hugo dates 代码
文件路径：/resources/resource/dates.go
/ Copyright 2019 The Hugo Authors. All rights reserved.
/
/ 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 resource
import (
"time"
"github.com/gohugoio/hugo/common/htime"
)
var _ Dated = Dates{}
/ Dated wraps a "dated resource". These are the 4 dates that makes
/ the date logic in Hugo.
type Dated interface {
/ Date returns the date of the resource.
Date() time.Time
/ Lastmod returns the last modification date of the resource.
Lastmod() time.Time
/ PublishDate returns the publish date of the resource.
PublishDate() time.Time
/ ExpiryDate returns the expiration date of the resource.
ExpiryDate() time.Time
}
/ Dates holds the 4 Hugo dates.
type Dates struct {
FDate time.Time
FLastmod time.Time
FPublishDate time.Time
FExpiryDate time.Time
}
func (d *Dates) UpdateDateAndLastmodIfAfter(in Dated) {
if in.Date().After(d.Date()) {
d.FDate = in.Date()
}
if in.Lastmod().After(d.Lastmod()) {
d.FLastmod = in.Lastmod()
}
}
/ IsFuture returns whether the argument represents the future.
func IsFuture(d Dated) bool {
if d.PublishDate().IsZero() {
return false
}
return d.PublishDate().After(htime.Now())
}
/ IsExpired returns whether the argument is expired.
func IsExpired(d Dated) bool {
if d.ExpiryDate().IsZero() {
return false
}
return d.ExpiryDate().Before(htime.Now())
}
/ IsZeroDates returns true if all of the dates are zero.
func IsZeroDates(d Dated) bool {
return d.Date().IsZero() && d.Lastmod().IsZero() && d.ExpiryDate().IsZero() && d.PublishDate().IsZero()
}
func (p Dates) Date() time.Time {
return p.FDate
}
func (p Dates) Lastmod() time.Time {
return p.FLastmod
}
func (p Dates) PublishDate() time.Time {
return p.FPublishDate
}
func (p Dates) ExpiryDate() time.Time {
return p.FExpiryDate
}