/**
* Returns all documents for the topic
* @param $topic_id
* @return array
*/
private function getDocuments($topic_id)
{
$document_mapper = new DocumentDBMapper();
$documents = $document_mapper->getDocumentsByTopicId($topic_id);
$documents_array = array();
// Sets profiles, links, fields and target groups for each document
foreach ($documents as $document) {
$document->setTargetGroups(DocumentController::getTargetGroups($document));
$document->setLinks(DocumentController::getLinks($document));
$document->setFields(DocumentController::getFields($document));
$document_array = $document->toArray();
array_push($documents_array, $document_array);
}
// Sort document list on sequence
usort($documents_array, function ($a, $b) {
return $a['sequence'] - $b['sequence'];
});
return $documents_array;
}
