init

internal/http/render.go

@@ -0,0 +1,60 @@
+package http
+
+import (
+	"fmt"
+	"html/template"
+	"net/http"
+	"path/filepath"
+	"time"
+
+	"superbanka/internal/platform"
+)
+
+type ViewData struct {
+	Title     string
+	Page      string
+	CSRFToken string
+	Flash     string
+	Error     string
+	User      any
+	Admin     any
+	Data      any
+}
+
+type Renderer struct {
+	templates *template.Template
+}
+
+func NewRenderer() (*Renderer, error) {
+	funcs := template.FuncMap{
+		"money": platform.FormatCZK,
+		"dt": func(t time.Time) string {
+			if t.IsZero() {
+				return ""
+			}
+
+			return t.Format("02. 01. 2006 15:04")
+		},
+	}
+
+	templates, err := template.New("all").Funcs(funcs).ParseGlob(filepath.Join("web", "templates", "layouts", "*.gohtml"))
+	if err != nil {
+		return nil, fmt.Errorf("parse layout templates: %w", err)
+	}
+
+	templates, err = templates.ParseGlob(filepath.Join("web", "templates", "pages", "*.gohtml"))
+	if err != nil {
+		return nil, fmt.Errorf("parse page templates: %w", err)
+	}
+
+	return &Renderer{templates: templates}, nil
+}
+
+func (r *Renderer) HTML(w http.ResponseWriter, status int, data ViewData) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	w.WriteHeader(status)
+
+	if err := r.templates.ExecuteTemplate(w, "layouts/base", data); err != nil {
+		http.Error(w, fmt.Sprintf("render template: %v", err), http.StatusInternalServerError)
+	}
+}