39 lines
1.6 KiB
Python
39 lines
1.6 KiB
Python
from django.db import models
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from django.contrib.auth.models import User
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from django.conf import settings
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from course.models import Course
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from instructor.models import Instructor
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from student.models import Student
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from django.utils import timezone
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class Lesson(models.Model):
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='lessons')
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instructor = models.ForeignKey(Instructor, on_delete=models.CASCADE, related_name='lessons')
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date = models.DateField(default=timezone.now)
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start_time = models.TimeField()
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end_time = models.TimeField()
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location = models.CharField(max_length=200, default='Учебный класс')
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max_students = models.PositiveIntegerField(default=10)
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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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class Meta:
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ordering = ['date', 'start_time']
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verbose_name = 'Занятие'
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verbose_name_plural = 'Занятия'
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def __str__(self):
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return f"{self.course.title} - {self.date} {self.start_time}"
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class LessonEnrollment(models.Model):
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lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE, related_name='enrollments')
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student = models.ForeignKey(Student, on_delete=models.CASCADE, related_name='enrollments')
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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unique_together = ['lesson', 'student']
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verbose_name = 'Запись на занятие'
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verbose_name_plural = 'Записи на занятия'
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def __str__(self):
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return f"{self.student} - {self.lesson}" |