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<?php |
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namespace Sfneal\Queries; |
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use Sfneal\Queries\Interfaces\DynamicQuery; |
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use Sfneal\Queries\Traits\ApplyFilter; |
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use Illuminate\Database\Eloquent\Builder; |
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abstract class AbstractQueryWithFilters extends AbstractQuery implements DynamicQuery |
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{ |
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use ApplyFilter; |
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/** |
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* Array of attribute/form input name keys and Filter class values |
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* |
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* @var array |
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*/ |
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public $attribute_filters; |
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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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public $filters; |
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/** |
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* QueryWithFilters constructor. |
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* |
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* @param array $filters |
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*/ |
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public function __construct(array $filters) |
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{ |
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// Remove invalid filters prior to executing query |
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$this->filters = $this->filterFilters($filters); |
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} |
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/** |
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* Apply Filter decorators to the query if both the parameter is given and the Filter class exists |
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* |
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* @param Builder $builder |
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* @param array|null $filters |
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* @return Builder |
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*/ |
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public function applyFiltersToQuery(Builder $builder, array $filters = null) |
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{ |
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// Wrap scopes |
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$builder->where(function (Builder $query) use ($filters) { |
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// Check every parameter to see if there's a corresponding Filter class |
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foreach ($filters ?? $this->filters as $filterName => $value) { |
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// Apply Filter class if it exists and is a filterable attribute |
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$query = self::applyFilterToQuery($query, $filterName, $value); |
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} |
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}); |
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return $builder; |
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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 $filters): array { |
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return array_filter($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($this->attribute_filters)) && !is_null($value); |
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},ARRAY_FILTER_USE_BOTH); |
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} |
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} |
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sfneal /
queries
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