Function listDir

middleware/static.go:323–356

(t *template.Template, pathInFs string, filesystem fs.FS, res http.ResponseWriter)

}

func listDir(t *template.Template, pathInFs string, filesystem fs.FS, res http.ResponseWriter) error {
	files, err := fs.ReadDir(filesystem, pathInFs)
	if err != nil {
		return fmt.Errorf("static middleware failed to read directory for listing: %w", err)
	}

	// Create directory index
	res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
	data := struct {
		Name  string
		Files []any
	}{
		Name: pathInFs,
	}

	for _, f := range files {
		var size int64
		if !f.IsDir() {
			info, err := f.Info()
			if err != nil {
				return fmt.Errorf("static middleware failed to get file info for listing: %w", err)
			}
			size = info.Size()
		}

		data.Files = append(data.Files, struct {
			Name string
			Dir  bool
			Size string
		}{f.Name(), f.IsDir(), format(size)})
	}

	return t.Execute(res, data)
}

// format formats bytes integer to human readable string.
// For example, 31323 bytes will return 30.59KB.