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<?php |
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/** |
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* SQL databases adapters implementation. |
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* |
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* @author Maksim Masiukevich <[email protected]> |
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* @license MIT |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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declare(strict_types = 1); |
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namespace ServiceBus\Storage\Sql\Migration; |
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use Amp\Promise; |
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use function Amp\call; |
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use function Amp\File\scandir; |
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/** |
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* |
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*/ |
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final class SqlMigrationLoader |
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{ |
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/** @var string */ |
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private $directory; |
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/** |
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* SqlMigrationLoader constructor. |
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* |
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* @param string $directory |
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*/ |
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public function __construct(string $directory) |
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{ |
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$this->directory = $directory; |
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} |
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/** |
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* Creating migration objects and sorting versions |
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* |
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* @return Promise<array<string, \ServiceBus\Storage\Sql\Migration\Migration>> |
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*/ |
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public function load(): Promise |
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{ |
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return call( |
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function(): \Generator |
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{ |
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$migrations = []; |
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/** @var \SplFileInfo[] $supportedFiles */ |
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$supportedFiles = yield from $this->loadFiles(); |
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foreach($supportedFiles as $file) |
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{ |
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/** |
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* @psalm-suppress UnresolvableInclude |
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* @noinspection PhpIncludeInspection |
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*/ |
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include_once (string) $file; |
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/** @var string $name */ |
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$name = $file->getBasename('.' . $file->getExtension()); |
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$version = (string) \substr($name, 7); |
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/** @psalm-var class-string<\ServiceBus\Storage\Sql\Migration\Migration> $class */ |
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$class = \sprintf('\%s', $name); |
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$migration = new $class; |
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if(($migration instanceof Migration) === false) |
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{ |
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throw new \RuntimeException( |
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\sprintf('Migration must extend `%s` class', Migration::class) |
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); |
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} |
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$migrations[$version] = new $class; |
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} |
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\ksort($migrations); |
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return $migrations; |
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} |
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); |
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} |
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/** |
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* Getting list of migration files |
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* |
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* @return Promise<\SplFileInfo[]> |
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*/ |
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private function loadFiles(): Promise |
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{ |
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return call( |
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function(): \Generator |
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{ |
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/** @var string[] $files */ |
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$files = yield scandir($this->directory); |
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return \array_filter( |
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\array_map( |
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function(string $fileName): ?\SplFileInfo |
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{ |
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return \strpos($fileName, 'Version') !== false |
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? new \SplFileInfo($this->directory . '/' . $fileName) |
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: null; |
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}, |
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$files |
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) |
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); |
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} |
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); |
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} |
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} |
php-service-bus /
storage
