/
time.go
162 lines (134 loc) · 3.4 KB
/
time.go
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package gossamer
import (
"fmt"
"gopkg.in/mgo.v2/bson"
"strings"
"time"
)
var STD_TIME_FORMAT_INSTANT = "2006-01-02T15:04:05-07:00"
var STD_TIME_FORMAT_PERIOD = "2006-01-02T15:04:05.00Z"
func NewDefaultTimePeriod() *TimePeriod {
return &TimePeriod{}
}
func NewTimePeriod(from time.Time, to time.Time) *TimePeriod {
return &TimePeriod{
FromTime: from,
ToTime: to,
}
}
type TimePeriod struct {
FromTime time.Time
ToTime time.Time
}
func (t *TimePeriod) From() time.Time {
return t.FromTime
}
func (t *TimePeriod) To() time.Time {
return t.ToTime
}
func (t TimePeriod) GetBSON() (interface{}, error) {
var out string
// Time Instant
if !t.FromTime.IsZero() && !t.ToTime.IsZero() {
out = fmt.Sprintf("\"%s/%s\"", t.FromTime.Format(STD_TIME_FORMAT_PERIOD), t.ToTime.Format(STD_TIME_FORMAT_PERIOD))
} else {
// Time Period
out = fmt.Sprintf("\"%s\"", t.FromTime.Format(STD_TIME_FORMAT_INSTANT))
}
return out, nil
}
func (t *TimePeriod) SetBSON(raw bson.Raw) error {
var str string
err := raw.Unmarshal(&str)
if err == nil {
str = strings.Replace(str, "\"", "", -1)
split := strings.Split(str, "/")
if len(split) == 2 {
t.FromTime, err = time.Parse(STD_TIME_FORMAT_PERIOD, split[0])
if err != nil {
return err
}
t.ToTime, err = time.Parse(STD_TIME_FORMAT_PERIOD, split[1])
if err != nil {
return err
}
} else {
t.FromTime, err = time.Parse(STD_TIME_FORMAT_INSTANT, split[0])
if err != nil {
return err
}
}
}
return err
}
func (t TimePeriod) MarshalJSON() ([]byte, error) {
var out string
// Time Instant
if !t.FromTime.IsZero() && !t.ToTime.IsZero() {
out = fmt.Sprintf("\"%s/%s\"", t.From().Format(STD_TIME_FORMAT_PERIOD), t.To().Format(STD_TIME_FORMAT_PERIOD))
} else {
// Time Period
out = fmt.Sprintf("\"%s\"", t.FromTime.Format(STD_TIME_FORMAT_INSTANT))
}
return []byte(out), nil
}
func (t *TimePeriod) UnmarshalJSON(data []byte) error {
var err error
str := strings.Replace(string(data), "\"", "", -1)
split := strings.Split(str, "/")
if len(split) == 2 {
t.FromTime, err = time.Parse(STD_TIME_FORMAT_PERIOD, split[0])
if err != nil {
return err
}
t.ToTime, err = time.Parse(STD_TIME_FORMAT_PERIOD, split[1])
if err != nil {
return err
}
} else {
t.FromTime, err = time.Parse(STD_TIME_FORMAT_INSTANT, split[0])
if err != nil {
return err
}
}
return nil
}
func (t TimePeriod) IsZero() bool {
return t.FromTime.IsZero() && t.ToTime.IsZero()
}
type TimeInstant time.Time
func NewTimeInstant(t time.Time) *TimeInstant {
ti := TimeInstant(t)
return &ti
}
func (t TimeInstant) GetBSON() (interface{}, error) {
out := fmt.Sprintf("\"%s\"", time.Time(t).Format(STD_TIME_FORMAT_INSTANT))
return out, nil
}
func (t *TimeInstant) SetBSON(raw bson.Raw) error {
var str string
err := raw.Unmarshal(&str)
if err == nil {
tv, err := time.Parse(STD_TIME_FORMAT_INSTANT, strings.Replace(str, "\"", "", -1))
if err != nil {
return err
}
*t = TimeInstant(tv)
}
return err
}
func (t TimeInstant) MarshalJSON() ([]byte, error) {
out := fmt.Sprintf("\"%s\"", time.Time(t).Format(STD_TIME_FORMAT_INSTANT))
return []byte(out), nil
}
func (t *TimeInstant) UnmarshalJSON(data []byte) error {
tv, err := time.Parse(STD_TIME_FORMAT_INSTANT, strings.Replace(string(data), "\"", "", -1))
if err != nil {
return err
}
*t = TimeInstant(tv)
return nil
}
func (t TimeInstant) IsZero() bool {
return time.Time(t).IsZero()
}