/**
* Binding files with owner
*
* @param int $ownerId
* @param int $ownerType
* @param array $files
* @return array|bool
*/
private function bindMultiple($ownerId, $ownerType, $files)
{
$files = ArrayHelper::getValue($files, 'files', []);
$newFiles = ArrayHelper::index(File::findAll(array_keys($files)), 'id');
$currentFiles = ArrayHelper::index(File::getByOwner($ownerId, $ownerType), 'id');
if (count($newFiles)) {
foreach ($newFiles as $file) {
if (!$file->isOwner($ownerId, $ownerType)) {
unset($newFiles[$file->id]);
continue;
}
if (!$this->bindMultipleFile($file, $ownerId, $files)) {
continue;
}
}
// delete unnecessary files
foreach ($currentFiles as $currFile) {
if (!array_key_exists($currFile->id, $newFiles)) {
$currFile->delete();
}
}
} else {
// if empty array — delete current files
foreach ($currentFiles as $currFile) {
$currFile->delete();
}
}
return $newFiles;
}
