public async Task <IActionResult> GetAllAsync() { var result = await _orderLineService.GetAllAsync(); if (result.Status == Status.Error || result.Data.Count() == 0) { return(BadRequest(JsonSerializer.Serialize(new ErrorModel { Message = "Herhangi bir veri bulunmamaktadir!" }))); } var model = JsonSerializer.Serialize(_mapper.Map <IEnumerable <OrderLineDto> >(result.Data)); return(Ok(model)); }