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<?php
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namespace LSB\NumberingBundle\Service;
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use Doctrine\DBAL\LockMode;
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use Doctrine\ORM\EntityManagerInterface;
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use Doctrine\Persistence\ManagerRegistry;
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use LSB\NumberingBundle\Entity\NumberingCounterData;
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use LSB\NumberingBundle\Interfaces\NumberableInterface;
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use LSB\NumberingBundle\Model\GeneratorOptions;
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use LSB\NumberingBundle\Model\SimpleNumber;
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use LSB\NumberingBundle\Model\TimeContext;
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/**
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* Class NumberingGenerator
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* @package LSB\NumberingBundle\Service
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*/
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class NumberingGenerator
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{
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/**
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* @var array
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*/
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protected $configuration;
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/**
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* @var EntityManagerInterface
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*/
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protected $em;
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/**
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* @var ManagerRegistry
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*/
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protected $doctrine;
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/**
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* @var NumberingPatternTagVerifier
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*/
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protected $tagVerifier;
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/**
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* @var NumberingPatternResolver
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*/
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protected $patternResolver;
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/**
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* NumberingGenerator constructor.
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* @param ManagerRegistry $doctrine
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* @param NumberingPatternTagVerifier $tagVerifier
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* @param NumberingPatternResolver $patternResolver
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*/
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public function __construct(ManagerRegistry $doctrine, NumberingPatternTagVerifier $tagVerifier, NumberingPatternResolver $patternResolver)
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{
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$this->doctrine = $doctrine;
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$this->em = $this->doctrine->getManager();
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$this->tagVerifier = $tagVerifier;
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$this->patternResolver = $patternResolver;
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}
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/**
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* @param array $config
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*/
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public function setConfiguration(array $config): void
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{
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$this->configuration = $config;
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}
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/**
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* @return array|null
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*/
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public function getConfiguration(): ?array
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{
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return $this->configuration;
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}
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/**
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* @param NumberableInterface $subject
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* @param GeneratorOptions $options
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* @return SimpleNumber
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* @throws \Doctrine\DBAL\ConnectionException
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*/
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public function generateNumber(NumberableInterface $subject, GeneratorOptions $options): SimpleNumber
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{
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return $this->process($subject, $options);
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}
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/**
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* @param NumberableInterface $subject
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* @param GeneratorOptions $options
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* @return SimpleNumber
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* @throws \Doctrine\DBAL\ConnectionException
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* @throws \LSB\NumberingBundle\Exception\NumberingGeneratorException
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*/
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protected function process(NumberableInterface $subject, GeneratorOptions $options): SimpleNumber
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{
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$increase = true;
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$subjectClassName = get_class($subject);
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$counterConfig = $this->getCounterConfig($options->getConfigName());
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$patternConfig = $this->getPatternForConfig($options->getConfigName());
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// verify pattern tags
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$this->tagVerifier->verify($patternConfig, $counterConfig);
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// get existing NumberingCounterData
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$counterData = $this->em->getRepository(NumberingCounterData::class)->getByConfigAndSubjectClass($counterConfig, $subjectClassName, $options->getContextObjectValue());
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// create new NumberingCounterData
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if (!$counterData instanceof NumberingCounterData) {
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$counterData = $this->createNewCounterData($subjectClassName, $counterConfig, $options->getContextObjectValue());
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$this->em->persist($counterData);
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$this->em->flush();
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$increase = false;
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}
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try {
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$this->em->getConnection()->setAutoCommit(false);
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$this->em->getConnection()->beginTransaction();
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$this->em->lock($counterData, LockMode::PESSIMISTIC_WRITE);
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// increase current number value
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if ($increase) {
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$this->increaseCounterValue($counterData, $options->getDate());
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}
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// resolve number from pattern
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$resolvedNumber = $this->patternResolver->resolve($patternConfig['pattern'], $counterData, $options->getDate());
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$this->em->flush();
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$this->em->getConnection()->commit();
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$this->em->getConnection()->setAutoCommit(true);
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$number = new SimpleNumber($resolvedNumber, $counterData->getCurrent());
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} catch (\Exception $e) {
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$this->resetEntityManager();
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throw $e;
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}
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return $number;
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}
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/**
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* @throws \Doctrine\DBAL\ConnectionException
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*/
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protected function resetEntityManager(): void
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{
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$this->em->getConnection()->rollback();
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$this->em->getConnection()->setAutoCommit(true);
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if (!$this->em->isOpen()) {
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$this->em = $this->doctrine->resetManager();
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}
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}
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/**
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* @param NumberingCounterData $counterData
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* @param \DateTime|null $date
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* @throws \Exception
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*/
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protected function increaseCounterValue(NumberingCounterData $counterData, \DateTime $date = null): void
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{
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$currentValue = $counterData->getCurrent() ?? $counterData->getStart();
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$newValue = $currentValue + $counterData->getStep();
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if (!empty($counterData->getTimeContext())) {
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$timeContextValue = TimeContext::getValueForTag($counterData->getTimeContext(), $date);
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if ($timeContextValue !== $counterData->getTimeContextValue()) {
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// set start value and new time context value
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$newValue = $counterData->getStart();
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$counterData->setTimeContextValue($timeContextValue);
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}
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}
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$counterData->setCurrent($newValue);
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}
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/**
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* @param string $subjectClassName
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* @param array $config
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* @param string|null $contextObjectValue
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* @return NumberingCounterData
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* @throws \Exception
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*/
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protected function createNewCounterData(string $subjectClassName, array $config, string $contextObjectValue = null): NumberingCounterData
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{
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$numberingCounterData = (new NumberingCounterData)
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->setSubjectFQCN($subjectClassName)
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->setConfigName($config['name'])
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->setStart($config['start'])
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->setCurrent($config['start'])
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->setStep($config['step']);
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if (isset($config['time_context']) && !empty($config['time_context'])) {
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$numberingCounterData
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->setTimeContext($config['time_context'])
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->setTimeContextValue(TimeContext::getValueForTag($config['time_context']));
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}
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if (isset($config['context_object_fqcn']) && !empty($config['context_object_fqcn'])) {
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$numberingCounterData
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->setContextObjectFQCN($config['context_object_fqcn'])
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->setContextObjectValue($contextObjectValue);
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}
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return $numberingCounterData;
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}
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/**
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* @param string $configName
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* @return array
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* @throws \Exception
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*/
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public function getPatternForConfig(string $configName): array
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{
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$patterns = $this->getConfiguration()['patterns'];
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$config = $this->getCounterConfig($configName);
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$patternName = $config['patternName'];
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$filteredPattern = array_filter($patterns, function ($elem) use ($patternName) {
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return $elem['name'] === $patternName;
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});
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if (empty($filteredPattern)) {
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throw new \Exception('No pattern name found, check bundle configuration');
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}
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return reset($filteredPattern);
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}
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/**
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* @param string $configName
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* @return array
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* @throws \Exception
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*/
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public function getCounterConfig(string $configName): array
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{
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$configs = $this->getConfiguration()['counter_configs'];
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$filteredConfig = array_filter($configs, function ($elem) use ($configName) {
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return $elem['name'] === $configName;
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});
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if (empty($filteredConfig)) {
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throw new \Exception('No counter config found, check bundle configuration');
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}
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if (count($filteredConfig) > 1) {
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throw new \Exception('More than one counter config found, check bundle configuration');
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}
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return reset($filteredConfig);
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}
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}
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LSBDataWeFeelIT /
LSBNumberingBundle
