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<?php /** * WooCommerce Terms * * Functions for handling terms/term meta. * * @author WooThemes * @category Core * @package WooCommerce/Functions * @version 2.1.0 */
if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly }
/** * Wrapper for wp_get_post_terms which supports ordering by parent. * * NOTE: At this point in time, ordering by menu_order for example isn't possible with this function. wp_get_post_terms has no * filters which we can utilise to modify it's query. https://core.trac.wordpress.org/ticket/19094 * * @param int $product_id * @param string $taxonomy * @param array $args * @return array */ function wc_get_product_terms( $product_id, $taxonomy, $args = array() ) { if ( ! taxonomy_exists( $taxonomy ) ) { return array(); }
if ( empty( $args['orderby'] ) && taxonomy_is_product_attribute( $taxonomy ) ) { $args['orderby'] = wc_attribute_orderby( $taxonomy ); }
// Support ordering by parent if ( ! empty( $args['orderby'] ) && $args['orderby'] === 'parent' ) { $fields = isset( $args['fields'] ) ? $args['fields'] : 'all';
// Unset for wp_get_post_terms unset( $args['orderby'] ); unset( $args['fields'] );
$terms = wp_get_post_terms( $product_id, $taxonomy, $args );
usort( $terms, '_wc_get_product_terms_parent_usort_callback' );
switch ( $fields ) { case 'names' : $terms = wp_list_pluck( $terms, 'name' ); break; case 'ids' : $terms = wp_list_pluck( $terms, 'term_id' ); break; case 'slugs' : $terms = wp_list_pluck( $terms, 'slug' ); break; } } elseif ( ! empty( $args['orderby'] ) && $args['orderby'] === 'menu_order' ) { // wp_get_post_terms doesn't let us use custom sort order $args['include'] = wp_get_post_terms( $product_id, $taxonomy, array( 'fields' => 'ids' ) );
if ( empty( $args['include'] ) ) { $terms = array(); } else { // This isn't needed for get_terms unset( $args['orderby'] );
// Set args for get_terms $args['menu_order'] = isset( $args['order'] ) ? $args['order'] : 'ASC'; $args['hide_empty'] = isset( $args['hide_empty'] ) ? $args['hide_empty'] : 0; $args['fields'] = isset( $args['fields'] ) ? $args['fields'] : 'names';
// Ensure slugs is valid for get_terms - slugs isn't supported $args['fields'] = $args['fields'] === 'slugs' ? 'id=>slug' : $args['fields']; $terms = get_terms( $taxonomy, $args ); } } else { $terms = wp_get_post_terms( $product_id, $taxonomy, $args ); }
return $terms; }
/** * Sort by parent * @param WP_POST object $a * @param WP_POST object $b * @return int */ function _wc_get_product_terms_parent_usort_callback( $a, $b ) { if ( $a->parent === $b->parent ) { return 0; } return ( $a->parent < $b->parent ) ? 1 : -1; }
/** * WooCommerce Dropdown categories * * Stuck with this until a fix for http://core.trac.wordpress.org/ticket/13258 * We use a custom walker, just like WordPress does * * @param int $deprecated_show_uncategorized (default: 1) * @return string */ function wc_product_dropdown_categories( $args = array(), $deprecated_hierarchical = 1, $deprecated_show_uncategorized = 1, $deprecated_orderby = '' ) { global $wp_query;
if ( ! is_array( $args ) ) { _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.' );
$args['show_counts'] = $args; $args['hierarchical'] = $deprecated_hierarchical; $args['show_uncategorized'] = $deprecated_show_uncategorized; $args['orderby'] = $deprecated_orderby; }
$current_product_cat = isset( $wp_query->query['product_cat'] ) ? $wp_query->query['product_cat'] : ''; $defaults = array( 'pad_counts' => 1, 'show_counts' => 1, 'hierarchical' => 1, 'hide_empty' => 1, 'show_uncategorized' => 1, 'orderby' => 'name', 'selected' => $current_product_cat, 'menu_order' => false );
$args = wp_parse_args( $args, $defaults );
if ( $args['orderby'] == 'order' ) { $args['menu_order'] = 'asc'; $args['orderby'] = 'name'; }
$terms = get_terms( 'product_cat', apply_filters( 'wc_product_dropdown_categories_get_terms_args', $args ) );
if ( ! $terms ) { return; }
$output = "<select name='product_cat' class='dropdown_product_cat'>"; $output .= '<option value="" ' . selected( $current_product_cat, '', false ) . '>' . __( 'Select a category', 'woocommerce' ) . '</option>'; $output .= wc_walk_category_dropdown_tree( $terms, 0, $args ); if ( $args['show_uncategorized'] ) { $output .= '<option value="0" ' . selected( $current_product_cat, '0', false ) . '>' . __( 'Uncategorized', 'woocommerce' ) . '</option>'; } $output .= "</select>";
echo $output; }
/** * Walk the Product Categories. * * @return mixed */ function wc_walk_category_dropdown_tree() { if ( ! class_exists( 'WC_Product_Cat_Dropdown_Walker' ) ) { include_once( WC()->plugin_path() . '/includes/walkers/class-product-cat-dropdown-walker.php' ); }
$args = func_get_args();
// the user's options are the third parameter if ( empty( $args[2]['walker']) || !is_a($args[2]['walker'], 'Walker' ) ) { $walker = new WC_Product_Cat_Dropdown_Walker; } else { $walker = $args[2]['walker']; }
return call_user_func_array( array( &$walker, 'walk' ), $args ); }
/** * WooCommerce Term/Order item Meta API - set table name * * @return void */ function wc_taxonomy_metadata_wpdbfix() { global $wpdb; $termmeta_name = 'woocommerce_termmeta'; $itemmeta_name = 'woocommerce_order_itemmeta';
$wpdb->woocommerce_termmeta = $wpdb->prefix . $termmeta_name; $wpdb->order_itemmeta = $wpdb->prefix . $itemmeta_name;
$wpdb->tables[] = 'woocommerce_termmeta'; $wpdb->tables[] = 'woocommerce_order_itemmeta'; } add_action( 'init', 'wc_taxonomy_metadata_wpdbfix', 0 ); add_action( 'switch_blog', 'wc_taxonomy_metadata_wpdbfix', 0 );
/** * WooCommerce Term Meta API - Update term meta * * @param mixed $term_id * @param string $meta_key * @param mixed $meta_value * @param string $prev_value (default: '') * @return bool */ function update_woocommerce_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) { return update_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $prev_value ); }
/** * WooCommerce Term Meta API - Add term meta * * @param mixed $term_id * @param mixed $meta_key * @param mixed $meta_value * @param bool $unique (default: false) * @return bool */ function add_woocommerce_term_meta( $term_id, $meta_key, $meta_value, $unique = false ){ return add_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $unique ); }
/** * WooCommerce Term Meta API - Delete term meta * * @param mixed $term_id * @param mixed $meta_key * @param string $meta_value (default: '') * @param bool $delete_all (default: false) * @return bool */ function delete_woocommerce_term_meta( $term_id, $meta_key, $meta_value = '', $delete_all = false ) { return delete_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $delete_all ); }
/** * WooCommerce Term Meta API - Get term meta * * @param mixed $term_id * @param string $key * @param bool $single (default: true) * @return mixed */ function get_woocommerce_term_meta( $term_id, $key, $single = true ) { return get_metadata( 'woocommerce_term', $term_id, $key, $single ); }
/** * Move a term before the a given element of its hierarchy level * * @param int $the_term * @param int $next_id the id of the next sibling element in save hierarchy level * @param string $taxonomy * @param int $index (default: 0) * @param mixed $terms (default: null) * @return int */ function wc_reorder_terms( $the_term, $next_id, $taxonomy, $index = 0, $terms = null ) {
if( ! $terms ) $terms = get_terms($taxonomy, 'menu_order=ASC&hide_empty=0&parent=0' ); if( empty( $terms ) ) return $index;
$id = $the_term->term_id;
$term_in_level = false; // flag: is our term to order in this level of terms
foreach ($terms as $term) {
if( $term->term_id == $id ) { // our term to order, we skip $term_in_level = true; continue; // our term to order, we skip } // the nextid of our term to order, lets move our term here if(null !== $next_id && $term->term_id == $next_id) { $index++; $index = wc_set_term_order($id, $index, $taxonomy, true); }
// set order $index++; $index = wc_set_term_order($term->term_id, $index, $taxonomy);
// if that term has children we walk through them $children = get_terms($taxonomy, "parent={$term->term_id}&menu_order=ASC&hide_empty=0"); if( !empty($children) ) { $index = wc_reorder_terms( $the_term, $next_id, $taxonomy, $index, $children ); } }
// no nextid meaning our term is in last position if( $term_in_level && null === $next_id ) $index = wc_set_term_order($id, $index+1, $taxonomy, true);
return $index; }
/** * Set the sort order of a term * * @param int $term_id * @param int $index * @param string $taxonomy * @param bool $recursive (default: false) * @return int */ function wc_set_term_order( $term_id, $index, $taxonomy, $recursive = false ) {
$term_id = (int) $term_id; $index = (int) $index;
// Meta name if ( taxonomy_is_product_attribute( $taxonomy ) ) $meta_name = 'order_' . esc_attr( $taxonomy ); else $meta_name = 'order';
update_woocommerce_term_meta( $term_id, $meta_name, $index );
if( ! $recursive ) return $index;
$children = get_terms($taxonomy, "parent=$term_id&menu_order=ASC&hide_empty=0");
foreach ( $children as $term ) { $index ++; $index = wc_set_term_order($term->term_id, $index, $taxonomy, true); }
clean_term_cache( $term_id, $taxonomy );
return $index; }
/** * Add term ordering to get_terms * * It enables the support a 'menu_order' parameter to get_terms for the product_cat taxonomy. * By default it is 'ASC'. It accepts 'DESC' too * * To disable it, set it ot false (or 0) * * @param array $clauses * @param array $taxonomies * @param array $args * @return array */ function wc_terms_clauses( $clauses, $taxonomies, $args ) { global $wpdb;
// No sorting when menu_order is false if ( isset( $args['menu_order'] ) && $args['menu_order'] == false ) { return $clauses; }
// No sorting when orderby is non default if ( isset( $args['orderby'] ) && $args['orderby'] != 'name' ) { return $clauses; }
// No sorting in admin when sorting by a column if ( is_admin() && isset( $_GET['orderby'] ) ) { return $clauses; }
// wordpress should give us the taxonomies asked when calling the get_terms function. Only apply to categories and pa_ attributes $found = false; foreach ( (array) $taxonomies as $taxonomy ) { if ( taxonomy_is_product_attribute( $taxonomy ) || in_array( $taxonomy, apply_filters( 'woocommerce_sortable_taxonomies', array( 'product_cat' ) ) ) ) { $found = true; break; } } if ( ! $found ) { return $clauses; }
// Meta name if ( ! empty( $taxonomies[0] ) && taxonomy_is_product_attribute( $taxonomies[0] ) ) { $meta_name = 'order_' . esc_attr( $taxonomies[0] ); } else { $meta_name = 'order'; }
// query fields if ( strpos( 'COUNT(*)', $clauses['fields'] ) === false ) { $clauses['fields'] .= ', tm.* '; }
//query join $clauses['join'] .= " LEFT JOIN {$wpdb->woocommerce_termmeta} AS tm ON (t.term_id = tm.woocommerce_term_id AND tm.meta_key = '". $meta_name ."') ";
// default to ASC if ( ! isset( $args['menu_order'] ) || ! in_array( strtoupper($args['menu_order']), array('ASC', 'DESC')) ) { $args['menu_order'] = 'ASC'; }
$order = "ORDER BY tm.meta_value+0 " . $args['menu_order'];
if ( $clauses['orderby'] ): $clauses['orderby'] = str_replace('ORDER BY', $order . ',', $clauses['orderby'] ); else: $clauses['orderby'] = $order; endif;
return $clauses; } add_filter( 'terms_clauses', 'wc_terms_clauses', 10, 3 );
/** * Function for recounting product terms, ignoring hidden products. * @param array $terms * @param string $taxonomy * @param boolean $callback * @param boolean $terms_are_term_taxonomy_ids * @return void */ function _wc_term_recount( $terms, $taxonomy, $callback = true, $terms_are_term_taxonomy_ids = true ) { global $wpdb;
// Standard callback if ( $callback ) { _update_post_term_count( $terms, $taxonomy ); }
// Stock query if ( get_option( 'woocommerce_hide_out_of_stock_items' ) == 'yes' ) { $stock_join = "LEFT JOIN {$wpdb->postmeta} AS meta_stock ON posts.ID = meta_stock.post_id"; $stock_query = " AND meta_stock.meta_key = '_stock_status' 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 * @return void */ 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 ) { 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 ) { 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 mixed $taxonomies * @param mixed $args * @return array */ function wc_change_term_counts( $terms, $taxonomies, $args ) { 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, YEAR_IN_SECONDS ); }
return $terms; } add_filter( 'get_terms', 'wc_change_term_counts', 10, 3 );
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