[export] add a filter and aggregator on activities: filter/group by persons taking part to the activity

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

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ActivityBundle\Export\Aggregator;
+
+use Chill\ActivityBundle\Export\Declarations;
+use Chill\ActivityBundle\Tests\Export\Aggregator\PersonsAggregatorTest;
+use Chill\MainBundle\Export\AggregatorInterface;
+use Chill\PersonBundle\Export\Helper\LabelPersonHelper;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Form\FormBuilderInterface;
+
+/**
+ * @see PersonsAggregatorTest
+ */
+final readonly class PersonsAggregator implements AggregatorInterface
+{
+    private const PREFIX = 'act_persons_agg';
+
+    public function __construct(private LabelPersonHelper $labelPersonHelper) {}
+
+    public function buildForm(FormBuilderInterface $builder)
+    {
+        // nothing to add here
+    }
+
+    public function getFormDefaultData(): array
+    {
+        return [];
+    }
+
+    public function getLabels($key, array $values, mixed $data)
+    {
+        if ($key !== self::PREFIX.'_pid') {
+            throw new \UnexpectedValueException('this key should not be handled: '.$key);
+        }
+
+        return $this->labelPersonHelper->getLabel($key, $values, 'export.aggregator.activity.by_persons.Persons');
+    }
+
+    public function getQueryKeys($data)
+    {
+        return [self::PREFIX.'_pid'];
+    }
+
+    public function getTitle()
+    {
+        return 'export.aggregator.activity.by_persons.Group activity by persons';
+    }
+
+    public function addRole(): ?string
+    {
+        return null;
+    }
+
+    public function alterQuery(QueryBuilder $qb, $data)
+    {
+        $p = self::PREFIX;
+
+        $qb
+            ->leftJoin('activity.persons', "{$p}_p")
+            ->addSelect("{$p}_p.id AS {$p}_pid")
+            ->addGroupBy("{$p}_pid");
+    }
+
+    public function applyOn()
+    {
+        return Declarations::ACTIVITY;
+    }
+}