/**
* deletes a users messages, when a user is deleted
*
* @param type $event
* @param type $user
*/
public static function eventlistener_on_deleteuser($event, $user)
{
if ('deleteuser' !== $event) {
return;
}
$userid = $user['id'];
db_begin();
$recievedmessageids = get_message_ids_mr($userid, 'recipient', null, null, null);
if (count($recievedmessageids) > 0) {
delete_messages_mr($recievedmessageids, $userid);
}
$sentmessageids = get_message_ids_mr($userid, 'sender', null, null, 100);
if (count($sentmessageids) > 0) {
delete_messages_mr($sentmessageids, $userid);
}
db_commit();
}
/**
*
* retrieves the messages for user $usr (or logged in user as default). To
* view the messages the user has sent, use $role='sender'. Type should always
* be 2 (usermessage). Limit and offset can be used for paginated views
* <br/>
* example result: <br/>
* array ( <br/>
* 0 => <br/>
* stdClass::__set_state(array( <br/>
* 'id' => '23', <br/>
* 'type' => '2', <br/>
* 'ctime' => '2013-09-12 10:12:26', <br/>
* 'subject' => 'some subject', <br/>
* 'message' => 'some body', <br/>
* 'parent' => NULL, <br/>
* 'userids' => <br/>
* array ( <br/>
* 0 => '1', <br/>
* 1 => '2', <br/>
* ), <br/>
* 'fromid' => '1', <br/>
* )) <br/>
* ) <br/>
*
* @param int $usr the id of the user
* @param string $role the role can be <b>sender</b> or <b>recipient</b>
* @param int $type so far it's always <b>2</b> for usermessage
* @param string $sortby should be <b>null</b> or <b>ctime ASC</b> or <b>ctime DESC</b>
* @param int $limit limits the number of results - for paginations for example
* @param int $offset offset of the first row to return
* @return array
*/
function get_messages_mr($usr = null, $role = 'recipient', $type = null, $sortby = null, $limit = 20, $offset = 0)
{
$messageids = get_message_ids_mr($usr, $role, $type, $sortby, $limit, $offset);
if (null === $usr) {
global $USER;
$usr = $USER->get('id');
}
foreach ($messageids as $msgid) {
$msg = get_message_mr($usr, $msgid);
if (null !== $msg) {
$messages[] = $msg;
}
}
return $messages;
}