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<?php |
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declare(strict_types=1); |
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namespace SlayerBirden\DataFlowServer\Domain\Controller; |
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use Doctrine\Common\Collections\Criteria; |
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use Doctrine\Common\Collections\Selectable; |
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use Doctrine\ORM\ORMException; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Psr\Log\LoggerInterface; |
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use SlayerBirden\DataFlowServer\Stdlib\Validation\GeneralErrorResponseFactory; |
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use SlayerBirden\DataFlowServer\Stdlib\Validation\GeneralSuccessResponseFactory; |
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use Zend\Hydrator\HydratorInterface; |
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final class GetUsersAction implements MiddlewareInterface |
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{ |
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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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* @var HydratorInterface |
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*/ |
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private $hydrator; |
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/** |
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* @var Selectable |
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*/ |
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private $userRepository; |
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public function __construct( |
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Selectable $userRepository, |
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LoggerInterface $logger, |
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HydratorInterface $hydrator |
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) { |
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$this->userRepository = $userRepository; |
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$this->logger = $logger; |
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$this->hydrator = $hydrator; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$data = $request->getQueryParams(); |
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$page = isset($data['p']) ? abs($data['p']) : 1; |
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$limit = isset($data['l']) ? abs($data['l']) : 10; |
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$filters = $data['f'] ?? []; |
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$sorting = $data['s'] ?? []; |
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try { |
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$criteria = $this->buildCriteria($filters, $sorting, $page, $limit); |
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$users = $this->userRepository->matching($criteria); |
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// before collection load to count all records without pagination |
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$count = $users->count(); |
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if ($count > 0) { |
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$arrayUsers = array_map(function ($user) { |
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return $this->hydrator->extract($user); |
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}, $users->toArray()); |
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return (new GeneralSuccessResponseFactory())('Success', 'users', $arrayUsers, 200, $count); |
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} else { |
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$msg = 'Could not find users using given conditions.'; |
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return (new GeneralErrorResponseFactory())($msg, 'users', 404, [], 0); |
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} |
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} catch (ORMException $exception) { |
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$this->logger->error((string)$exception); |
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$msg = 'There was an error while fetching users.'; |
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return (new GeneralErrorResponseFactory())($msg, 'users', 400, [], 0); |
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} |
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} |
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private function buildCriteria(array $filters = [], array $sorting = [], int $page = 1, int $limit = 10): Criteria |
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{ |
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$criteria = Criteria::create(); |
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$criteria->setFirstResult(($page - 1) * $limit) |
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->setMaxResults($limit); |
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foreach ($filters as $key => $value) { |
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if (is_string($value)) { |
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$criteria->andWhere(Criteria::expr()->contains($key, $value)); |
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} else { |
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$criteria->andWhere(Criteria::expr()->eq($key, $value)); |
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} |
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} |
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if (! empty($sorting)) { |
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foreach ($sorting as $key => $dir) { |
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$criteria->orderBy($sorting); |
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} |
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} |
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return $criteria; |
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} |
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} |
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SlayerBirden /
dataflow-server
