from django.db import models
from django.utils.translation import gettext_lazy as _

from api.core.models.trackable_model import TrackableModel
from api.users.models.authorization import Authorization
from api.users.models.role import Role


class M2M_RoleAuthorizations(TrackableModel):
    """
    Many to Many table for roles and authorizations.
    """

    role = models.ForeignKey(Role, on_delete=models.CASCADE)
    authorization = models.ForeignKey(Authorization, on_delete=models.CASCADE)

    class Meta:
        constraints = [
            models.UniqueConstraint(
                fields=["role", "authorization"], name="unique_role_authorization"
            )
        ]