public function startMigration($versionName, $action = 'up', $params = array(), $force = false)
{
/* @global $APPLICATION \CMain */
global $APPLICATION;
if (isset($this->restarts[$versionName])) {
unset($this->restarts[$versionName]);
}
try {
$action = $action == 'up' ? 'up' : 'down';
$meta = $this->getVersionMeta($versionName);
if (!$meta || empty($meta['class'])) {
throw new MigrationException('failed to initialize migration');
}
if (!$force) {
if ($action == 'up' && $meta['status'] != 'new') {
throw new MigrationException('migration already up');
}
if ($action == 'down' && $meta['status'] != 'installed') {
throw new MigrationException('migration already down');
}
}
/** @var $versionInstance Version */
$versionInstance = new $meta['class']();
$versionInstance->setParams($params);
if ($action == 'up') {
$ok = $versionInstance->up();
} else {
$ok = $versionInstance->down();
}
if ($APPLICATION->GetException()) {
throw new MigrationException($APPLICATION->GetException()->GetString());
}
if ($ok === false) {
throw new MigrationException('migration returns false');
}
if ($action == 'up') {
$ok = $this->addRecord($versionName);
} else {
$ok = $this->removeRecord($versionName);
}
if ($ok === false) {
throw new MigrationException('unable to write migration to the database');
}
Out::out('%s (%s) success', $versionName, $action);
return true;
} catch (RestartException $e) {
$this->restarts[$versionName] = isset($versionInstance) ? $versionInstance->getParams() : array();
} catch (MigrationException $e) {
Out::outError('%s (%s) error: %s', $versionName, $action, $e->getMessage());
} catch (\Exception $e) {
Out::outError('%s (%s) error: %s', $versionName, $action, $e->getMessage());
}
return false;
}
public function createMigrationFile($description = '')
{
$description = preg_replace("/\r\n|\r|\n/", '<br/>', $description);
$description = strip_tags($description);
$description = addslashes($description);
$originTz = date_default_timezone_get();
date_default_timezone_set('Europe/Moscow');
$version = 'Version' . date('YmdHis');
date_default_timezone_set($originTz);
$str = $this->renderVersionFile(array('version' => $version, 'description' => $description));
$file = $this->getFileName($version);
file_put_contents($file, $str);
if (is_file($file)) {
Out::out('%s created', $version);
return $version;
} else {
Out::out('%s, error: can\'t create a file "%s"', $version, $file);
return false;
}
}
