htmlfragments.go RawHistoryFolder

1package htmx
2
3import (
4	"bytes"
5	"fmt"
6
7	"github.com/PuerkitoBio/goquery"
8	"github.com/bnema/gordon/internal/server"
9	"github.com/bnema/gordon/internal/templating/render"
10)
11
12// GetHTMLFragmentByID returns the HTML fragment with the specified id
13func GetHTMLFragmentByID(id string, data interface{}, a *server.App) (string, error) {
14	// 1. Render the template
15	renderer, err := render.GetHTMLRenderer("html/fragments", "components.gohtml", a.TemplateFS, a)
16	if err != nil {
17		return "", fmt.Errorf("failed to get renderer: %w", err)
18	}
19
20	renderedHTML, err := renderer.Render(data, a)
21	if err != nil {
22		return "", fmt.Errorf("failed to render template: %w", err)
23	}
24
25	// 2. Parse the rendered HTML with goquery
26	doc, err := goquery.NewDocumentFromReader(bytes.NewReader([]byte(renderedHTML)))
27	if err != nil {
28		return "", fmt.Errorf("failed to parse rendered HTML: %w", err)
29	}
30
31	// 3. Find the div with the specified id
32	fragmentContent, err := doc.Find("#" + id).Html()
33	if err != nil {
34		return "", fmt.Errorf("failed to find fragment with id %s: %w", id, err)
35	}
36
37	if fragmentContent == "" {
38		return "", fmt.Errorf("failed to find fragment with id %s: %w", id, err)
39	}
40
41	return fragmentContent, nil
42}