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path: root/mod/groups/actions/addtogroup.php
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<?php

	/**
	 * Add a user to a group
	 * 
	 * @package ElggGroups
	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
	 * @author Curverider Ltd
	 * @copyright Curverider Ltd 2008
	 * @link http://elgg.com/
	 */

	// Load configuration
	global $CONFIG;
	
	gatekeeper();
	
	$forward_url = get_input('forward_url', $_SERVER['HTTP_REFERER']);
	$user_guid = get_input('user_guid');
	if (!is_array($user_guid))
		$user_guid = array($user_guid);
	$group_guid = get_input('group_guid');
	
	if (sizeof($user_guid))
	foreach ($user_guid as $u_id)
	{
		$requested = false;
		if ($user = get_entity($u_id) && $group = get_entity($group_guid)) {
	
		if ($_SESSION['user']->getGUID() == $group->owner_guid)
		{
			$requests = $user->group_join_request;
			
			if ($requests)
			{
				foreach ($requests as $request) 
				{
					if ($request == $group->getGUID())
					{
						
						// User has requested to join this group previously, so we can safely add them
	
						// add them
						if ((!$group->isMember($user)) && ($group->join($user)))
						{
							
							// send welcome email
							notify_user($user->getGUID(), $group->owner_guid, 
								sprintf(elgg_echo('groups:welcome:subject'), $group->name), 
								sprintf(elgg_echo('groups:welcome:body'), $user->name, $group->name, $group->getURL()),
								NULL, "email");
								
							system_message(elgg_echo('groups:addedtogroup'));
							
						}
						else
							register_error(elgg_echo("groups:cantjoin"));
						
						$requested = true;
					}
				}
			}
				
			if (!$requested) 
			{
				// Not found in request array, so send an invite and set invite flag
				$methods = $user->group_invite;
				if (($methods) && (!is_array($methods)))
					$methods = array($methods);
				if (!$methods) $methods=array();
				$methods[] = $group->getGUID();
				$methods = array_unique($methods);
				
				// Set invite flag
				//if (!$user->setMetaData('group_invite', $group->getGUID(), "", true))
				if (!$user->group_invite = $methods)
					register_error(elgg_echo("groups:usernotinvited"));
				else
				{
					// Send email
					if (notify_user($user->getGUID(), $group->owner_guid, 
							sprintf(elgg_echo('groups:invite:subject'), $user->name, $group->name), 
							sprintf(elgg_echo('groups:invite:body'), $user->name, $group->name, "{$CONFIG->url}action/groups/join?user_guid={$user->guid}&group_guid={$group->guid}"),
							NULL, "email"))
						system_message(elgg_echo("groups:userinvited"));
					else
						register_error(elgg_echo("groups:usernotinvited"));
				}
			}
		}
			else
				register_error(elgg_echo("groups:notowner"));
		}
	}
			
	forward($forward_url);
?>