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<?php |
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namespace TreeHouse\IoBundle\Import; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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use TreeHouse\Feeder\Feed; |
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use TreeHouse\IoBundle\Entity\ImportPart; |
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use TreeHouse\IoBundle\Entity\ImportRepository; |
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use TreeHouse\IoBundle\Import\Event\ImporterEvent; |
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use TreeHouse\IoBundle\Import\Event\ImportEvent; |
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use TreeHouse\IoBundle\Import\Importer\Importer; |
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use TreeHouse\IoBundle\Import\Processor\ProcessorInterface; |
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class ImportJob implements LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @var ImportPart |
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*/ |
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protected $part; |
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/** |
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* @var Feed |
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*/ |
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protected $feed; |
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/** |
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* @var ProcessorInterface |
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*/ |
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protected $processor; |
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/** |
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* @var Importer |
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*/ |
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protected $importer; |
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/** |
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* @var ImportRepository |
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*/ |
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protected $repository; |
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/** |
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* @param ImportPart $part |
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* @param Feed $feed |
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* @param ProcessorInterface $processor |
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* @param Importer $importer |
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* @param ImportRepository $repository |
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* |
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* @throws \RuntimeException When the import or the part has already finished |
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*/ |
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public function __construct( |
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ImportPart $part, |
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Feed $feed, |
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ProcessorInterface $processor, |
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Importer $importer, |
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ImportRepository $repository |
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) { |
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$this->feed = $feed; |
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$this->part = $part; |
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$this->processor = $processor; |
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$this->importer = $importer; |
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$this->repository = $repository; |
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$this->logger = new NullLogger(); |
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$import = $part->getImport(); |
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// check if import has already finished |
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if ($import->isFinished()) { |
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throw new \RuntimeException(sprintf('Import %d has already finished', $import->getId())); |
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} |
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// check if this part has already finished |
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if ($part->isFinished()) { |
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throw new \RuntimeException( |
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sprintf('Part %d of import %d has already finished', $part->getPosition(), $import->getId()) |
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); |
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} |
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} |
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/** |
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* @return ImportResult |
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*/ |
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public function run() |
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{ |
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$import = $this->part->getImport(); |
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// part is not finished, maybe it's already started/running |
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if ($this->part->isStarted()) { |
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$this->processor->checkProcessing($this->part); |
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$this->logger->warning( |
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sprintf( |
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'Part %d of import %d has already started, but the process (%s) is no longer running. ' . |
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'Resuming the part now.', |
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$this->part->getPosition(), |
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$import->getId(), |
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$this->part->getProcess() |
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) |
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); |
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} |
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// start import if necessary |
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if (!$import->isStarted()) { |
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$this->importer->dispatchEvent(ImportEvents::IMPORT_START, new ImportEvent($import)); |
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$this->repository->startImport($import); |
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} |
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try { |
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$this->start(); |
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$this->importer->run($this->feed); |
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} catch (\Exception $e) { |
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// log the error |
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$this->logger->error($e->getMessage()); |
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$this->logger->debug($e->getTraceAsString()); |
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// check if we have any retries left |
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if ($this->part->getRetries() > 0) { |
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// mark as unstarted and bail out |
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$this->retry(); |
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return null; |
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} else { |
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$this->fail($e->getMessage()); |
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} |
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} |
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$this->repository->addResult($import, $this->importer->getResult()); |
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$this->finish(); |
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return $this->importer->getResult(); |
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} |
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/** |
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* Starts the import part. |
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*/ |
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protected function start() |
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{ |
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$this->processor->markProcessing($this->part); |
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$this->repository->startImportPart($this->part); |
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$this->importer->dispatchEvent(ImportEvents::PART_START, new ImporterEvent($this->part, $this->importer)); |
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} |
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/** |
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* @throws \RuntimeException When the part has not started yet |
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*/ |
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protected function finish() |
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{ |
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$this->logger->debug( |
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sprintf( |
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'Finishing part %d on position %d for import %d', |
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$this->part->getId(), |
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$this->part->getPosition(), |
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$this->part->getImport()->getId() |
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) |
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); |
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$this->repository->finishImportPart($this->part); |
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$this->importer->dispatchEvent(ImportEvents::PART_FINISH, new ImporterEvent($this->part, $this->importer)); |
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// if this is the last part, end the import also |
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$import = $this->part->getImport(); |
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if (!$this->repository->importHasUnfinishedParts($import)) { |
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$this->repository->finishImport($import); |
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$this->importer->dispatchEvent(ImportEvents::IMPORT_FINISH, new ImportEvent($import)); |
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} |
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} |
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/** |
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* @throws \RuntimeException |
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*/ |
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protected function retry() |
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{ |
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$retriesLeft = $this->part->getRetries(); |
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if ($retriesLeft < 1) { |
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throw new \RuntimeException('No more retries left!'); |
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} |
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$this->part->setRetries(--$retriesLeft); |
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$this->part->setDatetimeEnded(null); |
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$this->part->setProcess(null); |
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$this->repository->savePart($this->part); |
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} |
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/** |
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* @param string $message |
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*/ |
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protected function fail($message) |
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{ |
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// log the error |
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$this->part->setError($message); |
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$this->logger->error( |
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sprintf( |
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'Importing part %d of import %d failed with message: %s', |
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$this->part->getPosition(), |
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$this->part->getImport()->getId(), |
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$message |
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) |
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); |
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} |
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} |
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treehouselabs /
io-bundle
