next-terminal/server/common/jsontime.go
2022-10-23 20:05:13 +08:00

57 lines
979 B
Go

package common
import (
"database/sql/driver"
"fmt"
"strings"
"time"
)
type JsonTime struct {
time.Time
}
func NewJsonTime(t time.Time) JsonTime {
return JsonTime{
Time: t,
}
}
func NowJsonTime() JsonTime {
return JsonTime{
Time: time.Now(),
}
}
func (j JsonTime) MarshalJSON() ([]byte, error) {
var stamp = fmt.Sprintf("\"%s\"", j.Format("2006-01-02 15:04:05"))
return []byte(stamp), nil
}
func (j *JsonTime) UnmarshalJSON(b []byte) error {
s := strings.ReplaceAll(string(b), "\"", "")
t, err := time.Parse("2006-01-02 15:04:05", s)
if err != nil {
return err
}
*j = NewJsonTime(t)
return nil
}
func (j JsonTime) Value() (driver.Value, error) {
var zeroTime time.Time
if j.Time.UnixNano() == zeroTime.UnixNano() {
return nil, nil
}
return j.Time, nil
}
func (j *JsonTime) Scan(v interface{}) error {
value, ok := v.(time.Time)
if ok {
*j = JsonTime{Time: value}
return nil
}
return fmt.Errorf("can not convert %v to timestamp", v)
}