stock

Documentation

Index

• Variables
• type Stock
  • func NewMemStock(eventID string, goodsID string) (Stock, error)
  • func NewRedisStock(eventID string, goodsID string) (Stock, error)

Variables

var (
	ErrNotFound = errors.New("not found")
)

Types

type Stock

type Stock interface {
	// 设置库存，并设置过期时间
	Set(val int64, expire int64) error
	// 直接返回剩余库存
	Get() (int64, error)
	// 尝试扣减一个库存，并返回剩余库存
	Sub(uid string) (int64, error)
	// 删除库存数据
	Del() error
	// 返回活动 ID
	EventID() string
	// 返回商品 ID
	GoodsID() string
}

func NewMemStock

func NewMemStock(eventID string, goodsID string) (Stock, error)

func NewRedisStock

func NewRedisStock(eventID string, goodsID string) (Stock, error)