/**
  * {@inheritdoc}
  */
 public function read()
 {
     $this->documentManager->clear();
     if (!$this->executed) {
         $this->executed = true;
         if (!is_object($this->channel)) {
             $this->channel = $this->channelManager->getChannelByCode($this->channel);
         }
         if ($this->missingCompleteness) {
             $this->completenessManager->generateMissingForChannel($this->channel);
         }
         $this->query = $this->repository->buildByChannelAndCompleteness($this->channel)->getQuery();
         $this->products = $this->getQuery()->execute();
         // MongoDB Cursor are not positioned on first element (whereas ArrayIterator is)
         // as long as getNext() hasn't be called
         $this->products->getNext();
     }
     $result = $this->products->current();
     if ($result) {
         $this->metricConverter->convert($result, $this->channel);
         $this->stepExecution->incrementSummaryInfo('read');
         $this->products->next();
     }
     return $result;
 }
 /**
  * Get ids of products which are completes and in channel
  *
  * @return array
  */
 protected function getIds()
 {
     if (!is_object($this->channel)) {
         $this->channel = $this->channelManager->getChannelByCode($this->channel);
     }
     if ($this->missingCompleteness) {
         $this->completenessManager->generateMissingForChannel($this->channel);
     }
     $this->query = $this->repository->buildByChannelAndCompleteness($this->channel);
     $rootAlias = current($this->query->getRootAliases());
     $rootIdExpr = sprintf('%s.id', $rootAlias);
     $from = current($this->query->getDQLPart('from'));
     $this->query->select($rootIdExpr)->resetDQLPart('from')->from($from->getFrom(), $from->getAlias(), $rootIdExpr)->groupBy($rootIdExpr);
     $results = $this->query->getQuery()->getArrayResult();
     return array_keys($results);
 }
 /**
  * Get product collection by channel and completness
  */
 protected function DnDBuildByChannelAndCompleteness($channel, $isComplete)
 {
     $scope = $channel->getCode();
     if (version_compare(Version::VERSION, '1.3.0', '<')) {
         $qb = $this->repository->buildByScope($scope);
         $rootAlias = $qb->getRootAlias();
         $complete = $isComplete ? $qb->expr()->eq('pCompleteness.ratio', '100') : $qb->expr()->lt('pCompleteness.ratio', '100');
         $expression = 'pCompleteness.product = ' . $rootAlias . ' AND ' . $complete . ' AND ' . $qb->expr()->eq('pCompleteness.channel', $channel->getId());
         $rootEntity = current($qb->getRootEntities());
         $completenessMapping = $this->entityManager->getClassMetadata($rootEntity)->getAssociationMapping('completenesses');
         $completenessClass = $completenessMapping['targetEntity'];
         $qb->innerJoin($completenessClass, 'pCompleteness', 'WITH', $expression);
         $treeId = $channel->getCategory()->getId();
         $expression = $qb->expr()->eq('pCategory.root', $treeId);
         $qb->innerJoin($rootAlias . '.categories', 'pCategory', 'WITH', $expression);
     } else {
         $qb = $this->repository->buildByChannelAndCompleteness($channel);
         // TODO Fix with isComplete at false
     }
     return $qb;
 }