public async Task <IActionResult> DeleteMappingAsync([FromBody] DeleteObjectMapping command)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            await service.Execute(command);

            return(Ok());
        }
        public async Task Execute(DeleteObjectMapping command)
        {
            var mapping = await writeContext.SurveyObjectMapping.FindAsync(command.QuestionId, command.MappingType);

            if (mapping == null)
            {
                throw new EntityNotFoundException(typeof(SurveyObjectMapping), new { command.QuestionId, command.MappingType });
            }

            writeContext.SurveyObjectMapping.Remove(mapping);

            await writeContext.SaveChangesAsync();
        }