SwordFish_Interface_Service/lock/interface.go

package lock

/**
用户消费接口
*/
type Cost interface {
	deduction() //扣费(剩余量|账户余额)
	before() bool
	after()
}

type Deduction interface {
}

type LeftNumUserCost struct {
	AppID                string
	ProductID            int
	LeftNum              int
	ProductType          int
	DataNumLimitOneTimes int
}
type AccountBalanceUserCost struct {
	AppID          string
	ProductID      int
	AccountBalance int
}

func (l *LeftNumUserCost) deduction() {
}

func (l *LeftNumUserCost) before() bool {
	switch l.ProductType {
	case 0:
		//按次扣费的产品-判断left_num
		if l.LeftNum == 0 {
			return false
		}
	case 1:
		//按条扣费的产品-判断单次调用的limit
		if l.LeftNum < l.DataNumLimitOneTimes {
			return false
		}
	}
	return true
}

func (l *LeftNumUserCost) after() {
	switch l.ProductType {
	case 0:
	case 1:
	}
}

func (a *AccountBalanceUserCost) deduction() {

}