Simple blogging system written in Go https://goblog.app
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

177 lines
4.1 KiB

package main
import (
"fmt"
"html/template"
"log"
"strings"
"time"
gogeouri "git.jlel.se/jlelse/go-geouri"
"github.com/PuerkitoBio/goquery"
"github.com/araddon/dateparse"
"gopkg.in/yaml.v3"
)
func (a *goBlog) fullPostURL(p *post) string {
return a.getFullAddress(p.Path)
}
func (a *goBlog) shortPostURL(p *post) string {
s, err := a.db.shortenPath(p.Path)
if err != nil {
return ""
}
if a.cfg.Server.ShortPublicAddress != "" {
return a.cfg.Server.ShortPublicAddress + s
}
return a.getFullAddress(s)
}
func postParameter(p *post, parameter string) []string {
return p.Parameters[parameter]
}
func postHasParameter(p *post, parameter string) bool {
return len(p.Parameters[parameter]) > 0
}
func (p *post) firstParameter(parameter string) (result string) {
if pp := p.Parameters[parameter]; len(pp) > 0 {
result = pp[0]
}
return
}
func firstPostParameter(p *post, parameter string) string {
return p.firstParameter(parameter)
}
func (a *goBlog) postHtml(p *post) template.HTML {
if p.rendered != "" {
return p.rendered
}
htmlContent, err := a.renderMarkdown(p.Content, false)
if err != nil {
log.Fatal(err)
return ""
}
p.rendered = template.HTML(htmlContent)
return p.rendered
}
func (a *goBlog) absolutePostHTML(p *post) template.HTML {
if p.absoluteRendered != "" {
return p.absoluteRendered
}
htmlContent, err := a.renderMarkdown(p.Content, true)
if err != nil {
log.Fatal(err)
return ""
}
p.absoluteRendered = template.HTML(htmlContent)
return p.absoluteRendered
}
const summaryDivider = "<!--more-->"
func (a *goBlog) postSummary(p *post) (summary string) {
summary = p.firstParameter("summary")
if summary != "" {
return
}
html := string(a.postHtml(p))
if splitted := strings.Split(html, summaryDivider); len(splitted) > 1 {
doc, _ := goquery.NewDocumentFromReader(strings.NewReader(splitted[0]))
summary = doc.Text()
} else {
doc, _ := goquery.NewDocumentFromReader(strings.NewReader(html))
summary = doc.Find("p").First().Text()
}
return
}
func (a *goBlog) postTranslations(p *post) []*post {
translationkey := p.firstParameter("translationkey")
if translationkey == "" {
return nil
}
posts, err := a.db.getPosts(&postsRequestConfig{
parameter: "translationkey",
parameterValue: translationkey,
})
if err != nil || len(posts) == 0 {
return nil
}
translations := []*post{}
for _, t := range posts {
if p.Path != t.Path {
translations = append(translations, t)
}
}
if len(translations) == 0 {
return nil
}
return translations
}
func (p *post) isPublishedSectionPost() bool {
return p.Published != "" && p.Section != "" && p.Status == statusPublished
}
func (a *goBlog) postToMfItem(p *post) *microformatItem {
params := p.Parameters
params["path"] = []string{p.Path}
params["section"] = []string{p.Section}
params["blog"] = []string{p.Blog}
params["published"] = []string{p.Published}
params["updated"] = []string{p.Updated}
params["status"] = []string{string(p.Status)}
pb, _ := yaml.Marshal(p.Parameters)
content := fmt.Sprintf("---\n%s---\n%s", string(pb), p.Content)
return &microformatItem{
Type: []string{"h-entry"},
Properties: &microformatProperties{
Name: p.Parameters["title"],
Published: []string{p.Published},
Updated: []string{p.Updated},
PostStatus: []string{string(p.Status)},
Category: p.Parameters[a.cfg.Micropub.CategoryParam],
Content: []string{content},
URL: []string{a.fullPostURL(p)},
InReplyTo: p.Parameters[a.cfg.Micropub.ReplyParam],
LikeOf: p.Parameters[a.cfg.Micropub.LikeParam],
BookmarkOf: p.Parameters[a.cfg.Micropub.BookmarkParam],
MpSlug: []string{p.Slug},
Audio: p.Parameters[a.cfg.Micropub.AudioParam],
// TODO: Photos
},
}
}
// Public because of rendering
func (p *post) Title() string {
return p.firstParameter("title")
}
func (p *post) GeoURI() *gogeouri.Geo {
loc := p.firstParameter("location")
if loc == "" {
return nil
}
g, _ := gogeouri.Parse(loc)
return g
}
func (p *post) Old() bool {
pub := p.Published
if pub == "" {
return false
}
pubDate, err := dateparse.ParseLocal(pub)
if err != nil {
return false
}
return pubDate.AddDate(1, 0, 0).Before(time.Now())
}