from django.db import models

from vbv_lernwelt.core.models import User


class LearningMentor(models.Model):
    mentor_email = models.EmailField(primary_key=True)
    mentor = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)

    students = models.ManyToManyField(User, related_name="students")

    def __str__(self):
        return self.mentor_email