feat: feedback statistics

addresses #869bgtz2d
2025-12-23 14:54:27 +01:00
parent 2fb4fd750b
commit cdfd172a1e
16 changed files with 745 additions and 4 deletions
@@ -3,6 +3,7 @@
 namespace App\Repository;

 use App\Entity\Feedback;
+use App\Entity\FeedbackSet;
 use App\Entity\Teamer;
 use App\Model\FeedbackFilterDto;
 use App\Repository\Traits\QueryHelperTrait;
@@ -116,4 +117,103 @@ class FeedbackRepository extends ServiceEntityRepository
            ->getResult()
        ;
    }
+
+    /**
+     * Returns average ratings per question index grouped by FeedbackSet.
+     *
+     * @return array<int, array{
+     *     feedbackSet: FeedbackSet,
+     *     averages: array<int, float>,
+     *     count: int
+     * }>
+     */
+    public function getAverageRatingsByQuestionAndFeedbackSet(
+        ?\DateTimeImmutable $dateFrom = null,
+        ?\DateTimeImmutable $dateTo = null,
+    ): array {
+        $qb = $this->createQueryBuilder('f');
+
+        $qb
+            ->select('f.ratings', 'IDENTITY(f.feedbackSet) AS feedbackSetId')
+            ->where('f.status = :status')
+            ->andWhere('f.feedbackSet IS NOT NULL')
+            ->setParameter('status', Feedback::STATUS_PUBLISHED)
+        ;
+
+        if (null !== $dateFrom) {
+            $qb
+                ->andWhere($qb->expr()->gte('f.assignmentDateFrom', ':dateFrom'))
+                ->setParameter('dateFrom', $dateFrom)
+            ;
+        }
+
+        if (null !== $dateTo) {
+            $qb
+                ->andWhere($qb->expr()->lte('f.assignmentDateTo', ':dateTo'))
+                ->setParameter('dateTo', $dateTo)
+            ;
+        }
+
+        $results = $qb->getQuery()->getResult();
+
+        // Group by feedbackSet and calculate averages per question index
+        $grouped = [];
+
+        foreach ($results as $row) {
+            $feedbackSetId = $row['feedbackSetId'];
+            $ratings = $row['ratings'];
+
+            if (false === isset($grouped[$feedbackSetId])) {
+                $grouped[$feedbackSetId] = [
+                    'sums' => [],
+                    'counts' => [],
+                    'totalCount' => 0,
+                ];
+            }
+
+            foreach ($ratings as $index => $rating) {
+                if (false === isset($rating['mark'])) {
+                    continue;
+                }
+
+                $mark = (float) $rating['mark'];
+
+                if (false === isset($grouped[$feedbackSetId]['sums'][$index])) {
+                    $grouped[$feedbackSetId]['sums'][$index] = 0.0;
+                    $grouped[$feedbackSetId]['counts'][$index] = 0;
+                }
+
+                $grouped[$feedbackSetId]['sums'][$index] += $mark;
+                ++$grouped[$feedbackSetId]['counts'][$index];
+            }
+
+            ++$grouped[$feedbackSetId]['totalCount'];
+        }
+
+        // Convert sums to averages and fetch FeedbackSet entities
+        $feedbackSetRepository = $this->getEntityManager()->getRepository(FeedbackSet::class);
+        $output = [];
+
+        foreach ($grouped as $feedbackSetId => $data) {
+            $feedbackSet = $feedbackSetRepository->find($feedbackSetId);
+
+            if (null === $feedbackSet) {
+                continue;
+            }
+
+            $averages = [];
+            foreach ($data['sums'] as $index => $sum) {
+                $count = $data['counts'][$index];
+                $averages[$index] = $count > 0 ? round($sum / $count, 2) : 0.0;
+            }
+
+            $output[] = [
+                'feedbackSet' => $feedbackSet,
+                'averages' => $averages,
+                'count' => $data['totalCount'],
+            ];
+        }
+
+        return $output;
+    }
 }