from django.db import models


from apps.account.models import StudentUser, User
from apps.course.models import Course


class Participant(models.Model):
    student = models.ForeignKey(
        StudentUser,
        on_delete=models.CASCADE,
        related_name='participated_courses'
    )
    course = models.ForeignKey(
        Course,
        on_delete=models.CASCADE,
        related_name='participants'
    )
<<<<<<< HEAD
=======
    is_active = models.BooleanField(default=True)
>>>>>>> develop
    joined_date = models.DateTimeField(auto_now_add=True)
    unread_messages_count = models.IntegerField(default=0)
    
    class Meta:
<<<<<<< HEAD
        unique_together = ('student', 'course') 
=======
        unique_together = ('student', 'course')
        indexes = [
            models.Index(fields=['student']),
            models.Index(fields=['course']),
            models.Index(fields=['joined_date']),
            models.Index(fields=['student', 'course']),
        ]
>>>>>>> develop