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<?php |
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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namespace Maslosoft\Manganel; |
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use Exception; |
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use Maslosoft\Addendum\Interfaces\AnnotatedInterface; |
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use Maslosoft\Mangan\Helpers\CollectionNamer; |
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use Maslosoft\Mangan\Interfaces\CriteriaAwareInterface; |
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use Maslosoft\Mangan\Traits\CriteriaAwareTrait; |
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/** |
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* QueryBuilder |
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* @method SearchCriteria getCriteria() |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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class QueryBuilder implements CriteriaAwareInterface |
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{ |
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use CriteriaAwareTrait; |
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/** |
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* Manganel instance |
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* @var Manganel |
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*/ |
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private $manganel = null; |
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/** |
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* Annotated model |
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* @var AnnotatedInterface |
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*/ |
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private $model; |
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public function __construct($model) |
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{ |
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$this->model = $model; |
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$this->manganel = Manganel::create($this->model); |
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} |
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/** |
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* |
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* @param string $q |
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* @return int |
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*/ |
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public function count($q = null) |
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{ |
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$params = $this->getParams($q); |
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$result = $this->manganel->getClient()->count($params); |
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if (empty($result) && empty($result['count'])) |
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{ |
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return 0; // @codeCoverageIgnore |
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} |
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return $result['count']; |
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} |
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/** |
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* Get search results |
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* @param string $q |
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* @return array |
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*/ |
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public function search($q = null) |
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{ |
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$params = $this->getParams($q); |
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$result = $this->manganel->getClient()->search($params); |
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if (empty($result) && empty($result['hits']) && empty($result['hits']['hits'])) |
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{ |
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return []; // @codeCoverageIgnore |
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} |
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return $result['hits']['hits']; |
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} |
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private function getParams($q = null) |
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{ |
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// Try to get query from criteria if empty |
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$criteria = $this->getCriteria(); |
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if (null === $q && !empty($criteria)) |
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{ |
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$q = $criteria->getSearch(); |
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} |
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if (null === $q) |
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{ |
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// Match all documents if query is null |
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$query = [ |
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'match_all' => [] |
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]; |
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} |
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else |
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{ |
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// Use query string matching |
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$query = [ |
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'query_string' => [ |
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'query' => $q |
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] |
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]; |
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} |
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$body['query'] = $query; |
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if (!empty($criteria)) |
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{ |
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if ($criteria->getLimit() || $criteria->getOffset()) |
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{ |
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$body['from'] = $criteria->getOffset(); |
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$body['size'] = $criteria->getLimit(); |
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} |
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} |
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$params = [ |
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'index' => strtolower($this->manganel->index), |
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'type' => CollectionNamer::nameCollection($this->model), |
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'body' => $body |
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]; |
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return $params; |
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} |
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} |
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Maslosoft /
Manganel
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.