Prepare for moving into monorepo

src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityUserAggregator.php

@@ -0,0 +1,99 @@
+<?php
+/*
+ * Copyright (C) 2019 Champs Libres Cooperative <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\ActivityBundle\Export\Aggregator;
+
+use Symfony\Component\Form\FormBuilderInterface;
+use Doctrine\ORM\QueryBuilder;
+use Chill\MainBundle\Export\AggregatorInterface;
+use Symfony\Component\Security\Core\Role\Role;
+use Doctrine\ORM\Query\Expr\Join;
+use Chill\ActivityBundle\Security\Authorization\ActivityStatsVoter;
+use Doctrine\ORM\EntityManagerInterface;
+use Chill\MainBundle\Entity\User;
+
+/**
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class ActivityUserAggregator implements AggregatorInterface
+{
+    /**
+     *
+     * @var EntityManagerInterface
+     */
+    protected $em;
+    
+    const KEY = 'activity_user_id';
+    
+    function __construct(EntityManagerInterface $em)
+    {
+        $this->em = $em;
+    }
+    
+    public function addRole()
+    {
+        return new Role(ActivityStatsVoter::STATS);
+    }
+
+    public function alterQuery(QueryBuilder $qb, $data)
+    {
+        // add select element    
+        $qb->addSelect(sprintf('IDENTITY(activity.user) AS %s', self::KEY));
+        
+        // add the "group by" part
+        $qb->addGroupBy(self::KEY);
+    }
+
+    public function applyOn(): string
+    {
+        return 'activity';
+    }
+
+    public function buildForm(FormBuilderInterface $builder)
+    {
+        // nothing to add
+    }
+
+    public function getLabels($key, $values, $data): \Closure
+    {
+        // preload users at once
+        $this->em->getRepository(User::class)
+            ->findBy(['id' => $values]);
+        
+        return function($value) {
+            switch ($value) {
+                case '_header':
+                    return 'activity user';
+                default:
+                    return $this->em->getRepository(User::class)->find($value)
+                        ->getUsername();
+            }
+        };
+    }
+
+    public function getQueryKeys($data)
+    {
+        return [ self::KEY ];
+    }
+
+    public function getTitle(): string
+    {
+        return "Aggregate by activity user";
+    }
+}