from django.db import models
from oauth2_provider.models import get_application_model

from apps.users.models import User

Application = get_application_model()


class Invoke(models.Model):
    caller_application = models.ForeignKey(to=Application, on_delete=models.PROTECT)
    callee_application = models.CharField(to=Application, on_delete=models.PROTECT)
    caller_user = models.ForeignKey(to=User, on_delete=models.PROTECT)
    cost = models.DecimalField()
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)
    # TODO: move to external model
    request = models.JSONField()
    response = models.JSONField()