1 files changed, 43 insertions, 0 deletions
diff --git a/apps/admin/lib/myChangeNicknameValidator.php b/apps/admin/lib/myChangeNicknameValidator.php
new file mode 100644
index 0000000..e8dfdb1
--- /dev/null
+++ b/apps/admin/lib/myChangeNicknameValidator.php
@@ -0,0 +1,43 @@
+<?php
+
+class myChangeNicknameValidator extends sfValidator
+{
+	public function initialize($context, $parameters = null)
+	{
+		// initialize parent
+		parent::initialize($context);
+
+		// set defaults
+		$this->setParameter('change_error', 'Invalid input');
+
+		$this->getParameterHolder()->add($parameters);
+
+		return true;
+	}
+
+	public function execute(&$value, &$error)
+	{
+		$current_nickname = $this->getContext()->getUser()->getNickname();
+
+		$new_nickname = $value;
+
+		// changed the nickname?
+		if($new_nickname == $current_nickname)
+			return true;
+
+		$c = new Criteria();
+		$c->add(UserPeer::NICKNAME, $new_nickname);
+		$user = UserPeer::doSelectOne($c);
+
+		// nickname exists?
+		if($user)
+		{
+			$error = $this->getParameter('change_error');
+			return false;
+		}
+
+		return true;
+	}
+}
+
+?>