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<?php |
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namespace Sfneal\Queries; |
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use Sfneal\Queries\Traits\HasFilters; |
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abstract class FilterableQuery extends Query |
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{ |
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use HasFilters; |
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/** |
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* Filter values to be passed to Filer classes. |
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* |
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* @var array |
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*/ |
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protected $filters; |
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/** |
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* Filter name to be used. |
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* |
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* @var string |
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*/ |
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protected $filter; |
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/** |
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* QueryWithFilters constructor. |
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* |
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* @param array|string $filters |
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*/ |
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public function __construct($filters) |
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{ |
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// Array of Filters with dynamic values |
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if (is_array($filters)) { |
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// Remove invalid filters prior to executing query |
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$this->filters = $this->filterFilters($filters); |
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} |
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// Single Filter without a dynamic value |
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else { |
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$this->filters = [$filters => null]; |
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$this->filter = $filters; |
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} |
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} |
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/** |
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* Execute a DB query using filter parameters. |
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* |
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* @return mixed |
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*/ |
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public function execute() |
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{ |
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// Initialize query |
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$query = $this->builder(); |
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// Apply filters |
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$query = $this->filterQuery($query); |
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// Return query |
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return $query; |
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} |
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/** |
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* Parse filters and remove all keys that are not found in the declared attributes_filters. |
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* |
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* @param array $filters filters passed from search form |
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* @return array |
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*/ |
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private function filterFilters(array $filters): array |
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{ |
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return array_filter($filters, function ($value, $filter) { |
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// Return true if the filter is a filterable attribute |
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return in_array($filter, array_keys($this->queryFilters())) && ! is_null($value); |
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}, ARRAY_FILTER_USE_BOTH); |
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} |
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} |
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