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<?php |
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namespace Elastica\Aggregation; |
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use Elastica\Exception\InvalidException; |
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use Elastica\Query\AbstractQuery; |
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/** |
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* Class Filters. |
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* |
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* @see https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filters-aggregation.html |
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*/ |
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class Filters extends AbstractAggregation |
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{ |
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const NAMED_TYPE = 1; |
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const ANONYMOUS_TYPE = 2; |
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/** |
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* @var int Type of bucket keys - named, or anonymous |
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*/ |
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private $_type; |
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/** |
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* Add a filter. |
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* |
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* If a name is given, it will be added as a key, otherwise considered as an anonymous filter |
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* |
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* @param AbstractQuery $filter |
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* @param string $name |
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* |
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* @return $this |
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*/ |
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public function addFilter(AbstractQuery $filter, string $name = null): self |
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{ |
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$filterArray = []; |
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$type = self::NAMED_TYPE; |
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if (null === $name) { |
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$filterArray[] = $filter; |
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$type = self::ANONYMOUS_TYPE; |
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} else { |
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$filterArray[$name] = $filter; |
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} |
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if ($this->hasParam('filters') |
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&& count($this->getParam('filters')) |
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&& $this->_type !== $type |
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) { |
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throw new InvalidException('Mix named and anonymous keys are not allowed'); |
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} |
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$this->_type = $type; |
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return $this->addParam('filters', $filterArray); |
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} |
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/** |
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* @param bool $otherBucket |
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* |
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* @return $this |
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*/ |
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public function setOtherBucket(bool $otherBucket): self |
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{ |
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return $this->setParam('other_bucket', $otherBucket); |
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} |
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/** |
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* @param string $otherBucketKey |
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* |
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* @return $this |
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*/ |
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public function setOtherBucketKey(string $otherBucketKey): self |
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{ |
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return $this->setParam('other_bucket_key', $otherBucketKey); |
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} |
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/** |
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* @return array |
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*/ |
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public function toArray(): array |
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{ |
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$array = []; |
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$filters = $this->getParam('filters'); |
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foreach ($filters as $filter) { |
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if (self::NAMED_TYPE === $this->_type) { |
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$key = key($filter); |
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$array['filters']['filters'][$key] = current($filter)->toArray(); |
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} else { |
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$array['filters']['filters'][] = current($filter)->toArray(); |
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} |
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} |
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if ($this->hasParam('other_bucket')) { |
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$array['filters']['other_bucket'] = $this->getParam('other_bucket'); |
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} |
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if ($this->hasParam('other_bucket_key')) { |
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$array['filters']['other_bucket_key'] = $this->getParam('other_bucket_key'); |
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} |
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if ($this->_aggs) { |
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$array['aggs'] = $this->_convertArrayable($this->_aggs); |
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} |
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return $array; |
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} |
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} |
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ruflin /
Elastica
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.