add get all attribute and options

Author: khanhnhu2512

Model/Resolver/AdditionalAttributes.php

@@ -0,0 +1,48 @@
+<?php
+namespace Lof\ProductAttributesGraphQl\Model\Resolver;
+
+use Lof\ProductAttributesGraphQl\Model\Resolver\DataProvider\Attributes;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\Catalog\Model\Product;
+
+class AdditionalAttributes implements ResolverInterface
+{
+    /**
+     * @var Attributes
+     */
+    protected $attributeRepository;
+
+    /**
+     * @param Attributes $attributeRepository
+     */
+    public function __construct(
+        Attributes $attributeRepository,
+    ){
+        $this->attributeRepository = $attributeRepository;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
+    {
+        if (!isset($value['model'])) {
+            throw new GraphQlInputException(__('Value must contain "model" property.'));
+        }
+        /** @var Product $product */
+        $product = $value['model'];
+        $productSku = $product->getSku();
+        if (empty($productSku)) {
+            throw new GraphQlInputException(__('Value must contain "product_sku" property.'));
+        }
+
+        $data = $this->attributeRepository->getAdditionalAttributesBySku($productSku);
+        return [
+            'total_count' => count($data),
+            'items' => $data
+        ];
+    }
+}

Model/Resolver/DataProvider/Attributes.php

@@ -1,30 +1,54 @@
 <?php
+
 namespace Lof\ProductAttributesGraphQl\Model\Resolver\DataProvider;
 
+use Magento\Catalog\Model\Product\Attribute\Repository;
 use Magento\Catalog\Model\ProductRepository;
+use Magento\Catalog\Model\ResourceModel\Product\Attribute\CollectionFactory;
+use Magento\Framework\Api\AttributeInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
 
 class Attributes
 {
     /**
      * @var ProductRepository
      */
-    protected $productRepository;
+    private $productRepository;
+
+    /**
+     * @var CollectionFactory
+     */
+    private $attributeFactory;
+
+    /**
+     * @var Repository
+     */
+    private $attributeRepository;
 
     /**
      * @param ProductRepository $productRepository
+     * @param CollectionFactory $attributeFactory
+     * @param Repository $attributeRepository
      */
     public function __construct(
         ProductRepository $productRepository,
-    ){
+        CollectionFactory $attributeFactory,
+        Repository $attributeRepository
+    )
+    {
         $this->productRepository = $productRepository;
+        $this->attributeFactory = $attributeFactory;
+        $this->attributeRepository = $attributeRepository;
     }
 
     /**
+     * Get additional attributes by sku
+     *
      * @param $sku
-     * @return \Magento\Framework\Api\AttributeInterface[]|null
-     * @throws \Magento\Framework\Exception\NoSuchEntityException
+     * @return AttributeInterface[]|null
+     * @throws NoSuchEntityException
      */
-    public function getBySku($sku)
+    public function getAdditionalAttributesBySku($sku)
     {
         if (!$sku) {
             return null;
@@ -33,7 +57,7 @@ public function getBySku($sku)
         $attributes = $product->getAttributes();
         $additionalAttributes = [];
         foreach ($attributes as $attribute) {
-            if($attribute->getIsUserDefined() && $attribute->getIsVisibleOnFront()) {
+            if ($attribute->getIsUserDefined() && $attribute->getIsVisibleOnFront()) {
                 $data['id'] = $attribute->getId();
                 $data['code'] = $attribute->getAttributeCode();
                 $data['label'] = $attribute->getStoreLabel();
@@ -45,4 +69,39 @@ public function getBySku($sku)
         }
         return $additionalAttributes;
     }
+
+    /**
+     * Get visible and filterable attributes and options
+     *
+     * @return array
+     * @throws NoSuchEntityException
+     */
+    public function getVisibleAttributes()
+    {
+        $attributeData = [];
+        $attributeInfo = $this->attributeFactory->create();
+        foreach ($attributeInfo as $items) {
+            if ($items->getIsVisibleOnFront() && $items->getIsFilterable()) {
+                $options = $this->attributeRepository->get($items->getAttributeCode())->getOptions();
+                $optionData = [];
+                foreach ($options as $option) {
+                    if (!($option->getValue() == null) || !($option->getLabel() == " ")) {
+                        $optionData[] = [
+                            'label' => $option->getLabel(),
+                            'value' => $option->getValue(),
+                        ];
+                    }
+                }
+                if (!empty($optionData)) {
+                    $attributeData[] = [
+                        'attribute_code' => $items->getAttributeCode(),
+                        'attribute_label' => $items->getStoreLabel(),
+                        'total_count' => count($optionData),
+                        'options' => $optionData,
+                    ];
+                }
+            }
+        }
+        return $attributeData;
+    }
 }

Model/Resolver/AttributeBySku.php renamed to Model/Resolver/VisibleAttributes.php

@@ -6,8 +6,9 @@
 use Magento\Framework\GraphQl\Exception\GraphQlInputException;
 use Magento\Framework\GraphQl\Query\ResolverInterface;
 use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\Catalog\Model\Product;
 
-class AttributeBySku implements ResolverInterface
+class VisibleAttributes implements ResolverInterface
 {
     /**
      * @var Attributes
@@ -28,11 +29,7 @@ public function __construct(
      */
     public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
     {
-        if (!isset($args['sku']) || (isset($args['sku']) && !$args['sku'])) {
-            throw new GraphQlInputException(__('sku is required.'));
-        }
-
-        $data = $this->attributeRepository->getBySku($args['sku']);
+        $data = $this->attributeRepository->getVisibleAttributes();
         return [
             'total_count' => count($data),
             'items' => $data