public async Task <CreateCommandResponse> Post(CreateCommandRequest request) { if (!await batchRepository.DoesBatchExist(request.BatchId)) { throw Err.BatchNotFound(request.BatchId); } var step = await stepRepository.Get(request.BatchId, request.StepName); if (step == null) { throw Err.StepNotFound(request.StepName); } if (await commandRepository.DoesCommandExist(request.BatchId, request.StepName, request.CommandName)) { throw Err.CommandAlreadyExists(request.CommandName); } var command = request.ConvertTo <Core.Entities.Command>(); command.StepId = step.Id; await commandRepository.Create(command); return(new CreateCommandResponse()); }