No One Can Stop Me Now

services/setec-manager/internal/server/templates.go

@@ -0,0 +1,93 @@
+package server
+
+import (
+	"html/template"
+	"io"
+	"log"
+	"net/http"
+	"sync"
+
+	"setec-manager/web"
+)
+
+var (
+	tmplOnce sync.Once
+	tmpl     *template.Template
+)
+
+func (s *Server) getTemplates() *template.Template {
+	tmplOnce.Do(func() {
+		funcMap := template.FuncMap{
+			"eq":      func(a, b interface{}) bool { return a == b },
+			"ne":      func(a, b interface{}) bool { return a != b },
+			"default": func(val, def interface{}) interface{} {
+				if val == nil || val == "" || val == 0 || val == false {
+					return def
+				}
+				return val
+			},
+		}
+
+		var err error
+		tmpl, err = template.New("").Funcs(funcMap).ParseFS(web.TemplateFS, "templates/*.html")
+		if err != nil {
+			log.Fatalf("Failed to parse templates: %v", err)
+		}
+	})
+	return tmpl
+}
+
+type templateData struct {
+	Title   string
+	Claims  *Claims
+	Data    interface{}
+	Flash   string
+	Config  interface{}
+}
+
+func (s *Server) renderTemplate(w http.ResponseWriter, name string, data interface{}) {
+	td := templateData{
+		Data:   data,
+		Config: s.Config,
+	}
+
+	t := s.getTemplates().Lookup(name)
+	if t == nil {
+		http.Error(w, "Template not found: "+name, http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := t.Execute(w, td); err != nil {
+		log.Printf("Template render error (%s): %v", name, err)
+	}
+}
+
+func (s *Server) renderTemplateWithClaims(w http.ResponseWriter, r *http.Request, name string, data interface{}) {
+	td := templateData{
+		Claims: getClaimsFromContext(r.Context()),
+		Data:   data,
+		Config: s.Config,
+	}
+
+	t := s.getTemplates().Lookup(name)
+	if t == nil {
+		http.Error(w, "Template not found: "+name, http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := t.Execute(w, td); err != nil {
+		log.Printf("Template render error (%s): %v", name, err)
+	}
+}
+
+// renderError sends an error response - HTML for browsers, JSON for API calls.
+func (s *Server) renderError(w http.ResponseWriter, r *http.Request, status int, message string) {
+	if acceptsHTML(r) {
+		w.WriteHeader(status)
+		io.WriteString(w, message)
+		return
+	}
+	writeJSON(w, status, map[string]string{"error": message})
+}