from .models import UserModel
from django.db.models import Q
import logging


class MyAuthBackend(object):
    def authenticate(self, email_or_phone_number=None, password=None):
    try:
        user = UserModel.objects.get(Q(email=email_or_phone_number) |
                           Q(phone_number=email_or_phone_number))
        if user.check_password(password):
            return user
        else:
            return None
    except UserModel.DoesNotExist:
        logging.getLogger("error_logger").error("user with login %s
                        does not exists" % login)
        return None
    except Exception as e:
        logging.getLogger("error_logger").error(repr(e))
        return None

def get_user(self, user_id):
    try:
        user = UserModel.objects.get(sys_id=user_id)
        if user.is_active:
            return user
        return None
    except UserModel.DoesNotExist:
        logging.getLogger("error_logger").error("user with %(user_id)d
                      not found")
        return None