class.ilLTIToolPlaceholderValues.php

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<?php
 
declare(strict_types=1);
 
readonly class ilLTIToolPlaceholderValues implements ilCertificatePlaceholderValues
{
    private ilLanguage $language;
    private ilDefaultPlaceholderValues $default_values;
    private ilCertificateObjectHelper $object_helper;
    private ilCertificateUtilHelper $util_helper;
    private ilCertificateLPStatusHelper $lp_status_helper;
    private ilCertificateDateHelper $date_helper;
 
    public function __construct()
    {
        global $DIC;
 
        $this->language = $DIC->language();
        $this->language->loadLanguageModule('certificate');
        $this->default_values = new ilDefaultPlaceholderValues();
        $this->object_helper = new ilCertificateObjectHelper();
        $this->util_helper = new ilCertificateUtilHelper();
        $this->lp_status_helper = new ilCertificateLPStatusHelper();
        $this->date_helper = new ilCertificateDateHelper();
    }
 
    public function getPlaceholderValues(int $userId, int $objId): array
    {
        $object = $this->object_helper->getInstanceByObjId($objId);
        $placeholders = $this->default_values->getPlaceholderValues($userId, $objId);
 
        $placeholders['OBJECT_TITLE'] = $this->util_helper->prepareFormOutput($object->getTitle());
        $placeholders['OBJECT_DESCRIPTION'] = $this->util_helper->prepareFormOutput($object->getDescription());
        $placeholders['MASTERY_SCORE'] = $this->util_helper->prepareFormOutput(
            $object instanceof ilObjLTITool ? $this->formatPercentage($object->getMasteryScore()) : ''
        );
 
        $result = ilLTIToolResult::getByKeys($objId, $userId)?->getResult();
        $placeholders['REACHED_SCORE'] = $this->util_helper->prepareFormOutput(
            $result === null ? '' : $this->formatPercentage($result)
        );
 
        $placeholders['DATE_COMPLETED'] = '';
        $placeholders['DATETIME_COMPLETED'] = '';
        $completion_date = $this->lp_status_helper->lookupStatusChanged($objId, $userId);
        if ($completion_date !== '') {
            $user = $this->object_helper->getInstanceByObjId($userId);
            $user = $user instanceof ilObjUser ? $user : null;
            $placeholders['DATE_COMPLETED'] = $this->date_helper->formatDate($completion_date, $user);
            $placeholders['DATETIME_COMPLETED'] = $this->date_helper->formatDateTime($completion_date, $user);
        }
 
        return $placeholders;
    }
 
    public function getPlaceholderValuesForPreview(int $userId, int $objId): array
    {
        $placeholders = $this->default_values->getPlaceholderValuesForPreview($userId, $objId);
        foreach ([
            'OBJECT_TITLE' => 'lti_cert_ph_object_title',
            'OBJECT_DESCRIPTION' => 'lti_cert_ph_object_description',
            'MASTERY_SCORE' => 'lti_cert_ph_mastery_score',
            'REACHED_SCORE' => 'lti_cert_ph_reached_score',
        ] as $placeholder => $txt) {
            $placeholders[$placeholder] = $this->util_helper->prepareFormOutput($this->language->txt($txt));
        }
 
        return $placeholders;
    }
 
    private function formatPercentage(float $share): string
    {
        return sprintf('%0.2f %%', 100 * $share);
    }
}