Task IEventHandler <CurrencyExchangeRateSet> .HandleAsync(CurrencyExchangeRateSet payload)
{
UserModel userModel = GetUserModel(payload.UserKey);
userModel.ExchangeRateHashCodes.Add(payload.GetHashCode());
return(Task.CompletedTask);
}
Task IEventHandler <CurrencyExchangeRateSet> .HandleAsync(CurrencyExchangeRateSet payload)
{
List <ExchangeRateModel> exchangeRates = currencies[payload.TargetUniqueCode];
exchangeRates.Add(new ExchangeRateModel(payload.SourceUniqueCode, payload.Rate, payload.ValidFrom));
exchangeRates.Sort(exchangeRateComparer);
return(Task.CompletedTask);
}
async Task IEventHandler <CurrencyExchangeRateSet> .HandleAsync(CurrencyExchangeRateSet payload)
{
await EnsureUserStorageAsync(payload.UserKey);
List <ExchangeRateModel> exchangeRates = storage[payload.UserKey].Currencies[payload.TargetUniqueCode];
exchangeRates.Add(new ExchangeRateModel(payload.SourceUniqueCode, payload.Rate, payload.ValidFrom));
exchangeRates.Sort(exchangeRateComparer);
}
async Task IEventHandler <CurrencyExchangeRateSet> .HandleAsync(CurrencyExchangeRateSet payload)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
CurrencyEditViewModel viewModel = ViewModel.Items.FirstOrDefault(c => c.UniqueCode == payload.TargetUniqueCode);
if (viewModel != null)
{
viewModel.ExchangeRates.Add(new ExchangeRateModel(
payload.SourceUniqueCode,
payload.Rate,
payload.ValidFrom
));
viewModel.ExchangeRates.SortDescending(r => r.ValidFrom);
}
});
}
public async Task HandleAsync(CurrencyExchangeRateSet payload)
{
using (ReadModelContext db = readModelContextFactory.Create())
{
await db.ExchangeRates.AddAsync(
new CurrencyExchangeRateEntity()
{
TargetCurrency = payload.TargetUniqueCode,
SourceCurrency = payload.SourceUniqueCode,
Rate = payload.Rate,
ValidFrom = payload.ValidFrom
}.SetUserKey(payload.UserKey)
);
await db.SaveChangesAsync();
}
}
public void SetExchangeRate(IKey userKey, string sourceUniqueCode, string targetUniqueCode, DateTime validFrom, double rate)
{
Ensure.NotNullOrEmpty(sourceUniqueCode, "sourceUniqueCode");
Ensure.NotNullOrEmpty(targetUniqueCode, "targetUniqueCode");
EnsureExists(userKey, sourceUniqueCode);
EnsureExists(userKey, targetUniqueCode);
Ensure.Positive(rate, "rate");
UserModel userModel = GetUserModel(userKey);
CurrencyExchangeRateSet payload = new CurrencyExchangeRateSet(sourceUniqueCode, targetUniqueCode, validFrom, rate)
{
UserKey = userKey
};
if (userModel.ExchangeRateHashCodes.Contains(payload.GetHashCode()))
{
throw new CurrencyExchangeRateAlreadyExistsException();
}
Publish(payload);
}
Task IEventHandler <CurrencyExchangeRateSet> .HandleAsync(CurrencyExchangeRateSet payload) => RaiseEvent(payload);
