72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
from django.db import models
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from django.contrib.auth.models import User
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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class Profile(models.Model):
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user = models.OneToOneField(User, on_delete=models.CASCADE)
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bio = models.TextField(max_length=500, blank=True)
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location = models.CharField(max_length=100, blank=True)
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birth_date = models.DateField(null=True, blank=True)
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avatar = models.ImageField(upload_to='avatars/', null=True, blank=True)
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def __str__(self):
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return f"{self.user.username}'s Profile"
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@receiver(post_save, sender=User)
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def create_user_profile(sender, instance, created, **kwargs):
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if created:
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Profile.objects.get_or_create(user=instance)
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@receiver(post_save, sender=User)
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def save_user_profile(sender, instance, **kwargs):
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if hasattr(instance, 'profile'):
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instance.profile.save()
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else:
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Profile.objects.create(user=instance)
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class Course(models.Model):
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author = models.ForeignKey(User, on_delete=models.CASCADE, related_name='courses_created', null=True, blank=True)
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title = models.CharField(max_length=255)
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description = models.TextField()
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image = models.ImageField(upload_to='courses/', null=True, blank=True)
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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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def __str__(self):
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return self.title
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class Module(models.Model):
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course = models.ForeignKey(Course, related_name='modules', on_delete=models.CASCADE)
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title = models.CharField(max_length=255)
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order = models.PositiveIntegerField(default=0)
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class Meta:
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ordering = ['order']
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def __str__(self):
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return f"{self.course.title} - {self.title}"
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class Lesson(models.Model):
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module = models.ForeignKey(Module, related_name='lessons', on_delete=models.CASCADE)
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title = models.CharField(max_length=255)
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content = models.TextField()
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order = models.PositiveIntegerField(default=0)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ['order']
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def __str__(self):
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return self.title
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class UserProgress(models.Model):
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE)
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completed_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ('user', 'lesson')
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def __str__(self):
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return f"{self.user.username} completed {self.lesson.title}" |