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I am trying to create a custom user model in Django and thereafter create RESTAPI as per django-rest-auth provides.

CustomUserModel and CustomUSerManager are defined as-

 from django.contrib.auth.models import (
 BaseUserManager, AbstractBaseUser
 )

class UserManager(BaseUserManager):
use_in_migrations = True

def create_user(self, email, name, phone_no, user_android_id, user_fcm_token,
 user_social_flag, user_fb_id, user_android_app_version, password=None):
 user = self.model(
 email = self.normalize_email(email),
 phone_no = phone_no,
 password=password,
 user_android_id = user_android_id,
 user_fcm_token = user_fcm_token,
 user_social_flag = user_social_flag,
 user_fb_id = user_fb_id,
 user_android_app_version = user_android_app_version,
 name = name,
 )
 # user.is_staff = False
 # user.is_superuser = True
 user.set_password(password)
 user.save(using=self._db)
 return user

def create_staffuser(self, email, name, phone_no, user_android_id, user_fcm_token,
 user_social_flag, user_fb_id, user_android_app_version, password):
 user = self.create_user(
 email,
 password=password,
 phone_no=phone_no,
 user_android_id=user_android_id,
 user_fcm_token=user_fcm_token,
 user_social_flag=user_social_flag,
 user_fb_id=user_fb_id,
 user_android_app_version=user_android_app_version,
 name=name,
 )
 user.is_staff = True
 user.is_admin = False
 user.is_superuser = True
 user.save(using=self._db)
 return user

def create_superuser(self, email, name, phone_no, user_android_id, user_fcm_token,
 user_social_flag, user_fb_id, user_android_app_version, password):
 user = self.create_user(
 email,
 password=password,
 phone_no=phone_no,
 user_android_id=user_android_id,
 user_fcm_token=user_fcm_token,
 user_social_flag=user_social_flag,
 user_fb_id=user_fb_id,
 user_android_app_version=user_android_app_version,
 name=name,
 )
 user.is_admin = True
 user.save(using=self._db)
 return user


class User(AbstractBaseUser):
 objects = UserManager()

 name = models.CharField(max_length=100, blank=True, null=True)
 email = models.EmailField(unique=True)
 created_at = models.DateField(blank=True, null=True)
 phone_no = models.BigIntegerField(blank=True, null=True)
 user_android_id = models.CharField(max_length=255, blank=True, null=True)
 user_fcm_token = models.CharField(max_length=255, blank=True, null=True)
 user_social_flag = models.IntegerField(blank=True, null=True)
 user_fb_id = models.CharField(max_length=255, blank=True, null=True)
 user_android_app_version = models.CharField(max_length=25, blank=True, null=True)

 USERNAME_FIELD = 'email'

 def __str__(self): 
 return self.email

Custom View File:

from rest_auth.registration.views import RegisterView
from app.models import User

class CustomRegisterView(RegisterView):
 queryset = User.objects.all()

In settings.py file I have set:

AUTH_USER_MODEL = 'app.User'
ACCOUNT_USER_MODEL_USERNAME_FIELD = None
ACCOUNT_AUTHENTICATION_METHOD = 'email'
ACCOUNT_EMAIL_VERIFICATION = 'none'
ACCOUNT_EMAIL_REQUIRED = True
ACCOUNT_UNIQUE_EMAIL = True
ACCOUNT_USERNAME_REQUIRED = False
ACCOUNT_USER_EMAIL_FIELD = 'email'
ACCOUNT_LOGOUT_ON_GET = True


 REST_AUTH_SERIALIZERS = 
 "USER_DETAILS_SERIALIZER": 
 "app.serializers.CustomUserDetailsSerializer",
 
REST_AUTH_REGISTER_SERIALIZERS = 
 "REGISTER_SERIALIZER": 
 "app.serializers.CustomRegisterSerializer",
 

I have set the urls in url file.

re_path(r'^registration/$', views.CustomRegisterView.as_view())

When I run the /registration/ url, and fill all the details I get error:

django.db.utils.IntegrityError: null value in column "is_superuser" violates not-null constraint
DETAIL: Failing row contains (8, pbkdf2_sha256$120000$VpGItoUPHoJ9$yBQB2PqRDiqd4SQ2cDZX/wzaV3yFSf..., null, null, null, null, null, null, null, null, null, custom@user.com, null, null, null, null, null, null, null).

What am I missing here?

UPDATE 1:

While checking the database records, I found that only email, password, and last_login fields are only inserted and rest all are null. What could be reason?

UPDATE 2:

CustomRegisterSerializer class:-

 class CustomRegisterSerializer(RegisterSerializer):
 email = serializers.EmailField()
 password1 = serializers.CharField(write_only=True)
 name = serializers.CharField()
 phone_no = serializers.IntegerField()
 user_android_id = serializers.CharField()
 user_fcm_token = serializers.CharField(required=True)
 user_social_flag = serializers.IntegerField()
 user_fb_id = serializers.CharField(required=True)
 user_android_app_version = serializers.CharField()

 class Meta:
 model = User
 fields = ('email', 'name', 'phone_no', 'user_android_id', 'user_fcm_token',
 'user_social_flag', 'user_fb_id', 'user_android_app_version')

 def get_cleaned_data(self):
 super(CustomRegisterSerializer, self).get_cleaned_data()

 return 
 'password1': self.validated_data.get('password1', ''),
 'email': self.validated_data.get('email', ''),
 'phone_no': self.validated_data.get('phone_no'),
 'name': self.validated_data.get('name'),
 'user_android_id': self.validated_data.get('user_android_id'),
 'user_fcm_token': self.validated_data.get('user_fcm_token'),
 'user_social_flag': self.validated_data.get('user_social_flag'),
 'user_fb_id': self.validated_data.get('user_fb_id'),
 'user_android_app_version': self.validated_data.get('user_android_app_version'),

 

In create_user you've commented is_staff and is_superuser. Uncomment and set them to False.

EDIT:

About the fields not getting into database - is_staff and is_superuser are not defined in your user model and are also not defined in the AbstractBaseUser. Which is strange, because in this case you shouldn't have gotten that exception in the first place.

Are you just now starting your project or have you ran migrations before swapping the user model?
If you've started with the default user model from Django, you'll need some more work to do. Hopefully you don't have any real users yet and you could do it quick.
Take a careful look at the topic in Django docs.