add menu builder

Author: ZAYEC77

src/components/admin/MenuBuilder.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * @author    Dmytro Karpovych
+ * @copyright 2018 NRE
+ */
+
+namespace nullref\core\components;
+
+
+use nullref\core\interfaces\IMenuBuilder;
+
+abstract class MenuBuilder implements IMenuBuilder
+{
+    /**
+     * Filter menu items by specified roles
+     *
+     * @param $menu
+     * @param $role
+     * @param string $paramName
+     * @return array
+     */
+    public function filterByRole($menu, $role, $paramName = 'roles')
+    {
+        if ($role === null) {
+            return [];
+        }
+        $result = [];
+        foreach ($menu as $key => $item) {
+            if (isset($item[$paramName])) {
+                if (is_array($role) && count(array_intersect($role, $item[$paramName]))
+                    || in_array($role, $item[$paramName])) {
+                    if (isset($item['items'])) {
+                        $result[$key] = $item;
+                        $result[$key]['items'] = $this->filterByRole($result[$key]['items'], $role, $paramName);
+                    } else {
+                        $result[$key] = $item;
+                    }
+                }
+            } else {
+                $result[$key] = $item;
+            }
+        }
+        return $result;
+    }
+}

src/interfaces/IMenuBuilder.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * @author    Dmytro Karpovych
+ * @copyright 2018 NRE
+ */
+
+namespace nullref\core\interfaces;
+
+
+interface IMenuBuilder
+{
+    /**
+     * @param array $items
+     * @return array
+     */
+    public function build($items);
+}