Feature: aggregator for accompanying course by geographical level

src/Bundle/ChillMainBundle/Repository/GeographicalUnitLayerRepositoryInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Chill\MainBundle\Repository;
+
+use Chill\MainBundle\Entity\GeographicalUnitLayer;
+use Doctrine\Persistence\ObjectRepository;
+
+interface GeographicalUnitLayerRepositoryInterface extends ObjectRepository
+{
+    /**
+     * @return array|GeographicalUnitLayer[]
+     */
+    public function findAllHavingUnits(): array;
+}