class.ilCertificateCourseLearningProgressEvaluation.php

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<?php
/* Copyright (c) 1998-2018 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilCertificateCourseLearningProgressEvaluation
{
    private $templateRepository;

    private $setting;

    private $objectHelper;

    private $statusHelper;

    private $trackingHelper;

    public function __construct(
        ilCertificateTemplateRepository $templateRepository,
        ilSetting $setting = null,
        ilCertificateObjectHelper $objectHelper = null,
        ilCertificateLPStatusHelper $statusHelper = null,
        ilCertificateObjUserTrackingHelper $trackingHelper = null
    ) {
        $this->templateRepository = $templateRepository;

        if (null === $setting) {
            $setting = new ilSetting('crs');
        }
        $this->setting = $setting;

        if (null === $objectHelper) {
            $objectHelper = new ilCertificateObjectHelper();
        }
        $this->objectHelper = $objectHelper;

        if (null === $statusHelper) {
            $statusHelper = new ilCertificateLPStatusHelper();
        }
        $this->statusHelper = $statusHelper;
        if (null === $trackingHelper) {
            $trackingHelper = new ilCertificateObjUserTrackingHelper();
        }
        $this->trackingHelper = $trackingHelper;
    }

    public function evaluate(int $refId, int $userId) : array
    {
        $courseTemplates = $this->templateRepository->fetchActiveTemplatesByType('crs');

        $enabledGlobalLearningProgress = $this->trackingHelper->enabledLearningProgress();

        $templatesOfCompletedCourses = array();
        foreach ($courseTemplates as $courseTemplate) {
            $courseObjectId = $courseTemplate->getObjId();

            if ($enabledGlobalLearningProgress) {
                $objectLearningProgressSettings = new ilLPObjSettings($courseObjectId);
                $mode = $objectLearningProgressSettings->getMode();

                if (ilLPObjSettings::LP_MODE_DEACTIVATED != $mode) {
                    continue;
                }
            }

            $subItems = $this->setting->get('cert_subitems_' . $courseObjectId, false);

            if (false === $subItems || $subItems === null) {
                continue;
            }

            $subItems = json_decode($subItems);

            if (!is_array($subItems)) {
                continue;
            }

            $subitem_obj_ids = array();
            foreach ($subItems as $subItemRefId) {
                $subitem_obj_ids[$subItemRefId] = $this->objectHelper->lookupObjId((int) $subItemRefId);
            }

            if (in_array($refId, $subItems)) {
                $completed = true;

                // check if all subitems are completed now
                foreach ($subitem_obj_ids as $subitem_ref_id => $subitem_id) {
                    $status = $this->statusHelper->lookUpStatus($subitem_id, $userId);

                    if ($status != ilLPStatus::LP_STATUS_COMPLETED_NUM) {
                        $completed = false;
                        break;
                    }
                }

                if (true === $completed) {
                    $templatesOfCompletedCourses[] = $courseTemplate;
                }
            }
        }

        return $templatesOfCompletedCourses;
    }
}