/**
* Do the dirty work of backing up an image row and its file
* (if $wgSaveDeletedFiles is on) and removing the originals.
*
* Must be run while the file store is locked and a database
* transaction is open to avoid race conditions.
*
* @return FSTransaction
*/
private function prepareDeleteVersion($path, $reason, $table, $fieldMap, $where, $suppress = false, $fname)
{
global $wgUser, $wgSaveDeletedFiles;
// Dupe the file into the file store
if (file_exists($path)) {
if ($wgSaveDeletedFiles) {
$group = 'deleted';
$store = FileStore::get($group);
$key = FileStore::calculateKey($path, $this->extension);
$transaction = $store->insert($key, $path, FileStore::DELETE_ORIGINAL);
} else {
$group = null;
$key = null;
$transaction = FileStore::deleteFile($path);
}
} else {
wfDebug(__METHOD__ . " deleting already-missing '{$path}'; moving on to database\n");
$group = null;
$key = null;
$transaction = new FSTransaction();
// empty
}
if ($transaction === false) {
// Fail to restore?
wfDebug(__METHOD__ . ": import to file store failed, aborting\n");
throw new MWException("Could not archive and delete file {$path}");
return false;
}
// Bitfields to further supress the image content
// Note that currently, live images are stored elsewhere
// and cannot be partially deleted
$bitfield = 0;
if ($suppress) {
$bitfield |= self::DELETED_FILE;
$bitfield |= self::DELETED_COMMENT;
$bitfield |= self::DELETED_USER;
$bitfield |= self::DELETED_RESTRICTED;
}
$dbw = wfGetDB(DB_MASTER);
$storageMap = array('fa_storage_group' => $dbw->addQuotes($group), 'fa_storage_key' => $dbw->addQuotes($key), 'fa_deleted_user' => $dbw->addQuotes($wgUser->getId()), 'fa_deleted_timestamp' => $dbw->timestamp(), 'fa_deleted_reason' => $dbw->addQuotes($reason), 'fa_deleted' => $bitfield);
$allFields = array_merge($storageMap, $fieldMap);
try {
if ($wgSaveDeletedFiles) {
$dbw->insertSelect('filearchive', $table, $allFields, $where, $fname);
}
$dbw->delete($table, $where, $fname);
} catch (DBQueryError $e) {
// Something went horribly wrong!
// Leave the file as it was...
wfDebug(__METHOD__ . ": database error, rolling back file transaction\n");
$transaction->rollback();
throw $e;
}
return $transaction;
}
