docs: def check_login_password(request):
      """
      Resource check login and password combination is valid.
      ---
      request_serializer: serializers.CheckLoginPassword
      response_serializer: serializers.User
  
      responseMessages:
          - code: 200
            message: Login and password is valid
  
          - code: 400
            message: Login and password is not valid
  
          - code: 401
            message: Unauthorized
      """
      serializer = serializers.CheckLoginPassword(request=request, data=request.data)
      serializer.is_valid(raise_exception=True)
      username = serializer.validated_data['username']
      logger.debug('Username and password correct', extra={'username': username})
      user_serializer = serializers.User(instance=serializers.AuthUser.objects.get(username=username))
      return Response(user_serializer.data)