private async void OnUpdateCommand()
{
var reslut = LocalBookList.FirstOrDefault(p => !string.IsNullOrEmpty(p.UnReadCountData));
if (reslut != null)
{
ToastHeplper.ShowMessage("开始更新。");
}
else
{
ToastHeplper.ShowMessage("无更新，请稍后再试。");
IsUpdating = false;
return;
}
IsUpdating = true;
Task[] tasks = new Task[LocalBookList.Count];
for (int j = 0; j < LocalBookList.Count; j++)
{
var item = LocalBookList[j];
tasks[j] = Task.Run((Action)(async() =>
{
try
{
if (item.UnDownloadCatalogList == null || item.UnDownloadCatalogList.Count == 0)
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
item.UnReadCountData = "";
});
return;
}
var list = new List <BookCatalog>();
item.UnDownloadCatalogList.ToList().ForEach(p => list.Add(p));
for (int i = 0; i < list.Count; i++)
{
if (!IsUpdating)
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
item.UnReadCountData = " " + item.UnDownloadCatalogList.Count.ToString();
});
break;
}
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
item.UnReadCountData = "正在更新(" + "剩余" + (list.Count - i).ToString() + ")";
});
string html = await AnalysisContentService.GetHtmlContent(new HttpHelper(), list[i].CatalogUrl);
if (!string.IsNullOrEmpty(html))
{
BookCatalogContent content = new BookCatalogContent()
{
BookID = item.BookID,
CatalogUrl = list[i].CatalogUrl,
Content = html
};
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
item.NewestChapterName = list[i].CatalogName;
item.NewestChapterUrl = list[i].CatalogUrl;
item.UpdateTime = DateTime.Now.ToString();
if (item.CatalogList == null)
{
item.CatalogList = new ObservableCollection <BookCatalog>();
}
item.CatalogList.Add(list[i]);
item.UnDownloadCatalogList.Remove(list[i]);
if (i == list.Count - 1)
{
item.UnReadCountData = null;
}
});
lock (obj)
{
DBBookCatalog.InsertOrUpdateBookCatalog(AppDataPath.GetBookDBPath(item.BookID), list[i]);
DBBookCatalogContent.InsertOrUpdateBookCatalogContent(AppDataPath.GetBookDBPath(item.BookID), content);
DBLocalBook.InsertOrUpdateBookEntity(AppDataPath.GetLocalBookDBPath(), item);
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}));
}
await Task.Factory.ContinueWhenAll(tasks, completedTasks =>
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
IsUpdating = false;
});
});
}
public void StartNewCommonDownLoadInstance(DowmLoadEntity temp)
{
bool result = false;
IsDownLoading = true;
temp.IsFast = false;
Task task = Task.Run(async() =>
{
try
{
int startIndex = 0;
//适用于暂停然后重新开始
if (temp.CurrentCatalog != null)
{
if (temp.Entity.CatalogList != null && temp.Entity.CatalogList.Count > 0)
{
var catalog = temp.Entity.CatalogList.FirstOrDefault(p => p.CatalogUrl == temp.CurrentCatalog.CatalogUrl);
if (catalog != null)
{
startIndex = temp.Entity.CatalogList.IndexOf(catalog);
}
}
}
BookEntity entity = temp.Entity;
int count = temp.Entity.CatalogList.Count;
HttpHelper http = new HttpHelper();
for (int i = startIndex; i < count; i++)
{
if (temp.IsPause)
{
// break;
return;
}
try
{
var item = temp.Entity.CatalogList[i];
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
temp.CurrentCatalog = item;
temp.CurrentIndex = i + 1;
temp.ProgressValue = Math.Round(((double)item.Index / (double)temp.Entity.CatalogList.Count), 3) * 100;
});
string html = await GetHtmlData(item.CatalogUrl, http);
BookCatalogContent content = new BookCatalogContent()
{
BookID = item.BookID,
CatalogUrl = item.CatalogUrl,
Content = html
};
lock (isAdd1)
{
if (!string.IsNullOrEmpty(item.CatalogUrl))
{
DBBookCatalog.InsertOrUpdateBookCatalog(AppDataPath.GetBookDBPath(temp.Entity.BookID), item);
}
if (!string.IsNullOrEmpty(content.CatalogUrl))
{
DBBookCatalogContent.InsertOrUpdateBookCatalogContent(AppDataPath.GetBookDBPath(temp.Entity.BookID), content);
}
}
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
temp.Entity.NewestChapterName = item.CatalogName;
temp.Entity.NewestChapterUrl = item.CatalogUrl;
});
}
catch (Exception)
{
continue;
}
}
result = true;
}
catch (Exception)
{
result = false;
}
finally
{
if (result)
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
lock (isAdd2)
{
temp.Entity.LastReadChapterName = null;
temp.Entity.LastReadChapterUrl = null;
DBLocalBook.InsertOrUpdateBookEntity(AppDataPath.GetLocalBookDBPath(), temp.Entity);
}
this.DownLoadList.Remove(temp);
if (this.DownLoadList.Count == 0)
{
this.IsDownLoading = false;
}
temp.Entity.IsLocal = true;
ViewModelInstance.Instance.LocalBookPage.LocalBookList.Add(temp.Entity);
ToastHeplper.ShowMessage(temp.Entity.BookName + "下载完毕，点击“本地图书”查看");
});
}
else
{
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
if (!temp.IsPause)
{
this.DownLoadList.Remove(temp);
ToastHeplper.ShowMessage(temp.Entity.BookName + "下载失败");
}
else
{
// Services.ToastHeplper.ShowMessage(temp.Entity.BookName + "下载已暂停");
}
});
}
}
});
}