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<?php
/**
* Query abstraction layer functionality.
*
* @package WooCommerce\Abstracts
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Abstract WC Object Query Class
*
* Extended by classes to provide a query abstraction layer for safe object searching.
*
* @version 3.1.0
* @package WooCommerce\Abstracts
*/
abstract class WC_Object_Query {
/**
* Stores query data.
*
* @var array
*/
protected $query_vars = array();
/**
* Create a new query.
*
* @param array $args Criteria to query on in a format similar to WP_Query.
*/
public function __construct( $args = array() ) {
$this->query_vars = wp_parse_args( $args, $this->get_default_query_vars() );
}
/**
* Get the current query vars.
*
* @return array
*/
public function get_query_vars() {
return $this->query_vars;
}
/**
* Get the value of a query variable.
*
* @param string $query_var Query variable to get value for.
* @param mixed $default Default value if query variable is not set.
* @return mixed Query variable value if set, otherwise default.
*/
public function get( $query_var, $default = '' ) {
if ( isset( $this->query_vars[ $query_var ] ) ) {
return $this->query_vars[ $query_var ];
}
return $default;
}
/**
* Set a query variable.
*
* @param string $query_var Query variable to set.
* @param mixed $value Value to set for query variable.
*/
public function set( $query_var, $value ) {
$this->query_vars[ $query_var ] = $value;
}
/**
* Get the default allowed query vars.
*
* @return array
*/
protected function get_default_query_vars() {
return array(
'name' => '',
'parent' => '',
'parent_exclude' => '',
'exclude' => '',
'limit' => get_option( 'posts_per_page' ),
'page' => 1,
'offset' => '',
'paginate' => false,
'order' => 'DESC',
'orderby' => 'date',
'return' => 'objects',
);
}
}
|