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<?php |
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namespace Alhoqbani\Elastic; |
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use Elasticsearch\Client; |
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use Illuminate\Database\Eloquent\Collection; |
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use Laravel\Scout\Builder; |
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use Laravel\Scout\Engines\Engine; |
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class ScoutElasticEngine 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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private $client; |
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/** |
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* ElasticSearchScoutEngine constructor. |
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* |
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* @param \Elasticsearch\Client $client |
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*/ |
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public function __construct(Client $client) |
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{ |
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$this->client = $client; |
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} |
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/** |
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* Update the given model in the index. |
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* |
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* @param \Illuminate\Database\Eloquent\Collection $models |
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* |
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* @return void |
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*/ |
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public function update($models) |
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{ |
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$index = $models->first()->searchableAs(); |
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$params = ['body' => []]; |
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foreach ($models as $model) { |
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$array = $model->toSearchableArray(); |
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if (empty($array)) { |
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return; |
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} |
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$params['body'][] = [ |
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'index' => [ |
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'_index' => $index, |
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'_type' => $index, |
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'_id' => $model->getKey(), |
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], |
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]; |
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$params['body'][] = $array; |
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} |
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$this->client->bulk($params); |
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} |
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/** |
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* Remove the given model from the index. |
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* |
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* @param \Illuminate\Database\Eloquent\Collection $models |
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* |
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* @return void |
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*/ |
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public function delete($models) |
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{ |
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$index = $models->first()->searchableAs(); |
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$params = ['body' => []]; |
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foreach ($models as $model) { |
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$params['body'][] = [ |
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'delete' => [ |
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'_index' => $index, |
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'_type' => $index, |
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'_id' => $model->getKey(), |
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], |
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]; |
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} |
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$this->client->bulk($params); |
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} |
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/** |
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* Perform the given search on the engine. |
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* |
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* @param \Laravel\Scout\Builder $builder |
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* |
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* @return mixed |
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*/ |
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public function search(Builder $builder) |
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{ |
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$params = [ |
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'index' => $builder->index ?? $builder->model->searchableAs(), |
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'type' => $builder->index ?? $builder->model->searchableAs(), |
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'body' => [ |
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'size' => $builder->limit ?? $builder->model->getPerPage(), |
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'query' => [ |
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'multi_match' => [ |
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'query' => $builder->query, |
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'fields' => '_all', |
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], |
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], |
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], |
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]; |
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if ($builder->callback) { |
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$params = call_user_func( |
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$builder->callback, |
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$this->client, |
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$builder->query |
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); |
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} |
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return $this->client->search($params); |
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} |
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/** |
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* Perform the given search on the engine. |
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* |
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* @param \Laravel\Scout\Builder $builder |
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* @param int $perPage |
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* @param int $page |
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* |
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* @return mixed |
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*/ |
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public function paginate(Builder $builder, $perPage, $page) |
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{ |
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$params = [ |
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'index' => $builder->index ?? $builder->model->searchableAs(), |
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'type' => $builder->index ?? $builder->model->searchableAs(), |
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'body' => [ |
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'query' => [ |
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'multi_match' => [ |
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'query' => $builder->query, |
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'fields' => '_all', |
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], |
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], |
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], |
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]; |
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if ($builder->callback) { |
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$params = call_user_func( |
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$builder->callback, |
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$this->client, |
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$builder->query |
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); |
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} |
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$params['body']['size'] = $perPage; |
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$params['body']['from'] = ($page - 1) * $perPage; |
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return $this->client->search($params); |
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} |
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/** |
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* Pluck and return the primary keys of the given results. |
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* |
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* @param mixed $results |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function mapIds($results) |
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{ |
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return collect($results['hits']['hits'])->pluck('_id')->values(); |
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} |
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/** |
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* Map the given results to instances of the given model. |
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* |
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* @param mixed $results |
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* @param \Illuminate\Database\Eloquent\Model $model |
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* |
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* @return \Illuminate\Database\Eloquent\Collection |
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*/ |
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public function map($results, $model) |
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{ |
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if ($results['hits']['total'] === 0) { |
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return Collection::make(); |
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} |
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$keys = collect($results['hits']['hits']) |
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->pluck('_id')->values()->all(); |
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$models = $model->whereIn( |
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$model->getQualifiedKeyName(), |
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$keys |
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)->get()->keyBy($model->getKeyName()); |
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return Collection::make($results['hits']['hits'])->map(function ($hit) use ($model, $models) { |
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$key = $hit['_id']; |
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if (isset($models[$key])) { |
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return $models[$key]; |
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} |
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})->filter()->values(); |
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} |
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/** |
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* Get the total count from a raw result returned by the engine. |
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* |
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* @param mixed $results |
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* |
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* @return int |
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*/ |
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public function getTotalCount($results) |
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{ |
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return $results['hits']['total']; |
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} |
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} |
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alhoqbani /
laravel-scout-elasticsearch
