from django.db import models class Collection(models.Model): name = models.CharField(max_length=64) class Card(models.Model): name = models.CharField(max_length=128) collection = models.ForeignKey( Collection, on_delete=models.CASCADE, related_name="cards", related_query_name="card", ) image = models.ImageField(upload_to="cards/") class Meta: ordering = ["name"]