/// <summary>
/// Loads quote summaries for the subscription
/// </summary>
public async void LoadQuoteSummariesAsync()
{
BusyMessage = Resources.LoadingQuoteSummariesMessage;
// get the data service url
var url = new Uri(ConfigurationManager.AppSettings["DataServiceUrl"]);
// create repository
var repository = new MarketDataRepository(url);
// build url to query
var queryUrl = string.Format("GetQuoteSummaries?subscriptionId={0}", Subscription.ID);
// get quote summaries
var quoteSummaries =
await Task.Factory.StartNew(() =>
repository.Execute<SubscriptionQuoteSummary>(new Uri(queryUrl, UriKind.Relative), "GET", false));
// set quote summaries
Application.Current.Dispatcher.Invoke(() =>
{
// set quote summaries
QuoteSummaries = new ObservableCollection<SubscriptionQuoteSummary>(quoteSummaries);
// clear busy message
BusyMessage = null;
});
}
/// <summary>
/// Asynchronously loads subscriptions
/// </summary>
public async void LoadAsync()
{
// set busy message
BusyMessage = Resources.LoadingSubscriptionsMessage;
// get the data service url
var url = new Uri(ConfigurationManager.AppSettings["DataServiceUrl"]);
// create repository
var repository = new MarketDataRepository(url);
// create collection into which to load data
IEnumerable<DataProvider> dataProviders = null;
IEnumerable<StockListProvider> stockListProviders = null;
IEnumerable<Subscription> subscriptions = null;
// load data async
await Task.Factory.StartNew(() =>
{
dataProviders = repository.DataProviders.Execute();
stockListProviders = repository.StockListProviders.Execute();
subscriptions = repository.Subscriptions.Expand("DataProvider, StockListProvider").Execute();
});
Application.Current.Dispatcher.Invoke(() =>
{
// set subscriptions
DataProviders = new ObservableCollection<DataProvider>(dataProviders);
StockListProviders = new ObservableCollection<StockListProvider>(stockListProviders);
Subscriptions = new ObservableCollection<SubscriptionViewModel>(subscriptions.Select(s => new SubscriptionViewModel(s)));
// clear busy message
BusyMessage = string.Empty;
});
}
