doc.silverstripe.org/sapphire/filesystem/FlushGeneratedImagesTask.php
2011-04-10 21:53:26 +00:00

44 lines
1.1 KiB
PHP

<?php
/**
* Remove all cached/generated images that have been created as the result of a manipulation method being called on a
* {@link Image} object
*
* @package sapphire
* @subpackage filesystem
*/
class FlushGeneratedImagesTask extends BuildTask {
protected $title = 'Flush Generated Images Task';
protected $description = 'Remove all cached/generated images created as the result of an image manipulation';
/**
* Check that the user has appropriate permissions to execute this task
*/
public function init() {
if(!Director::is_cli() && !Director::isDev() && !Permission::check('ADMIN')) {
return Security::permissionFailure();
}
parent::init();
}
/**
* Actually clear out all the images
*/
public function run($request) {
$processedImages = 0;
$removedItems = 0;
if($images = DataObject::get('Image')) foreach($images as $image) {
if($deleted = $image->deleteFormattedImages()) {
$removedItems += $deleted;
}
$processedImages++;
}
echo "Removed $removedItems generated images from $processedImages Image objects stored in the Database.";
}
}