[GraphQl] Gift Message coverage for cart item

app/code/Magento/GiftMessageGraphQl/Model/Resolver/Cart/Item/GiftMessage.php

@@ -0,0 +1,97 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GiftMessageGraphQl\Model\Resolver\Cart\Item;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Query\Resolver\ContextInterface;
+use Magento\Framework\GraphQl\Query\Resolver\Value;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\GiftMessage\Api\ItemRepositoryInterface;
+use Magento\GiftMessage\Helper\Message as GiftMessageHelper;
+
+/**
+ * Class provides ability to get GiftMessage for cart item
+ */
+class GiftMessage implements ResolverInterface
+{
+    /**
+     * @var ItemRepositoryInterface
+     */
+    private $itemRepository;
+
+    /**
+     * @var GiftMessageHelper
+     */
+    private $giftMessageHelper;
+
+    /**
+     * @param ItemRepositoryInterface $itemRepository
+     * @param GiftMessageHelper       $giftMessageHelper
+     */
+    public function __construct(
+        ItemRepositoryInterface $itemRepository,
+        GiftMessageHelper $giftMessageHelper
+    ) {
+        $this->itemRepository = $itemRepository;
+        $this->giftMessageHelper = $giftMessageHelper;
+    }
+
+    /**
+     * Return information about Gift message for item cart
+     *
+     * @param Field            $field
+     * @param ContextInterface $context
+     * @param ResolveInfo      $info
+     * @param array|null       $value
+     * @param array|null       $args
+     *
+     * @return array|Value|mixed
+     * @throws GraphQlInputException
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) {
+        if (!isset($value['model'])) {
+            throw new GraphQlInputException(__('"model" value should be specified'));
+        }
+
+        $quoteItem = $value['model'];
+
+        if (!$this->giftMessageHelper->isMessagesAllowed('items', $quoteItem)) {
+            return null;
+        }
+
+        if (!$this->giftMessageHelper->isMessagesAllowed('item', $quoteItem)) {
+            return null;
+        }
+
+        try {
+            $giftItemMessage = $this->itemRepository->get($quoteItem->getQuoteId(), $quoteItem->getItemId());
+        } catch (LocalizedException $e) {
+            throw new GraphQlInputException(__('Can\'t load cart item'));
+        }
+
+        if (!isset($giftItemMessage)) {
+            return null;
+        }
+
+        return [
+            'to' => $giftItemMessage->getRecipient() ?? '',
+            'from' =>  $giftItemMessage->getSender() ?? '',
+            'message'=>  $giftItemMessage->getMessage() ?? ''
+        ];
+    }
+}

app/code/Magento/GiftMessageGraphQl/etc/graphql/di.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <type name="Magento\StoreGraphQl\Model\Resolver\Store\StoreConfigDataProvider">
+        <arguments>
+            <argument name="extendedConfigData" xsi:type="array">
+                <item name="allow_order" xsi:type="string">sales/gift_options/allow_order</item>
+                <item name="allow_items" xsi:type="string">sales/gift_options/allow_items</item>
+            </argument>
+        </arguments>
+    </type>
+</config>

app/code/Magento/GiftMessageGraphQl/etc/schema.graphqls

@@ -1,12 +1,39 @@
 # Copyright © Magento, Inc. All rights reserved.
 # See COPYING.txt for license details.
 
+type StoreConfig {
+    allow_order : String @doc(description: "Allow Gift Messages on order level")
+    allow_items : String @doc(description: "Allow Gift Messages for order items")
+}
+
 type Cart {
     gift_message: GiftMessage @resolver (class: "\\Magento\\GiftMessageGraphQl\\Model\\Resolver\\Cart\\GiftMessage") @doc(description: "The entered gift message for the cart")
 }
 
+type SimpleCartItem {
+    gift_message: GiftMessage @resolver (class: "\\Magento\\GiftMessageGraphQl\\Model\\Resolver\\Cart\\Item\\GiftMessage") @doc(description: "The entered gift message for the cart item")
+}
+
+type ConfigurableCartItem {
+    gift_message: GiftMessage @resolver (class: "\\Magento\\GiftMessageGraphQl\\Model\\Resolver\\Cart\\Item\\GiftMessage") @doc(description: "The entered gift message for the cart item")
+}
+
+type BundleCartItem {
+    gift_message: GiftMessage @resolver (class: "\\Magento\\GiftMessageGraphQl\\Model\\Resolver\\Cart\\Item\\GiftMessage") @doc(description: "The entered gift message for the cart item")
+}
+
 type GiftMessage {
     to: String! @doc(description: "Recepient name")
     from: String! @doc(description: "Sender name")
     message: String! @doc(description: "Gift message text")
 }
+
+input CartItemUpdateInput {
+    gift_message: GiftMessageInput @doc(description: "Gift message details for the cart item")
+}
+
+input GiftMessageInput {
+    to: String! @doc(description: "Recepient name")
+    from: String! @doc(description: "Sender name")
+    message: String! @doc(description: "Gift message text")
+}

app/code/Magento/QuoteGraphQl/Model/CartItem/DataProvider/UpdateCartItems.php

@@ -0,0 +1,145 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\CartItem\DataProvider;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\GiftMessage\Api\Data\MessageInterface;
+use Magento\GiftMessage\Api\ItemRepositoryInterface;
+use Magento\GiftMessage\Helper\Message as GiftMessageHelper;
+use Magento\Quote\Api\CartItemRepositoryInterface;
+use Magento\Quote\Model\Quote;
+use Magento\QuoteGraphQl\Model\Cart\UpdateCartItem;
+
+/**
+ * Class contain update cart items methods
+ */
+class UpdateCartItems
+{
+    /**
+     * @var CartItemRepositoryInterface
+     */
+    private $cartItemRepository;
+
+    /**
+     * @var UpdateCartItem
+     */
+    private $updateCartItem;
+
+    /**
+     * @var ItemRepositoryInterface
+     */
+    private $itemRepository;
+
+    /**
+     * @var GiftMessageHelper
+     */
+    private $giftMessageHelper;
+
+    /**
+     * @param CartItemRepositoryInterface $cartItemRepository
+     * @param UpdateCartItem              $updateCartItem
+     * @param ItemRepositoryInterface     $itemRepository
+     * @param GiftMessageHelper           $giftMessageHelper
+     */
+    public function __construct(
+        CartItemRepositoryInterface $cartItemRepository,
+        UpdateCartItem $updateCartItem,
+        ItemRepositoryInterface $itemRepository,
+        GiftMessageHelper $giftMessageHelper
+    ) {
+        $this->cartItemRepository = $cartItemRepository;
+        $this->updateCartItem = $updateCartItem;
+        $this->itemRepository = $itemRepository;
+        $this->giftMessageHelper = $giftMessageHelper;
+    }
+
+    /**
+     * Process cart items
+     *
+     * @param Quote $cart
+     * @param array $items
+     *
+     * @throws GraphQlInputException
+     * @throws LocalizedException
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
+     */
+    public function processCartItems(Quote $cart, array $items): void
+    {
+        foreach ($items as $item) {
+            if (empty($item['cart_item_id'])) {
+                throw new GraphQlInputException(__('Required parameter "cart_item_id" for "cart_items" is missing.'));
+            }
+
+            $itemId = (int)$item['cart_item_id'];
+            $customizableOptions = $item['customizable_options'] ?? [];
+            $cartItem = $cart->getItemById($itemId);
+
+            if ($cartItem && $cartItem->getParentItemId()) {
+                throw new GraphQlInputException(__('Child items may not be updated.'));
+            }
+
+            if (count($customizableOptions) === 0 && !isset($item['quantity'])) {
+                throw new GraphQlInputException(__('Required parameter "quantity" for "cart_items" is missing.'));
+            }
+
+            $quantity = (float)$item['quantity'];
+
+            if ($quantity <= 0.0) {
+                $this->cartItemRepository->deleteById((int)$cart->getId(), $itemId);
+            } else {
+                $this->updateCartItem->execute($cart, $itemId, $quantity, $customizableOptions);
+            }
+
+            if (!empty($item['gift_message'])) {
+                try {
+                    if (!$this->giftMessageHelper->isMessagesAllowed('items', $cartItem)) {
+                        continue;
+                    }
+                    if (!$this->giftMessageHelper->isMessagesAllowed('item', $cartItem)) {
+                        continue;
+                    }
+
+                    /** @var  MessageInterface $giftItemMessage */
+                    $giftItemMessage = $this->itemRepository->get($cart->getEntityId(), $itemId);
+
+                    if (empty($giftItemMessage)) {
+                        continue;
+                    }
+                } catch (LocalizedException $exception) {
+                    throw new GraphQlInputException(__('Gift Message can not be updated.'));
+                }
+
+                $this->updateGiftMessageForItem($cart, $giftItemMessage, $item, $itemId);
+            }
+        }
+    }
+
+    /**
+     * Update Gift Message for Quote item
+     *
+     * @param Quote               $cart
+     * @param MessageInterface    $giftItemMessage
+     * @param array               $item
+     * @param int                 $itemId
+     *
+     * @throws GraphQlInputException
+     */
+    private function updateGiftMessageForItem(Quote $cart, MessageInterface $giftItemMessage, array $item, int $itemId)
+    {
+        try {
+            $giftItemMessage->setRecipient($item['gift_message']['to']);
+            $giftItemMessage->setSender($item['gift_message']['from']);
+            $giftItemMessage->setMessage($item['gift_message']['message']);
+            $this->itemRepository->save($cart->getEntityId(), $giftItemMessage, $itemId);
+        } catch (LocalizedException $exception) {
+            throw new GraphQlInputException(__('Gift Message can not be updated'));
+        }
+    }
+}