from django.contrib.auth import get_user_model
from django.contrib.auth.backends import ModelBackend


class CaseInsensitiveModelBackend(ModelBackend):

    def authenticate(email=None, password=None, **kwargs):
        """
        Created by LNguyen(
        Date: 14Dec2017
        Description: Method to handle backend authentication for case insensitive usernames
        If the given credentials are valid, return a User object.
        """
        UserModel = get_user_model()

        if email is None:
            email=kwargs.get(UserModel.email)

        try:
            user=UserModel.objects.get(email__iexact=email)
            user.backend = 'profiles.backends.CaseInsensitiveModelBackend'
            if user.check_password(password):
                return user

        except UserModel.DoesNotExist:
            # This backend doesn't accept these credentials as arguments. Try the next one.
            UserModel().set_password(password)


from django.contrib.auth import get_user_model
from django.contrib.auth.backends import ModelBackend


class CaseInsensitiveModelBackend(ModelBackend):

    def authenticate(email=None, password=None, **kwargs):
        """
        Created by LNguyen(
        Date: 14Dec2017
        Description: Method to handle backend authentication for case insensitive usernames
        If the given credentials are valid, return a User object.
        """
        UserModel = get_user_model()

        if email is None:
            email=kwargs.get(UserModel.email)

        try:
            if (type(email)==str):
               user=UserModel.objects.get(email__iexact=email)
            else:
               user=UserModel.objects.get(email__exact=email)
            user.backend = 'profiles.backends.CaseInsensitiveModelBackend'
            if user.check_password(password):
                return user

        except UserModel.DoesNotExist:
            # This backend doesn't accept these credentials as arguments. Try the next one.
            UserModel().set_password(password)


Fix issues with changing passwords
Fix issues with changing passwords

  from django.contrib.auth import get_user_model
  from django.contrib.auth.backends import ModelBackend
  
  
  class CaseInsensitiveModelBackend(ModelBackend):
  
      def authenticate(email=None, password=None, **kwargs):
          """
          Created by LNguyen(
          Date: 14Dec2017
          Description: Method to handle backend authentication for case insensitive usernames
          If the given credentials are valid, return a User object.
          """
          UserModel = get_user_model()
  
          if email is None:
              email=kwargs.get(UserModel.email)
  
          try:
+             if (type(email)==str):
-             user=UserModel.objects.get(email__iexact=email)
+                user=UserModel.objects.get(email__iexact=email)
+             else:
+                user=UserModel.objects.get(email__exact=email)
              user.backend = 'profiles.backends.CaseInsensitiveModelBackend'
              if user.check_password(password):
                  return user
  
          except UserModel.DoesNotExist:
              # This backend doesn't accept these credentials as arguments. Try the next one.
              UserModel().set_password(password)
  
  
Fix issues with changing passwords
## Code Before:
from django.contrib.auth import get_user_model
from django.contrib.auth.backends import ModelBackend


class CaseInsensitiveModelBackend(ModelBackend):

    def authenticate(email=None, password=None, **kwargs):
        """
        Created by LNguyen(
        Date: 14Dec2017
        Description: Method to handle backend authentication for case insensitive usernames
        If the given credentials are valid, return a User object.
        """
        UserModel = get_user_model()

        if email is None:
            email=kwargs.get(UserModel.email)

        try:
            user=UserModel.objects.get(email__iexact=email)
            user.backend = 'profiles.backends.CaseInsensitiveModelBackend'
            if user.check_password(password):
                return user

        except UserModel.DoesNotExist:
            # This backend doesn't accept these credentials as arguments. Try the next one.
            UserModel().set_password(password)


## Instruction:
Fix issues with changing passwords
## Code After:
from django.contrib.auth import get_user_model
from django.contrib.auth.backends import ModelBackend


class CaseInsensitiveModelBackend(ModelBackend):

    def authenticate(email=None, password=None, **kwargs):
        """
        Created by LNguyen(
        Date: 14Dec2017
        Description: Method to handle backend authentication for case insensitive usernames
        If the given credentials are valid, return a User object.
        """
        UserModel = get_user_model()

        if email is None:
            email=kwargs.get(UserModel.email)

        try:
            if (type(email)==str):
               user=UserModel.objects.get(email__iexact=email)
            else:
               user=UserModel.objects.get(email__exact=email)
            user.backend = 'profiles.backends.CaseInsensitiveModelBackend'
            if user.check_password(password):
                return user

        except UserModel.DoesNotExist:
            # This backend doesn't accept these credentials as arguments. Try the next one.
            UserModel().set_password(password)

