function start()
{
$this->__buildHeader();
$attribs = array("obj_id" => "il_" . IL_INST_ID . "_exc_" . $this->exercise->getId());
if ($this->exercise->getOwner()) {
$attribs["owner"] = "il_" . IL_INST_ID . "_usr_" . $this->exercise->getOwner();
}
$this->xmlStartTag("Exercise", $attribs);
//todo: create new dtd for new assignment structure
$this->xmlElement("Title", null, $this->exercise->getTitle());
$this->xmlElement("Description", null, $this->exercise->getDescription());
//$this->xmlElement("Instruction", null,$this->exercise->getInstruction());
//$this->xmlElement("DueDate", null,$this->exercise->getTimestamp());
//todo: as a workaround use first assignment for compatibility with old exercise dtd
$assignments = ilExAssignment::getAssignmentDataOfExercise($this->exercise->getId());
if (count($assignments) > 0) {
foreach ($assignments as $assignment) {
$this->xmlStartTag("Assignment");
$this->xmlElement("Instruction", null, $assignment["instruction"]);
$this->xmlElement("DueDate", null, $assignment["deadline"]);
$this->handleAssignmentFiles($this->exercise->getId(), $assignment["id"]);
if ($this->attachMembers) {
$this->handleAssignmentMembers($this->exercise->getId(), $assignment["id"]);
}
$this->xmlEndTag("Assignment");
}
}
$this->xmlEndTag("Exercise");
$this->__buildFooter();
return true;
}
/**
* Import relevant properties from given exercise
*
* @param ilObjExercise $a_test
* @return object
*/
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();
}
// remove if certificate works
$newObj->create();
return $newObj;
}