diff --git a/helpers/ProductHelper.php b/helpers/ProductHelper.php
index 2962c6a..43c90bd 100755
--- a/helpers/ProductHelper.php
+++ b/helpers/ProductHelper.php
@@ -4,6 +4,8 @@
     
     use artweb\artbox\ecommerce\models\Category;
     use artweb\artbox\ecommerce\models\Product;
+    use yii\base\InvalidConfigException;
+    use yii\base\InvalidParamException;
     use yii\base\Object;
     use Yii;
     use yii\db\ActiveQuery;
@@ -181,4 +183,95 @@
         {
             return \Yii::$app->session->get('last_category_id');
         }
+        
+        /**
+         * Group Product[] by Categories
+         * Array of categories with 2 levels:
+         * <code>
+         * [
+         *  'parent_id' => [
+         *      'id',
+         *      'name',
+         *      'count',
+         *      'children' => [
+         *          'id' => [
+         *              'id',
+         *              'name',
+         *              'count',
+         *          ]
+         *      ]
+         *  ]
+         * ]
+         * </code>
+         *
+         * @param Product[] $products
+         *
+         * @return array
+         * @throws InvalidConfigException
+         */
+        public static function groupByCategories(array $products): array
+        {
+            $categoryList = [];
+            foreach ($products as $product) {
+                if (!( $product instanceof Product )) {
+                    throw new InvalidParamException('$products must be array of ' . Product::className());
+                }
+                foreach ($product->categories as $category) {
+                    /**
+                     * @var Category|null $parentCategory
+                     */
+                    $parentCategory = $category->parentAR;
+                    /* If category has parent add current category to parents children array,
+                    else create current category as root category */
+                    if ($parentCategory) {
+                        /* If parent category already in $categoryList search current category in its array,
+                        else create it in $categoryList and add current category to it */
+                        if (array_key_exists($parentCategory->id, $categoryList)) {
+                            /* If current category already in parent category array increament count by 1,
+                            else add current category to parent category children array */
+                            if (array_key_exists($category->id, $categoryList[ $parentCategory->id ][ 'children' ])) {
+                                $categoryList[ $parentCategory->id ][ 'children' ][ $category->id ][ 'count' ] += 1;
+                            } else {
+                                $categoryList[ $parentCategory->id ][ 'children' ][ $category->id ] = [
+                                    'id'    => $category->id,
+                                    'name'  => $category->lang->title,
+                                    'alias' => $category->lang->alias,
+                                    'count' => 1,
+                                ];
+                            }
+                        } else {
+                            $categoryList[ $parentCategory->id ] = [
+                                'id'       => $parentCategory->id,
+                                'name'     => $parentCategory->lang->title,
+                                'alias'    => $parentCategory->lang->alias,
+                                'children' => [
+                                    $category->id => [
+                                        'id'    => $category->id,
+                                        'name'  => $category->lang->title,
+                                        'alias' => $category->lang->alias,
+                                        'count' => 1,
+                                    ],
+                                ],
+                                'count'    => 0,
+                            ];
+                        }
+                    } else {
+                        /* If current category already in $categoryList increment its count by 1,
+                        else add it to $categoryList */
+                        if (array_key_exists($category->id, $categoryList)) {
+                            $categoryList[ $category->id ][ 'count' ] += 1;
+                        } else {
+                            $categoryList[ $category->id ] = [
+                                'id'       => $category->id,
+                                'name'     => $category->lang->title,
+                                'alias'    => $category->lang->alias,
+                                'count'    => 1,
+                                'children' => [],
+                            ];
+                        }
+                    }
+                }
+            }
+            return $categoryList;
+        }
     }
\ No newline at end of file
diff --git a/models/Category.php b/models/Category.php
index cafc49a..f073556 100755
--- a/models/Category.php
+++ b/models/Category.php
@@ -31,6 +31,7 @@
      * @property Brand[]           $brands
      * @property TaxGroup[]        $taxGroups
      * @property Category[]        $siblings
+     * @property Category          $parentAR
      *       * From language behavior *
      * @property CategoryLang      $lang
      * @property CategoryLang[]    $langs
@@ -334,4 +335,14 @@
                             ]
                         );
         }
+        
+        /**
+         * Return Active query to obtain parent category
+         *
+         * @return ActiveQuery
+         */
+        public function getParentAR()
+        {
+            return $this->hasOne(self::className(), [ 'id' => 'parent_id' ]);
+        }
     }
diff --git a/models/ProductFrontendSearch.php b/models/ProductFrontendSearch.php
index dd8086c..efa6dae 100755
--- a/models/ProductFrontendSearch.php
+++ b/models/ProductFrontendSearch.php
@@ -98,7 +98,7 @@
             $dataProvider = new ArrayDataProvider(
                 [
                     'allModels'  => $this->getSearchQuery($category, $params, $in_stock)
-                                         ->with('variant')->all(),
+                                         ->with('variant', 'videos')->all(),
                     'pagination' => [
                         'pageSize' => 10,
                     ],
--
libgit2 0.21.4