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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 Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use ServiceBus\Storage\Common\DatabaseAdapter; |
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use ServiceBus\Storage\Common\QueryExecutor; |
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use function Amp\call; |
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use function ServiceBus\Common\invokeReflectionMethod; |
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use function ServiceBus\Common\readReflectionPropertyValue; |
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/** |
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* Migrations executor |
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*/ |
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final class SqlMigrationProcessor |
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{ |
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private const DIRECTION_UP = 'up'; |
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private const DIRECTION_DOWN = 'down'; |
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/** |
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* @var DatabaseAdapter |
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*/ |
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private $storage; |
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/** @var SqlMigrationLoader */ |
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private $migrationsLoader; |
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/** @var LoggerInterface */ |
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private $logger; |
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public function __construct(DatabaseAdapter $storage, SqlMigrationLoader $migrationsLoader, ?LoggerInterface $logger = null) |
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{ |
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$this->storage = $storage; |
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$this->migrationsLoader = $migrationsLoader; |
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$this->logger = $logger ?? new NullLogger(); |
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} |
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/** |
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* @return Promise<int> |
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* |
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* @throws \RuntimeException Incorrect migration file |
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* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions |
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* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed |
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* @throws \ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed |
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* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed |
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*/ |
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public function up(): Promise |
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{ |
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return $this->process(self::DIRECTION_UP); |
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} |
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/** |
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* @return Promise<int> |
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* |
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* @throws \RuntimeException Incorrect migration file |
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* @throws \ServiceBus\Storage\Common\Exceptions\InvalidConfigurationOptions |
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* @throws \ServiceBus\Storage\Common\Exceptions\ConnectionFailed |
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* @throws \ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed |
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* @throws \ServiceBus\Storage\Common\Exceptions\StorageInteractingFailed |
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*/ |
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public function down(): Promise |
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{ |
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return $this->process(self::DIRECTION_DOWN); |
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} |
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/** |
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* Performing migrations in a given direction (up / down) |
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* |
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* @return Promise<int> |
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*/ |
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private function process(string $direction): Promise |
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{ |
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return call( |
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function () use ($direction): \Generator |
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{ |
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/** @var \ServiceBus\Storage\Common\Transaction $transaction */ |
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$transaction = yield $this->storage->transaction(); |
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try |
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{ |
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$executedQueries = 0; |
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/** |
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* @psalm-var array<string, \ServiceBus\Storage\Sql\Migration\Migration> $migrations |
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*/ |
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$migrations = yield $this->migrationsLoader->load(); |
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yield $transaction->execute( |
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'CREATE TABLE IF NOT EXISTS migration ( version varchar NOT NULL );' |
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); |
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/** |
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* @var string $version |
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* @var Migration $migration |
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*/ |
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foreach ($migrations as $version => $migration) |
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{ |
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/** |
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* @var \ServiceBus\Storage\Common\ResultSet $resultSet |
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*/ |
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$resultSet = yield $transaction->execute( |
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'INSERT INTO migration (version) VALUES (?) ON CONFLICT DO NOTHING', |
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[$version] |
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); |
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/** Миграция была добавлена ранее */ |
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if ($resultSet->affectedRows() === 0) |
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{ |
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$this->logger->debug('Skip "{version}" migration', ['version' => $version]); |
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continue; |
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} |
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invokeReflectionMethod($migration, $direction); |
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/** @var string[] $queries */ |
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$queries = readReflectionPropertyValue($migration, 'queries'); |
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/** @var array $parameters */ |
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$parameters = readReflectionPropertyValue($migration, 'params'); |
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foreach ($queries as $query) |
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{ |
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/** @psalm-var array<array-key, string|int|float|null> $queryParameters */ |
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$queryParameters = $parameters[\sha1($query)] ?? []; |
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yield $transaction->execute($query, $queryParameters); |
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$executedQueries++; |
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} |
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} |
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yield $transaction->commit(); |
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return $executedQueries; |
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} |
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catch (\Throwable $throwable) |
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{ |
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yield $transaction->rollback(); |
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throw $throwable; |
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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
