666 lines
20 KiB
PHP
666 lines
20 KiB
PHP
<?php
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/**
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* WooCommerce Terms
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*
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* Functions for handling terms/term meta.
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*
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* @author WooThemes
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* @category Core
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* @package WooCommerce/Functions
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* @version 2.1.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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/**
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* Wrapper for wp_get_post_terms which supports ordering by parent.
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*
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* NOTE: At this point in time, ordering by menu_order for example isn't possible with this function. wp_get_post_terms has no.
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* filters which we can utilise to modify it's query. https://core.trac.wordpress.org/ticket/19094.
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*
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* @param int $product_id
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* @param string $taxonomy
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* @param array $args
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* @return array
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*/
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function wc_get_product_terms( $product_id, $taxonomy, $args = array() ) {
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if ( ! taxonomy_exists( $taxonomy ) ) {
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return array();
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}
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if ( empty( $args['orderby'] ) && taxonomy_is_product_attribute( $taxonomy ) ) {
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$args['orderby'] = wc_attribute_orderby( $taxonomy );
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}
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// Support ordering by parent
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if ( ! empty( $args['orderby'] ) && in_array( $args['orderby'], array( 'name_num', 'parent' ) ) ) {
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$fields = isset( $args['fields'] ) ? $args['fields'] : 'all';
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$orderby = $args['orderby'];
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// Unset for wp_get_post_terms
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unset( $args['orderby'] );
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unset( $args['fields'] );
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$terms = wp_get_post_terms( $product_id, $taxonomy, $args );
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switch ( $orderby ) {
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case 'name_num' :
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usort( $terms, '_wc_get_product_terms_name_num_usort_callback' );
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break;
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case 'parent' :
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usort( $terms, '_wc_get_product_terms_parent_usort_callback' );
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break;
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}
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switch ( $fields ) {
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case 'names' :
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$terms = wp_list_pluck( $terms, 'name' );
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break;
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case 'ids' :
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$terms = wp_list_pluck( $terms, 'term_id' );
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break;
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case 'slugs' :
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$terms = wp_list_pluck( $terms, 'slug' );
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break;
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}
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} elseif ( ! empty( $args['orderby'] ) && $args['orderby'] === 'menu_order' ) {
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// wp_get_post_terms doesn't let us use custom sort order
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$args['include'] = wp_get_post_terms( $product_id, $taxonomy, array( 'fields' => 'ids' ) );
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if ( empty( $args['include'] ) ) {
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$terms = array();
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} else {
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// This isn't needed for get_terms
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unset( $args['orderby'] );
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// Set args for get_terms
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$args['menu_order'] = isset( $args['order'] ) ? $args['order'] : 'ASC';
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$args['hide_empty'] = isset( $args['hide_empty'] ) ? $args['hide_empty'] : 0;
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$args['fields'] = isset( $args['fields'] ) ? $args['fields'] : 'names';
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// Ensure slugs is valid for get_terms - slugs isn't supported
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$args['fields'] = $args['fields'] === 'slugs' ? 'id=>slug' : $args['fields'];
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$terms = get_terms( $taxonomy, $args );
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}
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} else {
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$terms = wp_get_post_terms( $product_id, $taxonomy, $args );
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}
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return apply_filters( 'woocommerce_get_product_terms' , $terms, $product_id, $taxonomy, $args );
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}
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/**
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* Sort by name (numeric).
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* @param WP_POST object $a
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* @param WP_POST object $b
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* @return int
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*/
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function _wc_get_product_terms_name_num_usort_callback( $a, $b ) {
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if ( $a->name + 0 === $b->name + 0 ) {
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return 0;
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}
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return ( $a->name + 0 < $b->name + 0 ) ? -1 : 1;
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}
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/**
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* Sort by parent.
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* @param WP_POST object $a
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* @param WP_POST object $b
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* @return int
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*/
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function _wc_get_product_terms_parent_usort_callback( $a, $b ) {
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if ( $a->parent === $b->parent ) {
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return 0;
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}
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return ( $a->parent < $b->parent ) ? 1 : -1;
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}
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/**
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* WooCommerce Dropdown categories.
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*
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* Stuck with this until a fix for http://core.trac.wordpress.org/ticket/13258.
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* We use a custom walker, just like WordPress does.
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*
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* @param int $deprecated_show_uncategorized (default: 1)
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* @return string
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*/
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function wc_product_dropdown_categories( $args = array(), $deprecated_hierarchical = 1, $deprecated_show_uncategorized = 1, $deprecated_orderby = '' ) {
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global $wp_query;
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if ( ! is_array( $args ) ) {
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_deprecated_argument( 'wc_product_dropdown_categories()', '2.1', 'show_counts, hierarchical, show_uncategorized and orderby arguments are invalid - pass a single array of values instead.' );
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$args['show_count'] = $args;
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$args['hierarchical'] = $deprecated_hierarchical;
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$args['show_uncategorized'] = $deprecated_show_uncategorized;
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$args['orderby'] = $deprecated_orderby;
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}
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$current_product_cat = isset( $wp_query->query['product_cat'] ) ? $wp_query->query['product_cat'] : '';
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$defaults = array(
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'pad_counts' => 1,
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'show_count' => 1,
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'hierarchical' => 1,
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'hide_empty' => 1,
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'show_uncategorized' => 1,
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'orderby' => 'name',
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'selected' => $current_product_cat,
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'menu_order' => false
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);
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$args = wp_parse_args( $args, $defaults );
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if ( $args['orderby'] == 'order' ) {
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$args['menu_order'] = 'asc';
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$args['orderby'] = 'name';
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}
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$terms = get_terms( 'product_cat', apply_filters( 'wc_product_dropdown_categories_get_terms_args', $args ) );
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if ( ! $terms ) {
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return;
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}
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$output = "<select name='product_cat' class='dropdown_product_cat'>";
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$output .= '<option value="" ' . selected( $current_product_cat, '', false ) . '>' . __( 'Select a category', 'woocommerce' ) . '</option>';
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$output .= wc_walk_category_dropdown_tree( $terms, 0, $args );
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if ( $args['show_uncategorized'] ) {
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$output .= '<option value="0" ' . selected( $current_product_cat, '0', false ) . '>' . __( 'Uncategorized', 'woocommerce' ) . '</option>';
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}
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$output .= "</select>";
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echo $output;
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}
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/**
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* Walk the Product Categories.
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*
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* @return mixed
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*/
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function wc_walk_category_dropdown_tree() {
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if ( ! class_exists( 'WC_Product_Cat_Dropdown_Walker' ) ) {
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include_once( WC()->plugin_path() . '/includes/walkers/class-product-cat-dropdown-walker.php' );
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}
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$args = func_get_args();
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// the user's options are the third parameter
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if ( empty( $args[2]['walker']) || !is_a($args[2]['walker'], 'Walker' ) ) {
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$walker = new WC_Product_Cat_Dropdown_Walker;
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} else {
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$walker = $args[2]['walker'];
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}
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return call_user_func_array( array( &$walker, 'walk' ), $args );
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}
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/**
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* WooCommerce Term/Order item Meta API - set table name.
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*/
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function wc_taxonomy_metadata_wpdbfix() {
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global $wpdb;
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$termmeta_name = 'woocommerce_termmeta';
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$itemmeta_name = 'woocommerce_order_itemmeta';
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$wpdb->woocommerce_termmeta = $wpdb->prefix . $termmeta_name;
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$wpdb->order_itemmeta = $wpdb->prefix . $itemmeta_name;
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$wpdb->tables[] = 'woocommerce_termmeta';
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$wpdb->tables[] = 'woocommerce_order_itemmeta';
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}
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add_action( 'init', 'wc_taxonomy_metadata_wpdbfix', 0 );
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add_action( 'switch_blog', 'wc_taxonomy_metadata_wpdbfix', 0 );
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/**
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* When a term is split, ensure meta data maintained.
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* @param int $old_term_id
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* @param int $new_term_id
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* @param string $term_taxonomy_id
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* @param string $taxonomy
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*/
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function wc_taxonomy_metadata_update_content_for_split_terms( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
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global $wpdb;
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if ( 'product_cat' === $taxonomy || taxonomy_is_product_attribute( $taxonomy ) ) {
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$old_meta_data = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}woocommerce_termmeta WHERE woocommerce_term_id = %d;", $old_term_id ) );
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// Copy across to split term
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if ( $old_meta_data ) {
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foreach ( $old_meta_data as $meta_data ) {
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$wpdb->insert(
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"{$wpdb->prefix}woocommerce_termmeta",
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array(
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'woocommerce_term_id' => $new_term_id,
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'meta_key' => $meta_data->meta_key,
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'meta_value' => $meta_data->meta_value
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)
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);
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}
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}
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}
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}
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add_action( 'split_shared_term', 'wc_taxonomy_metadata_update_content_for_split_terms', 10, 4 );
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/**
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* WooCommerce Term Meta API - Update term meta.
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*
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* @param mixed $term_id
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* @param string $meta_key
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* @param mixed $meta_value
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* @param string $prev_value (default: '')
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* @return bool
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*/
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function update_woocommerce_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) {
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return update_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $prev_value );
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}
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/**
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* WooCommerce Term Meta API - Add term meta.
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*
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* @param mixed $term_id
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* @param mixed $meta_key
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* @param mixed $meta_value
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* @param bool $unique (default: false)
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* @return bool
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*/
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function add_woocommerce_term_meta( $term_id, $meta_key, $meta_value, $unique = false ){
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return add_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $unique );
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}
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/**
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* WooCommerce Term Meta API - Delete term meta.
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*
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* @param mixed $term_id
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* @param mixed $meta_key
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* @param string $meta_value (default: '')
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* @param bool $delete_all (default: false)
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* @return bool
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*/
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function delete_woocommerce_term_meta( $term_id, $meta_key, $meta_value = '', $delete_all = false ) {
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return delete_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $delete_all );
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}
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/**
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* WooCommerce Term Meta API - Get term meta.
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*
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* @param mixed $term_id
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* @param string $key
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* @param bool $single (default: true)
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* @return mixed
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*/
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function get_woocommerce_term_meta( $term_id, $key, $single = true ) {
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return get_metadata( 'woocommerce_term', $term_id, $key, $single );
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}
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/**
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* Move a term before the a given element of its hierarchy level.
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*
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* @param int $the_term
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* @param int $next_id the id of the next sibling element in save hierarchy level
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* @param string $taxonomy
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* @param int $index (default: 0)
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* @param mixed $terms (default: null)
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* @return int
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*/
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function wc_reorder_terms( $the_term, $next_id, $taxonomy, $index = 0, $terms = null ) {
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if( ! $terms ) $terms = get_terms($taxonomy, 'menu_order=ASC&hide_empty=0&parent=0' );
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if( empty( $terms ) ) return $index;
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$id = $the_term->term_id;
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$term_in_level = false; // flag: is our term to order in this level of terms
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foreach ($terms as $term) {
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if( $term->term_id == $id ) { // our term to order, we skip
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$term_in_level = true;
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continue; // our term to order, we skip
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}
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// the nextid of our term to order, lets move our term here
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if(null !== $next_id && $term->term_id == $next_id) {
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$index++;
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$index = wc_set_term_order($id, $index, $taxonomy, true);
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}
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// set order
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$index++;
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$index = wc_set_term_order($term->term_id, $index, $taxonomy);
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// if that term has children we walk through them
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$children = get_terms($taxonomy, "parent={$term->term_id}&menu_order=ASC&hide_empty=0");
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if( !empty($children) ) {
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$index = wc_reorder_terms( $the_term, $next_id, $taxonomy, $index, $children );
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}
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}
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// no nextid meaning our term is in last position
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if( $term_in_level && null === $next_id )
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$index = wc_set_term_order($id, $index+1, $taxonomy, true);
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return $index;
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}
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/**
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* Set the sort order of a term.
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*
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* @param int $term_id
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* @param int $index
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* @param string $taxonomy
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* @param bool $recursive (default: false)
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* @return int
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*/
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function wc_set_term_order( $term_id, $index, $taxonomy, $recursive = false ) {
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$term_id = (int) $term_id;
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$index = (int) $index;
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// Meta name
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if ( taxonomy_is_product_attribute( $taxonomy ) )
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$meta_name = 'order_' . esc_attr( $taxonomy );
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else
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$meta_name = 'order';
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update_woocommerce_term_meta( $term_id, $meta_name, $index );
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if( ! $recursive ) return $index;
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$children = get_terms($taxonomy, "parent=$term_id&menu_order=ASC&hide_empty=0");
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foreach ( $children as $term ) {
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$index ++;
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$index = wc_set_term_order($term->term_id, $index, $taxonomy, true);
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}
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clean_term_cache( $term_id, $taxonomy );
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return $index;
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}
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/**
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* Add term ordering to get_terms.
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*
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* It enables the support a 'menu_order' parameter to get_terms for the product_cat taxonomy.
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* By default it is 'ASC'. It accepts 'DESC' too.
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*
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* To disable it, set it ot false (or 0).
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*
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* @param array $clauses
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* @param array $taxonomies
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* @param array $args
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* @return array
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*/
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function wc_terms_clauses( $clauses, $taxonomies, $args ) {
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global $wpdb;
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// No sorting when menu_order is false
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if ( isset( $args['menu_order'] ) && $args['menu_order'] == false ) {
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return $clauses;
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}
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// No sorting when orderby is non default
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if ( isset( $args['orderby'] ) && $args['orderby'] != 'name' ) {
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return $clauses;
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}
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// No sorting in admin when sorting by a column
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if ( is_admin() && isset( $_GET['orderby'] ) ) {
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return $clauses;
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}
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// wordpress should give us the taxonomies asked when calling the get_terms function. Only apply to categories and pa_ attributes
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$found = false;
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foreach ( (array) $taxonomies as $taxonomy ) {
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if ( taxonomy_is_product_attribute( $taxonomy ) || in_array( $taxonomy, apply_filters( 'woocommerce_sortable_taxonomies', array( 'product_cat' ) ) ) ) {
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$found = true;
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break;
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}
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}
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if ( ! $found ) {
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return $clauses;
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}
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// Meta name
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if ( ! empty( $taxonomies[0] ) && taxonomy_is_product_attribute( $taxonomies[0] ) ) {
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$meta_name = 'order_' . esc_attr( $taxonomies[0] );
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} else {
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$meta_name = 'order';
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}
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// query fields
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if ( strpos( 'COUNT(*)', $clauses['fields'] ) === false ) {
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$clauses['fields'] .= ', tm.* ';
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}
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//query join
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$clauses['join'] .= " LEFT JOIN {$wpdb->woocommerce_termmeta} AS tm ON (t.term_id = tm.woocommerce_term_id AND tm.meta_key = '". $meta_name ."') ";
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// default to ASC
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if ( ! isset( $args['menu_order'] ) || ! in_array( strtoupper($args['menu_order']), array('ASC', 'DESC')) ) {
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$args['menu_order'] = 'ASC';
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}
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$order = "ORDER BY tm.meta_value+0 " . $args['menu_order'];
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if ( $clauses['orderby'] ):
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$clauses['orderby'] = str_replace('ORDER BY', $order . ',', $clauses['orderby'] );
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else:
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$clauses['orderby'] = $order;
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endif;
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return $clauses;
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}
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add_filter( 'terms_clauses', 'wc_terms_clauses', 10, 3 );
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/**
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* Function for recounting product terms, ignoring hidden products.
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*
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* @param array $terms
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* @param string $taxonomy
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* @param boolean $callback
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* @param boolean $terms_are_term_taxonomy_ids
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*/
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function _wc_term_recount( $terms, $taxonomy, $callback = true, $terms_are_term_taxonomy_ids = true ) {
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global $wpdb;
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// Standard callback
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if ( $callback ) {
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_update_post_term_count( $terms, $taxonomy );
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}
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// Stock query
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if ( get_option( 'woocommerce_hide_out_of_stock_items' ) == 'yes' ) {
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$stock_join = "LEFT JOIN {$wpdb->postmeta} AS meta_stock ON posts.ID = meta_stock.post_id";
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$stock_query = "
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AND meta_stock.meta_key = '_stock_status'
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AND meta_stock.meta_value = 'instock'
|
|
";
|
|
} else {
|
|
$stock_query = $stock_join = '';
|
|
}
|
|
|
|
// Main query
|
|
$count_query = "
|
|
SELECT COUNT( DISTINCT posts.ID ) FROM {$wpdb->posts} as posts
|
|
LEFT JOIN {$wpdb->postmeta} AS meta_visibility ON posts.ID = meta_visibility.post_id
|
|
LEFT JOIN {$wpdb->term_relationships} AS rel ON posts.ID=rel.object_ID
|
|
LEFT JOIN {$wpdb->term_taxonomy} AS tax USING( term_taxonomy_id )
|
|
LEFT JOIN {$wpdb->terms} AS term USING( term_id )
|
|
LEFT JOIN {$wpdb->postmeta} AS postmeta ON posts.ID = postmeta.post_id
|
|
$stock_join
|
|
WHERE post_status = 'publish'
|
|
AND post_type = 'product'
|
|
AND meta_visibility.meta_key = '_visibility'
|
|
AND meta_visibility.meta_value IN ( 'visible', 'catalog' )
|
|
$stock_query
|
|
";
|
|
|
|
// Pre-process term taxonomy ids
|
|
if ( ! $terms_are_term_taxonomy_ids ) {
|
|
// We passed in an array of TERMS in format id=>parent
|
|
$terms = array_filter( (array) array_keys( $terms ) );
|
|
} else {
|
|
// If we have term taxonomy IDs we need to get the term ID
|
|
$term_taxonomy_ids = $terms;
|
|
$terms = array();
|
|
foreach ( $term_taxonomy_ids as $term_taxonomy_id ) {
|
|
$term = get_term_by( 'term_taxonomy_id', $term_taxonomy_id, $taxonomy->name );
|
|
$terms[] = $term->term_id;
|
|
}
|
|
}
|
|
|
|
// Exit if we have no terms to count
|
|
if ( ! $terms ) {
|
|
return;
|
|
}
|
|
|
|
// Ancestors need counting
|
|
if ( is_taxonomy_hierarchical( $taxonomy->name ) ) {
|
|
foreach ( $terms as $term_id ) {
|
|
$terms = array_merge( $terms, get_ancestors( $term_id, $taxonomy->name ) );
|
|
}
|
|
}
|
|
|
|
// Unique terms only
|
|
$terms = array_unique( $terms );
|
|
|
|
// Count the terms
|
|
foreach ( $terms as $term_id ) {
|
|
$terms_to_count = array( absint( $term_id ) );
|
|
|
|
if ( is_taxonomy_hierarchical( $taxonomy->name ) ) {
|
|
// We need to get the $term's hierarchy so we can count its children too
|
|
if ( ( $children = get_term_children( $term_id, $taxonomy->name ) ) && ! is_wp_error( $children ) ) {
|
|
$terms_to_count = array_unique( array_map( 'absint', array_merge( $terms_to_count, $children ) ) );
|
|
}
|
|
}
|
|
|
|
// Generate term query
|
|
$term_query = 'AND term_id IN ( ' . implode( ',', $terms_to_count ) . ' )';
|
|
|
|
// Get the count
|
|
$count = $wpdb->get_var( $count_query . $term_query );
|
|
|
|
// Update the count
|
|
update_woocommerce_term_meta( $term_id, 'product_count_' . $taxonomy->name, absint( $count ) );
|
|
}
|
|
|
|
delete_transient( 'wc_term_counts' );
|
|
}
|
|
|
|
/**
|
|
* Recount terms after the stock amount changes.
|
|
*
|
|
* @param int $product_id
|
|
*/
|
|
function wc_recount_after_stock_change( $product_id ) {
|
|
if ( get_option( 'woocommerce_hide_out_of_stock_items' ) != 'yes' )
|
|
return;
|
|
|
|
$product_terms = get_the_terms( $product_id, 'product_cat' );
|
|
|
|
if ( $product_terms ) {
|
|
$product_cats = array();
|
|
|
|
foreach ( $product_terms as $term ) {
|
|
$product_cats[ $term->term_id ] = $term->parent;
|
|
}
|
|
|
|
_wc_term_recount( $product_cats, get_taxonomy( 'product_cat' ), false, false );
|
|
}
|
|
|
|
$product_terms = get_the_terms( $product_id, 'product_tag' );
|
|
|
|
if ( $product_terms ) {
|
|
$product_tags = array();
|
|
|
|
foreach ( $product_terms as $term ) {
|
|
$product_tags[ $term->term_id ] = $term->parent;
|
|
}
|
|
|
|
_wc_term_recount( $product_tags, get_taxonomy( 'product_tag' ), false, false );
|
|
}
|
|
}
|
|
add_action( 'woocommerce_product_set_stock_status', 'wc_recount_after_stock_change' );
|
|
|
|
|
|
/**
|
|
* Overrides the original term count for product categories and tags with the product count.
|
|
* that takes catalog visibility into account.
|
|
*
|
|
* @param array $terms
|
|
* @param string|array $taxonomies
|
|
* @return array
|
|
*/
|
|
function wc_change_term_counts( $terms, $taxonomies ) {
|
|
if ( is_admin() || is_ajax() ) {
|
|
return $terms;
|
|
}
|
|
|
|
if ( ! isset( $taxonomies[0] ) || ! in_array( $taxonomies[0], apply_filters( 'woocommerce_change_term_counts', array( 'product_cat', 'product_tag' ) ) ) ) {
|
|
return $terms;
|
|
}
|
|
|
|
$term_counts = $o_term_counts = get_transient( 'wc_term_counts' );
|
|
|
|
foreach ( $terms as &$term ) {
|
|
if ( is_object( $term ) ) {
|
|
$term_counts[ $term->term_id ] = isset( $term_counts[ $term->term_id ] ) ? $term_counts[ $term->term_id ] : get_woocommerce_term_meta( $term->term_id, 'product_count_' . $taxonomies[0] , true );
|
|
|
|
if ( $term_counts[ $term->term_id ] !== '' ) {
|
|
$term->count = absint( $term_counts[ $term->term_id ] );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Update transient
|
|
if ( $term_counts != $o_term_counts ) {
|
|
set_transient( 'wc_term_counts', $term_counts, DAY_IN_SECONDS * 30 );
|
|
}
|
|
|
|
return $terms;
|
|
}
|
|
add_filter( 'get_terms', 'wc_change_term_counts', 10, 2 );
|
|
|
|
/**
|
|
* Return products in a given term, and cache value.
|
|
*
|
|
* To keep in sync, product_count will be cleared on "set_object_terms".
|
|
*
|
|
* @param int $term_id
|
|
* @param string $taxonomy
|
|
* @return array
|
|
*/
|
|
function wc_get_term_product_ids( $term_id, $taxonomy ) {
|
|
$product_ids = get_woocommerce_term_meta( $term_id, 'product_ids', true );
|
|
|
|
if ( false === $product_ids || ! is_array( $product_ids ) ) {
|
|
$product_ids = get_objects_in_term( $term_id, $taxonomy );
|
|
update_woocommerce_term_meta( $term_id, 'product_ids', $product_ids );
|
|
}
|
|
|
|
return $product_ids;
|
|
}
|
|
|
|
/**
|
|
* When a post is updated and terms recounted (called by _update_post_term_count), clear the ids.
|
|
* @param int $term_id
|
|
* @param int $object_id Object ID.
|
|
* @param array $terms An array of object terms.
|
|
* @param array $tt_ids An array of term taxonomy IDs.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param bool $append Whether to append new terms to the old terms.
|
|
* @param array $old_tt_ids Old array of term taxonomy IDs.
|
|
*/
|
|
function wc_clear_term_product_ids( $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids ) {
|
|
foreach ( $old_tt_ids as $term_id ) {
|
|
delete_woocommerce_term_meta( $term_id, 'product_ids' );
|
|
}
|
|
foreach ( $tt_ids as $term_id ) {
|
|
delete_woocommerce_term_meta( $term_id, 'product_ids' );
|
|
}
|
|
}
|
|
add_action( 'set_object_terms', 'wc_clear_term_product_ids', 10, 6 );
|