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ENGCOM-2840: 87 Fetch attribute values and labels for customAttributeMetadata #108
- Merge Pull Request magento/graphql-ce#108 from magento/graphql-ce:87-Fetch-attribute-values-and-labels-for-customAttributeMetadata - Merged commits: 1. 7674eb1 2. 4aa808e 3. 3af924b 4. a9361b9 5. b77f96e 6. a84e6d8
2 parents 6d3dab2 + a84e6d8 commit ab5976e

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‎app/code/Magento/EavGraphQl/Model/Resolver/AttributeOptions.php

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<?php
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/**
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* Copyright © Magento, Inc. All rights reserved.
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* See COPYING.txt for license details.
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*/
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declare(strict_types=1);
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namespace Magento\EavGraphQl\Model\Resolver;
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use Magento\EavGraphQl\Model\Resolver\DataProvider\AttributeOptions as AttributeOptionsDataProvider;
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use Magento\Framework\Exception\InputException;
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use Magento\Framework\Exception\StateException;
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use Magento\Framework\GraphQl\Config\Element\Field;
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use Magento\Framework\GraphQl\Exception\GraphQlInputException;
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use Magento\Framework\GraphQl\Exception\GraphQlNoSuchEntityException;
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use Magento\Framework\GraphQl\Query\Resolver\Value;
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use Magento\Framework\GraphQl\Query\Resolver\ValueFactory;
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use Magento\Framework\GraphQl\Query\ResolverInterface;
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use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
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/**
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* Resolve attribute options data for custom attribute.
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*/
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class AttributeOptions implements ResolverInterface
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{
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/**
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* @var AttributeOptionsDataProvider
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*/
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private $attributeOptionsDataProvider;
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/**
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* @var AttributeOptions
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*/
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private $valueFactory;
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/**
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* @param AttributeOptionsDataProvider $attributeOptionsDataProvider
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* @param ValueFactory $valueFactory
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*/
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public function __construct(
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AttributeOptionsDataProvider $attributeOptionsDataProvider,
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ValueFactory $valueFactory
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) {
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$this->attributeOptionsDataProvider = $attributeOptionsDataProvider;
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$this->valueFactory = $valueFactory;
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}
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/**
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* @inheritDoc
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*/
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public function resolve(
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Field $field,
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$context,
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ResolveInfo $info,
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array $value = null,
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array $args = null
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) : Value {
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return $this->valueFactory->create(function () use ($value) {
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$entityType = $this->getEntityType($value);
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$attributeCode = $this->getAttributeCode($value);
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$optionsData = $this->getAttributeOptionsData($entityType, $attributeCode);
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return $optionsData;
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});
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}
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/**
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* @param array $value
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* @return int
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* @throws GraphQlInputException
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*/
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private function getEntityType(array $value): int
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{
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if (!isset($value['entity_type'])) {
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throw new GraphQlInputException(__('"Entity type should be specified'));
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}
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return (int)$value['entity_type'];
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}
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/**
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* @param array $value
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* @return string
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* @throws GraphQlInputException
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*/
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private function getAttributeCode(array $value): string
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{
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if (!isset($value['attribute_code'])) {
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throw new GraphQlInputException(__('"Attribute code should be specified'));
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}
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return $value['attribute_code'];
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}
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/**
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* @param int $entityType
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* @param string $attributeCode
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* @return array
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* @throws GraphQlInputException
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* @throws GraphQlNoSuchEntityException
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*/
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private function getAttributeOptionsData(int $entityType, string $attributeCode): array
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{
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try {
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$optionsData = $this->attributeOptionsDataProvider->getData($entityType, $attributeCode);
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} catch (InputException $e) {
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throw new GraphQlInputException(__($e->getMessage()), $e);
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} catch (StateException $e) {
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throw new GraphQlNoSuchEntityException(__($e->getMessage()), $e);
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}
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return $optionsData;
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}
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}

‎app/code/Magento/EavGraphQl/Model/Resolver/DataProvider/AttributeOptions.php

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<?php
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/**
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* Copyright © Magento, Inc. All rights reserved.
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* See COPYING.txt for license details.
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*/
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declare(strict_types=1);
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namespace Magento\EavGraphQl\Model\Resolver\DataProvider;
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use Magento\Eav\Api\AttributeOptionManagementInterface;
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/**
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* Attribute Options data provider
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*/
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class AttributeOptions
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{
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/**
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* @var AttributeOptionManagementInterface
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*/
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private $optionManager;
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/**
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* @param AttributeOptionManagementInterface $optionManager
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*/
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public function __construct(
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AttributeOptionManagementInterface $optionManager
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) {
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$this->optionManager = $optionManager;
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}
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/**
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* @param int $entityType
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* @param string $attributeCode
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* @return array
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*/
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public function getData(int $entityType, string $attributeCode): array
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{
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$options = $this->optionManager->getItems($entityType, $attributeCode);
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$optionsData = [];
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foreach ($options as $option) {
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// without empty option @see \Magento\Eav\Model\Entity\Attribute\Source\Table::getAllOptions
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if ($option->getValue() === '') {
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continue;
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}
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$optionsData[] = [
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'label' => $option->getLabel(),
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'value' => $option->getValue()
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];
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}
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return $optionsData;
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}
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}

‎app/code/Magento/EavGraphQl/composer.json

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"type": "magento2-module",
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"require": {
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"php": "~7.1.3||~7.2.0",
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"magento/framework": "*"
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"magento/framework": "*",
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"magento/module-eav": "*"
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},
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"suggest": {
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"magento/module-graph-ql": "*"

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

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@@ -13,6 +13,12 @@ type Attribute @doc(description: "Attribute contains the attribute_type of the s
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attribute_code: String @doc(description: "The unique identifier for an attribute code. This value should be in lowercase letters without spaces.")
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entity_type: String @doc(description: "The type of entity that defines the attribute")
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attribute_type: String @doc(description: "The data type of the attribute")
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attribute_options: [AttributeOption] @resolver(class: "Magento\\EavGraphQl\\Model\\Resolver\\AttributeOptions") @doc(description: "Attribute options list.")
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}
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type AttributeOption @doc(description: "Attribute option.") {
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label: String @doc(description: "Attribute option label.")
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value: String @doc(description: "Attribute option value.")
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}
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input AttributeInput @doc(description: "AttributeInput specifies the attribute_code and entity_type to search") {

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