import uuid from django.db import models from django.contrib.auth import get_user_model class User(models.Model): id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) class Prediction(models.Model): id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True) result = models.JSONField() deleted_at = models.DateTimeField(null=True, blank=True) class UserPrediction(models.Model): user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE) prediction = models.ForeignKey("Prediction", on_delete=models.CASCADE) created_at = models.DateTimeField()