Merge pull request Sylius#1203 from kayue/feature/payment-order

Multiple payments support.

Model/PaymentsSubjectInterface.php

@@ -0,0 +1,52 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sylius\Component\Payment\Model;
+
+interface PaymentsSubjectInterface
+{
+    /**
+     * Get all payments associated with the payment subject.
+     *
+     * @return PaymentInterface[]
+     */
+    public function getPayments();
+
+    /**
+     * Check if order has any payments
+     *
+     * @return bool
+     */
+    public function hasPayments();
+
+    /**
+     * Add a payment.
+     *
+     * @param PaymentInterface $payment
+     */
+    public function addPayment(PaymentInterface $payment);
+
+    /**
+     * Remove a payment.
+     *
+     * @param PaymentInterface $payment
+     */
+    public function removePayment(PaymentInterface $payment);
+
+    /**
+     * Check if the payment subject has certain payment.
+     *
+     * @param PaymentInterface $payment
+     *
+     * @return bool
+     */
+    public function hasPayment(PaymentInterface $payment);
+}