112 lines
4.2 KiB
Python
112 lines
4.2 KiB
Python
from django.db import models
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from django.contrib.auth.models import User
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from django.utils.text import slugify
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import uuid
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from django.core.exceptions import ValidationError
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class QivipQuiz(models.Model):
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STATUS_VALUES = {
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"öffentlich": "Öffentlich",
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"versteckt": "Versteckt",
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"privat": "Privat",
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}
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DIFFICULTY_VALUES = {
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"1": "1",
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"2": "2",
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"3": "3",
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"4": "4",
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"5": "5",
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"nicht gesetzt":"nicht gesetzt",
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}
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def validate_description(value):
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if value.strip() == "In dem Quiz geht es um ...":
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raise ValidationError("Bitte gib eine aussagekräftige Beschreibung ein.")
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image = models.ImageField(max_length=256, upload_to='quiz_images/', blank=True, null=True) # Bild speichern in media/quiz_images/
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uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
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user_id = models.ForeignKey(User, on_delete=models.CASCADE, related_name='quiz')
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#creator = models.ForeignKey(User, on_delete=models.SET_NULL,blank=True, null=True, related_name='creator_quiz')
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base_quiz = models.ForeignKey('self', on_delete=models.SET_NULL,blank=True, null=True, related_name='child_quizzes')
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creation_date = models.DateTimeField(auto_now_add=True)
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update_date = models.DateTimeField(auto_now=True)
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status = models.CharField(max_length=10, choices=list(STATUS_VALUES.items()), default="öffentlich")
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category = models.ForeignKey('QuizCategory', related_name='quiz', on_delete=models.CASCADE)
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tags = models.ManyToManyField('Tag', blank=True)
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name = models.CharField(max_length=75)
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description = models.TextField(validators=[validate_description],max_length=200,blank=False, default="In dem Quiz geht es um ...")
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difficulty= models.CharField(max_length=13, choices=list(DIFFICULTY_VALUES.items()), default="nicht gesetzt", help_text="1: niedrigste Schwierigkeit und 5: höchste Schwierigkeit")
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credits=models.TextField(blank=True, editable=True)
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average_rating = models.FloatField(default=3.0)
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rating_count = models.IntegerField(default=0)
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def __str__(self):
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return self.name
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# Create your models here.
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class QivipQuestion(models.Model):
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TIME_VALUES = {
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"10": 10,
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"15": 15,
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"30": 30,
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"60": 60,
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"90": 90,
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"120": 120,
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"180": 180,
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}
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uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
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quiz_id = models.ForeignKey(QivipQuiz, on_delete=models.CASCADE, related_name='questions')
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creation_date = models.DateTimeField(auto_now_add=True)
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update_date = models.DateTimeField(auto_now=True)
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data = models.TextField()
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time_per_question = models.CharField(max_length=3, choices=list(TIME_VALUES.items()), default=30, help_text="Zeit pro Frage in Sekunden")
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def __str__(self):
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return self.data[:50]
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class Tag(models.Model):
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name = models.CharField(max_length=100, unique=True)
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def __str__(self):
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return self.name
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class QuizRating(models.Model):
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quiz = models.ForeignKey(QivipQuiz, on_delete=models.CASCADE, related_name='ratings')
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participant_id = models.CharField(max_length=200)
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rating = models.IntegerField(choices=[(i, str(i)) for i in range(1, 6)])
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ('quiz', 'participant_id')
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def save(self, *args, **kwargs):
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is_new = self.pk is None
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super().save(*args, **kwargs)
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if is_new:
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# Update quiz average rating
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quiz = self.quiz
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total_ratings = quiz.ratings.count()
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avg_rating = quiz.ratings.aggregate(models.Avg('rating'))['rating__avg']
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quiz.average_rating = round(avg_rating, 1) if avg_rating else 3.0
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quiz.rating_count = total_ratings
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quiz.save()
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class QuizCategory(models.Model):
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name = models.CharField(max_length=100, unique=True)
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description = models.TextField(blank=True, null=True)
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slug = models.SlugField(unique=True, blank=True)
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name)
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super().save(*args, **kwargs)
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def __str__(self):
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return self.name |