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<?php |
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namespace TheCodingMachine\TDBM; |
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use BrainDiminished\SchemaVersionControl\SchemaVersionControlService; |
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use Doctrine\Common\Cache\Cache; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Schema\ForeignKeyConstraint; |
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use Doctrine\DBAL\Schema\Schema; |
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use Doctrine\DBAL\Schema\Table; |
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use Mouf\Database\SchemaAnalyzer\SchemaAnalyzer; |
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use TheCodingMachine\TDBM\Utils\ImmutableCaster; |
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use function array_map; |
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use function array_values; |
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use function file_exists; |
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use function hash; |
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use function implode; |
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use function in_array; |
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/** |
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* Load / save schema in the tdbm.lock file. |
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*/ |
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class SchemaLockFileDumper |
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{ |
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private $lockFilePath; |
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private $connection; |
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/** |
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* @var Schema |
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*/ |
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private $schema; |
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/** |
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* @var string |
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*/ |
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private $cachePrefix; |
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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/** |
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* @var SchemaVersionControlService |
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*/ |
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private $schemaVersionControlService; |
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/** |
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* @param Connection $connection The DBAL DB connection to use |
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* @param Cache $cache A cache service to be used |
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* @param string $lockFilePath The path for the lock file which will store the database schema |
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*/ |
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public function __construct(Connection $connection, Cache $cache, string $lockFilePath) |
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{ |
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$this->connection = $connection; |
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$this->cache = $cache; |
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$this->lockFilePath = $lockFilePath; |
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$this->schemaVersionControlService = new SchemaVersionControlService($this->connection, $this->lockFilePath); |
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} |
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/** |
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* Returns a unique ID for the current connection. Useful for namespacing cache entries in the current connection. |
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* |
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* @return string |
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*/ |
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public function getCachePrefix(): string |
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{ |
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if ($this->cachePrefix === null) { |
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$this->cachePrefix = hash('md4', $this->connection->getHost().'-'.$this->connection->getPort().'-'.$this->connection->getDatabase().'-'.$this->connection->getDriver()->getName()); |
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} |
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return $this->cachePrefix; |
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} |
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public function getLockFilePath(): string |
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{ |
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return $this->lockFilePath; |
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} |
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/** |
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* Returns the (cached) schema. |
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*/ |
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public function getSchema(bool $ignoreCache = false): Schema |
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{ |
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if ($this->schema === null) { |
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$cacheKey = $this->getCachePrefix().'_immutable_schema'; |
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if (!$ignoreCache && $this->cache->contains($cacheKey)) { |
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$this->schema = $this->cache->fetch($cacheKey); |
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} elseif (!file_exists($this->getLockFilePath())) { |
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throw new TDBMException('No tdbm lock file found. Please regenerate DAOs and Beans.'); |
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} else { |
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$this->schema = $this->schemaVersionControlService->loadSchemaFile(); |
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ImmutableCaster::castSchemaToImmutable($this->schema); |
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$this->cache->save($cacheKey, $this->schema); |
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} |
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} |
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return $this->schema; |
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} |
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public function generateLockFile(): void |
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{ |
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$this->schemaVersionControlService->dumpSchema(); |
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\chmod($this->getLockFilePath(), 0664); |
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} |
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} |
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thecodingmachine /
tdbm
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