added RBAC

lib/User/Factory/AuthItemFactory.php

@@ -0,0 +1,50 @@
+<?php
+namespace Da\User\Factory;
+
+use Yii;
+use yii\rbac\Item;
+use Exception;
+
+class AuthItemFactory
+{
+    protected static $map = [
+        Item::TYPE_ROLE => 'makeRole',
+        Item::TYPE_PERMISSION => 'makePermission'
+    ];
+
+    /**
+     * @param $name
+     *
+     * @return \yii\rbac\Permission
+     */
+    public static function makePermission($name)
+    {
+        return Yii::$app->getAuthManager()->createPermission($name);
+    }
+
+    /**
+     * @param $name
+     *
+     * @return \yii\rbac\Role
+     */
+    public static function makeRole($name)
+    {
+        return Yii::$app->getAuthManager()->createRole($name);
+    }
+
+    /**
+     * @param $type
+     * @param $name
+     *
+     * @return \yii\rbac\Role|\yii\rbac\Permission
+     * @throws Exception
+     */
+    public static function makeByType($type, $name)
+    {
+        if (array_key_exists($type, self::$map)) {
+            return call_user_func([self::class, self::$map[$type]], $name);
+        }
+
+        throw new Exception('Unknown strategy type');
+    }
+}