/**
* Uploads a file if we have a valid upload
*
* @param Jelly $model
* @param mixed $value
* @param bool $loaded
* @return string|NULL
*/
public function save($model, $value, $loaded)
{
$original = $model->get($this->name, FALSE);
// Upload a file?
if (is_array($value) and upload::valid($value)) {
if (FALSE !== ($filename = upload::save($value, NULL, $this->path))) {
// Chop off the original path
$value = str_replace($this->path, '', $filename);
// Ensure we have no leading slash
if (is_string($value)) {
$value = trim($value, '/');
}
// Delete the old file if we need to
if ($this->delete_old_file and $original != $this->default) {
$path = $this->path . $original;
if (file_exists($path)) {
unlink($path);
}
}
} else {
$value = $this->default;
}
}
return $value;
}
