Strategy.php
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<?php
namespace ACP\Sorting;
use ACP;
abstract class Strategy {
/**
* @var AbstractModel
*/
protected $model;
/**
* @param AbstractModel $model
*/
public function __construct( AbstractModel $model ) {
$this->model = $model;
}
/**
* Return the current sorting order
* @return string ASC|DESC
*/
abstract public function get_order();
/**
* Uniform way to query results
*
* @param array $data
*
* @return array
*/
abstract public function get_results( array $data = [] );
/**
* @return void
*/
abstract public function manage_sorting();
/**
* Add the meta query for sorting to an existing meta query
*
* @param array $sorting_meta_query
* @param array $meta_query
*
* @return array
*/
protected function add_meta_query( $sorting_meta_query, $meta_query ) {
if ( empty( $meta_query ) ) {
return $sorting_meta_query;
}
$meta_query['relation'] = 'AND';
$meta_query[] = $sorting_meta_query;
return $meta_query;
}
/**
* Check if a key is an universal id
*
* @param string $key
*
* @return bool
*/
protected function is_universal_id( $key ) {
return 'ids' === $key;
}
}