/**
* get file in app folder
*
* @throws RuntimeException
* @return null|File
*/
protected final function getFile()
{
if (!isset($this->settings['folder'], $this->settings['extension'])) {
throw new RuntimeException('mode invalid: expect `folder` and `extension`');
}
$fileList = array(new File('private/src/area/' . $this->request->getArea() . '/app'), new File('private/src/common/app'));
$page = implode('/', array_merge(array($this->request->getPage()), $this->request->getInputList()));
foreach ($fileList as $file) {
if (!$file instanceof File) {
continue;
}
$file->attach($this->settings['folder'])->attach($page . $this->settings['extension']);
if ($file->isFile()) {
return $file;
}
}
return null;
}
