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<?php |
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namespace Matchish\ScoutElasticSearch\Engines; |
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use Elasticsearch\Common\Exceptions\ServerErrorResponseException; |
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use Illuminate\Database\Eloquent\Collection; |
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use Illuminate\Support\LazyCollection; |
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use Laravel\Scout\Builder as BaseBuilder; |
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use Laravel\Scout\Engines\Engine; |
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use Matchish\ScoutElasticSearch\ElasticSearch\HitsIteratorAggregate; |
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use Matchish\ScoutElasticSearch\ElasticSearch\Params\Bulk; |
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use Matchish\ScoutElasticSearch\ElasticSearch\Params\Indices\Refresh; |
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use Matchish\ScoutElasticSearch\ElasticSearch\Params\Search as SearchParams; |
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use Matchish\ScoutElasticSearch\ElasticSearch\SearchFactory; |
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use Matchish\ScoutElasticSearch\ElasticSearch\SearchResults; |
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use ONGR\ElasticsearchDSL\Query\MatchAllQuery; |
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use ONGR\ElasticsearchDSL\Search; |
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use Laravel\Scout\Builder; |
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final class ElasticSearchEngine extends Engine |
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{ |
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/** |
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* The ElasticSearch client. |
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* |
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* @var \Elasticsearch\Client |
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*/ |
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protected $elasticsearch; |
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/** |
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* Create a new engine instance. |
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* |
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* @param \Elasticsearch\Client $elasticsearch |
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* @return void |
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*/ |
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public function __construct(\Elasticsearch\Client $elasticsearch) |
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{ |
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$this->elasticsearch = $elasticsearch; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function update($models) |
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{ |
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$params = new Bulk(); |
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$params->index($models); |
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$response = $this->elasticsearch->bulk($params->toArray()); |
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if (array_key_exists('errors', $response) && $response['errors']) { |
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$error = new ServerErrorResponseException(json_encode($response, JSON_PRETTY_PRINT)); |
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throw new \Exception('Bulk update error', $error->getCode(), $error); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($models) |
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{ |
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$params = new Bulk(); |
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$params->delete($models); |
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$this->elasticsearch->bulk($params->toArray()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flush($model) |
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{ |
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$indexName = $model->searchableAs(); |
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$exist = $this->elasticsearch->indices()->exists(['index' => $indexName]); |
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if ($exist) { |
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$body = (new Search())->addQuery(new MatchAllQuery())->toArray(); |
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$params = new SearchParams($indexName, $body); |
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$this->elasticsearch->deleteByQuery($params->toArray()); |
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$this->elasticsearch->indices()->refresh((new Refresh($indexName))->toArray()); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function search(BaseBuilder $builder) |
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{ |
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return $this->performSearch($builder, []); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function paginate(BaseBuilder $builder, $perPage, $page) |
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{ |
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return $this->performSearch($builder, [ |
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'from' => ($page - 1) * $perPage, |
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'size' => $perPage, |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function mapIds($results) |
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{ |
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return collect($results['hits']['hits'])->pluck('_id'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function map(BaseBuilder $builder, $results, $model) |
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{ |
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$hits = app()->makeWith( |
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HitsIteratorAggregate::class, |
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[ |
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'results' => $results, |
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'callback' => $builder->queryCallback, |
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] |
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); |
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return new Collection($hits); |
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} |
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/** |
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* Map the given results to instances of the given model via a lazy collection. |
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* |
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* @param \Laravel\Scout\Builder $builder |
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* @param mixed $results |
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* @param \Illuminate\Database\Eloquent\Model $model |
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* @return \Illuminate\Support\LazyCollection |
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*/ |
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public function lazyMap(Builder $builder, $results, $model) |
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{ |
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throw new \Error('Not implemented'); |
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} |
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/** |
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* Create a search index. |
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* |
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* @param string $name |
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* @param array $options |
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* @return mixed |
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*/ |
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public function createIndex($name, array $options = []) { |
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throw new \Error('Not implemented'); |
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} |
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/** |
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* Delete a search index. |
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* |
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* @param string $name |
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* @return mixed |
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*/ |
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public function deleteIndex($name) { |
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throw new \Error('Not implemented'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getTotalCount($results) |
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{ |
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return $results['hits']['total']['value']; |
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} |
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/** |
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* @param BaseBuilder $builder |
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* @param array $options |
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* @return SearchResults|mixed |
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*/ |
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private function performSearch(BaseBuilder $builder, $options = []) |
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{ |
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$searchBody = SearchFactory::create($builder, $options); |
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if ($builder->callback) { |
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/** @var callable */ |
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$callback = $builder->callback; |
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return call_user_func( |
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$callback, |
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$this->elasticsearch, |
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$searchBody |
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); |
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} |
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$model = $builder->model; |
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$indexName = $builder->index ?: $model->searchableAs(); |
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$params = new SearchParams($indexName, $searchBody->toArray()); |
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return $this->elasticsearch->search($params->toArray()); |
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} |
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} |
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matchish /
laravel-scout-elasticsearch
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