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<?php
/**
* WebhookUtil class file.
*/
namespace Automattic\WooCommerce\Internal\Utilities;
use WC_Cache_Helper;
/**
* Class with utility methods for dealing with webhooks.
*/
class WebhookUtil {
/**
* Creates a new instance of the class.
*/
public function __construct() {
add_action( 'deleted_user', array( $this, 'reassign_webhooks_to_new_user_id' ), 10, 2 );
add_action( 'delete_user_form', array( $this, 'maybe_render_user_with_webhooks_warning' ), 10, 2 );
}
/**
* Whenever a user is deleted, re-assign their webhooks to the new user.
*
* If re-assignment isn't selected during deletion, assign the webhooks to user_id 0,
* so that an admin can edit and re-save them in order to get them to be assigned to a valid user.
*
* @param int $old_user_id ID of the deleted user.
* @param int|null $new_user_id ID of the user to reassign existing data to, or null if no re-assignment is requested.
*
* @return void
* @since 7.8.0
*
* @internal For exclusive usage of WooCommerce core, backwards compatibility not guaranteed.
*/
public function reassign_webhooks_to_new_user_id( int $old_user_id, ?int $new_user_id ): void {
$webhook_ids = $this->get_webhook_ids_for_user( $old_user_id );
foreach ( $webhook_ids as $webhook_id ) {
$webhook = new \WC_Webhook( $webhook_id );
$webhook->set_user_id( $new_user_id ?? 0 );
$webhook->save();
}
}
/**
* When users are about to be deleted show an informative text if they have webhooks assigned.
*
* @param \WP_User $current_user The current logged in user.
* @param array $userids Array with the ids of the users that are about to be deleted.
* @return void
* @since 7.8.0
*
* @internal For exclusive usage of WooCommerce core, backwards compatibility not guaranteed.
*/
public function maybe_render_user_with_webhooks_warning( \WP_User $current_user, array $userids ): void {
global $wpdb;
$at_least_one_user_with_webhooks = false;
foreach ( $userids as $user_id ) {
$webhook_ids = $this->get_webhook_ids_for_user( $user_id );
if ( empty( $webhook_ids ) ) {
continue;
}
$at_least_one_user_with_webhooks = true;
$user_data = get_userdata( $user_id );
$user_login = false === $user_data ? '' : $user_data->user_login;
$webhooks_count = count( $webhook_ids );
$text = sprintf(
/* translators: 1 = user id, 2 = user login, 3 = webhooks count */
_nx(
'User #%1$s %2$s has created %3$d WooCommerce webhook.',
'User #%1$s %2$s has created %3$d WooCommerce webhooks.',
$webhooks_count,
'user webhook count',
'woocommerce'
),
$user_id,
$user_login,
$webhooks_count
);
echo '<p>' . esc_html( $text ) . '</p>';
}
if ( ! $at_least_one_user_with_webhooks ) {
return;
}
$webhooks_settings_url = esc_url_raw( admin_url( 'admin.php?page=wc-settings&tab=advanced§ion=webhooks' ) );
// This block of code is copied from WordPress' users.php.
// phpcs:disable WooCommerce.Commenting.CommentHooks, WordPress.DB.PreparedSQL.NotPrepared
$users_have_content = (bool) apply_filters( 'users_have_additional_content', false, $userids );
if ( ! $users_have_content ) {
if ( $wpdb->get_var( "SELECT ID FROM {$wpdb->posts} WHERE post_author IN( " . implode( ',', $userids ) . ' ) LIMIT 1' ) ) {
$users_have_content = true;
} elseif ( $wpdb->get_var( "SELECT link_id FROM {$wpdb->links} WHERE link_owner IN( " . implode( ',', $userids ) . ' ) LIMIT 1' ) ) {
$users_have_content = true;
}
}
// phpcs:enable WooCommerce.Commenting.CommentHooks, WordPress.DB.PreparedSQL.NotPrepared
if ( $users_have_content ) {
$text = __( 'If the "Delete all content" option is selected, the affected WooCommerce webhooks will <b>not</b> be deleted and will be attributed to user id 0.<br/>', 'woocommerce' );
} else {
$text = __( 'The affected WooCommerce webhooks will <b>not</b> be deleted and will be attributed to user id 0.<br/>', 'woocommerce' );
}
$text .= sprintf(
/* translators: 1 = url of the WooCommerce webhooks settings page */
__( 'After that they can be reassigned to the logged-in user by going to the <a href="%1$s">WooCommerce webhooks settings page</a> and re-saving them.', 'woocommerce' ),
$webhooks_settings_url
);
echo '<p>' . wp_kses_post( $text ) . '</p>';
}
/**
* Get the ids of the webhooks assigned to a given user.
*
* @param int $user_id User id.
* @return int[] Array of webhook ids.
*/
private function get_webhook_ids_for_user( int $user_id ): array {
$data_store = \WC_Data_Store::load( 'webhook' );
return $data_store->search_webhooks(
array(
'user_id' => $user_id,
)
);
}
/**
* Gets the count of webhooks that are configured to use the Legacy REST API to compose their payloads.
*
* @param bool $clear_cache If true, the previously cached value of the count will be discarded if it exists.
*
* @return int
*/
public function get_legacy_webhooks_count( bool $clear_cache = false ): int {
global $wpdb;
$cache_key = WC_Cache_Helper::get_cache_prefix( 'webhooks' ) . 'legacy_count';
if ( $clear_cache ) {
wp_cache_delete( $cache_key, 'webhooks' );
}
$count = wp_cache_get( $cache_key, 'webhooks' );
if ( false === $count ) {
$count = absint( $wpdb->get_var( "SELECT count( webhook_id ) FROM {$wpdb->prefix}wc_webhooks WHERE `api_version` < 1;" ) );
wp_cache_add( $cache_key, $count, 'webhooks' );
}
return $count;
}
}
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