1 files changed, 65 insertions, 0 deletions
diff --git a/mod/groups/actions/join.php b/mod/groups/actions/join.php
new file mode 100644
index 000000000..3947f8efc
--- /dev/null
+++ b/mod/groups/actions/join.php
@@ -0,0 +1,65 @@
+<?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 2008-2010
+	 * @link http://elgg.com/
+	 */
+
+	// Load configuration
+	global $CONFIG;
+
+	gatekeeper();
+
+	$user_guid = get_input('user_guid', get_loggedin_userid());
+	$group_guid = get_input('group_guid');
+
+	// @todo fix for #287
+	// disable access to get entity.
+	$invitations = groups_get_invited_groups($user_guid, TRUE);
+
+	if (in_array($group_guid, $invitations)) {
+		$ia = elgg_set_ignore_access(TRUE);
+	}
+
+	$user = get_entity($user_guid);
+	$group = get_entity($group_guid);
+
+	if (($user instanceof ElggUser) && ($group instanceof ElggGroup))
+	{
+		if ($group->isPublicMembership())
+		{
+			if ($group->join($user))
+			{
+				system_message(elgg_echo("groups:joined"));
+
+				// Remove any invite or join request flags
+				remove_entity_relationship($group->guid, 'invited', $user->guid);
+				remove_entity_relationship($user->guid, 'membership_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(elgg_add_action_tokens_to_url($CONFIG->url . "action/groups/joinrequest?user_guid=$user_guid&group_guid=$group_guid"));
+			exit;
+		}
+	}
+	else
+		register_error(elgg_echo("groups:cantjoin"));
+
+	forward($_SERVER['HTTP_REFERER']);
+	exit;
+?>