async void GetBidder()
{
bool changes = false;
List <BidHistoryItem> bidHistoryItems = new List <BidHistoryItem>();
foreach (var bidHistory in BidHistory.BidHistoryItems)
{
if (String.IsNullOrWhiteSpace(bidHistory.Bid.Bidder))
{
var bidder = await _dataService.GetBidder(bidHistory.Bid.DetailUrl, bidHistory.Bid.BidCount);
if (!String.IsNullOrWhiteSpace(bidder))
{
changes = true;
bidHistory.Bid.Bidder = bidder;
bidHistoryItems.Add(new BidHistoryItem {
Bid = bidHistory.Bid, DateTime = bidHistory.DateTime
});
}
}
}
if (changes)
{
_dataService.UpdateBidHistory(bidHistoryItems);
}
Bids = _dataService.GetCurrentBidsFromHistory();
App.Current.Dispatcher.Invoke((Action) delegate // <--- HERE
{
BidViewModel.SetBids(Bids);
BidHistory = _dataService.GetBidHistory();
ContentContainerViewModel.SetBidHistory(BidHistory);
});
}
public MainContentViewModel(IEventAggregator eg, IAuctionWebScraperFactory auctionWebScraperFactory)
{
EventAggregator = eg;
_auctionWebScraperFactory = auctionWebScraperFactory;
EventAggregator.GetEvent <AuctionNewResponeEvent>().Subscribe(NewBidResponse);
Bids = new ObservableCollection <Bid>();
_dataService = new DataService();
_dataService.Initialize();
Bids = _dataService.GetCurrentBidsFromHistory();
BidData = _dataService.GetBidData();
BidHistory = _dataService.GetBidHistory();
GetBidder();
LoadPictureUrl();
BidViewModel = new BidViewModel(Bids, BidData, BidHistory);
ContentContainerViewModel = new ContentContainerViewModel(BidViewModel, BidHistory);
ScrapeCommand = new ActionCommand(Scrape);
SaveBidDataCommand = new ActionCommand(SaveBidData);
SetTimer();
}
public ContentContainerViewModel(BidViewModel bidViewModel, BidHistory bidHistory)
{
BidViewModel = bidViewModel;
RecentActivity = new RecentBidActivityViewModel(bidHistory);
AddTabItem(BidViewModel);
AddTabItem(RecentActivity);
}
void NewBidResponse(List <Bid> bids)
{
var changes = _dataService.CheckForBidChanges(Bids.ToList(), bids);
if (changes)
{
Bids = _dataService.GetCurrentBidsFromHistory();
App.Current.Dispatcher.Invoke((Action) delegate // <--- HERE
{
BidViewModel.SetBids(Bids);
BidHistory = _dataService.GetBidHistory();
ContentContainerViewModel.SetBidHistory(BidHistory);
});
}
GetBidder();
}
