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dwelling-home/web/articles.go

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package web
import (
"embed"
"sort"
"strings"
"time"
"git.arav.su/Arav/dwelling-home/pkg/article"
"github.com/gomarkdown/markdown"
)
const (
articleFileExtension = ".md"
articleMetaExtension = ".meta"
)
//go:embed articles
var articlesFS embed.FS
var articles map[string]*article.Article = make(map[string]*article.Article)
// ArticleMetadata holds date, title and URL of an article used in articles list
// on the Stuff page.
type ArticleMetadata struct {
ID int64
Date time.Time
Title string
URL string
}
// GetArticleMetadata returns a slice of metadata that is sorted by ID
func GetArticleMetadata() (meta []ArticleMetadata) {
for urlid, article := range articles {
meta = append(meta,
ArticleMetadata{
ID: article.ID,
Date: article.Date,
Title: article.Title,
URL: "stuff/article/" + urlid})
}
sort.Slice(meta, func(i, j int) bool {
return meta[i].ID > meta[j].ID
})
return
}
func GetArticle(name string) (*article.Article, error) {
if artcl, ok := articles[name]; ok {
return artcl, nil
}
meta, err := articlesFS.ReadFile("articles/" + name + articleMetaExtension)
if err != nil {
return nil, err
}
md, err := articlesFS.ReadFile("articles/" + name + articleFileExtension)
if err != nil {
return nil, err
}
articles[name], err = article.New(markdown.ToHTML(md, nil, nil), meta)
return articles[name], err
}
func init() {
entries, _ := articlesFS.ReadDir("articles")
for _, entry := range entries {
if strings.HasSuffix(entry.Name(), articleFileExtension) {
GetArticle(strings.TrimSuffix(entry.Name(), articleFileExtension))
}
}
}