SOL-477 Widget performance optimization (#287)

SOL-477 Widget performance optimization

Author: Nidhognit

src/Spryker/Client/ProductStorage/Finder/AbstractProductViewTransferFinder.php

@@ -99,7 +99,7 @@ protected function mapProductData(array $productStorageDataCollection, string $l
             $productSelectedAttributes = $this->getProductSelectedAttributes($productStorageData, $selectedAttributes);
             $productViewTransfer = $this
                 ->productStorageDataMapper
-                ->mapProductStorageData($localeName, $productStorageData, $this->getProductSelectedAttributes($productStorageData, $selectedAttributes));
+                ->mapProductStorageData($localeName, $productStorageData, $productSelectedAttributes);
             $this->cacheProductViewTransfer($productViewTransfer, $localeName, $productSelectedAttributes);
 
             $productViewTransfers[$this->getProductId($productViewTransfer)] = $productViewTransfer;

src/Spryker/Client/ProductStorage/Mapper/ProductStorageDataMapper.php

@@ -36,6 +36,11 @@ class ProductStorageDataMapper implements ProductStorageDataMapperInterface
      */
     protected $localeClient;
 
+    /**
+     * @var array<string, \Generated\Shared\Transfer\ProductViewTransfer>
+     */
+    protected static array $mappingCache = [];
+
     /**
      * @uses \Spryker\Client\ProductStorage\Mapper\ProductStorageDataMapper::filterProductStorageExpanderPlugins()
      *
@@ -67,6 +72,12 @@ public function mapProductStorageData(
         array $selectedAttributes = [],
         ?ProductStorageCriteriaTransfer $productStorageCriteriaTransfer = null
     ) {
+        $cacheKey = $this->generateCacheKey($locale, $productStorageData, $selectedAttributes, $productStorageCriteriaTransfer);
+
+        if (isset(static::$mappingCache[$cacheKey])) {
+            return static::$mappingCache[$cacheKey];
+        }
+
         $productStorageData = $this->filterAbstractProductVariantsData($productStorageData);
         $productViewTransfer = $this->createProductViewTransfer($productStorageData);
         $productViewTransfer->setSelectedAttributes($selectedAttributes);
@@ -81,9 +92,29 @@ public function mapProductStorageData(
             $productViewTransfer = $productViewExpanderPlugin->expandProductViewTransfer($productViewTransfer, $productStorageData, $locale);
         }
 
+        static::$mappingCache[$cacheKey] = $productViewTransfer;
+
         return $productViewTransfer;
     }
 
+    protected function generateCacheKey(
+        string $locale,
+        array $productStorageData,
+        array $selectedAttributes,
+        ?ProductStorageCriteriaTransfer $productStorageCriteriaTransfer
+    ): string {
+        $criteriaKey = $productStorageCriteriaTransfer !== null
+            ? serialize($productStorageCriteriaTransfer->toArray())
+            : 'null';
+
+        return md5(
+            $locale
+            . serialize($productStorageData)
+            . serialize($selectedAttributes)
+            . $criteriaKey,
+        );
+    }
+
     protected function filterAbstractProductVariantsData(array $productStorageData): array
     {
         return $this->productAbstractVariantsRestrictionFilter->filterAbstractProductVariantsData($productStorageData);