1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
package page
import (
"sort"
)
// PageList is a slice of pages, providing a couple of methods to sort
// by the date, or date reversed.
type PageList []*Page
// RemoveDateless returns two PageLists, the first with valid dates,
// and the second without. This is useful if you need a PageList which
// will run SortDate and SortDateReverse without issue.
func (p PageList) RemoveDateless() (PageList, PageList) {
with := PageList{}
without := PageList{}
for _, p := range p {
if p.Date != nil {
with = append(with, p)
} else {
without = append(without, p)
}
}
return with, without
}
// SortDate returns the pagelist sorted by date, may panic if pages do
// not all have dates.
func (p PageList) SortDate() PageList {
sort.Slice(p, func(i, j int) bool {
return p[i].Time().After(p[j].Time())
})
return p
}
// SortDateReverse returns the pagelist sorted by date in reverse, may panic if
// pages do not all have dates.
func (p PageList) SortDateReverse() PageList {
sort.Slice(p, func(i, j int) bool {
return p[i].Time().Before(p[j].Time())
})
return p
}
|
