text: from django.db import models
  from django.contrib.auth.models import User
  
  class Bucketlist(models.Model):
      name = models.CharField(max_length=20)
      created_by = models.ForeignKey(
          User, related_name="bucketlists", on_delete=models.CASCADE)
      date_created = models.DateTimeField(auto_now_add=True, editable=False)
      date_modified = models.DateTimeField(auto_now=True, editable=False)
  
      def __str__(self):
          return '<Bucketlist {}>'.format(self.name)
  
      @property
      def items(self):
          bucketlist_items = []
          for item in self.bl_items.all():
              bucketlist_items.append(
                  {'id': item.id,
                   'title': item.title,
                   'date_created': item.date_created,
                   'date_modified': item.date_modified,
                   'done': item.done})
          return bucketlist_items
  
      class Meta:
          ordering = ['-date_modified']
  
  class BucketlistItem(models.Model):
      title = models.CharField(max_length=30)
      bucketlist = models.ForeignKey(
          Bucketlist, related_name="bl_items", on_delete=models.CASCADE)
      done = models.BooleanField(default=False)
      date_created = models.DateTimeField(auto_now_add=True, editable=False)
      date_modified = models.DateTimeField(auto_now=True, editable=False)
  
      def __str__(self):
          return '<Item {}>'.format(self.title)
  
      class Meta:
          ordering = ['done', '-date_modified']
  