Django - Creating a new user model extending an already extended user model

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I am starting a new project and I created my user model extending the AbstractBaseUser, like below:

class NewUser(AbstractBaseUser, PermissionsMixin):

    email = models.EmailField( unique=True)
    user_name = models.CharField(max_length=150, unique=True)
    ...

I am wondering whether it is possible and makes sense to create my user (e.g. Teacher) by extending NewUser, and adding all of the Teacher profile info. That would be something like:

class Teacher(NewUser):

    role = models.CharField(max_length=150)
    title = models.CharField(max_length=150)
    date_of_birth = models.CharField(max_length=150)
    ...

Would this be good practice and would it allow me to use the built-in authentication methods with DRS?

And would this give more flexibility if then I want to enable other users (e.g. Students) to also register an account and log-in?

Or would it make more sense to just use NewUser directly?

Would Really appreciate some advice/ insight!

django-rest-framework django-models django
1 Answers

I'll suggest using OneToOneField like this:

class Teacher(models.Model):
    user = models.OneToOneField(NewUser, related_name='teacher')
    # Other fields that related to Teacher

class Student(models.Model):
    user = models.OneToOneField(NewUser, related_name='student')
    # Other fields that related to Student

So, NewUser model will be responsible only for the login, signup, and permissions.

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