vault backup: 2025-12-26 02:09:22

stroma/quiz/models/quiz_result_model.py

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+from django.db import models
+from .quiz_user_model import QuizUser
+from .quiz_session_model import QuizSession
+from .question_model import Question
+
+
+class QuizResult(models.Model):
+    user = models.ForeignKey(QuizUser, on_delete=models.CASCADE, related_name='results')
+    quiz_session = models.ForeignKey(QuizSession, on_delete=models.CASCADE, related_name='results', null=True, blank=True)
+    question = models.ForeignKey(Question, on_delete=models.CASCADE)
+    selected_answer = models.CharField(max_length=1)
+    is_correct = models.BooleanField()
+    difficulty = models.CharField(max_length=10, blank=True, null=True, choices=[
+        ('again', 'Again'),
+        ('hard', 'Hard'),
+        ('good', 'Good'),
+        ('easy', 'Easy'),
+    ])
+    answered_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        unique_together = ['user', 'question']
+
+    def __str__(self):
+        return f"{self.user} - {self.question.text[:30]} - {'✓' if self.is_correct else '✗'}"
+