Pass new parameters

app/Repositories/Shop/Articles.php

@@ -47,6 +47,11 @@ class Articles
         return $data;        
     }
 
+    public static function getByCategory($category_id)
+    {
+        return Article::with(['prices.article_attribute.attribute_value'])->get();
+    }
+
     public static function getCategoriesByArticle($article)
     {
         return $article->categories->pluck('id')->toArray();