class.ilObjExerciseVerification.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once ('./Services/Verification/classes/class.ilVerificationObject.php');

class ilObjExerciseVerification extends ilVerificationObject
{
        protected function initType()
        {
                $this->type = "excv";
        }

        protected function getPropertyMap()
        {
                return array("issued_on" => self::TYPE_DATE,
                        "file" => self::TYPE_STRING
                        /*
                        "success" => self::TYPE_BOOL,
                        "mark" => self::TYPE_STRING,
                        "comment" => self::TYPE_STRING                   
                        */
                        );
        }

        public static function createFromExercise(ilObjExercise $a_exercise, $a_user_id)
        {
                global $lng;
                
                $lng->loadLanguageModule("exercise");
                
                $newObj = new self();
                $newObj->setTitle($a_exercise->getTitle());
                $newObj->setDescription($a_exercise->getDescription());

                include_once "Services/Tracking/classes/class.ilLPMarks.php";
                $lp_marks = new ilLPMarks($a_exercise->getId(), $a_user_id);
                $newObj->setProperty("issued_on", 
                        new ilDate($lp_marks->getStatusChanged(), IL_CAL_DATETIME));
                
                // create certificate
                include_once "Services/Certificate/classes/class.ilCertificate.php";
                include_once "Modules/Exercise/classes/class.ilExerciseCertificateAdapter.php";
                $certificate = new ilCertificate(new ilExerciseCertificateAdapter($a_exercise));
                $certificate = $certificate->outCertificate(array("user_id" => $a_user_id), false);
                
                // save pdf file
                if($certificate)
                {
                        // we need the object id for storing the certificate file
                        $newObj->create();
                        
                        $path = self::initStorage($newObj->getId(), "certificate");
                        
                        $file_name = "exc_".$a_exercise->getId()."_".$a_user_id.".pdf";                 
                        if(file_put_contents($path.$file_name, $certificate))
                        {                                                       
                                $newObj->setProperty("file", $file_name);
                                $newObj->update();
                                
                                return $newObj;
                        }
                
                        // file creation failed, so remove to object, too
                        $newObj->delete();
                }
        }
}

?>