1package handler
 2
 3import (
 4	"io"
 5	"log/slog"
 6	"net/http"
 7	"os"
 8
 9	"github.com/gomarkdown/markdown"
10	"github.com/gomarkdown/markdown/html"
11	"github.com/gomarkdown/markdown/parser"
12
13	"git.gabrielgio.me/cerrado/templates"
14)
15
16type AboutHandler struct {
17	readmePath string
18}
19
20func NewAboutHandler(readmePath string) *AboutHandler {
21	return &AboutHandler{readmePath}
22}
23
24func (g *AboutHandler) About(w http.ResponseWriter, _ *http.Request) {
25	f, err := os.Open(g.readmePath)
26	if err != nil {
27		slog.Error("Error loading readme file", "error", err)
28		return
29	}
30
31	bs, err := io.ReadAll(f)
32	if err != nil {
33		slog.Error("Error reading readme file bytes", "error", err)
34		return
35	}
36
37	extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock
38	p := parser.NewWithExtensions(extensions)
39	doc := p.Parse(bs)
40
41	htmlFlags := html.CommonFlags | html.HrefTargetBlank
42	opts := html.RendererOptions{Flags: htmlFlags}
43	renderer := html.NewRenderer(opts)
44
45	bs = markdown.Render(doc, renderer)
46
47	gitList := &templates.HelloPage{
48		Body: bs,
49	}
50	templates.WritePageTemplate(w, gitList)
51}