Bewertung_fix und Veröffentlichungszeit

django/library/models.py

@@ -3,7 +3,7 @@ from django.contrib.auth.models import User
 from django.utils.text import slugify
 import uuid
 from django.core.exceptions import ValidationError
-
+from django.utils import timezone
 
 class QuizImage(models.Model):
     image = models.ImageField(max_length=256,verbose_name="Bild", upload_to='quiz_images/', blank=True, null=True)  # Bild speichern in media/quiz_images/
@@ -59,6 +59,10 @@ class QivipQuiz(models.Model):
     credits=models.TextField(blank=True, editable=True)
     average_rating = models.FloatField(default=3.0)
     rating_count = models.IntegerField(default=0)
+    published_at = models.DateTimeField(null=True, blank=True)  # manuell gesetzt, wenn veröffentlicht
+
+    def is_published(self):
+        return self.published_at is not None and self.published_at <= timezone.now()
     def __str__(self):
 
         return self.name
@@ -111,9 +115,22 @@ class QuizRating(models.Model):
     rating = models.IntegerField(choices=[(i, str(i)) for i in range(1, 6)])
     created_at = models.DateTimeField(auto_now_add=True)
 
-    class Meta:
-        unique_together = ('quiz', 'participant_id')
+    #class Meta:
+        #unique_together = ('quiz', 'participant_id')
 
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+
+        # Update quiz average rating (immer, auch bei Updates)
+        quiz = self.quiz
+        total_ratings = quiz.ratings.count()
+        avg_rating = quiz.ratings.aggregate(models.Avg('rating'))['rating__avg']
+        quiz.average_rating = round(avg_rating, 1) if avg_rating else 3.0
+        quiz.rating_count = total_ratings
+        quiz.save()
+
+
+"""
     def save(self, *args, **kwargs):
         is_new = self.pk is None
         super().save(*args, **kwargs)
@@ -125,7 +142,7 @@ class QuizRating(models.Model):
             avg_rating = quiz.ratings.aggregate(models.Avg('rating'))['rating__avg']
             quiz.average_rating = round(avg_rating, 1) if avg_rating else 3.0
             quiz.rating_count = total_ratings
-            quiz.save()
+            quiz.save()"""
 
 class QuizCategory(models.Model):
     name = models.CharField(max_length=100, unique=True)