zz

blog.go

@@ -1,8 +1,13 @@
 package main
 
 import (
+	"fmt"
 	"html/template"
+	"log"
+	"strings"
 	"sync"
+
+	"github.com/PuerkitoBio/goquery"
 )
 
 type Post struct {
@@ -13,6 +18,7 @@ type Post struct {
 	Author    string
 	Date      string
 	HTML      template.HTML
+	ShortText string
 	Text      string
 }
 
@@ -37,3 +43,67 @@ func (b *Blog) GetPost(Id string) (Post, bool) {
 	}
 	return ret, false
 }
+func (p *Post) GenerateExcerpt() {
+	fmt.Println("----", p.Title)
+	if len(p.HTML) > 0 {
+		fmt.Println("Short text is html", p.HTML)
+		heading, err := p.GetFirstHeading(string(p.HTML))
+		if err != nil {
+			log.Println(err)
+		}
+		paragraph, err := p.GetFirstParagraph(string(p.HTML))
+		if err != nil {
+			log.Println(err)
+		}
+		if len(heading) > 0 {
+			log.Println("heading is:", heading)
+			p.ShortText += heading
+		}
+		if len(paragraph) > 0 {
+			log.Println("paragraph is:", paragraph)
+			p.ShortText += paragraph
+		}
+	} else {
+		fmt.Println("Short text is text", p.Text)
+		p.ShortText = p.Text
+	}
+
+}
+func (p *Post) GetFirstHeading(html string) (string, error) {
+	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))
+	if err != nil {
+		return "", err
+	}
+
+	// Chercher le premier titre (h1, h2, h3, h4, h5, h6)
+	firstHeading := doc.Find("h1, h2, h3, h4, h5, h6").First()
+	if firstHeading.Length() == 0 {
+		return "", fmt.Errorf("no heading found")
+	}
+
+	htmlContent, err := goquery.OuterHtml(firstHeading)
+	if err != nil {
+		return "", err
+	}
+
+	return htmlContent, nil
+}
+func (p *Post) GetFirstParagraph(html string) (string, error) {
+
+	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))
+	if err != nil {
+		return "", err
+	}
+
+	firstParagraph := doc.Find("p").First()
+	if firstParagraph.Length() == 0 {
+		return "", fmt.Errorf("no paragraph found")
+	}
+
+	htmlContent, err := goquery.OuterHtml(firstParagraph)
+	if err != nil {
+		return "", err
+	}
+
+	return htmlContent, nil
+}