menu and menu item categories

app/views/api/restaurant/menu/_menu.json.jbuilder

@@ -0,0 +1,20 @@
+json.id menu.id
+json.name menu.name
+json.is_active menu.is_active
+json.valid_time_from menu.valid_time_from.strftime("%H:%M")
+json.valid_time_to menu.valid_time_to.strftime("%H:%M")
+
+if (menu.menu_categories)
+  json.menu_categories  menu.menu_categories do |category|
+    json.id category.id
+    json.name category.name
+    json.alt_name category.alt_name
+
+    if category.menu_items
+      json.menu_items category.menu_items do |item|
+        json.partial! 'api/restaurant/menu/menu_item', item: item
+      end
+    end
+  end
+
+end