public TradingViewModel(ViewModelContext viewModelContext,
AccountViewModel accountViewModel, SymbolsViewModel symbolsViewModel,
TradeViewModel tradeViewModel, OrdersViewModel ordersViewModel,
IWpfExchangeService exchangeService, IAccountsService accountsService,
IChartHelper chartHelper)
: base(viewModelContext)
{
AccountViewModel = accountViewModel;
SymbolsViewModel = symbolsViewModel;
TradeViewModel = tradeViewModel;
OrdersViewModel = ordersViewModel;
Symbols = new ObservableCollection <SymbolViewModel>();
symbolObservableSubscriptions = new Dictionary <string, IDisposable>();
this.exchangeService = exchangeService;
this.accountsService = accountsService;
this.chartHelper = chartHelper;
ObserveSymbols();
ObserveAccount();
ObserveTrade();
ObserveOrders();
CloseCommand = new ViewModelCommand(Close);
}
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 Interface.AccountInfo {
User = new Interface.User()
});
try
{
userAccount = await accountsService.GetAccount(Title);
var json = JsonConvert.SerializeObject(userAccount, Formatting.Indented);
Logger.Log(json, Category.Info, Priority.Medium);
}
catch (Exception ex)
{
TradeViewModelException(ex.ToString(), ex);
}
if (userAccount != null &&
userAccount.Preferences != null)
{
if (!string.IsNullOrWhiteSpace(userAccount.ApiKey))
{
Account.ApiKey = userAccount.ApiKey;
Account.ApiSecret = userAccount.ApiSecret;
}
}
SymbolsViewModel.SetAccount(userAccount);
AccountViewModel.SetAccount(account);
isOpen = true;
IsBusy = false;
}
protected override void OnDisposing()
{
if (disposed)
{
return;
}
if (AccountViewModel != null)
{
accountObservableSubscription.Dispose();
AccountViewModel.Dispose();
}
foreach (var subscription in symbolObservableSubscriptions.Values)
{
subscription.Dispose();
}
foreach (var symbol in Symbols)
{
symbol.Dispose();
}
if (SymbolsViewModel != null)
{
symbolsObservableSubscription.Dispose();
SymbolsViewModel.Dispose();
}
if (TradeViewModel != null)
{
tradeObservableSubscription.Dispose();
TradeViewModel.Dispose();
}
if (OrdersViewModel != null)
{
ordersObservableSubscription.Dispose();
OrdersViewModel.Dispose();
}
disposed = true;
}
