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DeleteFileOp.php
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DeleteFileOp.php
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<?php
/**
* Helper class for representing operations with transaction support.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup FileBackend
*/
namespace Wikimedia\FileBackend\FileOps;
use StatusValue;
use Wikimedia\FileBackend\FileBackend;
/**
* Delete a file at the given storage path from the backend.
* Parameters for this operation are outlined in FileBackend::doOperations().
*/
class DeleteFileOp extends FileOp {
protected function allowedParams() {
return [ [ 'src' ], [ 'ignoreMissingSource' ], [ 'src' ] ];
}
protected function doPrecheck(
FileStatePredicates $opPredicates,
FileStatePredicates $batchPredicates
) {
$status = StatusValue::newGood();
// Check source file existence
$srcExists = $this->resolveFileExistence( $this->params['src'], $opPredicates );
if ( $srcExists === false ) {
if ( $this->getParam( 'ignoreMissingSource' ) ) {
$this->noOp = true; // no-op
// Update file existence predicates (cache 404s)
$batchPredicates->assumeFileDoesNotExist( $this->params['src'] );
return $status; // nothing to do
} else {
$status->fatal( 'backend-fail-notexists', $this->params['src'] );
return $status;
}
} elseif ( $srcExists === FileBackend::EXISTENCE_ERROR ) {
$status->fatal( 'backend-fail-stat', $this->params['src'] );
return $status;
}
// Update file existence predicates since the operation is expected to be allowed to run
$batchPredicates->assumeFileDoesNotExist( $this->params['src'] );
return $status; // safe to call attempt()
}
protected function doAttempt() {
// Delete the source file
return $this->backend->deleteInternal( $this->setFlags( $this->params ) );
}
public function storagePathsChanged() {
return [ $this->params['src'] ];
}
}
/** @deprecated class alias since 1.43 */
class_alias( DeleteFileOp::class, 'DeleteFileOp' );

File Metadata

Mime Type
text/x-php
Expires
Tue, Aug 18, 17:27 (3 w, 3 d ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
29/f7/c2dbad0aa47bb491f4b10c976558
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DeleteFileOp.php (2 KB)

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