private async Task CreateOneDriveAsync()
{
var userAccount = authProvider.CurrentUserAccount;
if (TreeItemVMs.Any(vm => vm.Item.Name == userAccount.Username))
{
MessageBox.Show("User has already signed in.");
return;
}
var user = await graphManager.GetMeAsync().ConfigureAwait(true);
if (user == null)
{
return;
}
if (authProvider.UserIdAccountRegistry.ContainsKey(user.Id))
{
MessageBox.Show("User has already signed in.");
return;
}
var root = await graphManager.GetDriveRootAsync().ConfigureAwait(true);
if (root == null)
{
return;
}
authProvider.UserIdAccountRegistry.Add(user.Id, userAccount);
var item = OneDriveItemFactory.CreateRoot(root, user);
TreeItemVMs.Add(new ItemVM(item));
CurrentItemVMs.Add(new ItemVM(item));
}
public async Task LogoutOneDriveAsync()
{
SpinnerVisibility = Visibility.Visible;
var treeVM = TreeItemVMs.First(vm => vm.Item.Type == ItemTypes.OneDrive);
var item = treeVM.Item as OneDriveItem;
if (await authProvider.LogoutAsync(item.UserId).ConfigureAwait(true))
{
TreeItemVMs.Remove(treeVM);
CurrentItemVMs.Remove(CurrentItemVMs.FirstOrDefault(vm => vm == treeVM));
}
SpinnerVisibility = Visibility.Collapsed;
}
/// <summary>
/// Attach all local drives to <see cref="TreeItemVMs"/>. This method should be called at the startup of application.
/// </summary>
public void GetLocalDrives()
{
string[] drivePaths = null;
try {
drivePaths = Directory.GetLogicalDrives();
} catch (UnauthorizedAccessException ex) {
MessageBox.Show(ex.Message);
}
foreach (var drivePath in drivePaths)
{
var item = LocalItemFactory.Create(drivePath);
TreeItemVMs.Add(new ItemVM(item));
CurrentItemVMs.Add(new ItemVM(item));
}
}
public async Task TreeItem_SelectedAsync(object sender, RoutedEventArgs e = null)
{
var vm = (sender as ItemVM) ??
(sender as TreeViewItem).DataContext as ItemVM ??
throw new ArgumentException("invalid sender");
if (e != null)
{
e.Handled = true; // avoid recursive calls of treeViewItem.select
}
// update list box items
await vm.SetIsExpandedAsync(true).ConfigureAwait(true); // in case there's no items as it hasn't been expanded
CurrentItemVMs.Clear();
foreach (var itemVM in vm.Children)
{
CurrentItemVMs.Add(new ItemVM(itemVM.Item));
}
}
/// <summary>
/// Reset <see cref="TreeItemVMs"/> and <see cref="CurrentItemVMs"/>.
/// </summary>
public void Reset()
{
TreeItemVMs.Clear();
CurrentItemVMs.Clear();
}
