private async void OnRefreshCommand(object obj)
{
if (IsLoading)
{
CancleHttpRequest();
}
else
{
IsLoading = true;
var result = await AnalysisBookCatalogList.GetCatalogList(CurrentBookEntity.CatalogListUrl, this.CurrentBookEntity.BookID, http = new SoDu.Core.Util.HttpHelper());
var list = result.Item1;
if (list != null && list.Count > 0)
{
this.CurrentBookEntity.CatalogList.Clear();
foreach (var item in list)
{
this.CurrentBookEntity.CatalogList.Add(item);
}
}
IsLoading = false;
}
}
private async void CheckUpdate()
{
if (IsChecking || IsLoading || IsUpdating)
{
return;
}
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
IsChecking = true;
});
if (this.LocalBookList.Count < 1)
{
return;
}
Task[] tasks = new Task[this.LocalBookList.Count];
try
{
int i = 0;
foreach (var item in LocalBookList)
{
tasks[i] = Task.Run(async() =>
{
try
{
if (!string.IsNullOrEmpty(item.CatalogListUrl))
{
var result = await AnalysisBookCatalogList.GetCatalogList(item.CatalogListUrl, item.BookID, new HttpHelper());
if (!IsChecking)
{
return;
}
if (result.Item1 != null)
{
var list = result.Item1;
var last = DBBookCatalog.SelectBookCatalogs(AppDataPath.GetBookDBPath(item.BookID), item.BookID);
var undownLoad = list.FindAll(p => last?.FirstOrDefault(m => m.CatalogUrl == p.CatalogUrl) == null);
if (undownLoad != null && undownLoad.Count > 0)
{
item.UnDownloadCatalogList = new ObservableCollection <BookCatalog>();
undownLoad.ForEach(p => item.UnDownloadCatalogList.Add(p));
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
item.UnReadCountData = " " + undownLoad.Count.ToString();
});
}
else
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
item.UnReadCountData = "";
});
}
}
}
}
catch (Exception)
{
}
});
i++;
}
await Task.Factory.ContinueWhenAll(tasks, (obj) =>
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
IsChecking = false;
});
});
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
IsChecking = false;
});
}
}