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<?php
/**
* Facets
*
* @package WP Grid Builder
* @author Loïc Blascos
* @copyright 2019-2023 Loïc Blascos
*/
namespace WP_Grid_Builder\FrontEnd;
use WP_Grid_Builder\FrontEnd\Facets;
use WP_Grid_Builder\Includes\Helpers;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Add facets in layout
*
* @class WP_Grid_Builder\FrontEnd\Facets
* @since 1.0.0
*/
final class Facets extends Objects implements Models\Facets_Interface {
/**
* Holds settings properties
*
* @since 1.0.0
* @access public
*
* @var WP_Grid_Builder\FrontEnd\Settings instance
*/
public $settings;
/**
* Holds selected facets
*
* @since 1.0.0
* @access public
*
* @var array
*/
public $selections = [];
/**
* Constructor
*
* @since 1.0.0
* @access public
*
* @param object $settings Hold Settings.
*/
public function __construct( $settings ) {
$this->settings = $settings;
}
/**
* Query and refresh facets
*
* @since 1.0.0
* @access public
*
* @param boolean $render Whether to render facet content.
* @return array Holds all facets data.
*/
public function refresh( $render = true ) {
return array_map(
function( $facet ) use ( $render ) {
$choices = $this->query_facet( $facet );
$content = $render ? $this->render_facet( $facet, $choices ) : '';
$this->cache_facet( $facet, $content );
$this->set_selection( $facet, $choices );
return apply_filters(
'wp_grid_builder/facet/response',
[
'html' => $content,
'name' => $facet['name'],
'slug' => $facet['slug'],
'type' => $facet['type'],
'settings' => $facet['settings'],
'selected' => $facet['selected'],
],
$facet,
$choices
);
},
wpgb_get_facet_instances( $this->settings['facets'] )
);
}
/**
* Search for facet values/names (async method)
*
* @since 1.0.0
* @access public
*
* @return array Holds facet value/name.
*/
public function search() {
if (
empty( $this->settings['search']['facet'] ) ||
empty( $this->settings['search']['string'] )
) {
return [];
}
$facet = $this->settings['search']['facet'];
$search = $this->settings['search']['string'];
$facets = wpgb_get_facet_instances( $facet );
if ( empty( $facets[ $facet ] ) ) {
return [];
}
$choices = ( new Facets\Async() )->query_facet( $facets[ $facet ], $search );
return apply_filters( 'wp_grid_builder/facet/choices', $choices, $facet );
}
/**
* Query facet choices
*
* @since 1.0.0
* @access public
*
* @param array $facet Hold Facet settings.
* @return array
*/
public function query_facet( $facet ) {
if ( ! method_exists( $facet['instance'], 'query_facet' ) ) {
return [];
}
$choices = $facet['instance']->query_facet( $facet );
$choices = apply_filters( 'wp_grid_builder/facet/choices', $choices, $facet );
return $choices;
}
/**
* Render facet content
*
* @since 1.0.0
* @access public
*
* @param array $facet Hold Facet settings.
* @param array $choices Hold Facet choices.
* @return string
*/
public function render_facet( $facet, $choices ) {
if ( ! method_exists( $facet['instance'], 'render_facet' ) ) {
return '';
}
$content = $facet['instance']->render_facet( $facet, $choices );
$content = apply_filters( 'wp_grid_builder/facet/html', $content, $facet['id'] );
ob_start();
Helpers::get_template( 'layout/facet', [ 'html' => $content ] + $facet );
return ob_get_clean();
}
/**
* Set selection from selected facets
*
* @since 1.0.0
* @access public
*
* @param array $facet Hold Facet settings.
* @param array $choices Hold Facet choices.
*/
public function set_selection( $facet, $choices ) {
// Only push selection from filter facets.
if (
empty( $facet['selected'] ) ||
empty( $facet['action'] ) ||
'filter' !== $facet['action']
) {
return;
}
$this->selections[ $facet['slug'] ] = [ 'choices' => $choices ] + $facet;
}
/**
* Cache facet output
*
* @since 1.0.0
* @access public
*
* @param array $facet Hold Facet settings.
* @param string $content Facet content.
*/
public function cache_facet( $facet, $content ) {
// Only cache unfiltered facets.
if ( wpgb_has_selected_facets() ) {
return;
}
$transient = WPGB_SLUG . '_G' . $this->settings['id'] . 'F' . $facet['id'] . $this->settings['lang'];
set_transient( apply_filters( 'wp_grid_builder/facet/transient_name', $transient ), $content );
}
}