<?php
/**
* AssignDefaultCategory class file.
*/
namespace Automattic\WooCommerce\Internal;
defined( 'ABSPATH' ) || exit;
/**
* Class to assign default category to products.
*/
class AssignDefaultCategory {
/**
* Class initialization, to be executed when the class is resolved by the container.
*
* @internal
*/
final public function init() {
add_action( 'wc_schedule_update_product_default_cat', array( $this, 'maybe_assign_default_product_cat' ) );
}
/**
* When a product category is deleted, we need to check
* if the product has no categories assigned. Then assign
* it a default category. We delay this with a scheduled
* action job to not block the response.
*
* @return void
*/
public function schedule_action() {
WC()->queue()->schedule_single(
time(),
'wc_schedule_update_product_default_cat',
array(),
'wc_update_product_default_cat'
);
}
/**
* Assigns default product category for products
* that have no categories.
*
* @return void
*/
public function maybe_assign_default_product_cat() {
global $wpdb;
$default_category = get_option( 'default_product_cat', 0 );
if ( $default_category ) {
$wpdb->query(
$wpdb->prepare(
"INSERT INTO {$wpdb->term_relationships} (object_id, term_taxonomy_id)
SELECT DISTINCT posts.ID, %s FROM {$wpdb->posts} posts
LEFT JOIN
(
SELECT object_id FROM {$wpdb->term_relationships} term_relationships
LEFT JOIN {$wpdb->term_taxonomy} term_taxonomy ON term_relationships.term_taxonomy_id = term_taxonomy.term_taxonomy_id
WHERE term_taxonomy.taxonomy = 'product_cat'
) AS tax_query
ON posts.ID = tax_query.object_id
WHERE posts.post_type = 'product'
AND tax_query.object_id IS NULL",
$default_category
)
);
wp_cache_flush();
delete_transient( 'wc_term_counts' );
wp_update_term_count_now( array( $default_category ), 'product_cat' );
}
}
}