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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\PhpEtlBundle\Entity\EtlExecution; |
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use Oliverde8\PhpEtlBundle\Exception\UnknownChainException; |
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use Oliverde8\PhpEtlBundle\Factory\ChainFactory; |
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use Oliverde8\PhpEtlBundle\Repository\EtlExecutionRepository; |
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class ChainProcessorsManager |
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{ |
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protected EtlExecutionRepository $etlExecutionRepository; |
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protected LoggerFactory $loggerFactory; |
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protected ChainFactory $chainFactory; |
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protected array $definitions; |
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protected array $rewDefinitions; |
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public function __construct( |
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EtlExecutionRepository $etlExecutionRepository, |
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LoggerFactory $loggerFactory, |
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ChainFactory $chainFactory, |
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array $definitions, |
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array $rawDefinitions |
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) { |
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$this->etlExecutionRepository = $etlExecutionRepository; |
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$this->loggerFactory = $loggerFactory; |
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$this->chainFactory = $chainFactory; |
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$this->definitions = $definitions; |
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$this->rewDefinitions = $rawDefinitions; |
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} |
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/** |
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* @throws UnknownChainException |
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*/ |
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public function getRawDefinition(string $chainName): string |
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{ |
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if (!isset($this->rewDefinitions[$chainName])) { |
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$alternatives = []; |
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foreach (array_keys($this->rewDefinitions) as $knownId) { |
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$lev = levenshtein($chainName, $knownId); |
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if ($lev <= \strlen($chainName) / 3 || str_contains($knownId, $chainName)) { |
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$alternatives[] = $knownId; |
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} |
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} |
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throw new UnknownChainException("Unknown chain '$chainName', did you mean: " . implode(", ", $alternatives)); |
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} |
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return $this->rewDefinitions[$chainName]; |
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} |
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public function getRewDefinitions(): array |
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{ |
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return $this->rewDefinitions; |
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} |
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public function getProcessor(string $chainName, array $options): ChainProcessor |
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{ |
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$this->getRawDefinition($chainName); |
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$definition = $this->definitions[$chainName]; |
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$chain = $definition['chain']; |
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$maxAsynchronousItems = $definition['maxAsynchronousItems'] ?? 20; |
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$defaultOptions = $definition['defaultOptions'] ?? []; |
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$options = array_merge($defaultOptions, $options); |
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return $this->chainFactory->create($chain, $options, $maxAsynchronousItems); |
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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 iterable $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, iterable $iterator, array $params) |
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{ |
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$definition = $this->getRawDefinition($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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*/ |
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public function executeFromEtlEntity(EtlExecution $execution, iterable $iterator = null): void |
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{ |
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$chainName = $execution->getName(); |
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$logger = $this->loggerFactory->get($execution); |
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try { |
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// Update execution object with new status. |
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$execution->setStatus(EtlExecution::STATUS_RUNNING); |
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$execution->setStartTime(new \DateTime()); |
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$execution->setWaitTime(time() - $execution->getCreateTime()->getTimestamp()); |
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$this->etlExecutionRepository->save($execution); |
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// Build the processor. |
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$params = json_decode($execution->getInputOptions(), true); |
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$processor = $this->getProcessor($chainName, $params); |
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if (is_null($iterator)) { |
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$iterator = new \ArrayIterator(json_decode($execution->getInputData(), true)); |
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} |
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$params['etl'] = [ |
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'chain' => $chainName, |
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'startTime' => new \DateTime(), |
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'execution' => $execution |
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]; |
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// Start the process. |
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$processor->process($iterator, $params); |
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$execution = $this->etlExecutionRepository->find($execution->getId()); |
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$execution->setStatus(EtlExecution::STATUS_SUCCESS); |
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} catch (\Throwable $exception) { |
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$execution = $this->etlExecutionRepository->find($execution->getId()); |
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$execution->setFailTime(new \DateTime()); |
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$execution->setStatus(EtlExecution::STATUS_FAILURE); |
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$execution->setErrorMessage($this->getFullExceptionTrace($exception)); |
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throw $exception; |
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} finally { |
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$execution->setEndTime(new \DateTime()); |
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$execution->setRunTime(time() - $execution->getStartTime()->getTimestamp()); |
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$execution->setStepStats('[]'); // To be developped |
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$this->etlExecutionRepository->save($execution); |
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} |
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} |
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protected function getFullExceptionTrace(\Throwable $exception): string |
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{ |
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$message = ''; |
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do { |
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$message .= $exception->getMessage() . "\n" . $exception->getTraceAsString() . "\n\n"; |
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} while ($exception = $exception->getPrevious()); |
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return $message; |
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} |
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} |
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oliverde8 /
phpEtlBundle
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