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<?php |
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namespace Oliverde8\PhpEtlBundle\Services; |
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use Oliverde8\Component\PhpEtl\ChainProcessor; |
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use Oliverde8\Component\PhpEtl\Exception\ChainOperationException; |
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use Oliverde8\Component\PhpEtl\Item\DataItem; |
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use Oliverde8\Component\PhpEtl\Item\DataItemInterface; |
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use Oliverde8\PhpEtlBundle\Entity\EtlExecution; |
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use Oliverde8\PhpEtlBundle\Repository\EtlExecutionRepository; |
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use Psr\Container\ContainerInterface; |
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use Psr\Log\LoggerInterface; |
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class ChainProcessorsManager |
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{ |
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/** @var ContainerInterface */ |
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protected $container; |
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/** @var EtlExecutionRepository */ |
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protected $etlExecutionRepository; |
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/** @var ChainExecutionLogger */ |
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protected $chainExecutionLogger; |
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/** @var LoggerInterface */ |
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protected $logger; |
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/** @var array */ |
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protected $definitions; |
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/** |
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* ChainProcessorsManager constructor. |
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* @param ContainerInterface $container |
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* @param EtlExecutionRepository $etlExecutionRepository |
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* @param array $definitions |
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*/ |
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public function __construct( |
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ContainerInterface $container, |
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EtlExecutionRepository $etlExecutionRepository, |
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ChainExecutionLogger $chainExecutionLogger, |
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LoggerInterface $logger, |
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array $definitions |
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) { |
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$this->container = $container; |
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$this->etlExecutionRepository = $etlExecutionRepository; |
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$this->chainExecutionLogger = $chainExecutionLogger; |
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$this->logger = $logger; |
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$this->definitions = $definitions; |
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} |
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public function getDefinition(string $chainName): string |
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{ |
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return $this->definitions[$chainName]; |
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} |
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public function getDefinitions(): array |
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{ |
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return $this->definitions; |
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} |
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public function getProcessor(string $chainName): ChainProcessor |
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{ |
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// TODO Think about either creating the processor & runtime or injecting them into the constructor like the definitions. |
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return $this->container->get("oliverde8.etl.chain.$chainName"); |
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} |
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/** |
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* Execute a particular chanin |
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* |
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* @param string $chainName |
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* @param $iterator |
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* @param array $params |
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* |
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* @throws \Exception |
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*/ |
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public function execute(string $chainName, $iterator, array $params) |
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{ |
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$definition = $this->getDefinition($chainName); |
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$inputData = ["Iterator! Can't show input data"]; |
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if (is_array($iterator)) { |
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$inputData = $iterator; |
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$iterator = new \ArrayIterator($iterator); |
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} |
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$execution = new EtlExecution($chainName, $definition, $inputData, $params); |
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$execution->setStatus(EtlExecution::STATUS_RUNNING); |
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$this->etlExecutionRepository->save($execution); |
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$this->executeFromEtlEntity($execution, $iterator); |
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} |
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/** |
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* Execute a chain from it's entity. |
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* |
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* @param EtlExecution $execution |
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* @param null $iterator |
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* @throws ChainOperationException |
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*/ |
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public function executeFromEtlEntity(EtlExecution $execution, $iterator = null) |
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{ |
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$this->chainExecutionLogger->setCurrentExecution($execution); |
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$chainName = $execution->getName(); |
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$processor = $this->getProcessor($chainName); |
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$params = json_decode($execution->getInputOptions()); |
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if (is_null($iterator)) { |
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$iterator = new \ArrayIterator(json_decode($execution->getInputData())); |
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} |
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$execution->setStatus(EtlExecution::STATUS_RUNNING); |
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$execution->setStartTime(new \DateTime()); |
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$this->etlExecutionRepository->save($execution); |
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$params['etl'] = ['chain' => $chainName, 'startTime' => new \DateTime()]; |
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try { |
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$this->logger->info("Starting etl process!", $params); |
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$processor->process($iterator, $params); |
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$execution->setStatus(EtlExecution::STATUS_SUCCESS); |
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$this->logger->info("Finished etl process!", $params); |
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} catch (\Exception $exception) { |
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$params['exception'] = $exception; |
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$this->logger->info("Failed during etl process!", $params); |
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$execution->setFailTime(new \DateTime()); |
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$execution->setStatus(EtlExecution::STATUS_FAILURE); |
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$execution->setErrorMessage($exception->getMessage() . "\n" . $exception->getTraceAsString()); |
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throw $exception; |
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} finally { |
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$execution->setEndTime(new \DateTime()); |
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$execution->setStepStats('[]'); // To be developped |
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$this->etlExecutionRepository->save($execution); |
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$this->chainExecutionLogger->setCurrentExecution(null); |
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} |
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} |
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} |
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oliverde8 /
phpEtlBundle
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