diff --git a/lib/Doctrine/Entities/User.php b/lib/Doctrine/Entities/User.php
index bcd95b2cc1..24ab40e56a 100644
--- a/lib/Doctrine/Entities/User.php
+++ b/lib/Doctrine/Entities/User.php
@@ -218,6 +218,11 @@ class User
      */
     private $updated;
 
+    /**
+     * @var \ACL
+     */
+    private $acl;
+
     /**
      * @return integer
      */
@@ -792,4 +797,54 @@ class User
 
         $this->updated = $updated;
     }
+
+    /**
+     * @param Application $app
+     *
+     * @return \ACL
+     */
+    public function ACL(Application $app)
+    {
+        if (!$this->acl instanceof \ACL) {
+            $this->acl = new \ACL($this, $app);
+        }
+
+        return $this->acl;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function isTemplate()
+    {
+        return null !== $this->modelOf;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function isSpecial()
+    {
+        return in_array($this->login, array('invite', 'autoregister'));
+    }
+
+    /**
+     * @return string
+     */
+    public function getDisplayName()
+    {
+        if ($this->isTemplate()) {
+            return sprintf(_('modele %s'), $this->getLogin());
+        }
+
+        if (trim($this->lastName) !== '' || trim($this->firstName) !== '') {
+           return $this->firstName . ('' !== $this->firstName && '' !== $this->lastName ? ' ' : '') . $this->lastName;
+        }
+
+        if (trim($this->email) !== '') {
+            return $this->email;
+        }
+
+        return _('Unnamed user');
+    }
 }
diff --git a/tests/Doctrine/Tests/Entities/UserTest.php b/tests/Doctrine/Tests/Entities/UserTest.php
index f71d356da3..1016453696 100644
--- a/tests/Doctrine/Tests/Entities/UserTest.php
+++ b/tests/Doctrine/Tests/Entities/UserTest.php
@@ -81,6 +81,42 @@ class UserTest extends \PHPUnit_Framework_TestCase
         $this->user->setGeonameId(-1);
     }
 
+    public function testGetDisplayName()
+    {
+        $this->user->setLogin('login');
+        $this->user->setFirstName('firstname');
+        $this->user->setLastName('lastname');
+        $this->user->setEmail('email@email.com');
+        $this->assertEquals($this->user->getDisplayName(), 'firstname lastname');
+        $this->user->setLastName('');
+        $this->assertEquals($this->user->getDisplayName(), 'firstname');
+        $this->user->setFirstName('');
+        $this->assertEquals($this->user->getDisplayName(), 'email@email.com');
+        $this->user->setEmail(null);
+        $this->assertEquals($this->user->getDisplayName(), 'Unnamed user');
+        $this->user->setLastName('lastname');
+        $this->assertEquals($this->user->getDisplayName(), 'lastname');
+    }
+
+    public function testIsTemplate()
+    {
+        $this->assertFalse($this->user->isTemplate());
+        $this->user->setModelOf(1);
+        $this->assertTrue($this->user->isTemplate());
+    }
+
+    public function testIsSpecial()
+    {
+        $this->user->setLogin('login');
+        $this->assertFalse($this->user->isSpecial());
+        $this->user->setLogin('invite');
+        $this->assertTrue($this->user->isSpecial());
+        $this->user->setLogin('login');
+        $this->assertFalse($this->user->isSpecial());
+        $this->user->setLogin('autoregister');
+        $this->assertTrue($this->user->isSpecial());
+    }
+
     public function genderProvider()
     {
         return array(