}
$fields = $options['field'];
$result = $options['model']::find('first', compact('fields', 'conditions'));
return (bool) empty($result);
}, 'status' => function ($value, $format, $options) {
return (bool) $options['model']::status($value);
}, 'type' => function ($value, $format, $options) {
return (bool) $options['model']::types($value);
}, 'md5' => function ($value, $format, $options) {
return (bool) (strlen($value) === 32 && ctype_xdigit($value));
}, 'attachmentType' => function ($value, $type, $data) {
if (!isset($data['attachment'])) {
return true;
}
$mime = $data['attachment']['type'];
$mimeTypes = Mime::types();
foreach ($data['types'] as $each) {
if (isset($mimeTypes[$each]) && in_array($mime, $mimeTypes[$each])) {
return true;
}
}
return false;
}, 'attachmentSize' => function ($value, $type, $data) {
if (!isset($data['attachment'])) {
return true;
}
$size = $data['attachment']['size'];
if (is_string($data['size'])) {
if (preg_match('/([0-9\\.]+) ?([a-z]*)/i', $data['size'], $matches)) {
$number = $matches[1];
$suffix = $matches[2];
/**
* renders given asset
*
* @see radium\media\Mime
* @param object $asset instance of current record
* @param array $data additional data to be passed into render context
* @param array $options additional options
* - `response`: returns prepared response, defaults to false
* WARNING: will load whole file into RAM at once.
* - `download`: specify a filename and file will be offered as download
* - `stream`: directly stream contents out, defaults to true
* - `exit`: will exit process after streaming, defaults to true
* @return object|void returns response or directly renders the asset
*/
public function render($asset, $data = array(), array $options = array())
{
$defaults = array('download' => false, 'response' => false, 'stream' => true, 'exit' => true, 'size' => 51200);
$options += $defaults;
if ($options['response'] || !$options['stream']) {
return new Response(array('headers' => array('Content-type' => $asset->mimetype), 'body' => $asset->file->getBytes()));
}
Mime::header($asset->extension, $options);
$stream = $asset->file->getResource();
while (!feof($stream)) {
echo fread($stream, $options['size']);
}
if ($options['exit']) {
exit;
}
}
