class.ilMembershipCronMinMembers.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "Services/Cron/classes/class.ilCronJob.php";

class ilMembershipCronMinMembers extends ilCronJob
{
    public function getId()
    {
        return "mem_min_members";
    }
    
    public function getTitle()
    {
        global $lng;
        
        return $lng->txt("mem_cron_min_members");
    }
    
    public function getDescription()
    {
        global $lng;
        
        return $lng->txt("mem_cron_min_members_info");
    }
    
    public function getDefaultScheduleType()
    {
        return self::SCHEDULE_TYPE_DAILY;
    }
    
    public function getDefaultScheduleValue()
    {
        return;
    }
    
    public function hasAutoActivation()
    {
        return true;
    }
    
    public function hasFlexibleSchedule()
    {
        return false;
    }
    
    public function run()
    {
        $status = ilCronJobResult::STATUS_NO_ACTION;
        $message = null;
        
        $recipients_map = array();
        
        $this->getCourses($recipients_map);
        $this->getGroups($recipients_map);
    
        if (sizeof($recipients_map)) {
            foreach ($recipients_map as $reci_id => $items) {
                $this->sendMessage($reci_id, $items);
            }
                    
            $status = ilCronJobResult::STATUS_OK;
            $message = sizeof($recipients_map) . " notifications sent";
        }
        
        $result = new ilCronJobResult();
        $result->setStatus($status);
        $result->setMessage($message);
        
        return $result;
    }
    
    protected function getCourses(array &$a_recipients_map)
    {
        include_once "Modules/Course/classes/class.ilObjCourse.php";
        foreach (ilObjCourse::findCoursesWithNotEnoughMembers() as $obj_id => $item) {
            $too_few = (bool) $item[0];
            
            /*
            $ilDB->manipulate("UPDATE crs_settings".
                " SET cancel_end_noti = ".$ilDB->quote($now, "integer").
                " WHERE obj_id = ".$ilDB->quote($obj_id, "integer"));
            */
            
            if ($too_few) {
                // not enough members: notifiy course admins
                foreach ($item[1] as $reci_id) {
                    $a_recipients_map[$reci_id][] = array("crs", $obj_id, $item[0]);
                }
            } else {
                // enough members: notify members?
                
                // :TODO: ?
            }
        }
    }
    
    protected function getGroups(array &$a_recipients_map)
    {
        include_once "Modules/Group/classes/class.ilObjGroup.php";
        foreach (ilObjGroup::findGroupsWithNotEnoughMembers() as $obj_id => $item) {
            $too_few = (bool) $item[0];
            
            /*
            $ilDB->manipulate("UPDATE grp_settings".
                " SET cancel_end_noti = ".$ilDB->quote($now, "integer").
                " WHERE obj_id = ".$ilDB->quote($obj_id, "integer"));
            */
            
            if ($too_few) {
                // not enough members: notifiy group admins
                foreach ($item[1] as $reci_id) {
                    $a_recipients_map[$reci_id][] = array("grp", $obj_id, $item[0]);
                }
            } else {
                // enough members: notify members?
                
                // :TODO: ?
            }
        }
    }
    
    protected function sendMessage($a_reci_id, array $a_items)
    {
        global $ilUser;
        
        include_once "Services/Link/classes/class.ilLink.php";
        include_once "./Services/Notification/classes/class.ilSystemNotification.php";
        $ntf = new ilSystemNotification();
        $ntf->setLangModules(array("crs"));
        
        // #17097
        $ntf->setReasonLangId("mem_cron_min_members_reason");
        $ntf->setTaskLangId("mem_cron_min_members_task");
        
        // user specific language
        $lng = $ntf->getUserLanguage($a_reci_id);
            
        $list = array();
        foreach ($a_items as $item) {
            $obj_type = $item[0];
            $obj_id = $item[1];
            $ref_id = array_pop(ilObject::_getAllReferences($obj_id));
            
            $title = ilObject::_lookupTitle($obj_id);
            $url = ilLink::_getLink($ref_id, $obj_type);
            
            $list[] = $title . "\n" . $url . "\n";
        }
        $list = implode($ntf->getBlockBorder(), $list);
                
        $ntf->addAdditionalInfo("mem_cron_min_members_intro", $list, true);
        
        $mail = new ilMail(ANONYMOUS_USER_ID);
        $mail->enableSOAP(false); // #10410
        $mail->sendMail(
            ilObjUser::_lookupLogin($a_reci_id),
            null,
            null,
            $lng->txt("mem_cron_min_members_subject"),
            $ntf->composeAndGetMessage($a_reci_id, null, "read", true),
            null,
            array("system")
        );
    }
}