Issue #2856209 by vasike, bojanz: PaymentStorage should provide a method to load a payment by its remote id

Author: vasike

modules/payment/src/PaymentStorage.php

@@ -11,6 +11,16 @@
  */
 class PaymentStorage extends CommerceContentEntityStorage implements PaymentStorageInterface {
 
+  /**
+   * {@inheritdoc}
+   */
+  public function loadByRemoteId($remote_id) {
+    $payments = $this->loadByProperties(['remote_id' => $remote_id]);
+    $payment = reset($payments);
+
+    return $payment ?: NULL;
+  }
+
   /**
    * {@inheritdoc}
    */

modules/payment/src/PaymentStorageInterface.php

@@ -10,6 +10,17 @@
  */
 interface PaymentStorageInterface extends ContentEntityStorageInterface {
 
+  /**
+   * Loads the payment for the given remote ID.
+   *
+   * @param string $remote_id
+   *   The remote ID.
+   *
+   * @return \Drupal\commerce_payment\Entity\PaymentInterface|null
+   *   The payment, or NULL if none found.
+   */
+  public function loadByRemoteId($remote_id);
+
   /**
    * Loads all payments for the given order.
    *