chamilo/chamilo-lms

<?php

declare(strict_types=1);

/* For licensing terms, see /license.txt */

namespace Chamilo\LtiBundle\Component;

use Chamilo\CoreBundle\Entity\GradebookEvaluation;
use Chamilo\CoreBundle\Entity\User;
use Result;
use SimpleXMLElement;

class OutcomeReadRequest extends OutcomeRequest
{
    public function __construct(SimpleXMLElement $xml)
    {
        parent::__construct($xml);

        $this->responseType = OutcomeResponse::TYPE_READ;
        $this->xmlRequest = $this->xmlRequest->readResultRequest;
    }

    protected function processBody(): void
    {
        $resultRecord = $this->xmlRequest->resultRecord;
        $sourcedId = (string) $resultRecord->sourcedGUID->sourcedId;
        $sourcedId = htmlspecialchars_decode($sourcedId);

        $sourcedParts = json_decode($sourcedId, true);

        if (empty($sourcedParts)) {
            $this->statusInfo
                ->setSeverity(OutcomeResponseStatus::SEVERITY_ERROR)
                ->setCodeMajor(OutcomeResponseStatus::CODEMAJOR_FAILURE)
            ;

            return;
        }

        /** @var GradebookEvaluation $evaluation */
        $evaluation = $this->entityManager->find(GradebookEvaluation::class, $sourcedParts['e']);

        /** @var User $user */
        $user = $this->entityManager->find(User::class, $sourcedParts['u']);

        if (empty($evaluation) || empty($user)) {
            $this->statusInfo
                ->setSeverity(OutcomeResponseStatus::SEVERITY_STATUS)
                ->setCodeMajor(OutcomeResponseStatus::CODEMAJOR_FAILURE)
            ;

            return;
        }

        $results = Result::load(null, $user->getId(), $evaluation->getId());

        $ltiScore = '';
        $responseDescription = $this->translator->trans('Score not set');

        if (!empty($results)) {
            /** @var Result $result */
            $result = $results[0];
            $ltiScore = 0;

            if (!empty($result->get_score())) {
                $ltiScore = $result->get_score() / $evaluation->getMax();
            }

            $responseDescription = \sprintf(
                $this->translator->trans('Score for user %d is %s'),
                $user->getId(),
                $ltiScore
            );
        }

        $this->statusInfo
            ->setSeverity(OutcomeResponseStatus::SEVERITY_STATUS)
            ->setCodeMajor(OutcomeResponseStatus::CODEMAJOR_SUCCESS)
            ->setDescription($responseDescription)
        ;

        $this->responseBodyParam = (string) $ltiScore;
    }
}