Add support for variation groups. (#57)

Author: ziadoz

src/Writer/Entity/Product.php

@@ -36,6 +36,7 @@ class Product implements WriteableEntityInteface
     public $setProducts               = null;
     public $classificationCategoryId;
     public $classificationCatalogId;
+    public $variationGroups           = [];
 
     public function __construct(string $id)
     {
@@ -222,6 +223,18 @@ public function setClassificationCategory(string $classificationCategoryId, stri
         $this->classificationCatalogId  = $classificationCatalogId;
     }
 
+    public function addVariationGroups(array $variationGroups): void
+    {
+        foreach ($variationGroups as $variationGroup) {
+            $this->addVariationGroup($variationGroup);
+        }
+    }
+
+    public function addVariationGroup(string $variationGroup): void
+    {
+        $this->variationGroups[] = $variationGroup;
+    }
+
     public function write(XmlWriter $writer): void
     {
         (new ProductXmlWriter($writer, $this))->write();

src/Writer/EntityWriter/ProductXmlWriter.php

@@ -42,6 +42,7 @@ public function write(): void
         $this->writeVariations();
         $this->writeBundleProducts();
         $this->writeSetProducts();
+        $this->writeVariationGroups();
         $this->writeClassificationCategory();
         $this->writer->endElement();
     }
@@ -224,4 +225,21 @@ public function writeClassificationCategory(): void
             ]);
         }
     }
+
+    public function writeVariationGroups(): void
+    {
+        if (count($this->product->variationGroups) === 0) {
+            return;
+        }
+
+        $this->writer->startElement('variation-groups');
+
+        foreach (array_unique($this->product->variationGroups) as $variationGroup) {
+            $this->writer->writeEmptyElementWithAttributes('variation-group', [
+                'product-id' => $variationGroup,
+            ]);
+        }
+
+        $this->writer->endElement();
+    }
 }

tests/Writer/ProductsTest.php

@@ -148,6 +148,12 @@ protected function buildProductElement(): Product
             'SKU0000003' => true,
         ]);
 
+        $element->addVariationGroups([
+            'PRODUCT123-Red',
+            'PRODUCT123-Yellow',
+            'PRODUCT123-Green',
+        ]);
+
         return $element;
     }
 

tests/fixtures/product-xml-escaped.xml

@@ -52,6 +52,11 @@
                 <variant product-id="SKU0000003" default="true"/>
             </variants>
         </variations>
+        <variation-groups>
+            <variation-group product-id="PRODUCT123-Red"/>
+            <variation-group product-id="PRODUCT123-Yellow"/>
+            <variation-group product-id="PRODUCT123-Green"/>
+        </variation-groups>
         <classification-category catalog-id="TestCatalog">CAT123</classification-category>
     </product>
 </catalog>

tests/fixtures/products.xml

@@ -51,6 +51,11 @@
         <variant product-id="SKU0000003" default="true"/>
       </variants>
     </variations>
+    <variation-groups>
+      <variation-group product-id="PRODUCT123-Red"/>
+      <variation-group product-id="PRODUCT123-Yellow"/>
+      <variation-group product-id="PRODUCT123-Green"/>
+    </variation-groups>
     <classification-category catalog-id="TestCatalog">CAT123</classification-category>
   </product>
   <product product-id="PRD12340000">