MAGETWO-63667: Can't get store-specific data via catalog API

Author: Karpenko, Oleksandr

app/code/Magento/Catalog/Model/Api/SearchCriteria/CollectionProcessor/FilterProcessor/ProductWebsiteFilter.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\FilterProcessor;
+
+use Magento\Catalog\Model\ResourceModel\Product\Collection;
+use Magento\Framework\Api\Filter;
+use Magento\Framework\Api\SearchCriteria\CollectionProcessor\FilterProcessor\CustomFilterInterface;
+use Magento\Framework\Data\Collection\AbstractDb;
+
+class ProductWebsiteFilter implements CustomFilterInterface
+{
+    /**
+     * Apply website Filter to Product Collection
+     *
+     * @param Filter $filter
+     * @param AbstractDb $collection
+     * @return bool Whether the filter is applied
+     */
+    public function apply(Filter $filter, AbstractDb $collection)
+    {
+        $value = $filter->getValue();
+        if (strpos($value, ',') !== false) {
+            $value = explode(',', $value);
+        }
+        /** @var Collection $collection */
+        $collection->addWebsiteFilter($value);
+        return true;
+    }
+}

app/code/Magento/Catalog/Test/Unit/Model/Api/SearchCriteria/CollectionProcessor/FilterProcessor/ProductWebsiteFilterTest.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Catalog\Test\Unit\Model\Api\SearchCriteria\CollectionProcessor\FilterProcessor;
+
+use Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\FilterProcessor\ProductWebsiteFilter;
+use Magento\Catalog\Model\ResourceModel\Product\Collection;
+use Magento\Framework\Api\Filter;
+
+class ProductCategoryFilterTest extends \PHPUnit_Framework_TestCase
+{
+    /** @var ProductWebsiteFilter */
+    private $model;
+
+    protected function setUp()
+    {
+        $this->model = new ProductWebsiteFilter();
+    }
+
+    public function testApply()
+    {
+        /** @var Filter|\PHPUnit_Framework_MockObject_MockObject $filterMock */
+        $filterMock = $this->getMockBuilder(Filter::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        /** @var Collection|\PHPUnit_Framework_MockObject_MockObject $collectionMock */
+        $collectionMock = $this->getMockBuilder(Collection::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $filterMock->expects($this->once())
+            ->method('getValue')
+            ->willReturn('1,2');
+
+        $collectionMock->expects($this->once())
+            ->method('addWebsiteFilter')
+            ->with(['1', '2']);
+
+        $this->assertTrue($this->model->apply($filterMock, $collectionMock));
+    }
+}

app/code/Magento/Catalog/etc/di.xml

@@ -836,6 +836,7 @@
             <argument name="customFilters" xsi:type="array">
                 <item name="category_id" xsi:type="object">Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\FilterProcessor\ProductCategoryFilter</item>
                 <item name="store" xsi:type="object">Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\FilterProcessor\ProductStoreFilter</item>
+                <item name="website_id" xsi:type="object">Magento\Catalog\Model\Api\SearchCriteria\CollectionProcessor\FilterProcessor\ProductWebsiteFilter</item>
             </argument>
         </arguments>
     </virtualType>

dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductRepositoryInterfaceTest.php

@@ -710,6 +710,58 @@ public function testGetList()
         $this->assertEquals($expectedResult, $response['items'][0]['custom_attributes'][$index]['value']);
     }
 
+    /**
+     * @magentoApiDataFixture Magento/Catalog/_files/products_with_websites_and_stores.php
+     * @return void
+     */
+    public function testGetListWithFilteringByWebsite()
+    {
+        $website = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(Website::class);
+        $website->load('test', 'code');
+        $searchCriteria = [
+            'searchCriteria' => [
+                'filter_groups' => [
+                    [
+                        'filters' => [
+                            [
+                                'field' => 'website_id',
+                                'value' => $website->getId(),
+                                'condition_type' => 'eq',
+                            ],
+                        ],
+                    ],
+                ],
+                'current_page' => 1,
+                'page_size' => 10,
+            ],
+        ];
+        $serviceInfo = [
+            'rest' => [
+                'resourcePath' => self::RESOURCE_PATH . '?' . http_build_query($searchCriteria),
+                'httpMethod' => \Magento\Framework\Webapi\Rest\Request::HTTP_METHOD_GET,
+            ],
+            'soap' => [
+                'service' => self::SERVICE_NAME,
+                'serviceVersion' => self::SERVICE_VERSION,
+                'operation' => self::SERVICE_NAME . 'GetList',
+            ],
+        ];
+        $response = $this->_webApiCall($serviceInfo, $searchCriteria);
+
+        $this->assertArrayHasKey('search_criteria', $response);
+        $this->assertArrayHasKey('total_count', $response);
+        $this->assertArrayHasKey('items', $response);
+        $this->assertTrue(count($response['items']) == 1);
+
+        $isSkuExists = false;
+        foreach ($response['items'] as $item) {
+            if ($item['sku'] == 'simple-2') {
+                $isSkuExists = true;
+            }
+        }
+        $this->assertTrue($isSkuExists);
+    }
+
     /**
      * @magentoApiDataFixture Magento/Catalog/_files/products_with_websites_and_stores.php
      * @dataProvider testGetListWithFilteringByStoreDataProvider