class.ilAwarenessUserProviderMemberships.php

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<?php

/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Awareness/classes/class.ilAwarenessUserProvider.php");

class ilAwarenessUserProviderMemberships extends ilAwarenessUserProvider
{
        function getProviderId()
        {
                return "mmbr_user_grpcrs";
        }

        function getTitle()
        {
                $this->lng->loadLanguageModule("mmbr");
                return $this->lng->txt("mmbr_awrn_my_groups_courses");
        }

        function getInfo()
        {
                $this->lng->loadLanguageModule("crs");
                return $this->lng->txt("mmbr_awrn_my_groups_courses_info");
        }

        function getInitialUserSet()
        {
                global $ilDB;


                include_once("./Services/Membership/classes/class.ilParticipants.php");
                $groups_and_courses_of_user = ilParticipants::_getMembershipByType($this->getUserId(), array("grp", "crs"));
                $this->log->debug("user: ".$this->getUserId().", courses and groups: ".implode(",", $groups_and_courses_of_user));

                $set = $ilDB->query("SELECT DISTINCT usr_id, obj_id FROM obj_members ".
                        " WHERE ".$ilDB->in("obj_id", $groups_and_courses_of_user, false, "integer").' '.
                        'AND (admin > '.$ilDB->quote(0,'integer').' '.
                        'OR tutor > '.$ilDB->quote(0,'integer').' '.
                        'OR member > '.$ilDB->quote(0,'integer').")"
                );
                $ub = array();
                while ($rec = $ilDB->fetchAssoc($set))
                {
                        if (!in_array($rec["usr_id"], $ub))
                        {
                                $ub[] = $rec["usr_id"];
                                if ($this->log->isHandling(ilLogLevel::DEBUG))
                                {
                                        // cross-check if user is in course
                                        include_once("./Services/Membership/classes/class.ilParticipants.php");
                                        $ref_ids = ilObject::_getAllReferences($rec["obj_id"]);
                                        $ref_id = current($ref_ids);
                                        $this->log->debug("Cross-checking all members...");
                                        if (!ilParticipants::_isParticipant($ref_id, $rec["usr_id"]))
                                        {
                                                $this->log->debug("ERROR: obj_members has entry for user id: ".$rec["usr_id"].
                                                        ", user : ".ilObject::_lookupTitle($rec["usr_id"]).", course ref: ".$ref_id.", course: ".
                                                        ilObject::_lookupTitle($rec["obj_id"]).", but ilParticipants does not list this user as a member.");
                                        }
                                }
                        }
                }

                $this->log->debug("Got ".count($ub)." distinct members.");

                return $ub;
        }
}
?>