Drill 26: Compare — Models and migrations

from django.db import models

class Course(models.Model):
    slug = models.SlugField(unique=True)
    title = models.CharField(max_length=120)
    created_at = models.DateTimeField(auto_now_add=True)

    def __str__(self) -> str:
        return self.title

class Lesson(models.Model):
    course = models.ForeignKey(Course, related_name='lessons', on_delete=models.CASCADE)
    title = models.CharField(max_length=160)
    minutes = models.PositiveSmallIntegerField(default=10)