Add logic for phone (without '+' or '+7')

api/models.py

@@ -1,7 +1,7 @@
 from datetime import datetime
 
 from django.db import models
-from account.models import SiteUser
+from account.models import SiteUser, SiteAccountManager
 
 from hashlib import sha512
 from django.contrib.auth.hashers import check_password
@@ -25,15 +25,15 @@ class UserToken(models.Model):
 
     @staticmethod
     def auth(login: str, password: str):
-        user = SiteUser.objects.filter(email=login)
-
-        if len(user) == 0:
+        try:
+            user = SiteUser.get_by_natural_key(login)
+        except Exception:
             raise Exception(API_ERROR_INVALID_LOGIN)
 
-        if not check_password(password, user[0].password):
+        if not check_password(password, user.password):
             raise Exception(API_ERROR_INVALID_PASSWORD)
 
-        return user[0]
+        return user
 
     @staticmethod
     def deauth(token: str):