/**
* Scan for all versions
*
* @param string $dir Directory to scan
*
* @return ItemInterface[]
*/
public static function scanForVersions($dir)
{
$versions = [];
$iterator = new DirectoryIterator($dir);
foreach ($iterator as $fileinfo) {
$filename = $fileinfo->getFilename();
if (!$fileinfo->isDir() || $fileinfo->isDot() || !VersionCollection::isCorrectVersion($filename)) {
continue;
}
$versions[] = VersionCollection::createItem($filename);
}
return $versions;
}
/**
* Get latest completed migration version
*
* @param array $options Applications options
* @return ItemInterface
*/
public static function getCurrentVersion($options)
{
self::connectionSetup($options);
if (isset($options['migrationsInDb']) && (bool) $options['migrationsInDb']) {
/** @var AdapterInterface $connection */
$connection = self::$_storage;
$lastGoodMigration = $connection->query('SELECT * FROM ' . self::MIGRATION_LOG_TABLE . ' ORDER BY version DESC LIMIT 1');
if (0 == $lastGoodMigration->numRows()) {
return VersionCollection::createItem(null);
} else {
$lastGoodMigration = $lastGoodMigration->fetchArray();
return VersionCollection::createItem($lastGoodMigration['version']);
}
} else {
// Get and clean migration
$version = file_exists(self::$_storage) ? file_get_contents(self::$_storage) : null;
$version = trim($version) ?: null;
return VersionCollection::createItem($version);
}
}
