re #25 allow rules edition + assignment

src/User/Service/AuthItemEditionService.php

@@ -46,11 +46,9 @@ class AuthItemEditionService implements ServiceInterface
             $item->description = $this->model->description;
 
             if (!empty($this->model->rule)) {
-                $rule = $this->make($this->model->rule);
-                if (null === $this->getAuthManager()->getRule($rule->name)) {
-                    $this->getAuthManager()->add($rule);
+                if (null !== $this->getAuthManager()->getRule($this->model->rule)) {
+                    $item->ruleName = $this->model->rule;
                 }
-                $item->ruleName = $rule->name;
             } else {
                 $item->ruleName = null;
             }

src/User/Service/AuthRuleEditionService.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of the 2amigos/yii2-usuario project.
+ *
+ * (c) 2amigOS! <http://2amigos.us/>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Da\User\Service;
+
+use Da\User\Contracts\ServiceInterface;
+use Da\User\Model\Rule;
+use Da\User\Traits\AuthManagerAwareTrait;
+use Da\User\Traits\ContainerAwareTrait;
+use Exception;
+
+class AuthRuleEditionService implements ServiceInterface
+{
+    use AuthManagerAwareTrait;
+    use ContainerAwareTrait;
+
+    protected $model;
+
+    public function __construct(Rule $model)
+    {
+        $this->model = $model;
+    }
+
+    public function run()
+    {
+        if (!$this->model->validate() || (!in_array($this->model->scenario, ['create', 'update']))) {
+            return false;
+        }
+
+        $rule = $this->make($this->model->className, [], ['name' => $this->model->name]);
+
+        try {
+            if ($this->model->scenario == 'create') {
+                $this->getAuthManager()->add($rule);
+            } else {
+                $this->getAuthManager()->update($this->model->previousName, $rule);
+            }
+            $this->getAuthManager()->invalidateCache();
+        } catch (Exception $e) {
+            return false;
+        }
+
+        return true;
+    }
+}