/**
* @param OrganizationImage $image
* @return string
*/
protected function getImageSubPath(OrganizationImage $image)
{
$id = $image->getId();
if (!$id) {
throw new InvalidArgumentException('image must have ID');
}
$extension = null;
$filename = $image->getName();
if ($filename) {
// get an extension from the filename
$extension = pathinfo($filename, PATHINFO_EXTENSION);
} else {
// try get an extension from MIME if any
$extension = str_replace('image/', '', $image->getType());
}
if (!$extension) {
throw new InvalidArgumentException('unable to get an image file extension');
}
$firstLevel = substr($id, -1) ?: '0';
$secondLevel = substr($id, -2, 1) ?: '0';
return sprintf('%s/%s/%s.%s', $firstLevel, $secondLevel, $id, $extension);
}
