func serveAssets(w http.ResponseWriter, r *http.Request) (int, error) {
filename := strings.Replace(r.URL.Path, "/admin/", "", 1)
file, err := assets.Asset(filename)
if err != nil {
return 404, nil
}
// Get the file extension ant its mime type
extension := filepath.Ext(filename)
mime := mime.TypeByExtension(extension)
// Write the header with the Content-Type and write the file
// content to the buffer
w.Header().Set("Content-Type", mime)
w.Write(file)
return 200, nil
}
// GetTemplate is used to get a ready to use template based on the url and on
// other sent templates
func GetTemplate(r *http.Request, functions template.FuncMap, templates ...string) (*template.Template, error) {
// If this is a pjax request, use the minimal template to send only
// the main content
if r.Header.Get("X-PJAX") == "true" {
templates = append(templates, "base_minimal")
} else {
templates = append(templates, "base_full")
}
var tpl *template.Template
// For each template, add it to the the tpl variable
for i, t := range templates {
// Get the template from the assets
page, err := assets.Asset("templates/" + t + ".tmpl")
// Check if there is some error. If so, the template doesn't exist
if err != nil {
log.Print(err)
return new(template.Template), err
}
// If it's the first iteration, creates a new template and add the
// functions map
if i == 0 {
tpl, err = template.New(t).Funcs(functions).Parse(string(page))
} else {
tpl, err = tpl.Parse(string(page))
}
if err != nil {
log.Print(err)
return new(template.Template), err
}
}
return tpl, nil
}