time-arrow/cache.go

package time_arrow

import "time"

type cache struct {
	Expired time.Time
	Data    string
}

func (c *cache) IsExpired() bool {
	return c.Expired.Before(time.Now())
}

func (c *cache) SetData(data string, duration time.Duration) {
	c.Data = data
	c.Expired = time.Now().Add(duration)
}

func (c *cache) GetData() string {
	if c.IsExpired() {
		return ""
	}
	return c.Data
}