Files
zeitkort-web-golang/templates.go
T
2026-06-18 21:41:47 +01:00

67 lines
1.7 KiB
Go

package main
import (
"embed"
"html/template"
"io/fs"
"net/http"
"time"
)
//go:embed templates/*.html
var templateFS embed.FS
//go:embed static
var staticFS embed.FS
// staticHandler serves the embedded static/ directory at /static/.
func staticHandler() http.Handler {
sub, err := fs.Sub(staticFS, "static")
if err != nil {
panic(err)
}
return http.StripPrefix("/static/", http.FileServer(http.FS(sub)))
}
var tmpl *template.Template
var funcMap = template.FuncMap{
"money": func(v float64) string { return fmtNum(v) },
"hours": func(minutes float64) string { return fmtNum(minutes / 60.0) },
"datef": func(t time.Time) string { return t.Format("02 Jan") },
"hm": func(t time.Time) string { return t.Format("15:04") },
"hmp": func(t *time.Time) string {
if t == nil {
return ""
}
return t.Format("15:04")
},
"timef": func(t *time.Time) string {
if t == nil {
return "running…"
}
return t.Format("15:04")
},
"dateInput": func(t time.Time) string { return t.Format("02-01-2006") },
"today": func() string { return time.Now().Format("02-01-2006") },
"rfc3339": func(t time.Time) string { return t.Format(time.RFC3339) },
}
func parseTemplates() error {
t, err := template.New("").Funcs(funcMap).ParseFS(templateFS, "templates/*.html")
if err != nil {
return err
}
tmpl = t
return nil
}
// render executes a named template and writes any error to the log/response.
func (s *Server) render(w http.ResponseWriter, name string, data any) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if err := tmpl.ExecuteTemplate(w, name, data); err != nil {
s.errl.Printf("render %s: %v", name, err)
http.Error(w, "template error", http.StatusInternalServerError)
}
}