183 lines
6.3 KiB
PHP
183 lines
6.3 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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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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* @author WooThemes
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* @category Widgets
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* @package WooCommerce/Widgets
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* @version 2.3.0
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* @extends WC_Widget
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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 = __( 'Shows a price filter slider in a widget which lets you narrow down the list of shown products when viewing product categories.', 'woocommerce' );
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$this->widget_id = 'woocommerce_price_filter';
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$this->widget_name = __( 'WooCommerce Price Filter', '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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parent::__construct();
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}
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/**
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* widget function.
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*
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* @see WP_Widget
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*
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* @param array $args
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* @param array $instance
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*
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* @return void
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*/
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public function widget( $args, $instance ) {
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global $_chosen_attributes, $wpdb, $wp;
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if ( ! is_post_type_archive( 'product' ) && ! is_tax( get_object_taxonomies( 'product' ) ) ) {
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return;
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}
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if ( sizeof( WC()->query->unfiltered_product_ids ) == 0 ) {
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return; // None shown - return
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}
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$min_price = isset( $_GET['min_price'] ) ? esc_attr( $_GET['min_price'] ) : '';
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$max_price = isset( $_GET['max_price'] ) ? esc_attr( $_GET['max_price'] ) : '';
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wp_enqueue_script( 'wc-price-slider' );
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// Remember current filters/search
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$fields = '';
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if ( get_search_query() ) {
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$fields .= '<input type="hidden" name="s" value="' . get_search_query() . '" />';
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}
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if ( ! empty( $_GET['post_type'] ) ) {
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$fields .= '<input type="hidden" name="post_type" value="' . esc_attr( $_GET['post_type'] ) . '" />';
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}
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if ( ! empty ( $_GET['product_cat'] ) ) {
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$fields .= '<input type="hidden" name="product_cat" value="' . esc_attr( $_GET['product_cat'] ) . '" />';
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}
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if ( ! empty( $_GET['product_tag'] ) ) {
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$fields .= '<input type="hidden" name="product_tag" value="' . esc_attr( $_GET['product_tag'] ) . '" />';
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}
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if ( ! empty( $_GET['orderby'] ) ) {
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$fields .= '<input type="hidden" name="orderby" value="' . esc_attr( $_GET['orderby'] ) . '" />';
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}
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if ( $_chosen_attributes ) {
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foreach ( $_chosen_attributes as $attribute => $data ) {
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$taxonomy_filter = 'filter_' . str_replace( 'pa_', '', $attribute );
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$fields .= '<input type="hidden" name="' . esc_attr( $taxonomy_filter ) . '" value="' . esc_attr( implode( ',', $data['terms'] ) ) . '" />';
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if ( 'or' == $data['query_type'] ) {
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$fields .= '<input type="hidden" name="' . esc_attr( str_replace( 'pa_', 'query_type_', $attribute ) ) . '" value="or" />';
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}
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}
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}
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if ( 0 === sizeof( WC()->query->layered_nav_product_ids ) ) {
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$min = floor( $wpdb->get_var(
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$wpdb->prepare('
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SELECT min(meta_value + 0)
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FROM %1$s
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LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
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WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price', '_min_variation_price' ) ) ) . '")
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AND meta_value != ""
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', $wpdb->posts, $wpdb->postmeta )
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) );
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$max = ceil( $wpdb->get_var(
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$wpdb->prepare('
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SELECT max(meta_value + 0)
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FROM %1$s
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LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
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WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) . '")
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', $wpdb->posts, $wpdb->postmeta, '_price' )
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) );
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} else {
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$min = floor( $wpdb->get_var(
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$wpdb->prepare('
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SELECT min(meta_value + 0)
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FROM %1$s
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LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
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WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price', '_min_variation_price' ) ) ) . '")
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AND meta_value != ""
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AND (
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%1$s.ID IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
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OR (
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%1$s.post_parent IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
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AND %1$s.post_parent != 0
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)
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)
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', $wpdb->posts, $wpdb->postmeta
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) ) );
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$max = ceil( $wpdb->get_var(
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$wpdb->prepare('
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SELECT max(meta_value + 0)
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FROM %1$s
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LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id
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WHERE meta_key IN ("' . implode( '","', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) . '")
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AND (
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%1$s.ID IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
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OR (
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%1$s.post_parent IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ')
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AND %1$s.post_parent != 0
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)
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)
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', $wpdb->posts, $wpdb->postmeta
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) ) );
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}
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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' ), 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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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="' . __('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="' . __( 'Max price', 'woocommerce' ) . '" />
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<button type="submit" class="button">' . __( 'Filter', 'woocommerce' ) . '</button>
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<div class="price_label" style="display:none;">
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' . __( 'Price:', 'woocommerce' ) . ' <span class="from"></span> — <span class="to"></span>
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</div>
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' . $fields . '
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<div class="clear"></div>
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</div>
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</div>
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</form>';
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$this->widget_end( $args );
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}
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}
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