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

from api.core.models.trackable_model import TrackableModel


class M2M_ProspectSellingArgument(TrackableModel):
    """
    Many to Many table for selling arguments and prospects.
    """

    selling_argument = models.ForeignKey("SellingArgument", on_delete=models.CASCADE)
    prospect = models.ForeignKey("Prospect", on_delete=models.CASCADE)

    class Meta:
        constraints = [
            models.UniqueConstraint(
                fields=["selling_argument", "prospect"],
                name="unique_selling_argument_prospect",
            )
        ]