package common

import (
	"strings"
	"time"
)

const (
	format = "2006-01-02"
)

type MyTime time.Time

func (t MyTime) MarshalJSON() ([]byte, error) {
	b := make([]byte, 0, len(format)+2)
	b = append(b, '"')
	b = (time.Time(t)).AppendFormat(b, format)
	b = append(b, '"')
	return b, nil
}

func (t *MyTime) UnmarshalJSON(data []byte) (err error) {
	if len(data) < 3 || strings.ToLower(string(data)) == "null" {
		*t = MyTime(time.Time{})
		return err
	}
	now, err := time.ParseInLocation(`"`+format+`"`, string(data), time.Local)
	*t = MyTime(now)
	return
}