public void TerminateElection(TerminateElection command)
{
//this would be idempotent - applying the terminate election command twice will have
//no effect on the system after the first command is applied.
if (_state.TerminationDate == null)
{
ApplyEvent(new ElectionTerminatedEvent
{
ElectionId = Id.ToString(),
TerminatedDate = command.TerminationDate,
},
@event => _state.Apply(@event));
}
}
//
//Get /Elections/Terminate
public ActionResult Terminate(string electionId)
{
var terminateCommand = new TerminateElection
{
ElectionId = electionId,
TerminationDate = DateTime.Now,
};
try
{
var response = _commandSender.Send(terminateCommand);
if (response.CommandStatus == CommandStatusEnum.Failed)
{
ModelState.AddModelError("ResponseError", response.Message);
}
return RedirectToAction("Index");
}
catch (TimeoutException toe)
{
ModelState.AddModelError("TimeOutError", toe.Message);
return RedirectToAction("Index");
}
catch (Exception ex)
{
ModelState.AddModelError("Error", ex.Message);
return RedirectToAction("Index");
}
}
//private readonly IDispatchCommandsAndWaitForResponse m_commandDispatcher;
public ElectionModule(IReadModelFacade readModel)
: base("/elections")
{
//initialize stuff
//m_commandDispatcher = commandDispatcher;
var bus = ServiceBusFactory.New(configurator =>
{
configurator.UseRabbitMq();
configurator.ReceiveFrom("rabbitmq://localhost/command_request_queue");
});
//define routes
Get["/"] = parameters =>
{
//get non-terminated elections for this participant from our read model
//note: we can filter (only get un-terminated elections) on the read model side so that we do not send back
//a load of election records that we discard here
var elections = readModel.GetElectionsForParticipant(Participantid)
.Where(election => election.IsTerminated == false)
.ToList();
var electionsModel = new ElectionsModel
{
Elections = elections,
ShowElectionDetail = false,
SelectedElection = null,
};
return View["Elections", electionsModel];
};
Get["/{electionid}"] = parameters =>
{
var elections = readModel.GetElectionsForParticipant(Participantid)
.Where(election => election.IsTerminated == false)
.ToList();
var selectedElection =
elections.FirstOrDefault(election => election.Id == parameters.electionid);
var electionsModel = new ElectionsModel
{
Elections = elections,
ShowElectionDetail = selectedElection != null,
SelectedElection = selectedElection,
};
return View["Elections", electionsModel];
};
Get["/newelection"] = paramerters => View["NewElection"];
Post["/newelection"] = parameters =>
{
MakeAnElection command = this.Bind();
command.PlanYearBenefitId = Guid.NewGuid().ToString();
command.Id = Guid.NewGuid().ToString();
bool commandFailed = false;
var model = new ErrorModel { LinkAddress = "/elections/newelection" };
bus.PublishRequest(command,
configurator =>
{
configurator.Handle<CommandResponse>(
cmdResponse =>
{
if (cmdResponse.CommandStatus !=
CommandStatusEnum.Succeeded)
{
model.HasError = true;
model.ErrorMessage = cmdResponse.Message;
commandFailed = true;
}
});
configurator.HandleTimeout(TimeSpan.FromSeconds(30),
() =>
{
model.HasError = true;
model.ErrorMessage = "Your request timed out.";
commandFailed = true;
});
});
//m_commandDispatcher.Dispatch(command,
// cmdResponse =>
// {
// if (cmdResponse.CommandStatus !=
// CommandStatusEnum.Succeeded)
// {
// model.HasError = true;
// model.ErrorMessage = cmdResponse.Message;
// commandFailed = true;
// }
// },
// () =>
// {
// model.HasError = true;
// model.ErrorMessage = "Your request timed out.";
// commandFailed = true;
// });
if (commandFailed)
return View["/errorview", model];
return Response.AsRedirect("/elections"); //why cant i just return a View here? Why redirect?
};
Get["/terminate/{electionid}"] = parameters =>
{
var terminateCommand = new TerminateElection
{
ElectionId = parameters.electionid,
TerminationDate = DateTime.Now,
};
bool commandFailed = false;
var model = new ErrorModel{LinkAddress = "/elections"};
bus.PublishRequest(terminateCommand,
configurator =>
{
configurator.Handle<CommandResponse>(
cmdResponse =>
{
if (cmdResponse.CommandStatus != CommandStatusEnum.Succeeded)
{
model.HasError = true;
model.ErrorMessage = cmdResponse.Message;
commandFailed = true;
}
});
configurator.HandleTimeout(
TimeSpan.FromSeconds(30),
() =>
{
model.HasError = true;
model.ErrorMessage = "Your request timed out.";
commandFailed = true;
});
});
//m_commandDispatcher.Dispatch(terminateCommand,
// response =>
// {
// if (response.CommandStatus != CommandStatusEnum.Succeeded)
// {
// model.HasError = true;
// model.ErrorMessage = response.Message;
// commandFailed = true;
// }
// },
// () =>
// {
// model.HasError = true;
// model.ErrorMessage = "Your request timed out.";
// commandFailed = true;
// });
//return Response.AsRedirect("/elections");
if (commandFailed)
return View["/errorview", model];
return Response.AsRedirect("/elections"); //why cant i just return a View here? Why redirect?
};
}