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// Copyright 2015 go-swagger maintainers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package strfmt
import (
"database/sql/driver"
"fmt"
"regexp"
"time"
"github.com/mailru/easyjson/jlexer"
"github.com/mailru/easyjson/jwriter"
)
func init() {
d := Date{}
Default.Add("date", &d, IsDate)
}
// IsDate returns true when the string is a valid date
func IsDate(str string) bool {
matches := rxDate.FindAllStringSubmatch(str, -1)
if len(matches) == 0 || len(matches[0]) == 0 {
return false
}
m := matches[0]
return !(m[2] < "01" || m[2] > "12" || m[3] < "01" || m[3] > "31")
}
const (
// RFC3339FullDate represents a full-date as specified by RFC3339
// See: http://goo.gl/xXOvVd
RFC3339FullDate = "2006-01-02"
// DatePattern pattern to match for the date format from http://tools.ietf.org/html/rfc3339#section-5.6
DatePattern = `^([0-9]{4})-([0-9]{2})-([0-9]{2})`
)
var (
rxDate = regexp.MustCompile(DatePattern)
)
// Date represents a date from the API
//
// swagger:strfmt date
type Date time.Time
// String converts this date into a string
func (d Date) String() string {
return time.Time(d).Format(RFC3339FullDate)
}
// UnmarshalText parses a text representation into a date type
func (d *Date) UnmarshalText(text []byte) error {
if len(text) == 0 {
return nil
}
dd, err := time.Parse(RFC3339FullDate, string(text))
if err != nil {
return err
}
*d = Date(dd)
return nil
}
// MarshalText serializes this date type to string
func (d Date) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
// Scan scans a Date value from database driver type.
func (d *Date) Scan(raw interface{}) error {
switch v := raw.(type) {
case []byte:
return d.UnmarshalText(v)
case string:
return d.UnmarshalText([]byte(v))
case time.Time:
*d = Date(v)
return nil
case nil:
*d = Date{}
return nil
default:
return fmt.Errorf("cannot sql.Scan() strfmt.Date from: %#v", v)
}
}
// Value converts Date to a primitive value ready to written to a database.
func (d Date) Value() (driver.Value, error) {
return driver.Value(d), nil
}
func (t Date) MarshalJSON() ([]byte, error) {
var w jwriter.Writer
t.MarshalEasyJSON(&w)
return w.BuildBytes()
}
func (t Date) MarshalEasyJSON(w *jwriter.Writer) {
w.String(time.Time(t).Format(RFC3339FullDate))
}
func (t *Date) UnmarshalJSON(data []byte) error {
l := jlexer.Lexer{Data: data}
t.UnmarshalEasyJSON(&l)
return l.Error()
}
func (t *Date) UnmarshalEasyJSON(in *jlexer.Lexer) {
if data := in.String(); in.Ok() {
tt, err := time.Parse(RFC3339FullDate, data)
if err != nil {
in.AddError(err)
return
}
*t = Date(tt)
}
}
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