Web UI: setup wizard, auth pages, library browsing, player, admin, streaming, cover art

internal/web/render.go

@@ -0,0 +1,59 @@
+package web
+
+import (
+	"fmt"
+	"html/template"
+	"net/http"
+	"time"
+
+	"git.noroutes.net/NoRoutes/vibetunes/internal/database"
+	assets "git.noroutes.net/NoRoutes/vibetunes/web"
+)
+
+var funcMap = template.FuncMap{
+	"fmtDuration": func(seconds float64) string {
+		if seconds <= 0 {
+			return "-"
+		}
+		d := time.Duration(seconds) * time.Second
+		m := int(d.Minutes())
+		s := int(d.Seconds()) % 60
+		return fmt.Sprintf("%d:%02d", m, s)
+	},
+	"fmtTime": func(t time.Time) string {
+		if t.IsZero() {
+			return "-"
+		}
+		return t.Format("2006-01-02 15:04")
+	},
+	"add": func(a, b int) int { return a + b },
+	"sub": func(a, b int) int { return a - b },
+}
+
+var templates *template.Template
+
+func init() {
+	t, err := template.New("").Funcs(funcMap).ParseFS(assets.FS, "templates/*.html", "templates/partials/*.html")
+	if err != nil {
+		panic(err)
+	}
+	templates = t
+}
+
+// PageData is the common envelope passed to every page template.
+type PageData struct {
+	Active    string // nav item key for sidebar highlighting
+	Title     string
+	User      *database.User
+	CSRFToken string
+	Flash     string
+	FlashKind string // success|danger|warning
+	Data      any
+}
+
+func render(w http.ResponseWriter, name string, data PageData) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := templates.ExecuteTemplate(w, name, data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}