Score.php

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<?php

namespace ILIAS\LTI\ToolProvider\Service;

use ILIAS\LTI\ToolProvider;

class Score extends AssignmentGrade
{
    public static string $SCOPE = 'https://purl.imsglobal.org/spec/lti-ags/scope/score';

    public function __construct(\ILIAS\LTI\ToolProvider\Platform $platform, string $endpoint)
    {
        parent::__construct($platform, $endpoint, '/scores');
        $this->scope = self::$SCOPE;
        $this->mediaType = 'application/vnd.ims.lis.v1.score+json';
    }

    public function submit(ToolProvider\Outcome $ltiOutcome, ToolProvider\User $user): bool
    {
        $score = $ltiOutcome->getValue();
        if (!is_null($score)) {
            $json = array(
                'scoreGiven' => $score,
                'scoreMaximum' => $ltiOutcome->getPointsPossible(),
                'comment' => $ltiOutcome->comment,
                'activityProgress' => $ltiOutcome->activityProgress,
                'gradingProgress' => $ltiOutcome->gradingProgress
            );
        } else {
            $json = array(
                'activityProgress' => 'Initialized',
                'gradingProgress' => 'NotReady'
            );
        }
        $json['userId'] = $user->ltiUserId;
        $date = new \DateTime();
        $json['timestamp'] = date_format($date, 'Y-m-d\TH:i:s.uP');
        $data = json_encode($json);
        // UK changed from $http = $this->send('POST', null, $data);
        $http = $this->send('POST', [], $data);

        return $http->ok;
    }
}