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<?php |
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/* |
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* This file is part of the Veslo project <https://github.com/symfony-doge/veslo>. |
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* |
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* (C) 2019 Pavel Petrov <[email protected]>. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @license https://opensource.org/licenses/GPL-3.0 GPL-3.0 |
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*/ |
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declare(strict_types=1); |
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namespace Veslo\AnthillBundle\Vacancy\Collector; |
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use Closure; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\Serializer\Normalizer\NormalizerInterface; |
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use Veslo\AnthillBundle\Dto\Vacancy\Collector\AcceptanceDto; |
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use Veslo\AnthillBundle\Dto\Vacancy\Parser\ParsedDto; |
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use Veslo\AnthillBundle\Vacancy\Creator; |
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use Veslo\AnthillBundle\Vacancy\DecisionInterface; |
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use Veslo\AppBundle\Workflow\Vacancy\PitInterface; |
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use Veslo\AppBundle\Workflow\Vacancy\Worker\Iteration; |
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use Veslo\AppBundle\Workflow\Vacancy\WorkerInterface; |
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/** |
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* Collects dung (vacancies) from queue and persists in local storage |
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* |
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* | | |
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* \ / |
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* \_/ |
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* __ /^\ __ |
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* ' `. \_/ ,' ` |
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* \/ \/ |
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* _,--./| |\.--._ |
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* _,' _.-\_/-._ `._ |
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* | / \ | |
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* | / \ | |
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* / | | \ |
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* -' \___/ `- |
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*/ |
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class AntWorker implements WorkerInterface |
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{ |
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/** |
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* Logger as it is |
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* |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* Converts an object into a set of arrays/scalars |
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* |
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* @var NormalizerInterface |
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*/ |
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private $normalizer; |
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/** |
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* Decision that should be checked for raw vacancy data if it can be collected or not |
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* |
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* @var DecisionInterface |
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*/ |
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private $decision; |
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/** |
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* Creates and persists a new vacancy instance in local storage |
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* |
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* @var Creator |
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*/ |
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private $vacancyCreator; |
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/** |
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* Storage for collected vacancy from website-provider |
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* Destination place in which result of worker action will be persisted |
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* |
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* @var PitInterface |
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*/ |
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private $destination; |
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/** |
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* AntWorker constructor. |
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* |
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* @param LoggerInterface $logger Logger as it is |
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* @param NormalizerInterface $normalizer Converts an object into a set of arrays/scalars |
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* @param DecisionInterface $decision Decision that should be applied to vacancy data for collecting |
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* @param Creator $vacancyCreator Creates and persists a new vacancy instance in local storage |
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* @param PitInterface $destination Storage for collected vacancy from website-provider (workflow queue) |
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*/ |
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public function __construct( |
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LoggerInterface $logger, |
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NormalizerInterface $normalizer, |
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DecisionInterface $decision, |
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Creator $vacancyCreator, |
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PitInterface $destination |
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) { |
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$this->logger = $logger; |
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$this->normalizer = $normalizer; |
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$this->decision = $decision; |
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$this->vacancyCreator = $vacancyCreator; |
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$this->destination = $destination; |
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} |
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/** |
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* Performs dung (vacancies) collecting from specified source {$iterations} times |
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* |
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* @param PitInterface $pit Parsed vacancy data storage |
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* @param int $iterations Collecting iterations count, at least one expected |
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* |
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* @return int Successful collect iterations count |
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*/ |
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public function collect(PitInterface $pit, int $iterations = 1): int |
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{ |
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$sourceName = get_class($pit); |
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$this->logger->debug('Collecting started.', ['source' => $sourceName, 'iterations' => $iterations]); |
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$iteration = Closure::fromCallable([$this, 'collectIteration']); |
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$iterationLoop = new Iteration\Loop($this, $iteration, 'An error has been occurred during vacancy collecting.'); |
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$successfulIterations = $iterationLoop->execute($pit, $iterations); |
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$this->logger->debug( |
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'Collecting completed.', |
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[ |
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'source' => $sourceName, |
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'iterations' => $iterations, |
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'successful' => $successfulIterations, |
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] |
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); |
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return $successfulIterations; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getLogger(): ?LoggerInterface |
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{ |
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return $this->logger; |
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} |
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/** |
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* Returns positive if vacancy is successfully collected |
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* Builds and sends a payload to conveyor for further processing according to configured workflow |
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* |
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* @param PitInterface $pit Parsed vacancy data storage |
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* |
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* @return bool Positive, if vacancy data has been successfully collected, negative otherwise |
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*/ |
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private function collectIteration(PitInterface $pit): bool |
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{ |
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$sourceName = get_class($pit); |
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/** @var ParsedDto $scanResult */ |
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$scanResult = $pit->poll(); |
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if (!$scanResult instanceof ParsedDto) { |
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$this->logger->debug( |
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'No more vacancies to collect.', |
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[ |
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'source' => $sourceName, |
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'input' => gettype($scanResult), |
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] |
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); |
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return false; |
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} |
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$acceptance = new AcceptanceDto(); |
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$conditions = $this->decision->getConditions(); |
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$acceptance->setConditions($conditions); |
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$acceptance->setData($scanResult); |
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$acceptanceNormalized = $this->normalizer->normalize($acceptance); |
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if (!$this->decision->isApplied($scanResult)) { |
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$this->logger->debug('Vacancy rejected.', ['source' => $sourceName, 'denial' => $acceptanceNormalized]); |
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return false; |
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} |
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$vacancy = $this->vacancyCreator->createByParsedDto($scanResult); |
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$vacancyId = $vacancy->getId(); |
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$acceptance->setVacancyId($vacancyId); |
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$this->logger->info( |
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'Vacancy accepted.', |
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[ |
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'source' => $sourceName, |
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'vacancyId' => $vacancyId, |
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'acceptance' => $acceptanceNormalized, |
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] |
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); |
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$this->destination->offer($acceptance); |
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return true; |
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} |
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} |
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symfony-doge /
veslo
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