Added Repository draft

src/repository/product/ProductInterface.php

@@ -0,0 +1,24 @@
+<?php
+namespace repository\product;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use entity\product\ProductInterface as ProductEntityInterface;
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */
+interface ProductInterface
+{
+    public function getAllProducts():ArrayCollection;
+    
+    /**
+     * Just exists for maintaining reasons ;)
+     */
+    public function deleteAllProducts():void;
+    
+    public function addProducts(ArrayCollection $products):void;
+    
+    public function getProductById(int $id):ProductEntityInterface;
+}
+