/**
* Moves an image from a safe private location
* Caller is responsible for clearing caches
* @param File $oimage
* @returns mixed, string timestamp on success, false on failure
*/
function makeOldImagePublic($oimage)
{
$transaction = new FSTransaction();
if (!FileStore::lock()) {
wfDebug(__METHOD__ . " could not acquire filestore lock\n");
return false;
}
$store = FileStore::get('deleted');
if (!$store) {
wfDebug(__METHOD__ . ": skipping row with no file.\n");
return false;
}
$key = $oimage->sha1 . '.' . $oimage->getExtension();
$destDir = $oimage->getArchivePath();
if (!is_dir($destDir)) {
wfMkdirParents($destDir);
}
$destPath = $destDir . DIRECTORY_SEPARATOR . $oimage->archive_name;
// Check if any other stored revisions use this file;
// if so, we shouldn't remove the file from the hidden
// archives so they will still work. Check hidden files first.
$useCount = $this->dbw->selectField('oldimage', '1', array('oi_sha1' => $oimage->sha1, 'oi_deleted & ' . File::DELETED_FILE => File::DELETED_FILE), __METHOD__, array('FOR UPDATE'));
// Check the rest of the deleted archives too.
// (these are the ones that don't show in the image history)
if (!$useCount) {
$useCount = $this->dbw->selectField('filearchive', '1', array('fa_storage_group' => 'deleted', 'fa_storage_key' => $key), __METHOD__, array('FOR UPDATE'));
}
if ($useCount == 0) {
wfDebug(__METHOD__ . ": nothing else using {$oimage->sha1}, will deleting after\n");
$flags = FileStore::DELETE_ORIGINAL;
} else {
$flags = 0;
}
$transaction->add($store->export($key, $destPath, $flags));
wfDebug(__METHOD__ . ": set db items, applying file transactions\n");
$transaction->commit();
FileStore::unlock();
$m = explode('!', $oimage->archive_name, 2);
$timestamp = $m[0];
return $timestamp;
}
