/**
* @inheritdoc
*/
public function evaluate(Subject $subject, Resource $resource, array $params)
{
if (!$resource instanceof Book) {
return false;
}
return $resource->getAuthorId() === $subject->getSubjectId();
}
/**
* @inheritdoc
*/
public function deleteAssignment(Subject $subject)
{
$assignment = $this->overseer->getAssignment($subject->getSubjectId(), $subject->getSubjectName());
if ($assignment instanceof Assignment) {
$this->overseer->deleteAssignment($assignment);
}
}
/**
* @param Subject $subject
*
* @return Assignment|null
*/
public function getAssignmentForSubject(Subject $subject)
{
return $this->assignmentStorage->getAssignment($subject->getSubjectId(), $subject->getSubjectName());
}