/// <summary>
/// Basically the same as <seealso cref="Get"/> but more specially and it requires the instance of ScrapeHelper.
/// </summary>
/// <param name="uri">Uri to request</param>
/// <param name="id">Unique id per <seealso cref="ScrapeHelper"/> to keep track of it when the event fires</param>
/// <param name="arg">Object argument for the for the event</param>
/// <param name="api">Dataprovider Api which is used</param>
/// <remarks type="caution">Requires Refactoring</remarks>
public void CrawlString(String uri, int id, object arg, ITradingPostApi api)
{
if (String.IsNullOrEmpty(uri))
{
throw new ArgumentException("Uri must be not null or empty");
}
if (Finished != null) // it makes no sense to start without attached handlers
{
try
{
var sw = Stopwatch.StartNew();
String response = "";
int responseCode = 0;
try
{
PrepareScraper(_client); // setting headers and what not...
response = _client.DownloadString(uri);
}
catch (WebException ex)
{
HttpStatusCode code = (((HttpWebResponse)ex.Response).StatusCode);
responseCode = (int)code;
}
sw.Stop();
ScrapeFinishedEventArgs e = new ScrapeFinishedEventArgs(id, uri, response, arg)
{
ResponseCode = responseCode, TransactionType = this.TransactionType
};
e.Duration = sw.Elapsed;
if (Finished != null) // check again to be sure there was no dettaching in the processing time
{
Finished(this, e);
}
}
catch
{
}
}
}
void transactionScraper_Finished(object sender, ScrapeFinishedEventArgs e)
{
var result = new SearchResult(e.Value, e.Arg.ToString(), e.Uri, JsonResultType.Transactions, e.TransactionType);
for (int i = 0; i < Items.Count; i++)
{
for (int j = 0; j < result.Items.Count; j++)
{
if (Items[i].DataId == result.Items[j].DataId)
{
result.Items[j].Notify = Items[i].Notify;
}
}
}
MainWindowViewModel.Dispatcher.BeginInvoke(new Action(() =>
{
for (int i = 0; i < result.Items.Count; i++)
{
result.Items[i].IsExpanded = false;
var item = Items.FirstOrDefault(x => x.DataId == result.Items[i].DataId);
if (item == null)
{
Items.Add(result.Items[i]);
}
else
{
bool replace = false;
for (int j = 0; j < result.Items[i].Items.Count; j++)
{
//var innerItem = item.Items.FirstOrDefault(x => x.ListingId == result.Items[i].Items[j].ListingId);
int count = result.Items[i].Items.Sum(x => x.Quantity);
int oldCount = item.Items.Sum(x => x.Quantity);
if (count != oldCount)
{
// var child = result.Items[i].Items[j];
// item.Items.Add(child);
// item.GroupItem(child, item.Items);
replace = true;
}
}
if (replace)
{
result.Items[i].IsExpanded = item.IsExpanded;
result.Items[i].IsGroup = item.IsGroup;
result.Items[i].Notify = item.Notify; // Did i miss something ??
Items.Remove(item);
Items.Add(result.Items[i]);
}
}
}
for (int i = 0; i < Items.Count; i++)
{
HotItem item = Items[i];
var rs = result.Items.FirstOrDefault(x => x.ListingId == item.ListingId);
if (rs == null)
{
item.Notify = false;
Items.Remove(item);
i--;
}
}
}));
//Items = new ObservableCollection<HotItem>(result.Items);
if (HotItemController.Config.IsTransactionNotificationEnabled)
{
FindBoughtAndSoldItems(TransactionType, Items.ToList());
}
}
