103 lines
2.0 KiB
Go
103 lines
2.0 KiB
Go
package owl
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import (
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"bytes"
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"io/ioutil"
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"path"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/parser"
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"gopkg.in/yaml.v2"
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)
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type Post struct {
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user *User
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id string
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title string
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}
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type PostMeta struct {
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Title string `yaml:"title"`
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Aliases []string `yaml:"aliases"`
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Date string `yaml:"date"`
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}
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func (post Post) Id() string {
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return post.id
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}
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func (post Post) Dir() string {
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return path.Join(post.user.Dir(), "public", post.id)
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}
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func (post Post) MediaDir() string {
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return path.Join(post.Dir(), "media")
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}
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func (post Post) UrlPath() string {
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return post.user.UrlPath() + "posts/" + post.id + "/"
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}
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func (post Post) FullUrl() string {
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return post.user.FullUrl() + "posts/" + post.id + "/"
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}
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func (post Post) UrlMediaPath(filename string) string {
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return post.UrlPath() + "media/" + filename
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}
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func (post Post) Title() string {
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return post.title
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}
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func (post Post) ContentFile() string {
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return path.Join(post.Dir(), "index.md")
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}
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func (post Post) Content() []byte {
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// read file
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data, _ := ioutil.ReadFile(post.ContentFile())
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return data
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}
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func (post Post) MarkdownData() (bytes.Buffer, PostMeta) {
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data := post.Content()
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// get yaml metadata block
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meta := PostMeta{}
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trimmedData := bytes.TrimSpace(data)
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// check first line is ---
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if string(trimmedData[0:4]) == "---\n" {
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trimmedData = trimmedData[4:]
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// find --- end
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end := bytes.Index(trimmedData, []byte("\n---\n"))
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if end != -1 {
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metaData := trimmedData[:end]
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yaml.Unmarshal(metaData, &meta)
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data = trimmedData[end+5:]
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}
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}
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markdown := goldmark.New(
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goldmark.WithExtensions(
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// meta.Meta,
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extension.GFM,
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),
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)
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var buf bytes.Buffer
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context := parser.NewContext()
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if err := markdown.Convert(data, &buf, parser.WithContext(context)); err != nil {
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panic(err)
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}
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// metaData := meta.Get(context)
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return buf, meta
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}
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func (post Post) Aliases() []string {
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_, metaData := post.MarkdownData()
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return metaData.Aliases
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}
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