/**
* Reads the sites from the data source
* @return array
*/
protected function readSites()
{
$sites = array();
if (!$this->path->exists()) {
return $sites;
}
$defaultRevision = $this->nodeModel->getDefaultRevision();
$siteDirectories = $this->path->read();
foreach ($siteDirectories as $siteDirectory) {
if ($siteDirectory->isHidden() || !$siteDirectory->isDirectory()) {
continue;
}
$site = $this->readSite($siteDirectory, $defaultRevision);
$sites[$site->getId()] = $site;
}
return $sites;
}
/**
* Sets the permanent upload directory
* @return null
*/
protected function setUploadDirectoryPermanent(File $directory)
{
if (!$directory->exists()) {
$directory->create();
} elseif (!$directory->isDirectory()) {
throw new FileSystemException('Could not set upload directory: ' . $directory . ' is not a directory');
}
$this->uploadDirectoryPermanent = $directory;
}
/**
* Clears the cache of this node IO
* @return null
*/
public function clearCache()
{
$this->nodes = null;
if ($this->file->exists()) {
$this->file->delete();
}
if (isset($this->needsClear)) {
unset($this->needsClear);
}
$this->needsWrite = true;
}
