Feature: [export][evaluation] Group evaluation by start date

src/Bundle/ChillPersonBundle/Export/Aggregator/EvaluationAggregators/ByStartDateAggregator.php

@@ -14,10 +14,23 @@ namespace Chill\PersonBundle\Export\Aggregator\EvaluationAggregators;
 use Chill\MainBundle\Export\AggregatorInterface;
 use Chill\PersonBundle\Export\Declarations;
 use Doctrine\ORM\QueryBuilder;
+use LogicException;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 class ByStartDateAggregator implements AggregatorInterface
 {
+    private const CHOICES = [
+        'by month' => 'month',
+        'by week' => 'week',
+        'by year' => 'year',
+    ];
+
+    private const DEFAULT_CHOICE = 'year';
+
+    private TranslatorInterface $translator;
+
     public function addRole(): ?string
     {
         return null;
@@ -25,8 +38,29 @@ class ByStartDateAggregator implements AggregatorInterface
 
     public function alterQuery(QueryBuilder $qb, $data)
     {
-        $qb->addSelect('AS eval_by_start_date_aggregator')
-            ->addGroupBy('eval_by_start_date_aggregator');
+        switch ($data['frequency']) {
+            case 'month':
+                $fmt = 'YYYY-MM';
+
+                break;
+
+            case 'week':
+                $fmt = 'YYYY-IW';
+
+                break;
+
+            case 'year':
+                $fmt = 'YYYY';
+
+                break;
+
+            default:
+                throw new LogicException(sprintf("The frequency data '%s' is invalid.", $data['frequency']));
+        }
+
+        $qb->addSelect(sprintf("TO_CHAR(workeval.startDate, '%s') AS eval_by_start_date_aggregator", $fmt));
+        $qb->addGroupBy(' eval_by_start_date_aggregator');
+        $qb->addOrderBy(' eval_by_start_date_aggregator', 'ASC');
     }
 
     public function applyOn(): string
@@ -36,15 +70,27 @@ class ByStartDateAggregator implements AggregatorInterface
 
     public function buildForm(FormBuilderInterface $builder)
     {
-        // No form needed
+        $builder->add('frequency', ChoiceType::class, [
+            'choices' => self::CHOICES,
+            'multiple' => false,
+            'expanded' => true,
+            'empty_data' => self::DEFAULT_CHOICE,
+            'data' => self::DEFAULT_CHOICE,
+        ]);
     }
 
     public function getLabels($key, array $values, $data)
     {
         return static function ($value): string {
             if ('_header' === $value) {
+                return 'export.aggregator.eval.by_start_date_period.Start date period';
+            }
+
+            if (null === $value) {
                 return '';
             }
+
+            return $value;
         };
     }
 
@@ -55,6 +101,6 @@ class ByStartDateAggregator implements AggregatorInterface
 
     public function getTitle(): string
     {
-        return 'Group by start date evaluations';
+        return 'export.aggregator.eval.by_start_date_period.Group by start date evaluations';
     }
 }