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<?php |
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/** |
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* @package WPEmerge |
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* @author Atanas Angelov <[email protected]> |
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* @copyright 2017-2019 Atanas Angelov |
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* @license https://www.gnu.org/licenses/gpl-2.0.html GPL-2.0 |
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* @link https://wpemerge.com/ |
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*/ |
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namespace WPEmerge\Routing; |
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use WPEmerge\Exceptions\ConfigurationException; |
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use WPEmerge\Requests\RequestInterface; |
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use WPEmerge\Routing\Conditions\CanFilterQueryInterface; |
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/** |
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* Represent an object which has a WordPress query filter attribute. |
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*/ |
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trait HasQueryFilterTrait { |
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/** |
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* Query filter. |
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* |
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* @var callable|null |
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*/ |
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protected $query_filter = null; |
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/** |
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* Get attribute. |
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* |
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* @param string $attribute |
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* @param mixed $default |
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* @return mixed |
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*/ |
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abstract public function getAttribute( $attribute, $default = '' ); |
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/** |
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* Apply the query filter, if any. |
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* |
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* @param RequestInterface $request |
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* @param array $query_vars |
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* @return array |
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*/ |
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public function applyQueryFilter( $request, $query_vars ) { |
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$query = $this->getAttribute( 'query' ); |
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$condition = $this->getAttribute( 'condition' ); |
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if ( $query === null ) { |
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return $query_vars; |
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} |
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if ( ! $condition instanceof CanFilterQueryInterface ) { |
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throw new ConfigurationException( |
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'Only routes with a condition implementing the ' . CanFilterQueryInterface::class . ' ' . |
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'interface can apply query filters. ' . |
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'Make sure your route has a URL condition and it is not in a non-URL route group.' |
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); |
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} |
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return call_user_func_array( |
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$query, |
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array_merge( |
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[$query_vars], |
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array_values( $condition->getArguments( $request ) ) |
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) |
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); |
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} |
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} |
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htmlburger /
wpemerge
