File "class-wc-api-subscriptions-customers.php"

Full path: /var/www/html/wp-content/plugins/woocommerce-subscriptions/includes/api/legacy/class-wc-api-subscriptions-customers.php
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<?php
/**
 * WooCommerce Subscriptions API Customers Class
 *
 * Handles requests to the /customers/subscriptions endpoint
 *
 * @author      Prospress
 * @category    API
 * @since       2.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * Class: WC_Subscription_API_Customers
 * extends @see WC_API_Customer to provide functionality to subscriptions
 *
 * @since 2.0
 */
class WC_API_Subscriptions_Customers extends WC_API_Customers {

	public function __construct( WC_API_Server $server ) {
		parent::__construct( $server );

		// remove the add customer data because WC_API_Customers already did that
		remove_filter( 'woocommerce_api_order_response', array( $this, 'add_customer_data' ), 10 );

		// remove the modify user query because WC_API_Customers already did that
		remove_action( 'pre_user_query', array( $this, 'modify_user_query' ) );
	}


	/**
	 * Register the routes for this class
	 *
	 * GET /customers/<id>/subscriptions
	 *
	 * @since 2.0
	 * @param array $routes
	 * @return array
	 */
	public function register_routes( $routes ) {
		# GET /customers/<id>/subscriptions
		$routes[ $this->base . '/(?P<id>\d+)/subscriptions' ] = array(
			array( array( $this, 'get_customer_subscriptions' ), WC_API_SERVER::READABLE ),
		);

		return $routes;
	}

	/**
	 * WCS API function to get all the subscriptions tied to a particular customer.
	 *
	 * @since 2.0
	 * @param $id int
	 * @param $fields array
	 */
	public function get_customer_subscriptions( $id, $fields = null, $filter = array() ) {
		global $wpdb;

		// check the customer id given is a valid customer in the store. We're able to leech off WC-API for this.
		$id = $this->validate_request( $id, 'customer', 'read' );

		if ( is_wp_error( $id ) ) {
			return $id;
		}

		$customer_subscriptions = $subscription_ids = array();
		$filter['customer_id']  = $id;
		$subscriptions          = WC()->api->WC_API_Subscriptions->get_subscriptions( $fields, $filter, null, -1 );

		if ( ! empty( $subscriptions['subscriptions'] ) && is_array( $subscriptions['subscriptions'] ) ) {
			foreach ( $subscriptions['subscriptions'] as $subscription ) {
				if ( isset( $subscription['billing_schedule']['interval'] ) ) { // make sure the interval is not a string to fully support backwards compat.
					$subscription['billing_schedule']['interval'] = intval( $subscription['billing_schedule']['interval'] );
				}

				$customer_subscriptions[] = array( 'subscription' => $subscription );
				$subscription_ids[]       = $subscription['id'];
			}
		}

		return array( 'customer_subscriptions' => apply_filters( 'wc_subscriptions_api_customer_subscriptions', $customer_subscriptions, $id, $fields, $subscription_ids, $this->server ) );
	}
}