class.ilSessionParticipants.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once('./Services/Membership/classes/class.ilParticipants.php');
include_once './Modules/Session/classes/class.ilEventParticipants.php';

class ilSessionParticipants extends ilParticipants
{
    const COMPONENT_NAME = 'Modules/Session';
    
    protected static $instances = array();

    protected $event_part = null;
    
    public function __construct($a_ref_id)
    {
        $this->event_part = new ilEventParticipants(ilObject::_lookupObjId($a_ref_id));
        parent::__construct(self::COMPONENT_NAME, $a_ref_id);
    }
    
    
    public static function _getInstanceByObjId($a_obj_id)
    {
        $refs = ilObject::_getAllReferences($a_obj_id);
        return self::getInstance(array_pop($refs));
    }


    
    public static function getInstance($a_ref_id)
    {
        if (self::$instances[$a_ref_id] instanceof self) {
            return self::$instances[$a_ref_id];
        }
        return self::$instances[$a_ref_id] = new self($a_ref_id);
    }
    
    public function getEventParticipants()
    {
        return $this->event_part;
    }
    
    public function checkLastAdmin($a_usr_ids)
    {
        return false;
    }
    
    public static function _isParticipant($a_ref_id, $a_usr_id)
    {
        $obj_id = ilObject::_lookupObjId($a_ref_id);
        return ilEventParticipants::_isRegistered($a_usr_id, $obj_id);
    }
        
    public function readParticipantsStatus()
    {
        $this->participants_status = array();
        foreach ($this->getMembers() as $mem_uid) {
            $this->participants_status[$mem_uid]['blocked'] = false;
            $this->participants_status[$mem_uid]['notification'] = false;
            $this->participants_status[$mem_uid]['passed'] = false;
            $this->participants_status[$mem_uid]['contact'] = $this->getEventParticipants()->isContact($mem_uid);
        }
    }
    
    public function add($a_usr_id, $a_role = "")
    {
        if (parent::add($a_usr_id, $a_role)) {
            return true;
        }
        return false;
    }
    
    public function register($a_usr_id)
    {
        $this->logger->debug('Registering user: ' . $a_usr_id . ' for session: ' . $this->getObjId());
        $this->add($a_usr_id, IL_SESS_MEMBER);
        // in any (already participant since status attended) case register user.
        $this->getEventParticipants()->register($a_usr_id);
        return true;
    }
    
    public function unregister($a_usr_id)
    {
        // participated users are not dropped from role
        if ($this->getEventParticipants()->hasParticipated($a_usr_id)) {
            $this->getEventParticipants()->unregister($a_usr_id);
            return true;
        } else {
            $this->delete($a_usr_id);
            $this->getEventParticipants()->unregister($a_usr_id);
            return true;
        }
        return false;
    }


    public function sendNotification($a_type, $a_usr_id, $a_force_email = false)
    {
        $mail = new ilSessionMembershipMailNotification();

        switch ($a_type) {
            case ilSessionMembershipMailNotification::TYPE_ACCEPTED_SUBSCRIPTION_MEMBER:
                $mail->setType(ilSessionMembershipMailNotification::TYPE_ACCEPTED_SUBSCRIPTION_MEMBER);
                $mail->setRefId($this->ref_id);
                $mail->setRecipients([$a_usr_id]);
                $mail->send();
                break;

            default:
                $this->logger->warning('Invalid notfication type given: ' . $a_type);
                $this->logger->logStack(ilLogLevel::WARNING);
                break;
        }
    }
}