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doctrine2/lib/Doctrine/Migration/Diff.php
2008-01-25 03:18:51 +00:00

155 lines
5.0 KiB
PHP

<?php
/*
* $Id: Diff.php 1080 2007-02-10 18:17:08Z jwage $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.org>.
*/
/**
* Doctrine_Migration_Diff
*
* @package Doctrine
* @subpackage Migration
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision: 1080 $
* @author Jonathan H. Wage <jonwage@gmail.com>
*/
class Doctrine_Migration_Diff
{
protected $_from,
$_to,
$_changes = array(),
$_migrationsPath;
public function __construct($from = null, $to = null)
{
$this->_from = $from;
$this->_to = $to;
}
protected function getUniqueId()
{
return md5($this->_from.$this->_to);
}
public function setMigrationsPath($migrationsPath)
{
$this->_migrationsPath = $migrationsPath;
}
public function generate()
{
$from = $this->_generateModels('From', $this->_from);
$to = $this->_generateModels('To', $this->_to);
$differences = $this->_diff($from, $to);
print_r($differences);
}
protected function _diff($from, $to)
{
$fromTmpPath = sys_get_temp_dir() . $this->getUniqueId() . '_from';
$toTmpPath = sys_get_temp_dir() . $this->getUniqueId() . '_to';
if ( ! file_exists($fromTmpPath)) {
$fromModels = Doctrine::loadModels($from);
$fromInfo = $this->_buildModelInformation($fromModels);
file_put_contents($fromTmpPath, serialize($fromInfo));
} else {
if ( ! file_exists($toTmpPath)) {
$toModels = Doctrine::loadModels($to);
$toInfo = $this->_buildModelInformation($toModels);
file_put_contents($toTmpPath, serialize($toInfo));
} else {
$fromInfo = unserialize(file_get_contents($fromTmpPath));
$toInfo = unserialize(file_get_contents($toTmpPath));
$this->_buildChanges($fromInfo, $toInfo);
// clean up
unlink($fromTmpPath);
unlink($toTmpPath);
Doctrine_Lib::removeDirectories(sys_get_temp_dir() . 'from_doctrine_tmp_dirs');
Doctrine_Lib::removeDirectories(sys_get_temp_dir() . 'to_doctrine_tmp_dirs');
}
}
}
protected function _buildChanges($from, $to)
{
foreach ($to as $key => $model) {
$columns = $model['columns'];
foreach ($columns as $columnKey => $column) {
//if (isset($to[$key]['columns'][$columnKey]))
}
}
}
protected function _buildModelInformation(array $models)
{
$info = array();
foreach ($models as $key => $model) {
$info[$model] = Doctrine::getTable($model)->getExportableFormat();
}
return $info;
}
protected function _generateModels($prefix, $item)
{
$path = sys_get_temp_dir() . $prefix . '_doctrine_tmp_dirs';
if ( is_dir($item)) {
$files = glob($item . DIRECTORY_SEPARATOR . '*.*');
if (isset($files[0])) {
$pathInfo = pathinfo($files[0]);
$extension = $pathInfo['extension'];
}
if ($extension === 'yml') {
Doctrine::generateModelsFromYaml($item, $path);
return $path;
} else if ($extension === 'php') {
Doctrine_Lib::copyDirectory($item, $path);
return $path;
} else {
throw new Doctrine_Migration_Exception('No php or yml files found at path: "' . $item . '"');
}
} else {
try {
$connection = Doctrine_Manager::getInstance()->getConnection($item);
Doctrine::generateModelsFromDb($path, array($item));
return $path;
} catch (Exception $e) {
throw new Doctrine_Migration_Exception('Could not generate models from connection: ' . $e->getMessage());
}
}
}
}