Handle AuthAlreadyAssocitatedException

from django.shortcuts import redirect

from social_auth.middleware import SocialAuthExceptionMiddleware
from social_auth.exceptions import AuthAlreadyAssociated


class CustomSocialAuthExceptionMiddleware(SocialAuthExceptionMiddleware):
    def get_redirect_uri(self, request, exception):
        if isinstance(exception, AuthAlreadyAssociated):
            # Redirect this error to a custom page where the situation is
            # explained to users
            return redirect('/account-already-associated')
        else:
            return super(CustomSocialAuthExceptionMiddleware, self)\
                            .get_redirect_uri(request, exception)


# Register it on settings.MIDDLEWARE_CLASSES