class.ilObjCourseListGUI.php

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<?php

/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "Services/Object/classes/class.ilObjectListGUI.php";

class ilObjCourseListGUI extends ilObjectListGUI
{
    private $certificatePreloader;

    public function init()
    {
        $this->static_link_enabled = true;
        $this->delete_enabled = true;
        $this->cut_enabled = true;
        $this->copy_enabled = true;
        $this->subscribe_enabled = true;
        $this->link_enabled = false;
        $this->info_screen_enabled = true;
        $this->type = "crs";
        $this->gui_class_name = "ilobjcoursegui";
        
        $this->substitutions = ilAdvancedMDSubstitution::_getInstanceByObjectType($this->type);
        if ($this->substitutions->isActive()) {
            $this->substitutions_enabled = true;
        }

        // general commands array
        $this->commands = ilObjCourseAccess::_getCommands();
    }
    
    public function initItem($a_ref_id, $a_obj_id, $type, $a_title = "", $a_description = "")
    {
        parent::initItem($a_ref_id, $a_obj_id, $type, $a_title, $a_description);

        $this->conditions_ok = ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id, $this->obj_id);
    }

    protected function getCertificatePreloader() : \ilCertificateObjectsForUserPreloader
    {
        if (null === $this->certificatePreloader) {
            $repository = new ilUserCertificateRepository();
            $this->certificatePreloader = new ilCertificateObjectsForUserPreloader($repository);
        }
        
        return $this->certificatePreloader;
    }

    public function getProperties()
    {
        global $DIC;

        $lng = $DIC['lng'];
        $ilUser = $DIC['ilUser'];

        $props = parent::getProperties();
        
        // check activation
        if (
            !ilObjCourseAccess::_isActivated($this->obj_id) &&
            !ilObject::lookupOfflineStatus($this->obj_id)
        ) {
            $showRegistrationInfo = false;
            $props[] = array(
                "alert" => true,
                "property" => $lng->txt("status"),
                "value" => $lng->txt("offline")
            );
        }

        // blocked
        include_once 'Modules/Course/classes/class.ilCourseParticipant.php';
        $members = ilCourseParticipant::_getInstanceByObjId($this->obj_id, $ilUser->getId());
        if ($members->isBlocked($ilUser->getId()) and $members->isAssigned($ilUser->getId())) {
            $props[] = array("alert" => true, "property" => $lng->txt("member_status"),
                "value" => $lng->txt("crs_status_blocked"));
        }

        // pending subscription
        include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
        if (ilCourseParticipants::_isSubscriber($this->obj_id, $ilUser->getId())) {
            $props[] = array("alert" => true, "property" => $lng->txt("member_status"),
                "value" => $lng->txt("crs_status_pending"));
        }
        
        include_once './Modules/Course/classes/class.ilObjCourseAccess.php';
        $info = ilObjCourseAccess::lookupRegistrationInfo($this->obj_id);
        if ($info['reg_info_list_prop']) {
            $props[] = array(
                'alert' => false,
                'newline' => true,
                'property' => $info['reg_info_list_prop']['property'],
                'value' => $info['reg_info_list_prop']['value']
            );
        }
        if ($info['reg_info_list_prop_limit']) {
            $props[] = array(
                'alert' => false,
                'newline' => false,
                'property' => $info['reg_info_list_prop_limit']['property'],
                'propertyNameVisible' => strlen($info['reg_info_list_prop_limit']['property']) ? true : false,
                'value' => $info['reg_info_list_prop_limit']['value']
            );
        }
        
        // waiting list
        include_once './Modules/Course/classes/class.ilCourseWaitingList.php';
        if (ilCourseWaitingList::_isOnList($ilUser->getId(), $this->obj_id)) {
            $props[] = array(
                "alert" => true,
                "property" => $lng->txt('member_status'),
                "value" => $lng->txt('on_waiting_list')
            );
        }
        
        // course period
        $info = ilObjCourseAccess::lookupPeriodInfo($this->obj_id);
        if (is_array($info)) {
            $props[] = array(
                'alert' => false,
                'newline' => true,
                'property' => $info['property'],
                'value' => $info['value']
            );
        }
        
        // check for certificates
        $hasCertificate = $this->getCertificatePreloader()->isPreloaded($ilUser->getId(), $this->obj_id);
        if (true === $hasCertificate) {
            $lng->loadLanguageModule('certificate');
            $cmd_link = "ilias.php?baseClass=ilRepositoryGUI&ref_id=" . $this->ref_id . "&cmd=deliverCertificate";
            $props[] = [
                'alert' => false,
                'property' => $lng->txt('certificate'),
                'value' => $DIC->ui()->renderer()->render(
                    $DIC->ui()->factory()->link()->standard($lng->txt('download_certificate'), $cmd_link)
                )
            ];
        }

        // booking information
        $repo = ilObjCourseAccess::getBookingInfoRepo();
        $book_info = new ilBookingInfoListItemPropertiesAdapter($repo);
        $props = $book_info->appendProperties($this->obj_id, $props);

        return $props;
    }
    
    
    public function checkCommandAccess($a_permission, $a_cmd, $a_ref_id, $a_type, $a_obj_id = "")
    {
        // Only check cmd access for cmd 'register' and 'unregister'
        if ($a_cmd != 'view' and $a_cmd != 'leave' and $a_cmd != 'join') {
            $a_cmd = '';
        }

        if ($a_permission == 'crs_linked') {
            return
                parent::checkCommandAccess('read', $a_cmd, $a_ref_id, $a_type, $a_obj_id) ||
                parent::checkCommandAccess('join', $a_cmd, $a_ref_id, $a_type, $a_obj_id);
        }
        return parent::checkCommandAccess($a_permission, $a_cmd, $a_ref_id, $a_type, $a_obj_id);
    }
} // END class.ilObjCategoryGUI