Editor to gemtext half way

database/post.go

@@ -3,9 +3,8 @@ package database
 import (
 	"database/sql"
 	"fmt"
+	"strings"
 	"time"
-
-	"github.com/russross/blackfriday/v2"
 )
 
 type Post struct {
@@ -25,10 +24,49 @@ func (p *Post) GemtextPage() string {
 }
 
 func (p *Post) HTMLPage() string {
-	extensions := blackfriday.CommonExtensions | blackfriday.HardLineBreak
-	result := fmt.Sprintf("<h1>%s</h1>\n%s", p.Title, blackfriday.Run([]byte(p.MarkdownContent), blackfriday.WithExtensions(extensions)))
-	result += fmt.Sprintf("%s", p.Date)
-	return result
+	var content string
+	if p.GemtextContent.Valid {
+		content = p.GemtextContent.String
+		if strings.HasPrefix(content, "{") {
+			content = strings.TrimPrefix(content, "{")
+		}
+		if strings.HasSuffix(content, "true}") {
+			content = strings.TrimSuffix(content, "true}")
+		}
+	} else {
+		content = ""
+	}
+
+	lines := strings.Split(content, "\n")
+	var htmlLines []string
+
+	for _, line := range lines {
+		if strings.HasPrefix(line, "#") {
+			htmlLines = append(htmlLines, "<h1>"+line[1:]+"</h1>")
+		} else if strings.HasPrefix(line, "##") {
+			htmlLines = append(htmlLines, "<h2>"+line[2:]+"</h2>")
+		} else if strings.HasPrefix(line, "###") {
+			htmlLines = append(htmlLines, "<h3>"+line[3:]+"</h3>")
+		} else if strings.HasPrefix(line, "* ") {
+			htmlLines = append(htmlLines, "<ul><li>"+line[2:]+"</li></ul>")
+		} else if strings.HasPrefix(line, ">") {
+			htmlLines = append(htmlLines, "<blockquote>"+line[1:]+"</blockquote>")
+		} else if strings.HasPrefix(line, "=>") {
+			parts := strings.Fields(line[2:])
+			if len(parts) > 1 {
+				url := parts[0]
+				text := strings.Join(parts[1:], " ")
+				htmlLines = append(htmlLines, fmt.Sprintf(`<a href="%s.html">%s</a>`, url, text))
+			} else if len(parts) == 1 {
+				url := parts[0]
+				htmlLines = append(htmlLines, fmt.Sprintf(`<a href="%s.html">%s</a>`, url, url))
+			}
+		} else {
+			htmlLines = append(htmlLines, "<p>"+line+"</p>")
+		}
+	}
+
+	return strings.Join(htmlLines, "\n")
 }
 
 func GetPost(id int) (*Post, error) {