/**
* Serializes and then hashes an array of operations that are applied to an image
*
* @param array $operations
* @return string
*/
public static function hashOperations($operations)
{
return StorageUtils::hashOperations($operations);
}
/**
* testHashOperations
*
* @return void
*/
public function testHashOperations()
{
$result = StorageUtils::hashOperations(array('mode' => 'inbound', 'width' => 80, 'height' => 80));
$this->assertEquals($result, '8c70933e');
}
/**
* Removes versions for a given image record
*
* @param Event $Event
* @return void
*/
protected function _removeVersions(Event $Event)
{
if ($this->_checkEvent($Event)) {
$Storage = $Event->data['storage'];
$record = $Event->data['record'];
foreach ($Event->data['operations'] as $version => $operations) {
$hash = StorageUtils::hashOperations($operations);
$string = $this->_buildPath($record, true, $hash);
if ($this->adapterClass === 'AmazonS3' || $this->adapterClass === 'AwsS3') {
$string = str_replace('\\', '/', $string);
}
try {
if ($Storage->has($string)) {
$Storage->delete($string);
}
} catch (\Exception $e) {
$this->log($e->getMessage());
}
}
$Event->stopPropagation();
}
}
