/**
  * {@inheritdoc}
  */
 public function addFilter(\Magento\Framework\Api\Filter $filter)
 {
     if (isset($this->addFilterStrategies[$filter->getField()])) {
         $this->addFilterStrategies[$filter->getField()]->addFilter($this->getCollection(), $filter->getField(), [$filter->getConditionType() => $filter->getValue()]);
     } else {
         parent::addFilter($filter);
     }
 }
 /**
  * {@inheritdoc}
  */
 public function addFilter(\Magento\Framework\Api\Filter $filter)
 {
     $field = $filter->getField();
     if (in_array($field, ['review_id', 'created_at', 'status_id'])) {
         $filter->setField('rt.' . $field);
     }
     if (in_array($field, ['title', 'nickname', 'detail'])) {
         $filter->setField('rdt.' . $field);
     }
     if ($field === 'review_created_at') {
         $filter->setField('rt.created_at');
     }
     parent::addFilter($filter);
 }
 /**
  * @inheritdoc
  */
 public function addFilter(\Magento\Framework\Api\Filter $filter)
 {
     $this->getCollection()->addFieldToFilter($filter->getField(), [$filter->getConditionType() => $filter->getValue()]);
 }
 /**
  * @param FeedInterface $feed
  * @param Filter $filter
  * @return bool
  */
 private function isFeedMatchesFilter(FeedInterface $feed, Filter $filter)
 {
     switch (strtolower($filter->getField())) {
         case 'id':
             $isMatches = $filter->getValue() === $feed->getId();
             break;
         case 'title':
             $isMatches = strpos($feed->getTitle(), $filter->getValue()) !== false;
             break;
         case 'description':
             $isMatches = strpos($feed->getDescription(), $filter->getValue()) !== false;
             break;
         default:
             $isMatches = false;
             break;
     }
     return $isMatches;
 }
 /**
  * Apply regular filters like collection filters
  *
  * @param AbstractDb $collection
  * @param Filter $filter
  * @return void
  */
 public function apply(AbstractDb $collection, Filter $filter)
 {
     $collection->addFieldToFilter($filter->getField(), [$filter->getConditionType() => $filter->getValue()]);
 }