public IActionResult GetByFilters([FromBody] FilterModel[] model)
        {
            // map model to entity
            var entity = _mapper.Map <IEnumerable <Entities.Filter> >(model);

            var todoTasks   = _todoTaskService.GetByFilters(entity);
            var modelResult = _mapper.Map <IEnumerable <TodoTask>, IEnumerable <TodoTaskResourceModel> >(todoTasks);

            return(Ok(modelResult));
        }