woocommerce/includes/widgets/class-wc-widget-price-filte...

183 lines
6.3 KiB
PHP

<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Price Filter Widget and related functions
*
* Generates a range slider to filter products by price.
*
* @author WooThemes
* @category Widgets
* @package WooCommerce/Widgets
* @version 2.3.0
* @extends WC_Widget
*/
class WC_Widget_Price_Filter extends WC_Widget {
/**
* Constructor
*/
public function __construct() {
$this->widget_cssclass = 'woocommerce widget_price_filter';
$this->widget_description = __( 'Shows a price filter slider in a widget which lets you narrow down the list of shown products when viewing product categories.', 'woocommerce' );
$this->widget_id = 'woocommerce_price_filter';
$this->widget_name = __( 'WooCommerce Price Filter', 'woocommerce' );
$this->settings = array(
'title' => array(
'type' => 'text',
'std' => __( 'Filter by price', 'woocommerce' ),
'label' => __( 'Title', 'woocommerce' )
)
);
parent::__construct();
}
/**
* widget function.
*
* @see WP_Widget
*
* @param array $args
* @param array $instance
*
* @return void
*/
public function widget( $args, $instance ) {
global $_chosen_attributes, $wpdb, $wp;
if ( ! is_post_type_archive( 'product' ) && ! is_tax( get_object_taxonomies( 'product' ) ) ) {
return;
}
if ( sizeof( WC()->query->unfiltered_product_ids ) == 0 ) {
return; // None shown - return
}
$min_price = isset( $_GET['min_price'] ) ? esc_attr( $_GET['min_price'] ) : '';
$max_price = isset( $_GET['max_price'] ) ? esc_attr( $_GET['max_price'] ) : '';
wp_enqueue_script( 'wc-price-slider' );
// Remember current filters/search
$fields = '';
if ( get_search_query() ) {
$fields .= '<input type="hidden" name="s" value="' . get_search_query() . '" />';
}
if ( ! empty( $_GET['post_type'] ) ) {
$fields .= '<input type="hidden" name="post_type" value="' . esc_attr( $_GET['post_type'] ) . '" />';
}
if ( ! empty ( $_GET['product_cat'] ) ) {
$fields .= '<input type="hidden" name="product_cat" value="' . esc_attr( $_GET['product_cat'] ) . '" />';
}
if ( ! empty( $_GET['product_tag'] ) ) {
$fields .= '<input type="hidden" name="product_tag" value="' . esc_attr( $_GET['product_tag'] ) . '" />';
}
if ( ! empty( $_GET['orderby'] ) ) {
$fields .= '<input type="hidden" name="orderby" value="' . esc_attr( $_GET['orderby'] ) . '" />';
}
if ( $_chosen_attributes ) {
foreach ( $_chosen_attributes as $attribute => $data ) {
$taxonomy_filter = 'filter_' . str_replace( 'pa_', '', $attribute );
$fields .= '<input type="hidden" name="' . esc_attr( $taxonomy_filter ) . '" value="' . esc_attr( implode( ',', $data['terms'] ) ) . '" />';
if ( 'or' == $data['query_type'] ) {
$fields .= '<input type="hidden" name="' . esc_attr( str_replace( 'pa_', 'query_type_', $attribute ) ) . '" value="or" />';
}
}
}
if ( 0 === sizeof( WC()->query->layered_nav_product_ids ) ) {
$min = floor( $wpdb->get_var(
$wpdb->prepare('
SELECT min(meta_value + 0)
FROM %1$s
LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price', '_min_variation_price' ) ) ) . '")
AND meta_value != ""
', $wpdb->posts, $wpdb->postmeta )
) );
$max = ceil( $wpdb->get_var(
$wpdb->prepare('
SELECT max(meta_value + 0)
FROM %1$s
LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) . '")
', $wpdb->posts, $wpdb->postmeta, '_price' )
) );
} else {
$min = floor( $wpdb->get_var(
$wpdb->prepare('
SELECT min(meta_value + 0)
FROM %1$s
LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price', '_min_variation_price' ) ) ) . '")
AND meta_value != ""
AND (
%1$s.ID IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
OR (
%1$s.post_parent IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
AND %1$s.post_parent != 0
)
)
', $wpdb->posts, $wpdb->postmeta
) ) );
$max = ceil( $wpdb->get_var(
$wpdb->prepare('
SELECT max(meta_value + 0)
FROM %1$s
LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) . '")
AND (
%1$s.ID IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
OR (
%1$s.post_parent IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
AND %1$s.post_parent != 0
)
)
', $wpdb->posts, $wpdb->postmeta
) ) );
}
if ( $min == $max ) {
return;
}
$this->widget_start( $args, $instance );
if ( '' == get_option( 'permalink_structure' ) ) {
$form_action = remove_query_arg( array( 'page', 'paged' ), add_query_arg( $wp->query_string, '', home_url( $wp->request ) ) );
} else {
$form_action = preg_replace( '%\/page/[0-9]+%', '', home_url( $wp->request ) );
}
echo '<form method="get" action="' . esc_url( $form_action ) . '">
<div class="price_slider_wrapper">
<div class="price_slider" style="display:none;"></div>
<div class="price_slider_amount">
<input type="text" id="min_price" name="min_price" value="' . esc_attr( $min_price ) . '" data-min="' . esc_attr( apply_filters( 'woocommerce_price_filter_widget_amount', $min ) ) . '" placeholder="' . __('Min price', 'woocommerce' ) . '" />
<input type="text" id="max_price" name="max_price" value="' . esc_attr( $max_price ) . '" data-max="' . esc_attr( apply_filters( 'woocommerce_price_filter_widget_amount', $max ) ) . '" placeholder="' . __( 'Max price', 'woocommerce' ) . '" />
<button type="submit" class="button">' . __( 'Filter', 'woocommerce' ) . '</button>
<div class="price_label" style="display:none;">
' . __( 'Price:', 'woocommerce' ) . ' <span class="from"></span> &mdash; <span class="to"></span>
</div>
' . $fields . '
<div class="clear"></div>
</div>
</div>
</form>';
$this->widget_end( $args );
}
}