/**
* Perform this job.
*/
public function perform()
{
// Fetch file IDs according to the passed options.
$select = $this->_db->select()->from($this->_db->File, array('id'));
if ('has_derivative' == $this->_options['process_type']) {
$select->where('has_derivative_image = 1');
} else {
if ('has_no_derivative' == $this->_options['process_type']) {
$select->where('has_derivative_image = 0');
}
}
if (is_array($this->_options['mime_types'])) {
$select->where('mime_type IN (?)', $this->_options['mime_types']);
}
$fileIds = $select->query()->fetchAll(Zend_Db::FETCH_COLUMN);
// Iterate files and create derivatives.
foreach ($fileIds as $fileId) {
$file = get_record_by_id('file', $fileId);
// Register which image derivatives to create.
foreach ($this->_derivatives as $type => $constraint) {
$this->_imageCreator->addDerivative($type, $constraint);
}
// Create derivatives.
try {
$imageCreated = $this->_imageCreator->create(FILES_DIR . '/' . $file->getStoragePath('original'), $file->getDerivativeFilename(), $file->mime_type);
} catch (Exception $e) {
_log($e);
$imageCreated = false;
}
// Confirm that the file was derivable.
if (!$imageCreated) {
continue;
}
// Save the file record.
$file->has_derivative_image = 1;
$file->save();
// Delete existing derivative images and replace them with the
// temporary ones made during image creation above.
foreach ($this->_derivatives as $type => $constraint) {
$this->_storage->delete($file->getStoragePath($type));
$source = FILES_DIR . "/original/{$type}_" . $file->getDerivativeFilename();
$this->_storage->store($source, $file->getStoragePath($type));
}
// Release the file record to prevent memory leaks.
release_object($file);
}
}
public function deleteFile($filename)
{
$destPath = $this->_storagePrefixDir . '/' . $filename;
$this->_storage->delete($destPath);
}