widget_cssclass = 'woocommerce widget_price_filter'; $this->widget_description = __( 'Display a slider to filter products in your store by price.', 'woocommerce' ); $this->widget_id = 'woocommerce_price_filter'; $this->widget_name = __( 'Filter Products by Price', 'woocommerce' ); $this->settings = array( 'title' => array( 'type' => 'text', 'std' => __( 'Filter by price', 'woocommerce' ), 'label' => __( 'Title', 'woocommerce' ), ), ); $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; wp_register_script( 'accounting', WC()->plugin_url() . '/assets/js/accounting/accounting' . $suffix . '.js', array( 'jquery' ), '0.4.2' ); 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 ); wp_register_script( 'wc-price-slider', WC()->plugin_url() . '/assets/js/frontend/price-slider' . $suffix . '.js', array( 'jquery-ui-slider', 'wc-jquery-ui-touchpunch', 'accounting' ), WC_VERSION, true ); wp_localize_script( 'wc-price-slider', 'woocommerce_price_slider_params', array( 'currency_format_num_decimals' => 0, 'currency_format_symbol' => get_woocommerce_currency_symbol(), 'currency_format_decimal_sep' => esc_attr( wc_get_price_decimal_separator() ), 'currency_format_thousand_sep' => esc_attr( wc_get_price_thousand_separator() ), 'currency_format' => esc_attr( str_replace( array( '%1$s', '%2$s' ), array( '%s', '%v' ), get_woocommerce_price_format() ) ), ) ); if ( is_customize_preview() ) { wp_enqueue_script( 'wc-price-slider' ); } parent::__construct(); } /** * Output widget. * * @see WP_Widget * * @param array $args * @param array $instance */ public function widget( $args, $instance ) { global $wp; if ( ! is_shop() && ! is_product_taxonomy() ) { return; } if ( ! wc()->query->get_main_query()->post_count ) { return; } wp_enqueue_script( 'wc-price-slider' ); // Find min and max price in current result set. $prices = $this->get_filtered_price(); $min = floor( $prices->min_price ); $max = ceil( $prices->max_price ); if ( $min === $max ) { return; } $this->widget_start( $args, $instance ); if ( '' === get_option( 'permalink_structure' ) ) { $form_action = remove_query_arg( array( 'page', 'paged', 'product-page' ), add_query_arg( $wp->query_string, '', home_url( $wp->request ) ) ); } else { $form_action = preg_replace( '%\/page/[0-9]+%', '', home_url( trailingslashit( $wp->request ) ) ); } $min_price = isset( $_GET['min_price'] ) ? esc_attr( $_GET['min_price'] ) : apply_filters( 'woocommerce_price_filter_widget_min_amount', $min ); $max_price = isset( $_GET['max_price'] ) ? esc_attr( $_GET['max_price'] ) : apply_filters( 'woocommerce_price_filter_widget_max_amount', $max ); echo ''; $this->widget_end( $args ); } /** * Get filtered min price for current products. * @return int */ protected function get_filtered_price() { global $wpdb; $args = wc()->query->get_main_query()->query_vars; $tax_query = isset( $args['tax_query'] ) ? $args['tax_query'] : array(); $meta_query = isset( $args['meta_query'] ) ? $args['meta_query'] : array(); if ( ! is_post_type_archive( 'product' ) && ! empty( $args['taxonomy'] ) && ! empty( $args['term'] ) ) { $tax_query[] = array( 'taxonomy' => $args['taxonomy'], 'terms' => array( $args['term'] ), 'field' => 'slug', ); } foreach ( $meta_query + $tax_query as $key => $query ) { if ( ! empty( $query['price_filter'] ) || ! empty( $query['rating_filter'] ) ) { unset( $meta_query[ $key ] ); } } $meta_query = new WP_Meta_Query( $meta_query ); $tax_query = new WP_Tax_Query( $tax_query ); $meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' ); $tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' ); $sql = "SELECT min( FLOOR( price_meta.meta_value ) ) as min_price, max( CEILING( price_meta.meta_value ) ) as max_price FROM {$wpdb->posts} "; $sql .= " LEFT JOIN {$wpdb->postmeta} as price_meta ON {$wpdb->posts}.ID = price_meta.post_id " . $tax_query_sql['join'] . $meta_query_sql['join']; $sql .= " WHERE {$wpdb->posts}.post_type IN ('" . implode( "','", array_map( 'esc_sql', apply_filters( 'woocommerce_price_filter_post_type', array( 'product' ) ) ) ) . "') AND {$wpdb->posts}.post_status = 'publish' AND price_meta.meta_key IN ('" . implode( "','", array_map( 'esc_sql', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) ) . "') AND price_meta.meta_value > '' "; $sql .= $tax_query_sql['where'] . $meta_query_sql['where']; if ( $search = WC_Query::get_main_search_query_sql() ) { $sql .= ' AND ' . $search; } return $wpdb->get_row( $sql ); } }