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<?php
/**
* FusionForge Generic Storage Class
*
* Copyright (C) 2011 Alain Peyrat - Alcatel-Lucent
* Copyright 2012, Franck Villaume - TrivialDev
*
* This file is part of FusionForge. FusionForge 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 Licence, or (at your option)
* any later version.
*
* FusionForge 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 FusionForge; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* Standard Alcatel-Lucent disclaimer for contributing to open source
*
* "The Artifact ("Contribution") has not been tested and/or
* validated for release as or in products, combinations with products or
* other commercial use. Any use of the Contribution is entirely made at
* the user's own responsibility and the user can not rely on any features,
* functionalities or performances Alcatel-Lucent has attributed to the
* Contribution.
*
* THE CONTRIBUTION BY ALCATEL-LUCENT IS PROVIDED AS IS, WITHOUT WARRANTY
* OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, COMPLIANCE,
* NON-INTERFERENCE AND/OR INTERWORKING WITH THE SOFTWARE TO WHICH THE
* CONTRIBUTION HAS BEEN MADE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* ALCATEL-LUCENT BE LIABLE FOR ANY DAMAGES OR OTHER LIABLITY, WHETHER IN
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* CONTRIBUTION OR THE USE OR OTHER DEALINGS IN THE CONTRIBUTION, WHETHER
* TOGETHER WITH THE SOFTWARE TO WHICH THE CONTRIBUTION RELATES OR ON A STAND
* ALONE BASIS."
*/
class Storage extends Error {
protected static $_instance;
var $pending_store = array();
var $pending_delete = array();
function store($key, $file) {
$storage = $this->get_storage($key);
$dir = dirname($storage);
if (!is_dir($dir)) {
if (!mkdir( $dir, 0755, true)) {
$this->setError(_('Cannot create directory:').' '.$dir);
return false;
}
}
$this->pending_store[] = $storage;
if (is_file($file) && is_dir($dir)) {
$ret = rename($file, $storage);
if (!$ret) {
$this->setError(sprintf(_('File %1$s cannot be moved to the permanent location: %2$s.'), $file, $storage));
return false;
}
} else {
$this->setError(sprintf(_('Not a File %1$s or not a directory %2$s.'), $file, $dir));
return false;
}
return $this;
}
function get($key) {
return $this->get_storage($key);
}
function delete($key) {
$this->pending_delete[] = $this->get_storage($key);
return self::$_instance;
}
function deleteFromQuery($query, $params) {
$res = db_query_params($query, $params);
while($row = db_fetch_array($res)) {
$this->delete($row['id']);
}
}
function commit() {
foreach ($this->pending_delete as $f) {
rename($f, "$f.removed");
touch("$f.removed");
}
$this->pending_store = array();
$this->pending_delete = array();
}
function rollback() {
foreach ($this->pending_store as $f) {
unlink($f);
}
$this->pending_store = array();
$this->pending_delete = array();
}
function get_storage($key) {
$key = dechex($key);
$pre = substr($key, strlen($key)-2);
$last = substr($key, 0, strlen($key)-2);
if (!$last) $last = '0';
return $this->get_storage_path().'/'.$pre.'/'.$last;
}
}
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