🏷️ Added Languages property for Site and methods depends of it

internal/domain/site.go

@@ -2,11 +2,13 @@ package domain
 
 import (
 	"net/url"
+	"path"
 	"time"
 )
 
 type Site struct {
 	Language  Language
+	Languages []Language
 	BaseURL   *url.URL
 	Params    map[string]any
 	TimeZone  *time.Location
@@ -14,3 +16,15 @@ type Site struct {
 	Title     string
 	Resources Resources
 }
+
+func (s Site) LanguagePrefix() string {
+	if s.Language != LanguageUnd {
+		return path.Join("/", s.Language.lang, "/")
+	}
+
+	return ""
+}
+
+func (s Site) IsMultiLingual() bool {
+	return 1 < len(s.Languages)
+}