
|
CouponTypeFullReduction CouponType = 1 // 满减
|
|
CouponTypeDiscount CouponType = 2 // 折扣
|
|
)
|
|
|
|
// CouponStatus 优惠券状态
|
|
type CouponStatus int
|
|
|
|
const (
|
|
CouponStatusNormal CouponStatus = 1 // 正常
|
|
CouponStatusUsed CouponStatus = 2 // 已使用
|
|
CouponStatusExpired CouponStatus = 3 // 已过期
|
|
CouponStatusDisabled CouponStatus = 4 // 已停用
|
|
)
|
|
|
|
// Coupon 优惠券实体
|
|
type Coupon struct {
|
|
ID uint64 `xorm:"pk autoincr"` // 优惠券ID
|
|
Code string `xorm:"varchar(255)"` // 优惠券码
|
|
Name string `xorm:"varchar(255)"` // 优惠券名称
|
|
Type CouponType `xorm:"int"` // 优惠券类型
|
|
Value int64 `xorm:"int"` // 优惠券值
|
|
MinAmount int64 `xorm:"int"` // 最低使用金额
|
|
StartTime time.Time `xorm:"datetime"` // 开始时间
|
|
EndTime time.Time `xorm:"datetime"` // 结束时间
|
|
Status CouponStatus `xorm:"int"` // 优惠券状态
|
|
AdminID uint64 `xorm:"int"` // 创建者ID
|
|
UserID uint64 `xorm:"int"` // 使用者ID
|
|
UsedAt time.Time `xorm:"datetime"` // 使用时间
|
|
CreatedAt time.Time `xorm:"created"` // 创建时间
|
|
UpdatedAt time.Time `xorm:"updated"` // 更新时间
|
|
DeletedAt time.Time `xorm:"deleted"` // 删除时间
|
|
}
|
|
|
|
// TableName 指定表名
|
|
|
|
// IsValid 检查优惠券是否有效
|
|
func (c *Coupon) IsValid() bool {
|
|
return c.ID > 0 && c.Code != "" && c.Name != "" && c.Status == CouponStatusNormal
|
|
}
|
|
|
|
// IsExpired 检查优惠券是否已过期
|
|
func (c *Coupon) IsExpired() bool {
|
|
return time.Now().After(c.EndTime)
|
|
}
|
|
|
|
// IsNotStarted 检查优惠券是否未开始
|
|
func (c *Coupon) IsNotStarted() bool {
|
|
return time.Now().Before(c.StartTime)
|
|
}
|
|
|
|
// IsUsed 检查优惠券是否已使用
|
|
func (c *Coupon) IsUsed() bool {
|
|
return c.Status == CouponStatusUsed
|
|
}
|
|
|
|
// IsDisabled 检查优惠券是否已停用
|
|
func (c *Coupon) IsDisabled() bool {
|
|
return c.Status == CouponStatusDisabled
|
|
}
|