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31 lines
880 B
31 lines
880 B
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from django.db import models
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from apps.account.models import StudentUser, User
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from apps.course.models import Course
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class Participant(models.Model):
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student = models.ForeignKey(
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StudentUser,
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on_delete=models.CASCADE,
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related_name='participated_courses'
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)
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course = models.ForeignKey(
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Course,
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on_delete=models.CASCADE,
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related_name='participants'
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)
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is_active = models.BooleanField(default=True)
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joined_date = models.DateTimeField(auto_now_add=True)
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unread_messages_count = models.IntegerField(default=0)
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class Meta:
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unique_together = ('student', 'course')
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indexes = [
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models.Index(fields=['student']),
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models.Index(fields=['course']),
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models.Index(fields=['joined_date']),
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models.Index(fields=['student', 'course']),
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]
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