workx_backend/representative/models.py

from django.contrib.auth.models import User
from django.db import models
from phonenumber_field.modelfields import PhoneNumberField
from project.models import Project
from client.models import Client


class Role(models.Model):
    name = models.CharField(max_length=30)

    def __str__(self):
        return self.name


class Representative(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    phone = PhoneNumberField()
    role = models.ForeignKey(Role, on_delete=models.CASCADE)
    projects = models.ManyToManyField(Project)
    client = models.ForeignKey(Client, on_delete=models.CASCADE)