Refactored `yii\rbac\PhpManager`

framework/CHANGELOG.md

@@ -7,7 +7,7 @@ Yii Framework 2 Change Log
 - Bug #3091: Fixed inconsistent treatment of `Widget::run()` when a widget is used as a container and as a self-contained object (qiangxue)
 - Enh #3103: debugger panel is now not displayed when printing a page (githubjeka)
 - Enh #3108: Added `yii\debug\Module::enableDebugLogs` to disable logging debug logs by default (qiangxue)
-- no changes in this release.
+- Chg: Replaced `clearAll()` and `clearAllAssignments()` in `yii\rbac\ManagerInterface` with `removeAll()`, `removeAllRoles()`, `removeAllPermissions()`, `removeAllRules()` and `removeAllAssignments()` (qiangxue)
 
 
 2.0.0-beta April 13, 2014

framework/UPGRADE.md

@@ -7,3 +7,10 @@ The following upgrading instructions are cumulative. That is,
 if you want to upgrade from version A to version C and there is
 version B between A and C, you need to following the instructions
 for both A and B.
+
+
+Upgrade from Yii 2.0 Beta
+-------------------------
+
+* If you used `clearAll()` or `clearAllAssignments()` of `yii\rbac\DbManager`, you should replace
+  them with `removeAll()` and `removeAllAssignments()` respectively.

framework/rbac/DbManager.php

@@ -551,6 +551,17 @@ class DbManager extends BaseManager
     /**
      * @inheritdoc
      */
+    public function hasChild($parent, $child)
+    {
+        return (new Query)
+            ->from($this->itemChildTable)
+            ->where(['parent' => $parent->name, 'child' => $child->$name])
+            ->one($this->db) !== false;
+    }
+
+    /**
+     * @inheritdoc
+     */
     public function getChildren($name)
     {
         $query = (new Query)
@@ -627,20 +638,78 @@ class DbManager extends BaseManager
     }
 
     /**
-     * Removes all authorization data.
+     * @inheritdoc
      */
-    public function clearAll()
+    public function removeAll()
     {
-        $this->clearAssignments();
+        $this->removeAllAssignments();
         $this->db->createCommand()->delete($this->itemChildTable)->execute();
         $this->db->createCommand()->delete($this->itemTable)->execute();
         $this->db->createCommand()->delete($this->ruleTable)->execute();
     }
 
     /**
-     * Removes all authorization assignments.
+     * @inheritdoc
+     */
+    public function removeAllPermissions()
+    {
+        $this->removeAllItems(Item::TYPE_PERMISSION);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function removeAllRoles()
+    {
+        $this->removeAllItems(Item::TYPE_ROLE);
+    }
+
+    /**
+     * Removes all auth items of the specified type.
+     * @param integer $type the auth item type (either Item::TYPE_PERMISSION or Item::TYPE_ROLE)
+     */
+    protected function removeAllItems($type)
+    {
+        if (!$this->supportsCascadeUpdate()) {
+            $names = (new Query)
+                ->select(['name'])
+                ->from($this->itemTable)
+                ->where(['type' => $type])
+                ->column($this->db);
+            if (empty($names)) {
+                return;
+            }
+            $key = $type == Item::TYPE_PERMISSION ? 'child' : 'parent';
+            $this->db->createCommand()
+                ->delete($this->itemChildTable, [$key => $names])
+                ->execute();
+            $this->db->createCommand()
+                ->delete($this->assignmentTable, ['item_name' => $names])
+                ->execute();
+        }
+        $this->db->createCommand()
+            ->delete($this->itemTable, ['type' => $type])
+            ->execute();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function removeAllRules()
+    {
+        if (!$this->supportsCascadeUpdate()) {
+            $this->db->createCommand()
+                ->update($this->itemTable, ['ruleName' => null])
+                ->execute();
+        }
+
+        $this->db->createCommand()->delete($this->ruleTable)->execute();
+    }
+
+    /**
+     * @inheritdoc
      */
-    public function clearAssignments()
+    public function removeAllAssignments()
     {
         $this->db->createCommand()->delete($this->assignmentTable)->execute();
     }

framework/rbac/ManagerInterface.php

@@ -146,6 +146,14 @@ interface ManagerInterface
     public function removeChild($parent, $child);
 
     /**
+     * Returns a value indicating whether the child already exists for the parent.
+     * @param Item $parent
+     * @param Item $child
+     * @return boolean whether `$child` is already a child of `$parent`
+     */
+    public function hasChild($parent, $child);
+
+    /**
      * Returns the child permissions and/or roles.
      * @param string $name the parent name
      * @return Item[] the child permissions and/or roles
@@ -198,12 +206,30 @@ interface ManagerInterface
     public function getAssignments($userId);
 
     /**
-     * Removes all authorization data.
+     * Removes all authorization data, including roles, permissions, rules, and assignments.
+     */
+    public function removeAll();
+
+    /**
+     * Removes all permissions.
+     * All parent child relations will be adjusted accordingly.
+     */
+    public function removeAllPermissions();
+
+    /**
+     * Removes all roles.
+     * All parent child relations will be adjusted accordingly.
+     */
+    public function removeAllRoles();
+
+    /**
+     * Removes all rules.
+     * All roles and permissions which have rules will be adjusted accordingly.
      */
-    public function clearAll();
+    public function removeAllRules();
 
     /**
-     * Removes all authorization assignments.
+     * Removes all role assignments.
      */
-    public function clearAssignments();
+    public function removeAllAssignments();
 }