MC-31387: Paypal issue with region on 2.3.4

Author: viktym

patches.json

@@ -238,6 +238,9 @@
     },
     "Fix for multi-site configuration issue": {
       "2.2.4": "MAGETWO-92926__fix_for_multi-site_configuration_issue__2.2.4.patch"
+    },
+    "Fix PayPal issue with region": {
+      "2.3.4": "MC-31387__fix_paypal_issue_with_region__2.3.4.patch"
     }
   },
   "monolog/monolog": {

patches/MC-31387__fix_paypal_issue_with_region__2.3.4.patch

@@ -0,0 +1,67 @@
+diff -Nuar a/vendor/magento/module-paypal/Model/Api/Nvp.php b/vendor/magento/module-paypal/Model/Api/Nvp.php
+--- a/vendor/magento/module-paypal/Model/Api/Nvp.php
++++ b/vendor/magento/module-paypal/Model/Api/Nvp.php
+@@ -1512,17 +1512,17 @@
+         }
+         // attempt to fetch region_id from directory
+         if ($address->getCountryId() && $address->getRegion()) {
+-            $regions = $this->_countryFactory->create()->loadByCode(
+-                $address->getCountryId()
+-            )->getRegionCollection()->addRegionCodeOrNameFilter(
+-                $address->getRegion()
+-            )->setPageSize(
+-                1
+-            );
++            $regions = $this->_countryFactory->create()
++                ->getRegionCollection()
++                ->addCountryFilter($address->getCountryId())
++                ->addRegionCodeOrNameFilter($address->getRegion())
++                ->setPageSize(1);
+             $regionItems = $regions->getItems();
+-            $region = array_shift($regionItems);
+-            $address->setRegionId($region->getId());
+-            $address->setExportedKeys(array_merge($address->getExportedKeys(), ['region_id']));
++            if (count($regionItems)) {
++                $region = array_shift($regionItems);
++                $address->setRegionId($region->getId());
++                $address->setExportedKeys(array_merge($address->getExportedKeys(), ['region_id']));
++            }
+         }
+     }
+ 
+@@ -1624,7 +1624,7 @@
+             case 'year':
+                 return 'Year';
+             default:
+-                break;
++                return '';
+         }
+     }
+ 
+@@ -1653,7 +1653,7 @@
+             case 'active':
+                 return 'Active';
+             default:
+-                break;
++                return '';
+         }
+     }
+ 
+@@ -1694,7 +1694,7 @@
+             case 'Voided':
+                 return \Magento\Paypal\Model\Info::PAYMENTSTATUS_VOIDED;
+             default:
+-                break;
++                return null;
+         }
+     }
+ 
+@@ -1712,7 +1712,7 @@
+             case \Magento\Paypal\Model\Pro::PAYMENT_REVIEW_DENY:
+                 return 'Deny';
+             default:
+-                break;
++                return null;
+         }
+     }
+