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<?php
/**
* Join a group action.
*
* @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 2008-2009
* @link http://elgg.com/
*/
// Load configuration
global $CONFIG;
gatekeeper();
$user_guid = get_input('user_guid');
$group_guid = get_input('group_guid');
$user = NULL;
if (!$user_guid) $user = $_SESSION['user'];
else
$user = get_entity($user_guid);
$group = get_entity($group_guid);
if (($user instanceof ElggUser) && ($group instanceof ElggGroup))
{
if ($group->isPublicMembership())
{
if ($group->join($user))
{
system_message(elgg_echo("groups:joined"));
// Remove any invite or join request flags
remove_metadata($user->guid, 'group_invite', $group->guid);
remove_metadata($user->guid, 'group_join_request', $group->guid);
// add to river
add_to_river('river/group/create','join',$user->guid,$group->guid);
forward($group->getURL());
exit;
}
else
register_error(elgg_echo("groups:cantjoin"));
}
else
{
// Closed group, request membership
system_message(elgg_echo('groups:privategroup'));
forward($CONFIG->url . "action/groups/joinrequest?user_guid=$user_guid&group_guid=$group_guid");
exit;
}
}
else
register_error(elgg_echo("groups:cantjoin"));
forward($_SERVER['HTTP_REFERER']);
exit;
?>
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