feat: calculate and store average rating with feedback

src/Entity/Feedback.php

@@ -11,6 +11,7 @@ use Symfony\Component\Uid\Uuid;
 use Symfony\Component\Validator\Constraints as Assert;
 
 #[ORM\Entity(repositoryClass: FeedbackRepository::class)]
+#[ORM\HasLifecycleCallbacks]
 class Feedback implements BlameableEntityInterface, TimestampableEntityInterface
 {
     use BlameableEntity;
@@ -46,6 +47,9 @@ class Feedback implements BlameableEntityInterface, TimestampableEntityInterface
     #[Assert\Count(min: 1, minMessage: 'Bitte gib eine Bewertung ab')]
     private array $ratings = [];
 
+    #[ORM\Column(nullable: true)]
+    private ?int $averageRating = null;
+
     #[ORM\Column(type: Types::TEXT, nullable: true)]
     private ?string $comment = null;
 
@@ -155,9 +159,18 @@ class Feedback implements BlameableEntityInterface, TimestampableEntityInterface
     }
 
     public function getAverageRating(): ?int
+    {
+        return $this->averageRating;
+    }
+
+    #[ORM\PrePersist]
+    #[ORM\PreUpdate]
+    public function setAverageRating(): static
     {
         if (0 === count($this->ratings)) {
-            return null;
+            $this->averageRating = null;
+
+            return $this;
         }
 
         $sum = 0;
@@ -166,7 +179,9 @@ class Feedback implements BlameableEntityInterface, TimestampableEntityInterface
             $sum += $rating['mark'];
         }
 
-        return round($sum/count($this->ratings));
+        $this->averageRating = $sum/count($this->ratings) * 100;
+
+        return $this;
     }
 
     public function getComment(): ?string