feat(Cart): support setCustomerGroup update action

Closes #343

Author: Jens Schulze

src/Core/Model/Cart/CartDraft.php

@@ -8,6 +8,7 @@
 use Commercetools\Core\Model\Common\Context;
 use Commercetools\Core\Model\Common\JsonObject;
 use Commercetools\Core\Model\Common\LocaleTrait;
+use Commercetools\Core\Model\CustomerGroup\CustomerGroupReference;
 use Commercetools\Core\Model\CustomField\CustomFieldObjectDraft;
 use Commercetools\Core\Model\Common\Address;
 use Commercetools\Core\Model\ShippingMethod\ShippingMethodReference;
@@ -46,6 +47,8 @@
  * @method CartDraft setTaxRoundingMode(string $taxRoundingMode = null)
  * @method int getDeleteDaysAfterLastModification()
  * @method CartDraft setDeleteDaysAfterLastModification(int $deleteDaysAfterLastModification = null)
+ * @method CustomerGroupReference getCustomerGroup()
+ * @method CartDraft setCustomerGroup(CustomerGroupReference $customerGroup = null)
  */
 class CartDraft extends JsonObject
 {
@@ -69,7 +72,8 @@ public function fieldDefinitions()
             'anonymousId' => [static::TYPE => 'string'],
             'locale' => [static::TYPE => 'string'],
             'taxRoundingMode' => [static::TYPE => 'string'],
-            'deleteDaysAfterLastModification' => [static::TYPE => 'int']
+            'deleteDaysAfterLastModification' => [static::TYPE => 'int'],
+            'customerGroup' => [static::TYPE => CustomerGroupReference::class],
         ];
     }
 

src/Core/Request/Carts/Command/CartSetCustomerGroupAction.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * @author @jayS-de <jens.schulze@commercetools.de>
+ */
+
+namespace Commercetools\Core\Request\Carts\Command;
+
+use Commercetools\Core\Model\Common\Context;
+use Commercetools\Core\Model\CustomerGroup\CustomerGroupReference;
+use Commercetools\Core\Request\AbstractAction;
+
+/**
+ * @package Commercetools\Core\Request\Carts\Command
+ *
+ * @method string getAction()
+ * @method CartSetCustomerGroupAction setAction(string $action = null)
+ * @method CustomerGroupReference getCustomerGroup()
+ * @method CartSetCustomerGroupAction setCustomerGroup(CustomerGroupReference $customerGroup = null)
+ */
+class CartSetCustomerGroupAction extends AbstractAction
+{
+    public function fieldDefinitions()
+    {
+        return [
+            'action' => [static::TYPE => 'string'],
+            'customerGroup' => [static::TYPE => CustomerGroupReference::class],
+        ];
+    }
+
+    /**
+     * @param string $customerGroup
+     * @param Context|callable $context
+     * @return CartSetCustomerGroupAction
+     */
+    public static function ofCustomerGroup($customerGroup, $context = null)
+    {
+        return static::of($context)->setCustomerGroup($customerGroup);
+    }
+
+    /**
+     * @param array $data
+     * @param Context|callable $context
+     */
+    public function __construct(array $data = [], $context = null)
+    {
+        parent::__construct($data, $context);
+        $this->setAction('setCustomerGroup');
+    }
+}

tests/integration/Cart/CartUpdateRequestTest.php

@@ -25,6 +25,8 @@
 use Commercetools\Core\Model\Common\PriceDraft;
 use Commercetools\Core\Model\Common\PriceTier;
 use Commercetools\Core\Model\Common\PriceTierCollection;
+use Commercetools\Core\Model\Common\ResourceIdentifier;
+use Commercetools\Core\Model\CustomerGroup\CustomerGroupReference;
 use Commercetools\Core\Model\CustomField\CustomFieldObject;
 use Commercetools\Core\Model\CustomField\CustomFieldObjectDraft;
 use Commercetools\Core\Model\CustomField\FieldContainer;
@@ -52,6 +54,7 @@
 use Commercetools\Core\Request\Carts\Command\CartSetBillingAddressAction;
 use Commercetools\Core\Request\Carts\Command\CartSetCountryAction;
 use Commercetools\Core\Request\Carts\Command\CartSetCustomerEmailAction;
+use Commercetools\Core\Request\Carts\Command\CartSetCustomerGroupAction;
 use Commercetools\Core\Request\Carts\Command\CartSetCustomerIdAction;
 use Commercetools\Core\Request\Carts\Command\CartSetCustomLineItemCustomFieldAction;
 use Commercetools\Core\Request\Carts\Command\CartSetCustomLineItemCustomTypeAction;
@@ -1282,6 +1285,26 @@ public function testLocale($locale, $expectedLocale)
         $this->assertSame($expectedLocale, $cart->getLocale());
     }
 
+    public function testCustomerGroup()
+    {
+        $customerGroup = $this->getCustomerGroup();
+        $draft = $this->getDraft();
+        $draft->setCustomerGroup($customerGroup->getReference());
+        $cart = $this->createCart($draft);
+
+        $this->assertSame($customerGroup->getId(), $cart->getCustomerGroup()->getId());
+
+        $request = CartUpdateRequest::ofIdAndVersion($cart->getId(), $cart->getVersion())
+            ->addAction(CartSetCustomerGroupAction::of())
+        ;
+        $response = $request->executeWithClient($this->getClient());
+        $cart = $request->mapResponse($response);
+
+        $this->deleteRequest->setVersion($cart->getVersion());
+
+        $this->assertNull($cart->getCustomerGroup());
+    }
+
     public function invalidLocaleProvider()
     {
         return [