[MDEE-429] Enable product links (#286)

* [MDEE-429] Enable product links

Author: LucianRadu

CatalogDataExporter/Model/Provider/Product/Links.php

@@ -110,10 +110,8 @@ public function get(array $values) : array
     private function formatLinkRow(array $row, array $linkTypes) : array
     {
         return [
-            'productId' => $row['productId'],
-            'position' => $row['position'],
-            'qty' => $row['qty'],
-            'type' => $linkTypes[$row['link_type_id']] ?? null,
+            'sku' => $row['sku'],
+            'type' => $linkTypes[$row['link_type_id']] ?? null
         ];
     }
 }

CatalogDataExporter/Model/Query/ProductLinksQuery.php

@@ -11,6 +11,7 @@
 use Magento\Framework\App\ResourceConnection;
 use Magento\Framework\DB\Select;
 use Magento\Framework\DB\Sql\Expression;
+use Magento\GroupedProduct\Model\ResourceModel\Product\Link as GroupedProductLink;
 
 /**
  * Product links query for catalog data exporter
@@ -130,24 +131,26 @@ public function getQuery(array $productIds, string $storeViewCode, int $linkType
             ->where('cpe_parent.entity_id IN (?)', $productIds)
             ->where('links.link_type_id IN (?)', $linkTypeId != null ? $linkTypeId : $this->linkTypes);
 
-        foreach ($this->getProductLinkAttributesData($linkTypeId) as $attributeData) {
-            $tableAlias = \sprintf('attribute_%s', $attributeData['code']);
+        if ($linkTypeId === GroupedProductLink::LINK_TYPE_GROUPED) {
+            foreach ($this->getProductLinkAttributesData($linkTypeId) as $attributeData) {
+                $tableAlias = \sprintf('attribute_%s', $attributeData['code']);
 
-            $select->joinLeft(
-                [
-                    $tableAlias => $this->resourceConnection->getTableName(
-                        ['catalog_product_link_attribute', $attributeData['data_type']]
+                $select->joinLeft(
+                    [
+                        $tableAlias => $this->resourceConnection->getTableName(
+                            ['catalog_product_link_attribute', $attributeData['data_type']]
+                        ),
+                    ],
+                    \sprintf(
+                        '%1$s.link_id = links.link_id AND %1$s.product_link_attribute_id IN (%2$s)',
+                        $tableAlias,
+                        $attributeData['attribute_ids']
                     ),
-                ],
-                \sprintf(
-                    '%1$s.link_id = links.link_id AND %1$s.product_link_attribute_id IN (%2$s)',
-                    $tableAlias,
-                    $attributeData['attribute_ids']
-                ),
-                [
-                    $attributeData['code'] => \sprintf('%s.value', $tableAlias),
-                ]
-            );
+                    [
+                        $attributeData['code'] => \sprintf('%s.value', $tableAlias),
+                    ]
+                );
+            }
         }
 
         return $select;

CatalogDataExporter/etc/et_schema.xml

@@ -142,15 +142,14 @@
             <using field="productId" />
             <using field="storeViewCode" />
         </field>
-        <!-- Disabling links as no service is using it right now, and some information might be missing -->
-        <!--
+
         <field name="links" type="Link" repeated="true"
                provider="Magento\CatalogDataExporter\Model\Provider\Product\Links"
         >
             <using field="productId" />
             <using field="storeViewCode" />
         </field>
-        -->
+
     </record>
 
     <record name="Attribute">
@@ -319,10 +318,8 @@
         <field name="videoMetadata" type="String"/>
     </record>
     <record name="Link">
-        <field name="productId" type="ID" />
-        <field name="position" type="Int" />
+        <field name="sku" type="String" />
         <field name="type" type="String" />
-        <field name="qty" type="Float" />
     </record>