%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Hierarchy facet
*
* @package WP Grid Builder
* @author Loïc Blascos
* @copyright 2019-2021 Loïc Blascos
*/
namespace WP_Grid_Builder\FrontEnd\Facets;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Hierarchy
*
* @class WP_Grid_Builder\FrontEnd\Facets\Hierarchy
* @since 1.0.0
*/
class Hierarchy {
/**
* Rendered items counter
*
* @since 1.0.0
* @var integer
*/
public $count = 0;
/**
* Constructor
*
* @since 1.0.0
* @access public
*/
public function __construct() {}
/**
* Query facet choices
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @return array Holds facet items.
*/
public function query_facet( $facet ) {
global $wpdb;
$order_clause = wpgb_get_orderby_clause( $facet );
$where_clause = wpgb_get_filtered_where_clause( $facet, 'OR' );
$source = explode( '/', $facet['source'] );
$source = reset( $source );
$parent_id = 'taxonomy' === $source ? $this->get_term_id( $facet ) : 0;
$ancestors = 'taxonomy' === $source ? $this->get_ancestors( $facet, $parent_id ) : [];
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$children = $wpdb->get_results(
$wpdb->prepare(
"SELECT facet_name, facet_value, facet_id, facet_parent, COUNT(DISTINCT object_id) AS count
FROM {$wpdb->prefix}wpgb_index
WHERE slug = %s
AND facet_parent = %d
AND $where_clause
GROUP BY facet_value
ORDER BY $order_clause
LIMIT %d",
$facet['slug'],
$parent_id,
$facet['limit']
)
);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
if ( ! empty( $ancestors ) ) {
return array_merge( $ancestors, $children );
}
return $children;
}
/**
* Get term id from slug
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @return integer Term id.
*/
public function get_term_id( $facet ) {
if ( empty( $facet['selected'] ) ) {
return 0;
}
$query = [
'number' => 1,
'fields' => 'ids',
'slug' => reset( $facet['selected'] ),
];
return reset( ( new \WP_Term_Query( $query ) )->terms );
}
/**
* Get ancestor terms of selected term.
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @param integer $parent_id Parent id.
* @return array Holds ancestor items.
*/
public function get_ancestors( $facet, $parent_id ) {
if ( 0 === (int) $parent_id ) {
return [];
}
$ids = get_ancestors( $parent_id, $facet['taxonomy'] );
$ids = array_merge( $ids, (array) $parent_id );
$all = $facet['all_label'] ?: __( 'Any', 'wp-grid-builder' );
if ( ! empty( $facet['exclude'] ) ) {
$ids = array_diff( $ids, (array) $facet['exclude'] );
} elseif ( ! empty( $facet['include'] ) ) {
$ids = array_intersect( $ids, (array) $facet['include'] );
}
$terms = get_terms(
[
'include' => $ids,
]
);
$ancestors = [];
$ancestors[] = (object) [
'facet_parent' => $facet['parent'] ?: 0,
'facet_value' => '',
'facet_name' => $all,
'facet_id' => 0,
'count' => 0,
];
foreach ( $terms as $term ) {
if ( $term->term_id === (int) $facet['parent'] ) {
continue;
}
// Take into account included/excluded terms from facet settings.
if (
in_array( (string) $term->term_id, $facet['include'], true ) &&
! in_array( (string) $term->parent, $facet['include'], true )
) {
$term->parent = 0;
}
$ancestors[] = (object) [
'facet_parent' => $term->parent,
'facet_value' => $term->slug,
'facet_name' => $term->name,
'facet_id' => $term->term_id,
'count' => 0,
];
}
return $ancestors;
}
/**
* Render facet
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @param array $items Holds facet items.
* @return string Facet markup.
*/
public function render_facet( $facet, $items ) {
$parent = 0;
// To override parent if set.
if ( $facet['selected'] && ! empty( $facet['parent'] ) ) {
$parent = $facet['parent'];
}
$list = $this->render_list( $facet, $items, $parent );
if ( empty( $list ) ) {
return;
}
$output = '<div class="wpgb-hierarchy-facet">';
$output .= $list;
$output .= '</div>';
return $output;
}
/**
* Render facet
*
* @since 1.2.0 Handle shortcode [number] in button label.
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @param array $items Holds facet items.
* @param integer $parent Parent id to process children.
* @return string Hierarchy list markup.
*/
public function render_list( $facet, $items, $parent = 0 ) {
$list = '';
foreach ( $items as $index => $item ) {
// If is not a child item or root item.
if ( (int) $item->facet_parent !== (int) $parent ) {
continue;
}
$hidden = $this->count >= $facet['display_limit'] ? ' hidden' : '';
$list .= '<li' . esc_attr( $hidden ) . '>';
$list .= $this->render_item( $facet, $item );
// Count rendered items.
++$this->count;
// To prevent infinite loop with back link id set to 0.
if ( $item->facet_id ) {
$list .= $this->render_list( $facet, $items, $item->facet_id );
}
$list .= '</li>';
unset( $items[ $index ] );
}
if ( empty( $list ) ) {
return;
}
$output = '<ul class="wpgb-hierarchical-list">';
$output .= $list;
$output .= '</ul>';
if ( 0 === $parent && $this->count > $facet['display_limit'] ) {
$output .= '<button type="button" class="wpgb-toggle-hidden" aria-expanded="false">';
$output .= esc_html( str_replace( '[number]', $this->count - $facet['display_limit'], $facet['show_more_label'] ) );
$output .= '</button>';
}
return $output;
}
/**
* Render Checkbox
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @param array $item Holds current list item.
* @return string Hierarchy item markup.
*/
public function render_item( $facet, $item ) {
$disabled = isset( $item->count ) ? ! $item->count : 0;
$checked = in_array( $item->facet_value, $facet['selected'], true );
$pressed = $checked ? 'true' : 'false';
$output = '<div class="wpgb-hierarchy" role="button" aria-pressed="' . esc_attr( $pressed ) . '" tabindex="0">';
$output .= $this->render_input( $facet, $item );
if ( ! $item->count && ! $checked ) {
$output .= '<span class="wpgb-hierarchy-control">';
$output .= wpgb_svg_icon( 'wpgb/arrows/arrow-left', false );
$output .= '</span>';
}
$output .= '<span class="wpgb-hierarchy-label">';
$output .= esc_html( $item->facet_name );
$output .= $item->count && $facet['show_count'] ? ' <span>(' . (int) $item->count . ')</span>' : '';
$output .= '</span>';
$output .= '</div>';
return apply_filters( 'wp_grid_builder/facet/hierarchy', $output, $facet, $item );
}
/**
* Render radio input
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @param array $item Holds current list item.
* @return string Radio input markup.
*/
public function render_input( $facet, $item ) {
return sprintf(
'<input type="hidden" name="%1$s" value="%2$s">',
esc_attr( $facet['slug'] ),
esc_attr( $item->facet_value )
);
}
/**
* Query object ids (post, user, term) for selected facet values
*
* @since 1.0.0
* @access public
*
* @param array $facet Holds facet settings.
* @return array Holds queried facet object ids.
*/
public function query_objects( $facet ) {
return ( new Radio() )->query_objects( $facet );
}
}
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