public async Task <BodyResponse <MoneyMqResponse> > Handle(AddMoneyCommand request,
CancellationToken cancellationToken)
{
using (var locker = _redis.Locker(KeyGenHelper.GenUserKey(request.Id,
MoneyInfo.ClassName)))
{
await locker.LockAsync();
Log.Debug($"AddMoneyCommand add begin:{request.AddCoins},{request.AddCarry} {request.AggregateId}");
var moneyInfo = await _redis.GetMoney(request.Id);
if (moneyInfo == null)
{
moneyInfo = await _moneyRepository.FindAndAdd(request.Id,
new MoneyInfo(request.Id, 0, 0, 0, 0, 0));
}
if (request.AddCoins < 0 &&
System.Math.Abs(request.AddCoins) >
moneyInfo.CurCoins)
{
Log.Debug($"AddMoneyCommand add end:{request.AddCoins},{request.AddCarry} {request.AggregateId}--1");
return(new BodyResponse <MoneyMqResponse>
(StatusCodeDefines.NoEnoughMoney, null, null));
}
if (request.AddCarry < 0 &&
System.Math.Abs(request.AddCarry) > moneyInfo.Carry)
{
Log.Debug($"AddMoneyCommand add end:{request.AddCoins},{request.AddCarry} {request.AggregateId}--2");
return(new BodyResponse <MoneyMqResponse>
(StatusCodeDefines.NoEnoughMoney, null, null));
}
moneyInfo.AddCoins(request.AddCoins);
moneyInfo.AddCarry(request.AddCarry);
moneyInfo.UpdateMaxCoins();
long coinsChangedCount = request.AddCoins + request.AddCarry;
var moneyevent = new MoneyChangedMqEvent
(moneyInfo.Id, moneyInfo.CurCoins,
moneyInfo.CurDiamonds, moneyInfo.MaxCoins,
moneyInfo.MaxDiamonds, coinsChangedCount, 0);
_busCtl.PublishExt(moneyevent);
_busCtl.PublishServerReqExt(moneyInfo.Id, moneyevent);
await Task.WhenAll(_redis.SetMoney(request.Id, moneyInfo),
_moneyRepository.ReplaceAsync(moneyInfo));
Log.Debug($"AddMoneyCommand add end:{request.AddCoins},{request.AddCarry} {request.AggregateId} curCoins:{moneyInfo.CurCoins} curCarry:{moneyInfo.Carry}--3");
return(new BodyResponse <MoneyMqResponse>(StatusCodeDefines.Success, null,
new MoneyMqResponse(request.Id, moneyInfo.CurCoins, moneyInfo.CurDiamonds,
moneyInfo.MaxCoins, moneyInfo.MaxDiamonds, moneyInfo.Carry)));
}
}
private void InitializeCommands()
{
// Ambivalent about newing these commands up here.
// On the one hand I feel like I should be using DI
// and on the other hand they're so closely linked
// they'll never be in a separate repo
ICommand acceptCommand = new AcceptCurrentWorkingCoffeeCommand();
ICommand addMoneyCommand = new AddMoneyCommand();
ICommand showOrderCommand = new ShowOrderCommand();
ICommand setSizeCommand = new SetSizeCommand();
ICommand setCreamCommand = new SetCreamCommand();
ICommand setSugarCommand = new SetSugarCommand();
ICommand incrementCreamCommand = new IncrementCreamCommand();
ICommand incrementSugarCommand = new IncrementSugarCommand();
ICommand decrementCreamCommand = new DecrementCreamCommand();
ICommand decrementSugarCommand = new DecrementSugarCommand();
ICommand selectSmallCommand = new SelectSmallCommand();
ICommand selectMediumCommand = new SelectMediumCommand();
ICommand selectLargeCommand = new SelectLargeCommand();
ICommand showCurrentWorkingCoffee = new ShowCurrentWorkingCoffeeCommand();
ICommand completeTransactionCommand = new CompleteTransactionCommand();
commands.Add(ADD_PAYMENT, addMoneyCommand);
commands.Add(ACCEPT_CURRENT_WORKING_COFFEE, acceptCommand);
commands.Add(SHOW_CURRENT_ORDER_AND_TOTAL, showOrderCommand);
commands.Add(SET_SIZE, setSizeCommand);
commands.Add(SET_CREAM, setCreamCommand);
commands.Add(SET_SUGAR, setSugarCommand);
commands.Add(SELECT_SMALL_COFFEE, selectSmallCommand);
commands.Add(SELECT_MEDIUM_COFFEE, selectMediumCommand);
commands.Add(SELECT_LARGE_COFFEE, selectLargeCommand);
commands.Add(INCREMENT_CREAM, incrementCreamCommand);
commands.Add(INCREMENT_SUGAR, incrementSugarCommand);
commands.Add(DECREMENT_CREAM, decrementCreamCommand);
commands.Add(DECREMENT_SUGAR, decrementSugarCommand);
commands.Add(SHOW_CURRENT_WORKING_COFFEE, showCurrentWorkingCoffee);
commands.Add(DISPENSE_ORDER_AND_CHANGE, completeTransactionCommand);
}
public IMoney Add(IBank bank, IMoney augend, IMoney addend)
{
var newAdd = new AddMoneyCommand(augend);
return(this.Do(newAdd, bank, addend));
}
public ICommand BuildCommand()
{
ICommand result = new AddMoneyCommand();
return(result);
}
