<?php
	/**
	 * Action for saving a new email address for a user and triggering a confirmation.
	 * 
	 * @package Elgg
	 * @subpackage Core
	 * @author Curverider Ltd
	 * @link http://elgg.org/
	 */

	require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
	global $CONFIG;

	gatekeeper();
	
	$email = get_input('email');
	$user_id = get_input('guid');
	$user = "";
	
	if (!$user_id)
		$user = $_SESSION['user'];
	else
		$user = get_entity($user_id);
		
	if ($user) 
	{
		if (strcmp($email,$user->email)!=0)
		{
	
			if (!get_user_by_email($email))
			{
			
				if ($user->email != $email) {
					$user->email = $email;
					if ($user->save())
					{
						request_user_validation($user->getGUID());
						system_message(elgg_echo('email:save:success'));
					}
					else
						register_error(elgg_echo('email:save:fail'));
				}
			}
			else
				register_error(elgg_echo('registration:dupeemail'));
		}
	}
	else
		register_error(elgg_echo('email:save:fail'));
	
	//forward($_SERVER['HTTP_REFERER']);
	//exit;
?>