WC_Cart_Coupons

Complexity

Total Complexity

23

Size/Duplication

Total Lines	141
Duplicated Lines	13.48 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	1
A	get_coupons()	0	3	1
A	set_coupons()	0	12	3
A	remove_coupon()	0	5	1
A	check_coupons()	7	9	3
B	check_customer_restriction()	0	20	5
C	check_customer_limits()	8	33	7
A	applied_coupon()	0	6	2

<?php

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

/**
 * Cart Coupons.
 *
 * @class 		WC_Cart_Coupons
 * @version		2.7.0
 * @package		WooCommerce/Classes
 * @category	Class
 * @author 		WooThemes
 */
class WC_Cart_Coupons {

	/**
	 * An array of coupon objects.
	 * @var object[]
	 */
	private $coupons = array();

	/**
	 * Constructor.
	 */
	public function __construct() {
		add_action( 'woocommerce_check_cart_items', array( $this, 'check_coupons' ), 1 );
		add_action( 'woocommerce_after_checkout_validation', array( $this, 'check_customer_restriction' ), 1 );
		add_action( 'woocommerce_after_checkout_validation', array( $this, 'check_customer_limits' ), 1 );
		add_action( 'woocommerce_applied_coupon', array( $this, 'applied_coupon' ), 10, 2 );
	}

	/**
	 * Get coupons.
	 * @return array
	 */
	public function get_coupons() {
		return $this->coupons;
	}

	/**
	 * Set coupons.
	 * @param array $set
	 */
	public function set_coupons( $set ) {
		$set           = array_filter( (array) $set );
		$this->coupons = array();

		foreach ( $set as $code => $coupon ) {
			if ( is_object( $coupon ) ) {
				$this->coupons[ $code ] = $coupon;
			} else {
				$this->coupons[ $coupon ] = new WC_Coupon( $coupon );
			}
		}
	}

	/**
	 * Remove a single coupon by code.
	 * @param  string $coupon_code Code of the coupon to remove
	 */
	public function remove_coupon( $coupon_code ) {
		$coupon_code = wc_format_coupon_code( $coupon_code );
		unset( $this->coupons[ $coupon_code ] );
		do_action( 'woocommerce_removed_coupon', $coupon_code );
	}

	/**
	 * Check cart coupons for errors.
	 */
	public function check_coupons() {
		foreach ( $this->coupons as $code => $coupon ) {
			if ( ! $coupon->is_valid() ) {

This code seems to be duplicated across your project.

				$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_INVALID_REMOVED );
				$this->remove_coupon( $code );
				WC()->session->set( 'refresh_totals', true );
			}
		}
	}

	/**
	 * Check for user coupons (now that we have billing email). If a coupon is invalid, add an error.
	 * @param array $posted
	 */
	public function check_customer_restriction( $posted ) {
		foreach ( $this->coupons as $code => $coupon ) {
			if ( sizeof( $coupon->get_email_restrictions() ) > 0 ) {
				$check_emails = array(
					$posted['billing_email']
				);
				if ( is_user_logged_in() ) {
					$current_user   = wp_get_current_user();
					$check_emails[] = $current_user->user_email;
				}
				$check_emails = array_map( 'sanitize_email', array_map( 'strtolower', $check_emails ) );

				if ( 0 == sizeof( array_intersect( $check_emails, $coupon->get_email_restrictions() ) ) ) {
					$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_NOT_YOURS_REMOVED );
					$this->remove_coupon( $code );
					WC()->session->set( 'refresh_totals', true );
				}
			}
		}
	}

	/**
	 * Check for user coupons (now that we have billing email). If a coupon is invalid, add an error.
	 * @param array $posted
	 */
	public function check_customer_limits( $posted ) {
		foreach ( $this->coupons as $code => $coupon ) {
			// Usage limits per user - check against billing and user email and user ID
			if ( $coupon->get_usage_limit_per_user() > 0 ) {
				$check_emails = array();
				$used_by      = $coupon->get_used_by();

				if ( is_user_logged_in() ) {
					$current_user   = wp_get_current_user();
					$check_emails[] = sanitize_email( $current_user->user_email );
					$usage_count    = sizeof( array_keys( $used_by, get_current_user_id() ) );
				} else {
					$check_emails[] = sanitize_email( $posted['billing_email'] );
					$user           = get_user_by( 'email', $posted['billing_email'] );
					if ( $user ) {
						$usage_count = sizeof( array_keys( $used_by, $user->ID ) );
					} else {
						$usage_count = 0;
					}
				}

				foreach ( $check_emails as $check_email ) {
					$usage_count = $usage_count + sizeof( array_keys( $used_by, $check_email ) );
				}

				if ( $usage_count >= $coupon->get_usage_limit_per_user() ) {

This code seems to be duplicated across your project.

					$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_USAGE_LIMIT_REACHED );
					$this->remove_coupon( $code );
					WC()->session->set( 'refresh_totals', true );
				}
			}
		}
	}

	/**
	 * Add a message for the applied coupon.
	 * @param  string $code
	 * @param  WC_Coupon $coupon
	 */
	public function applied_coupon( $code, $coupon ) {
		$coupon->add_coupon_message( WC_Coupon::WC_COUPON_SUCCESS );
		if ( $coupon->get_free_shipping() ) {
			WC()->session->set( 'chosen_shipping_methods', null );
		}
	}
}