162 lines
6.5 KiB
PHP
162 lines
6.5 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' );
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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' . $suffix . '.js', array( 'jquery-ui-slider', 'wc-jquery-ui-touchpunch', 'accounting' ), WC_VERSION, true );
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wp_localize_script(
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'wc-price-slider', 'woocommerce_price_slider_params', array(
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'currency_format_num_decimals' => 0,
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'currency_format_symbol' => get_woocommerce_currency_symbol(),
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'currency_format_decimal_sep' => esc_attr( wc_get_price_decimal_separator() ),
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'currency_format_thousand_sep' => esc_attr( wc_get_price_thousand_separator() ),
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'currency_format' => esc_attr( str_replace( array( '%1$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 $wp;
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if ( ! is_shop() && ! is_product_taxonomy() ) {
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return;
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}
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if ( ! wc()->query->get_main_query()->post_count ) {
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return;
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}
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wp_enqueue_script( 'wc-price-slider' );
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// Find min and max price in current result set.
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$prices = $this->get_filtered_price();
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$min = floor( $prices->min_price );
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$max = ceil( $prices->max_price );
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if ( $min === $max ) {
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return;
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}
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$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( $wp->request ) ) );
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}
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$min_price = isset( $_GET['min_price'] ) ? wc_clean( wp_unslash( $_GET['min_price'] ) ) : apply_filters( 'woocommerce_price_filter_widget_min_amount', $min ); // WPCS: input var ok, CSRF ok.
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$max_price = isset( $_GET['max_price'] ) ? wc_clean( wp_unslash( $_GET['max_price'] ) ) : apply_filters( 'woocommerce_price_filter_widget_max_amount', $max ); // WPCS: input var ok, CSRF ok.
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echo '<form method="get" action="' . esc_url( $form_action ) . '">
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<div class="price_slider_wrapper">
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<div class="price_slider" style="display:none;"></div>
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<div class="price_slider_amount">
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<input type="text" id="min_price" name="min_price" value="' . esc_attr( $min_price ) . '" data-min="' . esc_attr( apply_filters( 'woocommerce_price_filter_widget_min_amount', $min ) ) . '" placeholder="' . esc_attr__( 'Min price', 'woocommerce' ) . '" />
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<input type="text" id="max_price" name="max_price" value="' . esc_attr( $max_price ) . '" data-max="' . esc_attr( apply_filters( 'woocommerce_price_filter_widget_max_amount', $max ) ) . '" placeholder="' . esc_attr__( 'Max price', 'woocommerce' ) . '" />
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<button type="submit" class="button">' . esc_html__( 'Filter', 'woocommerce' ) . '</button>
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<div class="price_label" style="display:none;">
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' . esc_html__( 'Price:', 'woocommerce' ) . ' <span class="from"></span> — <span class="to"></span>
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</div>
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' . wc_query_string_form_fields( null, array( 'min_price', 'max_price' ), '', true ) . '
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<div class="clear"></div>
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</div>
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</div>
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</form>'; // WPCS: XSS ok.
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$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[] = array(
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'taxonomy' => $args['taxonomy'],
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'terms' => array( $args['term'] ),
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'field' => 'slug',
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);
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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( $tax_query );
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$meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' );
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$tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' );
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$sql = "SELECT min( FLOOR( price_meta.meta_value ) ) as min_price, max( CEILING( price_meta.meta_value ) ) as max_price FROM {$wpdb->posts} ";
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$sql .= " LEFT JOIN {$wpdb->postmeta} as price_meta ON {$wpdb->posts}.ID = price_meta.post_id " . $tax_query_sql['join'] . $meta_query_sql['join'];
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$sql .= " 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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AND price_meta.meta_key IN ('" . implode( "','", array_map( 'esc_sql', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) ) . "')
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AND price_meta.meta_value > '' ";
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$sql .= $tax_query_sql['where'] . $meta_query_sql['where'];
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$search = WC_Query::get_main_search_query_sql();
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if ( $search ) {
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$sql .= ' AND ' . $search;
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}
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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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