Closes #843: Introducing intermediary invite action to establish invite relationship but ask a user to join

git-svn-id: https://code.elgg.org/elgg/trunk@3124 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 66 insertions, 0 deletions

diff --git a/mod/groups/actions/invite.php b/mod/groups/actions/invite.php
new file mode 100644
index 000000000..3820ffb15
--- /dev/null
+++ b/mod/groups/actions/invite.php
@@ -0,0 +1,66 @@
+<?php
+
+	/**
+	 * Invite a user to join 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 2008-2009
+	 * @link http://elgg.com/
+	 */
+
+	// Load configuration
+	global $CONFIG;
+	
+	gatekeeper();
+	
+	$user_guid = get_input('user_guid');
+	if (!is_array($user_guid))
+		$user_guid = array($user_guid);
+	$group_guid = get_input('group_guid');
+	
+	if (sizeof($user_guid))
+	{
+		foreach ($user_guid as $u_id)
+		{
+			$user = get_entity($u_id);
+			$group = get_entity($group_guid);
+			
+			if ( $user && $group) {
+				
+				if (get_loggedin_userid() == $group->owner_guid)
+				{
+					if (!check_entity_relationship($group->guid, 'invited', $user->guid))
+					{
+						if ($user->isFriend())
+						{
+							
+							// Create relationship
+							add_entity_relationship($group->guid, 'invited', $user->guid);
+							
+							// Send email
+							if (notify_user($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))
+								system_message(elgg_echo("groups:userinvited"));
+							else
+								register_error(elgg_echo("groups:usernotinvited"));
+							
+						}
+						else
+							register_error(elgg_echo("groups:usernotinvited"));
+					}
+					else
+						register_error(elgg_echo("groups:useralreadyinvited"));
+				}
+				else
+					register_error(elgg_echo("groups:notowner"));
+			}
+		}
+	}
+	
+	forward($_SERVER['HTTP_REFERER']);
+	
+?>
\ No newline at end of file