public async Task <IActionResult> ConversionAsync([FromBody] Models.Conversion conversion)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest("Invalid data"));
            }

            var result = conversion.Sens == 0 ? Calculs.Calculs.ConvertFToC(conversion.Valeur) : Calculs.Calculs.ConvertCToF(conversion.Valeur);

            await _service.SendCreate(conversion);

            return(Accepted(result));
        }