first upload all files

Modules/Menu/MegaMenu/SubMenu.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Modules\Menu\MegaMenu;
+
+use Modules\Category\Entities\Category;
+
+class SubMenu
+{
+    private $subMenu;
+    private $subMenuItems;
+
+    public function __construct($subMenu)
+    {
+        $this->subMenu = $subMenu;
+    }
+
+    public function url()
+    {
+        return $this->subMenu->url();
+    }
+
+    public function target()
+    {
+        if ($this->subMenu instanceof Category) {
+            return '_self';
+        }
+
+        return $this->subMenu->target;
+    }
+
+    public function name()
+    {
+        return $this->subMenu->name;
+    }
+
+    public function hasItems()
+    {
+        return $this->items()->isNotEmpty();
+    }
+
+    public function items()
+    {
+        if (! is_null($this->subMenuItems)) {
+            return $this->subMenuItems;
+        }
+
+        return $this->subMenuItems = $this->subMenu->items->map(function ($item) {
+            return new SubMenu($item);
+        });
+    }
+}