[*] refactoring ResetShippingAddress into UnselectShipping plugin

 + quote address assignment
 + method separation

Author: sfritzsche

src/Plugin/PreselectShipping.php

@@ -22,11 +22,11 @@ class PreselectShipping
     public function __construct(
         ShippingMethodManagement $methodManagement,
         AddressResetConditions $addressReset,
-        AddressSetMockdata $addressSetMockdata,
+        AddressSetMockdata $addressSetMockData,
         ShippingAddressAssignment $addressAssignment
     ) {
         $this->methodManagement = $methodManagement;
-        $this->addressSetMockData = $addressSetMockdata;
+        $this->addressSetMockData = $addressSetMockData;
         $this->addressReset = $addressReset;
         $this->addressAssignment = $addressAssignment;
     }

src/Plugin/ResetShippingAddress.php

@@ -0,0 +1,64 @@
+<?php
+declare(strict_types=1);
+
+namespace IntegerNet\ShippingPreselection\Plugin;
+
+use Magento\Checkout\Model\Session;
+use Magento\Quote\Model\Quote;
+use Magento\Quote\Model\Quote\Address;
+use Magento\Quote\Model\Quote\AddressFactory;
+use Magento\Quote\Model\ShippingAddressAssignment;
+use IntegerNet\ShippingPreselection\Service\AddressUnsetMockdata;
+use IntegerNet\ShippingPreselection\Service\AddressResetConditions;
+
+class UnselectShipping
+{
+    private AddressUnsetMockdata $addressUnsetMockData;
+    private AddressResetConditions $addressReset;
+    private ShippingAddressAssignment $addressAssignment;
+    private AddressFactory $addressFactory;
+
+    public function __construct(
+        AddressUnsetMockdata $addressUnsetMockdata,
+        AddressResetConditions $addressReset,
+        ShippingAddressAssignment $addressAssignment,
+        AddressFactory $addressFactory
+    ) {
+        $this->addressUnsetMockData = $addressUnsetMockdata;
+        $this->addressReset = $addressReset;
+        $this->addressAssignment = $addressAssignment;
+        $this->addressFactory = $addressFactory;
+    }
+
+    /**
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function afterGetQuote(Session $subject, Quote $result): Quote
+    {
+        $isResetRequest = $this->addressReset->isAddressResetRequest();
+        $quoteIsValid = !$result->getIsVirtual() && $result->getItemsCount();
+        if (!$isResetRequest || !$quoteIsValid) {
+            return $result;
+        }
+        
+        $address = $result->getShippingAddress();
+        if ($this->addressUnsetMockData->isMockedAddress($address)) {
+            $this->addressAssignment->setAddress($result, $this->getNewShippingAddress(), true); // deletion included
+        } else {
+            $this->addressUnsetMockData->checkForEmptyAddressFields($address);
+            $this->unsetShippingMethod($address);
+            $this->addressAssignment->setAddress($result, $address);
+        }
+        return $result;
+    }
+    
+    public function getNewShippingAddress(): Address
+    {
+        return $this->addressFactory->create()->setAddressType(Address::TYPE_SHIPPING);
+    }
+    
+    public function unsetShippingMethod(Address $address): void
+    {
+        $address->setShippingAmount(0)->setBaseShippingAmount(0)->setShippingMethod('')->setShippingDescription('');
+    }
+}

src/Plugin/UnselectShipping.php

@@ -5,6 +5,6 @@
             <plugin name="integernet_shippingpreselection_preselectshippingmethod"
                     type="IntegerNet\ShippingPreselection\Plugin\PreselectShipping" sortOrder="20"/>
             <plugin name="integernet_shippingpreselection_resetshippingaddress"
-                    type="IntegerNet\ShippingPreselection\Plugin\ResetShippingAddress" sortOrder="30"/>
+                    type="IntegerNet\ShippingPreselection\Plugin\UnselectShipping" sortOrder="30"/>
         </type>
 </config>