Merge pull request #26 from magento-arcticfoxes/B2B-1026

B2B-1026: Purchase Order final checkout page is incompatible with msi

Author: joanhe

InventoryInStorePickupShipping/Model/IsInStorePickupDeliveryAvailableForCart.php

@@ -120,8 +120,9 @@ private function getDefaultCountry(): ?string
      */
     private function getEstimateAddress(CartInterface $cart): EstimateAddressInterface
     {
+        $shippingAssignments = $cart->getExtensionAttributes()->getShippingAssignments();
         /** @var ShippingAssignmentInterface|null $assignment */
-        $assignment = current($cart->getExtensionAttributes()->getShippingAssignments());
+        $assignment = $shippingAssignments ? current($shippingAssignments) : null;
         $data = ['country_id' => $this->getDefaultCountry()];
         if ($assignment) {
             $shippingAddress = $assignment->getShipping()->getAddress();

InventoryInStorePickupShipping/Test/Integration/IsInStorePickupDeliveryAvailableForCartTest.php

@@ -105,6 +105,35 @@ public function testIsAvailableWithoutProductsIntersection()
         $this->assertFalse($this->isInStorePickupAvailable->execute((int)$cart->getId()));
     }
 
+    /**
+     * @magentoDataFixture Magento_InventoryApi::Test/_files/products.php
+     * @magentoDataFixture Magento_InventoryApi::Test/_files/sources.php
+     * @magentoDataFixture Magento_InventoryInStorePickupApi::Test/_files/source_addresses.php
+     * @magentoDataFixture Magento_InventoryInStorePickupApi::Test/_files/source_pickup_location_attributes.php
+     * @magentoDataFixture Magento_InventoryApi::Test/_files/stocks.php
+     * @magentoDataFixture Magento_InventoryApi::Test/_files/stock_source_links.php
+     * @magentoDataFixture Magento_InventorySalesApi::Test/_files/websites_with_stores.php
+     * @magentoDataFixture Magento_InventorySalesApi::Test/_files/stock_website_sales_channels.php
+     * @magentoDataFixture Magento_InventoryApi::Test/_files/source_items_eu_stock_only.php
+     * @magentoDataFixture Magento_InventoryIndexer::Test/_files/reindex_inventory.php
+     * @magentoDataFixture Magento_InventoryInStorePickupSalesApi::Test/_files/create_in_store_pickup_quote_on_eu_website_guest.php
+     *
+     * @magentoConfigFixture store_for_eu_website_store carriers/instore/active 1
+     *
+     * @magentoDbIsolation disabled
+     */
+    public function testIsAvailableWithoutProductsIntersectionEmptyShippingAssignments()
+    {
+        $searchCriteria = $this->searchCriteriaBuilder
+            ->addFilter('reserved_order_id', 'in_store_pickup_test_order')
+            ->create();
+        /** @var CartInterface $cart */
+        $cart = current($this->cartRepository->getList($searchCriteria)->getItems());
+        $cart->getExtensionAttributes()->setShippingAssignments([]);
+        $this->cartRepository->save($cart);
+        $this->assertFalse($this->isInStorePickupAvailable->execute((int)$cart->getId()));
+    }
+
     /**
      * @magentoDataFixture Magento_InventoryApi::Test/_files/products.php
      * @magentoDataFixture Magento_InventoryApi::Test/_files/sources.php