CMeetingEventHandlers::OnBeforeUserDelete

static function OnBeforeUserDelete($user_id)
{
	global $DB;

	$user_id = intval($user_id);

	if($user_id > 0)
	{
		$dbRes = $DB->Query("SELECT COUNT(MEETING_ID) CNT FROM b_meeting_users WHERE USER_ID='".$user_id."'");
		$arRes = $dbRes->Fetch();
		if($arRes['CNT'] > 0)
		{
			$GLOBALS['APPLICATION']->ThrowException(GetMessage('MEETING_USER_ERROR'));
			return false;
		}
	}

	return true;
}