/**
* Set can enroll property
*
* @access public
* @param array $courses
* @return array courses with canRoll property added
*/
public function setCanEnroll($courses)
{
$auth = new AuthenticationService();
$storage = $auth->getIdentity();
$currentUser = NULL;
if ($auth->hasIdentity()) {
$currentUser = $this->query->find('Users\\Entity\\User', $storage['id']);
}
foreach ($courses as $course) {
$nonAuthorizedEnroll = false;
$canEnroll = true;
$users = $course->getUsers();
$canLeave = false;
if ($auth->hasIdentity()) {
$courseAiId = $this->objectUtilities->getId($course->getAi());
if (in_array(Role::INSTRUCTOR_ROLE, $storage['roles']) && $storage['id'] == $courseAiId) {
$nonAuthorizedEnroll = true;
}
}
if (!is_null($currentUser)) {
$canLeave = $users->contains($currentUser);
}
if ($canLeave === true || $nonAuthorizedEnroll === true || $course->getStudentsNo() >= $course->getCapacity()) {
$canEnroll = false;
}
$course->canEnroll = $canEnroll;
$course->canLeave = $canLeave;
}
return $courses;
}
/**
* Prepare entities diffs
*
* @access public
* @param array $entities
* @param array $entitiesLogs
*
* @return \ArrayIterator array of entities diff
*/
public function prepareDiffs($entities, $entitiesLogs)
{
$preparedEntities = $this->objectUtilities->prepareForDisplay($entities);
$entitiesComparisonData = array();
foreach ($preparedEntities as $entity) {
$entityBeforeClass = get_class($entity);
$entityHasChanges = false;
foreach ($entitiesLogs as $logsPerEntity) {
foreach ($logsPerEntity as $entityLog) {
if ($entity->getId() == $entityLog->getObjectId()) {
$entityAfterArray = $this->objectUtilities->prepareForDisplay(array($entityLog->getData()), $entity);
$entityBefore = $entity;
if (method_exists($entity, "getStatus") && $entity->getStatus() == Status::STATUS_NOT_APPROVED) {
// get empty object to compare after data with empty before
$entityBefore = new $entityBeforeClass();
$entityBefore->id = $entity->getId();
}
$entitiesComparisonData[] = array("before" => $entityBefore, "after" => reset($entityAfterArray));
$entityHasChanges = true;
break 2;
}
}
}
// add unchanged entity to comparison data
if ($entityHasChanges === false) {
$entitiesComparisonData[] = array("before" => $entity, "after" => $entity);
}
}
return new \ArrayIterator($entitiesComparisonData);
}
