mirror of
https://github.com/rocky-linux/peridot.git
synced 2024-11-01 04:41:22 +00:00
282 lines
8.5 KiB
Go
282 lines
8.5 KiB
Go
// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package strfmt
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import (
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"database/sql/driver"
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"encoding/binary"
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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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"time"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/bson/bsontype"
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)
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func init() {
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dt := DateTime{}
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Default.Add("datetime", &dt, IsDateTime)
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}
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// IsDateTime returns true when the string is a valid date-time
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func IsDateTime(str string) bool {
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if len(str) < 4 {
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return false
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}
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s := strings.Split(strings.ToLower(str), "t")
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if len(s) < 2 || !IsDate(s[0]) {
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return false
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}
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matches := rxDateTime.FindAllStringSubmatch(s[1], -1)
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if len(matches) == 0 || len(matches[0]) == 0 {
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return false
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}
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m := matches[0]
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res := m[1] <= "23" && m[2] <= "59" && m[3] <= "59"
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return res
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}
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const (
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// RFC3339Millis represents a ISO8601 format to millis instead of to nanos
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RFC3339Millis = "2006-01-02T15:04:05.000Z07:00"
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// RFC3339MillisNoColon represents a ISO8601 format to millis instead of to nanos
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RFC3339MillisNoColon = "2006-01-02T15:04:05.000Z0700"
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// RFC3339Micro represents a ISO8601 format to micro instead of to nano
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RFC3339Micro = "2006-01-02T15:04:05.000000Z07:00"
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// RFC3339MicroNoColon represents a ISO8601 format to micro instead of to nano
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RFC3339MicroNoColon = "2006-01-02T15:04:05.000000Z0700"
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// ISO8601LocalTime represents a ISO8601 format to ISO8601 in local time (no timezone)
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ISO8601LocalTime = "2006-01-02T15:04:05"
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// ISO8601TimeWithReducedPrecision represents a ISO8601 format with reduced precision (dropped secs)
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ISO8601TimeWithReducedPrecision = "2006-01-02T15:04Z"
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// ISO8601TimeWithReducedPrecisionLocaltime represents a ISO8601 format with reduced precision and no timezone (dropped seconds + no timezone)
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ISO8601TimeWithReducedPrecisionLocaltime = "2006-01-02T15:04"
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// ISO8601TimeUniversalSortableDateTimePattern represents a ISO8601 universal sortable date time pattern.
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ISO8601TimeUniversalSortableDateTimePattern = "2006-01-02 15:04:05"
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// DateTimePattern pattern to match for the date-time format from http://tools.ietf.org/html/rfc3339#section-5.6
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DateTimePattern = `^([0-9]{2}):([0-9]{2}):([0-9]{2})(.[0-9]+)?(z|([+-][0-9]{2}:[0-9]{2}))$`
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)
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var (
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rxDateTime = regexp.MustCompile(DateTimePattern)
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// DateTimeFormats is the collection of formats used by ParseDateTime()
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DateTimeFormats = []string{RFC3339Micro, RFC3339MicroNoColon, RFC3339Millis, RFC3339MillisNoColon, time.RFC3339, time.RFC3339Nano, ISO8601LocalTime, ISO8601TimeWithReducedPrecision, ISO8601TimeWithReducedPrecisionLocaltime, ISO8601TimeUniversalSortableDateTimePattern}
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// MarshalFormat sets the time resolution format used for marshaling time (set to milliseconds)
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MarshalFormat = RFC3339Millis
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// NormalizeTimeForMarshal provides a normalization function on time befeore marshalling (e.g. time.UTC).
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// By default, the time value is not changed.
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NormalizeTimeForMarshal = func(t time.Time) time.Time { return t }
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)
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// ParseDateTime parses a string that represents an ISO8601 time or a unix epoch
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func ParseDateTime(data string) (DateTime, error) {
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if data == "" {
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return NewDateTime(), nil
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}
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var lastError error
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for _, layout := range DateTimeFormats {
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dd, err := time.Parse(layout, data)
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if err != nil {
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lastError = err
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continue
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}
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return DateTime(dd), nil
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}
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return DateTime{}, lastError
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}
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// DateTime is a time but it serializes to ISO8601 format with millis
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// It knows how to read 3 different variations of a RFC3339 date time.
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// Most APIs we encounter want either millisecond or second precision times.
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// This just tries to make it worry-free.
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//
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// swagger:strfmt date-time
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type DateTime time.Time
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// NewDateTime is a representation of zero value for DateTime type
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func NewDateTime() DateTime {
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return DateTime(time.Unix(0, 0).UTC())
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}
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// String converts this time to a string
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func (t DateTime) String() string {
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return NormalizeTimeForMarshal(time.Time(t)).Format(MarshalFormat)
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}
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// MarshalText implements the text marshaller interface
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func (t DateTime) MarshalText() ([]byte, error) {
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return []byte(t.String()), nil
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}
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// UnmarshalText implements the text unmarshaller interface
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func (t *DateTime) UnmarshalText(text []byte) error {
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tt, err := ParseDateTime(string(text))
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if err != nil {
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return err
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}
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*t = tt
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return nil
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}
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// Scan scans a DateTime value from database driver type.
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func (t *DateTime) Scan(raw interface{}) error {
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// TODO: case int64: and case float64: ?
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switch v := raw.(type) {
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case []byte:
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return t.UnmarshalText(v)
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case string:
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return t.UnmarshalText([]byte(v))
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case time.Time:
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*t = DateTime(v)
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case nil:
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*t = DateTime{}
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default:
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return fmt.Errorf("cannot sql.Scan() strfmt.DateTime from: %#v", v)
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}
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return nil
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}
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// Value converts DateTime to a primitive value ready to written to a database.
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func (t DateTime) Value() (driver.Value, error) {
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return driver.Value(t.String()), nil
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}
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// MarshalJSON returns the DateTime as JSON
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func (t DateTime) MarshalJSON() ([]byte, error) {
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return json.Marshal(NormalizeTimeForMarshal(time.Time(t)).Format(MarshalFormat))
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}
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// UnmarshalJSON sets the DateTime from JSON
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func (t *DateTime) UnmarshalJSON(data []byte) error {
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if string(data) == jsonNull {
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return nil
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}
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var tstr string
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if err := json.Unmarshal(data, &tstr); err != nil {
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return err
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}
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tt, err := ParseDateTime(tstr)
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if err != nil {
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return err
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}
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*t = tt
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return nil
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}
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// MarshalBSON renders the DateTime as a BSON document
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func (t DateTime) MarshalBSON() ([]byte, error) {
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return bson.Marshal(bson.M{"data": t})
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}
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// UnmarshalBSON reads the DateTime from a BSON document
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func (t *DateTime) UnmarshalBSON(data []byte) error {
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var obj struct {
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Data DateTime
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}
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if err := bson.Unmarshal(data, &obj); err != nil {
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return err
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}
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*t = obj.Data
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return nil
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}
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// MarshalBSONValue is an interface implemented by types that can marshal themselves
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// into a BSON document represented as bytes. The bytes returned must be a valid
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// BSON document if the error is nil.
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// Marshals a DateTime as a bsontype.DateTime, an int64 representing
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// milliseconds since epoch.
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func (t DateTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
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// UnixNano cannot be used, the result of calling UnixNano on the zero
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// Time is undefined.
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i64 := NormalizeTimeForMarshal(time.Time(t)).Unix() * 1000
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buf := make([]byte, 8)
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binary.LittleEndian.PutUint64(buf, uint64(i64))
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return bsontype.DateTime, buf, nil
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}
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// UnmarshalBSONValue is an interface implemented by types that can unmarshal a
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// BSON value representation of themselves. The BSON bytes and type can be
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// assumed to be valid. UnmarshalBSONValue must copy the BSON value bytes if it
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// wishes to retain the data after returning.
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func (t *DateTime) UnmarshalBSONValue(tpe bsontype.Type, data []byte) error {
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i64 := int64(binary.LittleEndian.Uint64(data))
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// TODO: Use bsonprim.DateTime.Time() method
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*t = DateTime(time.Unix(i64/1000, i64%1000*1000000))
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return nil
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}
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// DeepCopyInto copies the receiver and writes its value into out.
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func (t *DateTime) DeepCopyInto(out *DateTime) {
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*out = *t
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}
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// DeepCopy copies the receiver into a new DateTime.
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func (t *DateTime) DeepCopy() *DateTime {
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if t == nil {
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return nil
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}
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out := new(DateTime)
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t.DeepCopyInto(out)
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return out
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}
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// GobEncode implements the gob.GobEncoder interface.
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func (t DateTime) GobEncode() ([]byte, error) {
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return t.MarshalBinary()
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}
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// GobDecode implements the gob.GobDecoder interface.
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func (t *DateTime) GobDecode(data []byte) error {
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return t.UnmarshalBinary(data)
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}
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// MarshalBinary implements the encoding.BinaryMarshaler interface.
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func (t DateTime) MarshalBinary() ([]byte, error) {
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return NormalizeTimeForMarshal(time.Time(t)).MarshalBinary()
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}
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// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
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func (t *DateTime) UnmarshalBinary(data []byte) error {
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var original time.Time
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err := original.UnmarshalBinary(data)
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if err != nil {
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return err
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}
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*t = DateTime(original)
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return nil
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}
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// Equal checks if two DateTime instances are equal using time.Time's Equal method
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func (t DateTime) Equal(t2 DateTime) bool {
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return time.Time(t).Equal(time.Time(t2))
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}
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