Django Models

models.py

# Person has one-to-one relationship with Email and Bio
class Person(models.Model):
  STATUS = [
      ('AWAY', 'I am away'),
      ('BUSY', 'I am busy'),
      ('MEETING', 'I am in a meeting'),
      ('IDLE', 'I am available')
  ]

  name = models.CharField(max_length=20)
  status = models.CharField(max_length=10, choices=STATUS, default='IDLE')
  age = models.IntegerField(default=0)
  ...
    
# Bio has a one-to-one relationship with Person, but can be NULL
class Bio(models.Model):
  bio = models.TextField()
  image = models.URLField()
  person = models.OneToOneField(Person, on_delete=models.CASCADE)
  ...
  
# Email has one-to-one relationship with Person
class Email(models.Model):
  address = models.EmailField()
  person = models.OneToOneField(Person, on_delete=models.CASCADE)
  ...