public TradingViewModel(ViewModelContext viewModelContext,
AccountViewModel accountViewModel,
SymbolsViewModel symbolsViewModel,
TradePanelViewModel tradePanelViewModel,
IWpfExchangeService exchangeService,
IAccountsService accountsService,
IOrderBookHelperFactory orderBookHelperFactory,
ITradeHelperFactory tradeHelperFactory,
IChartHelper chartHelper)
: base(viewModelContext)
{
AccountViewModel = accountViewModel;
SymbolsViewModel = symbolsViewModel;
TradeViewModel = tradePanelViewModel;
this.exchangeService = exchangeService;
this.accountsService = accountsService;
this.orderBookHelperFactory = orderBookHelperFactory;
this.tradeHelperFactory = tradeHelperFactory;
this.chartHelper = chartHelper;
ObserveSymbols();
ObserveAccount();
ObserveTrade();
}
protected async override void OnPublished(object data)
{
if (isOpen)
{
return;
}
IsBusy = true;
if (Messages != null &&
Messages.Any())
{
ClearMessages();
}
accountViewModel.Dispatcher = ViewModelContext.UiDispatcher;
symbolsViewModel.Dispatcher = ViewModelContext.UiDispatcher;
tradeViewModel.Dispatcher = ViewModelContext.UiDispatcher;
ordersViewModel.Dispatcher = ViewModelContext.UiDispatcher;
Account = new Account(new Core.Model.AccountInfo {
User = new Core.Model.User()
});
try
{
userAccount = await accountsService.GetAccountAsync(Title);
var json = JsonConvert.SerializeObject(userAccount, Formatting.Indented);
Logger.Log(json, Category.Info, Priority.Medium);
}
catch (Exception ex)
{
TradingViewModelException(ex.ToString(), ex);
}
if (userAccount != null &&
userAccount.Preferences != null)
{
if (!string.IsNullOrWhiteSpace(userAccount.ApiKey))
{
Account.AccountName = userAccount.AccountName;
Account.ApiKey = userAccount.ApiKey;
Account.ApiSecret = userAccount.ApiSecret;
Account.ApiPassPhrase = userAccount.ApiPassPhrase;
Account.Exchange = userAccount.Exchange;
}
}
await Task.WhenAll(SymbolsViewModel.SetAccount(userAccount), AccountViewModel.Login(Account));
isOpen = true;
IsBusy = false;
}
protected override void OnDisposing()
{
if (disposed)
{
return;
}
symbolsObservableSubscription?.Dispose();
tradeObservableSubscription?.Dispose();
accountObservableSubscription.Dispose();
symbolObservableSubscription?.Dispose();
AccountViewModel.Dispose();
SymbolsViewModel?.Dispose();
TradeViewModel?.Dispose();
SymbolViewModel?.Dispose();
disposed = true;
}