Add GroupByLastmod

Fixes #7408
This commit is contained in:
Bjørn Erik Pedersen 2020-06-19 09:37:37 +02:00
parent fc045e12a9
commit 82abca32fa
3 changed files with 87 additions and 1 deletions

View file

@ -424,7 +424,7 @@ In the above example, you may want `{{.Title}}` to point the `title` field you h
### By Publish Date
{{< code file="layouts/partials/by-page-publish-date.html" >}}
<!-- Groups content by month according to the "publishdate" field in front matter -->
<!-- Groups content by month according to the "publishDate" field in front matter -->
{{ range .Pages.GroupByPublishDate "2006-01" }}
<h3>{{ .Key }}</h3>
<ul>
@ -438,6 +438,41 @@ In the above example, you may want `{{.Title}}` to point the `title` field you h
{{ end }}
{{< /code >}}
### By Lastmod
{{< code file="layouts/partials/by-page-lastmod.html" >}}
<!-- Groups content by month according to the "lastMod" field in front matter -->
{{ range .Pages.GroupByLastmod "2006-01" }}
<h3>{{ .Key }}</h3>
<ul>
{{ range .Pages }}
<li>
<a href="{{ .Permalink }}">{{ .Title }}</a>
<div class="meta">{{ .Lastmod.Format "Mon, Jan 2, 2006" }}</div>
</li>
{{ end }}
</ul>
{{ end }}
{{< /code >}}
### By Expiry Date
{{< code file="layouts/partials/by-page-expiry-date.html" >}}
<!-- Groups content by month according to the "expiryDate" field in front matter -->
{{ range .Pages.GroupByExpiryDate "2006-01" }}
<h3>{{ .Key }}</h3>
<ul>
{{ range .Pages }}
<li>
<a href="{{ .Permalink }}">{{ .Title }}</a>
<div class="meta">{{ .ExpiryDate.Format "Mon, Jan 2, 2006" }}</div>
</li>
{{ end }}
</ul>
{{ end }}
{{< /code >}}
### By Page Parameter
{{< code file="layouts/partials/by-page-param.html" >}}

View file

@ -284,6 +284,20 @@ func (p Pages) GroupByExpiryDate(format string, order ...string) (PagesGroup, er
return p.groupByDateField(sorter, formatter, order...)
}
// GroupByLastmod groups by the given page's Lastmod value in
// the given format and with the given order.
// Valid values for order is asc, desc, rev and reverse.
// For valid format strings, see https://golang.org/pkg/time/#Time.Format
func (p Pages) GroupByLastmod(format string, order ...string) (PagesGroup, error) {
sorter := func(p Pages) Pages {
return p.ByLastmod()
}
formatter := func(p Page) string {
return p.Lastmod().Format(format)
}
return p.groupByDateField(sorter, formatter, order...)
}
// GroupByParamDate groups by a date set as a param on the page in
// the given format and with the given order.
// Valid values for order is asc, desc, rev and reverse.

View file

@ -49,6 +49,7 @@ func preparePageGroupTestPages(t *testing.T) Pages {
p.date = cast.ToTime(src.date)
p.pubDate = cast.ToTime(src.date)
p.expiryDate = cast.ToTime(src.date)
p.lastMod = cast.ToTime(src.date).AddDate(3, 0, 0)
p.params["custom_param"] = src.param
p.params["custom_date"] = cast.ToTime(src.date)
pages = append(pages, p)
@ -378,6 +379,42 @@ func TestGroupByParamDate(t *testing.T) {
}
}
func TestGroupByLastmod(t *testing.T) {
t.Parallel()
pages := preparePageGroupTestPages(t)
expect := PagesGroup{
{Key: "2015-04", Pages: Pages{pages[4], pages[2], pages[0]}},
{Key: "2015-03", Pages: Pages{pages[3]}},
{Key: "2015-01", Pages: Pages{pages[1]}},
}
groups, err := pages.GroupByLastmod("2006-01")
if err != nil {
t.Fatalf("Unable to make PagesGroup array: %s", err)
}
if !reflect.DeepEqual(groups, expect) {
t.Errorf("PagesGroup has unexpected groups. It should be %#v, got %#v", expect, groups)
}
}
func TestGroupByLastmodInReverseOrder(t *testing.T) {
t.Parallel()
pages := preparePageGroupTestPages(t)
expect := PagesGroup{
{Key: "2015-01", Pages: Pages{pages[1]}},
{Key: "2015-03", Pages: Pages{pages[3]}},
{Key: "2015-04", Pages: Pages{pages[0], pages[2], pages[4]}},
}
groups, err := pages.GroupByLastmod("2006-01", "asc")
if err != nil {
t.Fatalf("Unable to make PagesGroup array: %s", err)
}
if !reflect.DeepEqual(groups, expect) {
t.Errorf("PagesGroup has unexpected groups. It should be\n%#v, got\n%#v", expect, groups)
}
}
func TestGroupByParamDateInReverseOrder(t *testing.T) {
t.Parallel()
pages := preparePageGroupTestPages(t)