Added rfctime.Date type
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GPG Key ID:
D3C7172E0A70F8CF
@ -16,6 +16,9 @@ func CreateGoExtBsonRegistry() *bsoncodec.Registry {
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rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
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rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
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rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.Date{}), rfctime.Date{})
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rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.Date{}), rfctime.Date{})
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bsoncodec.DefaultValueEncoders{}.RegisterDefaultEncoders(rb)
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bsoncodec.DefaultValueDecoders{}.RegisterDefaultDecoders(rb)
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240
rfctime/date.go
Normal file
240
rfctime/date.go
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@ -0,0 +1,240 @@
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package rfctime
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import (
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"encoding/json"
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"errors"
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"fmt"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/bson/bsoncodec"
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"go.mongodb.org/mongo-driver/bson/bsonrw"
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"go.mongodb.org/mongo-driver/bson/bsontype"
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"reflect"
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"time"
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)
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type Date struct {
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Year int
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Month int
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Day int
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}
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func (t Date) Time(loc *time.Location) time.Time {
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return time.Date(t.Year, time.Month(t.Month), t.Day, 0, 0, 0, 0, loc)
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}
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func (t Date) TimeUTC() time.Time {
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return time.Date(t.Year, time.Month(t.Month), t.Day, 0, 0, 0, 0, time.UTC)
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}
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func (t Date) TimeLocal() time.Time {
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return time.Date(t.Year, time.Month(t.Month), t.Day, 0, 0, 0, 0, time.Local)
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}
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func (t Date) MarshalBinary() ([]byte, error) {
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return t.TimeUTC().MarshalBinary()
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}
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func (t *Date) UnmarshalBinary(data []byte) error {
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nt := time.Time{}
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if err := nt.UnmarshalBinary(data); err != nil {
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return err
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}
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t.Year = nt.Year()
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t.Month = int(nt.Month())
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t.Day = nt.Day()
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return nil
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}
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func (t Date) GobEncode() ([]byte, error) {
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return t.TimeUTC().GobEncode()
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}
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func (t *Date) GobDecode(data []byte) error {
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nt := time.Time{}
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if err := nt.GobDecode(data); err != nil {
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return err
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}
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t.Year = nt.Year()
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t.Month = int(nt.Month())
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t.Day = nt.Day()
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return nil
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}
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func (t *Date) UnmarshalJSON(data []byte) error {
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str := ""
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if err := json.Unmarshal(data, &str); err != nil {
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return err
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}
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t0, err := time.Parse(t.FormatStr(), str)
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if err != nil {
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return err
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}
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t.Year = t0.Year()
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t.Month = int(t0.Month())
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t.Day = t0.Day()
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return nil
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}
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func (t Date) MarshalJSON() ([]byte, error) {
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str := t.TimeUTC().Format(t.FormatStr())
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return json.Marshal(str)
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}
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func (t Date) MarshalText() ([]byte, error) {
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b := make([]byte, 0, len(t.FormatStr()))
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return t.TimeUTC().AppendFormat(b, t.FormatStr()), nil
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}
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func (t *Date) UnmarshalText(data []byte) error {
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var err error
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v, err := time.Parse(t.FormatStr(), string(data))
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if err != nil {
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return err
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}
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t.Year = v.Year()
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t.Month = int(v.Month())
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t.Day = v.Day()
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return nil
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}
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func (t *Date) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
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if bt == bsontype.Null {
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// we can't set nil in UnmarshalBSONValue (so we use default(struct))
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// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
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// https://stackoverflow.com/questions/75167597
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// https://jira.mongodb.org/browse/GODRIVER-2252
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*t = Date{}
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return nil
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}
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if bt != bsontype.String {
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return errors.New(fmt.Sprintf("cannot unmarshal %v into Date", bt))
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}
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var tt string
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err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
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if err != nil {
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return err
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}
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v, err := time.Parse(t.FormatStr(), tt)
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if err != nil {
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return err
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}
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t.Year = v.Year()
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t.Month = int(v.Month())
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t.Day = v.Day()
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return nil
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}
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func (t Date) MarshalBSONValue() (bsontype.Type, []byte, error) {
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return bson.MarshalValue(t.TimeUTC().Format(t.FormatStr()))
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}
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func (t Date) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
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if val.Kind() == reflect.Ptr && val.IsNil() {
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if !val.CanSet() {
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return errors.New("ValueUnmarshalerDecodeValue")
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}
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val.Set(reflect.New(val.Type().Elem()))
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}
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tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
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if err != nil {
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return err
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}
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if val.Kind() == reflect.Ptr && len(src) == 0 {
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val.Set(reflect.Zero(val.Type()))
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return nil
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}
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err = t.UnmarshalBSONValue(tp, src)
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if err != nil {
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return err
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}
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if val.Kind() == reflect.Ptr {
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val.Set(reflect.ValueOf(&t))
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} else {
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val.Set(reflect.ValueOf(t))
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}
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return nil
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}
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func (t Date) Serialize() string {
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return t.TimeUTC().Format(t.FormatStr())
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}
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func (t Date) FormatStr() string {
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return "2006-01-02"
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}
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func (t Date) Date() (year int, month time.Month, day int) {
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return t.TimeUTC().Date()
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}
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func (t Date) Weekday() time.Weekday {
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return t.TimeUTC().Weekday()
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}
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func (t Date) ISOWeek() (year, week int) {
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return t.TimeUTC().ISOWeek()
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}
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func (t Date) YearDay() int {
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return t.TimeUTC().YearDay()
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}
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func (t Date) AddDate(years int, months int, days int) Date {
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return NewDate(t.TimeUTC().AddDate(years, months, days))
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}
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func (t Date) Unix() int64 {
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return t.TimeUTC().Unix()
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}
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func (t Date) UnixMilli() int64 {
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return t.TimeUTC().UnixMilli()
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}
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func (t Date) UnixMicro() int64 {
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return t.TimeUTC().UnixMicro()
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}
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func (t Date) UnixNano() int64 {
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return t.TimeUTC().UnixNano()
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}
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func (t Date) Format(layout string) string {
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return t.TimeUTC().Format(layout)
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}
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func (t Date) GoString() string {
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return t.TimeUTC().GoString()
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}
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func (t Date) String() string {
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return t.TimeUTC().String()
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}
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func NewDate(t time.Time) Date {
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return Date{
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Year: t.Year(),
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Month: int(t.Month()),
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Day: t.Day(),
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}
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}
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func NowDate(loc *time.Location) Date {
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return NewDate(time.Now().In(loc))
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}
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func NowDateLoc() Date {
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return NewDate(time.Now().In(time.UTC))
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}
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func NowDateUTC() Date {
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return NewDate(time.Now().In(time.Local))
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}
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