feat(ShoppingList): support add line item by SKU

Closes #374

src/Core/Model/ShoppingList/LineItemDraft.php

@@ -5,6 +5,7 @@
 
 namespace Commercetools\Core\Model\ShoppingList;
 
+use Commercetools\Core\Model\Common\Context;
 use Commercetools\Core\Model\Common\JsonObject;
 use Commercetools\Core\Model\CustomField\CustomFieldObjectDraft;
 use Commercetools\Core\Model\Common\DateTimeDecorator;
@@ -23,6 +24,8 @@
  * @method LineItemDraft setCustom(CustomFieldObjectDraft $custom = null)
  * @method DateTimeDecorator getAddedAt()
  * @method LineItemDraft setAddedAt(DateTime $addedAt = null)
+ * @method string getSku()
+ * @method LineItemDraft setSku(string $sku = null)
  */
 class LineItemDraft extends JsonObject
 {
@@ -37,6 +40,29 @@ public function fieldDefinitions()
                 static::TYPE => DateTime::class,
                 static::DECORATOR => DateTimeDecorator::class
             ],
+            'sku' => [static::TYPE => 'string'],
         ];
     }
+
+    /**
+     * @param string $productId
+     * @param Context|callable $context
+     * @return LineItemDraft
+     */
+    public static function ofProductId($productId, $context = null)
+    {
+        $draft = static::of($context);
+        return $draft->setProductId($productId);
+    }
+
+    /**
+     * @param string $sku
+     * @param Context|callable $context
+     * @return LineItemDraft
+     */
+    public static function ofSku($sku, $context = null)
+    {
+        $draft = static::of($context);
+        return $draft->setSku($sku);
+    }
 }

src/Core/Request/ShoppingLists/Command/ShoppingListAddLineItemAction.php

@@ -9,6 +9,7 @@
 use Commercetools\Core\Model\Common\DateTimeDecorator;
 use Commercetools\Core\Request\AbstractAction;
 use Commercetools\Core\Model\CustomField\CustomFieldObjectDraft;
+use Commercetools\Core\Request\Carts\Command\CartAddLineItemAction;
 use DateTime;
 
 /**
@@ -26,6 +27,8 @@
  * @method ShoppingListAddLineItemAction setCustom(CustomFieldObjectDraft $custom = null)
  * @method DateTimeDecorator getAddedAt()
  * @method ShoppingListAddLineItemAction setAddedAt(DateTime $addedAt = null)
+ * @method string getSku()
+ * @method ShoppingListAddLineItemAction setSku(string $sku = null)
  */
 class ShoppingListAddLineItemAction extends AbstractAction
 {
@@ -41,6 +44,7 @@ public function fieldDefinitions()
                 static::DECORATOR => DateTimeDecorator::class
             ],
             'custom' => [static::TYPE => CustomFieldObjectDraft::class],
+            'sku' => [static::TYPE => 'string'],
         ];
     }
 
@@ -56,6 +60,17 @@ public static function ofProductIdVariantIdAndQuantity($productId, $variantId, $
         return static::of($context)->setProductId($productId)->setVariantId($variantId)->setQuantity($quantity);
     }
 
+    /**
+     * @param string $sku
+     * @param Context|callable $context
+     * @param int $quantity
+     * @return ShoppingListAddLineItemAction
+     */
+    public static function ofSkuAndQuantity($sku, $quantity, $context = null)
+    {
+        return static::of($context)->setSku($sku)->setQuantity($quantity);
+    }
+
     /**
      * @param array $data
      * @param Context|callable $context

tests/integration/ShoppingList/ShoppingListUpdateRequestTest.php

@@ -503,4 +503,29 @@ public function testSetDeleteDaysAfterLastModification()
         $this->assertInstanceOf(ShoppingList::class, $result);
         $this->assertSame($days, $result->getDeleteDaysAfterLastModification());
     }
+
+    public function testAddLineItemBySku()
+    {
+        $product = $this->getProduct();
+        $variant = $product->getMasterData()->getCurrent()->getMasterVariant();
+        $draft = $this->getDraft('add-line-item-by-sku');
+        $draft->setLineItems(LineItemDraftCollection::of()->add(LineItemDraft::ofSku($variant->getSku())));
+        $shoppingList = $this->createShoppingList($draft);
+
+        $this->assertSame(1, $shoppingList->getLineItems()->current()->getQuantity());
+
+        $request = ShoppingListUpdateRequest::ofIdAndVersion($shoppingList->getId(), $shoppingList->getVersion())
+            ->addAction(ShoppingListAddLineItemAction::ofSkuAndQuantity(
+                $variant->getSku(),
+                1
+            ))
+        ;
+        $response = $request->executeWithClient($this->getClient());
+        $result = $request->mapResponse($response);
+        $this->deleteRequest->setVersion($result->getVersion());
+
+        $this->assertInstanceOf(ShoppingList::class, $result);
+        $this->assertSame(2, $result->getLineItems()->current()->getQuantity());
+        $this->assertSame($product->getId(), $result->getLineItems()->current()->getProductId());
+    }
 }