hugo-to-gemini/cmd/gmnhg/templates.go
2021-08-22 15:34:30 +03:00

73 lines
2 KiB
Go

// This file is part of gmnhg.
// gmnhg is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// gmnhg is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with gmnhg. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"sort"
"text/template"
"github.com/Masterminds/sprig/v3"
)
type postsSort []*post
func (p postsSort) Len() int {
return len(p)
}
func (p postsSort) Less(i, j int) bool {
return p[i].Metadata.PostDate.After(p[j].Metadata.PostDate)
}
func (p postsSort) Swap(i, j int) {
t := p[i]
p[i] = p[j]
p[j] = t
}
func mustParseTmpl(name, value string) *template.Template {
return template.Must(template.New(name).Funcs(defineFuncMap()).Parse(value))
}
func defineFuncMap() template.FuncMap {
fm := sprig.TxtFuncMap()
// sorts posts by date, newest posts go first
fm["sortPosts"] = func(posts []*post) []*post {
// sortPosts is most likely to be used in a pipeline, and the
// user has every right to expect it doesn't modify their
// existing posts slice
ps := make(postsSort, len(posts))
copy(ps, posts)
sort.Sort(ps)
return ps
}
return fm
}
var defaultSingleTemplate = mustParseTmpl("single", `# {{ .Metadata.PostTitle }}
{{ .Metadata.PostDate.Format "2006-01-02 15:04" }}
{{ printf "%s" .Post }}`)
var defaultIndexTemplate = mustParseTmpl("index", `# Site index
{{ with .Content }}{{ printf "%s" . -}}{{ end }}
{{ range $dir, $posts := .PostData }}Index of {{ $dir }}:
{{ range $p := $posts | sortPosts }}=> {{ $p.Link }} {{ $p.Metadata.PostDate.Format "2006-01-02 15:04" }} - {{ $p.Metadata.PostTitle }}
{{ end }}{{ end }}
`)