from django.db import models class Status(models.Model): name = models.CharField(max_length=80) class Make(models.Model): name = models.CharField(max_length=80) class Model(models.Model): # Cause that won't be a confusing name at all name = models.CharField(max_length=80) make = models.ForeignKey('Make', on_delete=models.CASCADE) class Vehicle(models.Model): name = models.CharField(max_length=50) reg_number = models.CharField(max_length=7) vin_number = models.CharField(max_length=50) chassis_number = models.CharField(max_length=50) engine_number = models.CharField(max_length=50) status = models.ForeignKey('Status', on_delete=models.CASCADE) owner = models.ForeignKey('users.CustomUser', blank=True, null=True, on_delete=models.CASCADE) model = models.ForeignKey('Model', on_delete=models.CASCADE)