create a first set of export framework

- create interfaces
- create an export manager
- add a compiler pass to gather services tagged for export

Export/AggregatorInterface.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * Copyright (C) 2015 Champs-Libres <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\MainBundle\Export;
+
+use Symfony\Component\Form\FormBuilderInterface;
+use Doctrine\ORM\QueryBuilder;
+
+/**
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+interface AggregatorInterface
+{
+    public function applyOn();
+    
+    public function buildForm(FormBuilderInterface $builder);
+    
+    public function alterQuery(QueryBuilder $qb, $data);
+    
+    public function getTitle();
+}