184 lines
6.8 KiB
PHP
184 lines
6.8 KiB
PHP
<?php
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/**
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* Price Filter Widget and related functions.
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*
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* Generates a range slider to filter products by price.
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*
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* @package WooCommerce/Widgets
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* @version 2.3.0
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*/
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defined( 'ABSPATH' ) || exit;
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/**
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* Widget price filter class.
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*/
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class WC_Widget_Price_Filter extends WC_Widget {
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->widget_cssclass = 'woocommerce widget_price_filter';
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$this->widget_description = __( 'Display a slider to filter products in your store by price.', 'woocommerce' );
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$this->widget_id = 'woocommerce_price_filter';
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$this->widget_name = __( 'Filter Products by Price', 'woocommerce' );
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$this->settings = array(
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'title' => array(
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'type' => 'text',
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'std' => __( 'Filter by price', 'woocommerce' ),
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'label' => __( 'Title', 'woocommerce' ),
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),
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);
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$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
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wp_register_script( 'accounting', WC()->plugin_url() . '/assets/js/accounting/accounting' . $suffix . '.js', array( 'jquery' ), '0.4.2', true );
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wp_register_script( 'wc-jquery-ui-touchpunch', WC()->plugin_url() . '/assets/js/jquery-ui-touch-punch/jquery-ui-touch-punch' . $suffix . '.js', array( 'jquery-ui-slider' ), WC_VERSION, true );
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wp_register_script( 'wc-price-slider', WC()->plugin_url() . '/assets/js/frontend/price-slider' . $suffix . '.js', array( 'jquery-ui-slider', 'wc-jquery-ui-touchpunch', 'accounting' ), WC_VERSION, true );
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wp_localize_script(
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'wc-price-slider',
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'woocommerce_price_slider_params',
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array(
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'currency_format_num_decimals' => 0,
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'currency_format_symbol' => get_woocommerce_currency_symbol(),
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'currency_format_decimal_sep' => esc_attr( wc_get_price_decimal_separator() ),
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'currency_format_thousand_sep' => esc_attr( wc_get_price_thousand_separator() ),
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'currency_format' => esc_attr( str_replace( array( '%1$s', '%2$s' ), array( '%s', '%v' ), get_woocommerce_price_format() ) ),
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)
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);
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if ( is_customize_preview() ) {
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wp_enqueue_script( 'wc-price-slider' );
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}
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parent::__construct();
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}
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/**
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* Output widget.
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*
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* @see WP_Widget
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*
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* @param array $args Arguments.
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* @param array $instance Widget instance.
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*/
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public function widget( $args, $instance ) {
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global $wp;
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// Requires lookup table added in 3.6.
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if ( version_compare( get_option( 'woocommerce_db_version', null ), '3.6', '<' ) ) {
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return;
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}
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if ( ! is_shop() && ! is_product_taxonomy() ) {
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return;
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}
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// If there are not posts and we're not filtering, hide the widget.
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if ( ! WC()->query->get_main_query()->post_count && ! isset( $_GET['min_price'] ) && ! isset( $_GET['max_price'] ) ) { // WPCS: input var ok, CSRF ok.
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return;
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}
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wp_enqueue_script( 'wc-price-slider' );
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// Round values to nearest 10 by default.
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$step = max( apply_filters( 'woocommerce_price_filter_widget_step', 10 ), 1 );
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// Find min and max price in current result set.
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$prices = $this->get_filtered_price();
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$min_price = $prices->min_price;
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$max_price = $prices->max_price;
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// Check to see if we should add taxes to the prices if store are excl tax but display incl.
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$tax_display_mode = get_option( 'woocommerce_tax_display_shop' );
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if ( wc_tax_enabled() && ! wc_prices_include_tax() && 'incl' === $tax_display_mode ) {
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$tax_class = apply_filters( 'woocommerce_price_filter_widget_tax_class', '' ); // Uses standard tax class.
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$tax_rates = WC_Tax::get_rates( $tax_class );
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if ( $tax_rates ) {
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$min_price += WC_Tax::get_tax_total( WC_Tax::calc_exclusive_tax( $min_price, $tax_rates ) );
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$max_price += WC_Tax::get_tax_total( WC_Tax::calc_exclusive_tax( $max_price, $tax_rates ) );
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}
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}
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$min_price = apply_filters( 'woocommerce_price_filter_widget_min_amount', floor( $min_price / $step ) * $step );
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$max_price = apply_filters( 'woocommerce_price_filter_widget_max_amount', ceil( $max_price / $step ) * $step );
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// If both min and max are equal, we don't need a slider.
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if ( $min_price === $max_price ) {
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return;
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}
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$current_min_price = isset( $_GET['min_price'] ) ? floor( floatval( wp_unslash( $_GET['min_price'] ) ) / $step ) * $step : $min_price; // WPCS: input var ok, CSRF ok.
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$current_max_price = isset( $_GET['max_price'] ) ? ceil( floatval( wp_unslash( $_GET['max_price'] ) ) / $step ) * $step : $max_price; // WPCS: input var ok, CSRF ok.
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$this->widget_start( $args, $instance );
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if ( '' === get_option( 'permalink_structure' ) ) {
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$form_action = remove_query_arg( array( 'page', 'paged', 'product-page' ), add_query_arg( $wp->query_string, '', home_url( $wp->request ) ) );
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} else {
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$form_action = preg_replace( '%\/page/[0-9]+%', '', home_url( trailingslashit( $wp->request ) ) );
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}
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wc_get_template(
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'content-widget-price-filter.php',
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array(
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'form_action' => $form_action,
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'step' => $step,
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'min_price' => $min_price,
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'max_price' => $max_price,
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'current_min_price' => $current_min_price,
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'current_max_price' => $current_max_price,
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)
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);
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$this->widget_end( $args );
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}
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/**
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* Get filtered min price for current products.
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*
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* @return int
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*/
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protected function get_filtered_price() {
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global $wpdb;
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$args = WC()->query->get_main_query()->query_vars;
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$tax_query = isset( $args['tax_query'] ) ? $args['tax_query'] : array();
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$meta_query = isset( $args['meta_query'] ) ? $args['meta_query'] : array();
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if ( ! is_post_type_archive( 'product' ) && ! empty( $args['taxonomy'] ) && ! empty( $args['term'] ) ) {
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$tax_query[] = WC()->query->get_main_tax_query();
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}
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foreach ( $meta_query + $tax_query as $key => $query ) {
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if ( ! empty( $query['price_filter'] ) || ! empty( $query['rating_filter'] ) ) {
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unset( $meta_query[ $key ] );
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}
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}
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$meta_query = new WP_Meta_Query( $meta_query );
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$tax_query = new WP_Tax_Query( $tax_query );
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$search = WC_Query::get_main_search_query_sql();
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$meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' );
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$tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' );
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$search_query_sql = $search ? ' AND ' . $search : '';
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$sql = "
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SELECT min( min_price ) as min_price, MAX( max_price ) as max_price
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FROM {$wpdb->wc_product_meta_lookup}
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WHERE product_id IN (
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SELECT ID FROM {$wpdb->posts}
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" . $tax_query_sql['join'] . $meta_query_sql['join'] . "
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WHERE {$wpdb->posts}.post_type IN ('" . implode( "','", array_map( 'esc_sql', apply_filters( 'woocommerce_price_filter_post_type', array( 'product' ) ) ) ) . "')
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AND {$wpdb->posts}.post_status = 'publish'
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" . $tax_query_sql['where'] . $meta_query_sql['where'] . $search_query_sql . '
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)';
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$sql = apply_filters( 'woocommerce_price_filter_sql', $sql, $meta_query_sql, $tax_query_sql );
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return $wpdb->get_row( $sql ); // WPCS: unprepared SQL ok.
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}
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}
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