Johan Dahlin
5169a67966
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111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
from django.db import models
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class QuizUser(models.Model):
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session_key = models.CharField(max_length=40, unique=True)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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verbose_name = "Quiz User"
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verbose_name_plural = "Quiz Users"
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def __str__(self):
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return f"User {self.session_key[:8]}"
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class Course(models.Model):
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name = models.CharField(max_length=200, unique=True)
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code = models.CharField(max_length=50, blank=True)
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description = models.TextField(blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return self.name
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class Exam(models.Model):
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='exams')
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date = models.DateField()
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name = models.CharField(max_length=200, blank=True) # e.g., "2022-01-15"
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folder_path = models.CharField(max_length=500, blank=True) # Path to exam folder in content
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ['course', 'date']
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ordering = ['-date']
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def __str__(self):
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return f"{self.course.name} - {self.date}"
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class Question(models.Model):
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exam = models.ForeignKey(Exam, on_delete=models.CASCADE, related_name='questions', null=True, blank=True)
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file_path = models.CharField(max_length=500, unique=True)
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text = models.TextField()
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correct_answer = models.CharField(max_length=50) # Support multi-select answers like "A,B,C"
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file_mtime = models.FloatField(null=True, blank=True) # Track file modification time
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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tags = models.ManyToManyField('Tag', blank=True, related_name='questions')
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def __str__(self):
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return self.text[:50]
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class Tag(models.Model):
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name = models.CharField(max_length=50, unique=True)
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slug = models.SlugField(max_length=50, unique=True)
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def __str__(self):
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return self.name
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class Option(models.Model):
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question = models.ForeignKey(Question, on_delete=models.CASCADE, related_name='options')
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letter = models.CharField(max_length=1)
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text = models.TextField()
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class Meta:
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unique_together = ['question', 'letter']
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def __str__(self):
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return f"{self.letter}. {self.text[:30]}"
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class QuizSession(models.Model):
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user = models.ForeignKey(QuizUser, on_delete=models.CASCADE, related_name='quiz_sessions')
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course = models.ForeignKey(Course, on_delete=models.SET_NULL, null=True, blank=True)
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exams = models.ManyToManyField(Exam, blank=True)
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tags = models.ManyToManyField(Tag, blank=True)
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question_types = models.JSONField(default=list, blank=True) # Store as list of strings
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created_at = models.DateTimeField(auto_now_add=True)
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is_active = models.BooleanField(default=True)
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class Meta:
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ordering = ['-created_at']
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def __str__(self):
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return f"Session {self.id} for {self.user}"
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class QuizResult(models.Model):
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user = models.ForeignKey(QuizUser, on_delete=models.CASCADE, related_name='results')
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quiz_session = models.ForeignKey(QuizSession, on_delete=models.CASCADE, related_name='results', null=True, blank=True)
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question = models.ForeignKey(Question, on_delete=models.CASCADE)
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selected_answer = models.CharField(max_length=1)
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is_correct = models.BooleanField()
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difficulty = models.CharField(max_length=10, blank=True, null=True, choices=[
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('again', 'Again'),
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('hard', 'Hard'),
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('good', 'Good'),
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('easy', 'Easy'),
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])
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answered_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ['user', 'question']
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def __str__(self):
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return f"{self.user} - {self.question.text[:30]} - {'✓' if self.is_correct else '✗'}"
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