private void OnDeleteCommand(object obj)
{
if (IsLoading)
{
ToastHelper.ShowMessage("加载中，请稍后");
return;
}
var localItem = obj as LocalBookItemViewModel;
if (localItem == null)
{
return;
}
IsLoading = true;
Task.Run(() =>
{
var reslut = DbLocalBook.DeleteBook(AppDataPath.GetLocalBookDbPath(),
localItem.CurrentBook.BookId);
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
if (!reslut)
{
ToastHelper.ShowMessage($"{localItem.CurrentBook.BookName}删除失败，请重试", false);
return;
}
localItem.IsDeleted = true;
LocalBooks.Remove(localItem);
IsLoading = false;
});
});
}
public void InserOrUpdateBook(Book book)
{
if (book == null)
{
return;
}
var temp = LocalBooks.FirstOrDefault(p => p.CurrentBook.BookId == book.BookId);
DbLocalBook.InsertOrUpdatBook(AppDataPath.GetLocalBookDbPath(), book);
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
if (temp != null)
{
LocalBooks.Remove(temp);
}
LocalBooks.Insert(0, new LocalBookItemViewModel(book));
});
if (!IsInit)
{
GetLocalBookFromDb();
}
}