JetSmartFilters Meta Dynamic Visibility

jsf-dv-meta.php

<?php

add_filter( 'jet-smart-filters/query/meta-query-row', function( $row ) {
		
	if ( in_array( $row['key'], array( '__reload_provider' ) ) ) {
		$row = array();
	}

	return $row;
		
} );

add_action( 'jet-engine/register-macros', function(){ 

    class JSF_Dynamic_Visibility_Meta extends \Jet_Engine_Base_Macros {

        public function macros_tag() {
            return 'jsf_dynamic_visibility_meta';
        }

        public function macros_name() {
            return 'JSF Dynamic Visibility Meta';
        }

        public function macros_args() {
            return array(
                'jsf_dv_type' => array(
                    'label'   => 'Type',
                    'type'    => 'select',
                    'options' => array(
						'plain' => 'Plain value',
						'meta'   => 'Meta'
					),
                ),
                'jsf_param' => array(
                    'label'   => 'Parameter',
                    'type'    => 'text',
                ),
            );
        }

        public function macros_callback( $args = array() ) {

            $type = ! empty( $args['jsf_dv_type'] ) ? $args['jsf_dv_type'] : 'plain';
            
            $param = ! empty( $args['jsf_param'] ) ? $args['jsf_param'] : '';
			
            if ( ! $param ) {
                return;
            }
			
			if ( $type === 'plain' ) {
				return $param;
			}
            
            $result = '';
			
			if ( isset( $_REQUEST['query'][ '_meta_query_' . $param ] ) ) {
				return $_REQUEST['query'][ '_meta_query_' . $param ] ?? '';
			}
			
			$meta = $_GET['meta'] ?? '';
			
			if ( empty( $meta ) ) {
				return $result;
			}
			
			foreach ( explode( ';', $meta ) as $pair ) {
				
				$params = explode( ':', $pair );
				
				if ( $params[0] === $param ) {
					return $params[1];
				}
				
			}
			
			return $result;
            
        }
    }
    
    new JSF_Dynamic_Visibility_Meta();
    
} );