How to update UserProfile connected through one-to-one field with CustomUser model in django, using django_rest_auth and django rest framework ??

[mnamegaurav]

I am using dj_rest_auth which is forked from django_rest_auth with djangorestframework. I want to update the UserProfile from the same API ,where I create user.

This is my CustomUser model-

class User(AbstractUser):
    email = models.EmailField(unique=True)
    full_name = models.CharField(max_length=150, verbose_name='Full name')
    date_updated = models.DateTimeField(auto_now=True)

    username = None
    first_name = None
    last_name = None
    USERNAME_FIELD = 'email'
    REQUIRED_FIELDS = []

    objects = UserManager()

    def __str__(self):
        return self.email

This is my UserProfile model-

class UserProfile(models.Model):
    user = models.OneToOneField(User , related_name='user_profile', on_delete=models.PROTECT)
    profile_picture = models.CharField(max_length=400, null=True, blank=True)
    contact = models.CharField(max_length=20, unique=True)
    dob = models.DateField()
    age_group = models.ForeignKey(AgeGroup, on_delete=models.PROTECT)
    profession = models.ForeignKey(Profession, on_delete=models.PROTECT)
    interested_in = models.ManyToManyField(Interest)
    is_married = models.BooleanField(default=False)
    country = models.ForeignKey(Country, on_delete=models.PROTECT)
    state = models.ForeignKey(State, on_delete=models.PROTECT)
    city = models.ForeignKey(City, on_delete=models.PROTECT)
    is_profile_completed = models.BooleanField(default=False)
    date_added = models.DateTimeField(auto_now_add=True)
    date_updated = models.DateTimeField(auto_now=True)

    class Meta:
        db_table = 'user_profile'

    def __str__(self):
        return str(self.user.email)

    def clean(self):
        # Don't allow people less than 18
        age_in_days = (datetime.date.today() - self.dob).days
        print(age_in_days)
        age = age_in_days / 365
        print(age)
        if age < 18:
            raise ValidationError(gettext_lazy('You should be an adult (18+).'))

This is my UserSerializer-

class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = ['pk', 'full_name', 'email', 'is_superuser', 'is_staff', 'is_active',]
        read_only_fields = ('email', 'is_superuser', 'is_staff', 'is_staff')

This is my UserProfileSerializer-

class UserProfileSerializer(UserSerializer):
    contact = serializers.CharField(source="user_profile.contact")
  
    class Meta(UserSerializer.Meta):
        fields = UserSerializer.Meta.fields + ['contact']

    def update(self, instance, validated_data):
        profile_data = validated_data.pop('user_profile', {})

        contact = profile_data.get('contact')
        instance = super(UserSerializer, self).update(instance, validated_data)

        # get and update user profile
        # yet to write complete code
        profile = instance.user_profileer
        if profile_data and contact:
            profile.contact = contact
            profile.save()
        return instance

I have also defined REST_AUTH_SERIALIZERS for 'USER_DETAILS_SERIALIZER'

'USER_DETAILS_SERIALIZER': 'api.serializers.UserProfileSerializer',
It is giving me same error again and again, Please help me out.

AttributeError at /api/rest-auth/user/
Got AttributeError when attempting to get a value for field `user` on serializer `UserProfileSerializer`.
The serializer field might be named incorrectly and not match any attribute or key on the `User` instance.
Original exception text was: 'User' object has no attribute 'user'.
Request Method: GET
Request URL:    http://localhost:8000/api/rest-auth/user/
Django Version: 3.1.1
Exception Type: AttributeError
Exception Value:    
Got AttributeError when attempting to get a value for field `user` on serializer `UserProfileSerializer`.
The serializer field might be named incorrectly and not match any attribute or key on the `User` instance.
Original exception text was: 'User' object has no attribute 'user'.
Exception Location: /home/gaurav/brandlogist/honest_conversations/env/lib/python3.8/site-packages/rest_framework/fields.py, line 487, in get_attribute
Python Executable:  /home/gaurav/brandlogist/honest_conversations/env/bin/python
Python Version: 3.8.6
Python Path:    
['/home/gaurav/brandlogist/honest_conversations/brandlogist',
 '/usr/lib/python38.zip',
 '/usr/lib/python3.8',
 '/usr/lib/python3.8/lib-dynload',
 '/home/gaurav/brandlogist/honest_conversations/env/lib/python3.8/site-packages']
Server time:    Tue, 20 Oct 2020 13:32:50 +0000