public async Task<Folder> AddFolderAsync()
{
Folder newFolder = null;
bool isOk = await RunFunctionIfOpenAsyncTB(async delegate
{
newFolder = new Folder(_dbManager, RuntimeData.GetText("NewFolder"), DateTime.Now);
// folder.ParentId = Id; // folders may not have ParentId because they can be exported or imported
if (await _dbManager.InsertIntoFoldersAsync(newFolder))
{
// Add the same categories as the last folder, which was added.
// This is an automatism to streamline usage, it has no special reason to be.
await newFolder.OpenAsync().ConfigureAwait(false);
Folder lastAddedFolder = null;
if (_folders.Any())
{
var maxCreateDate = _folders.Max(fol => fol.DateCreated);
if (maxCreateDate != default(DateTime))
{
lastAddedFolder = _folders.FirstOrDefault(fol => fol.DateCreated == maxCreateDate);
}
}
if (lastAddedFolder != null)
{
foreach (var cat in lastAddedFolder.DynamicCategories)
{
await newFolder.AddDynamicCategoryAsync(cat?.CategoryId).ConfigureAwait(false);
}
}
await RunInUiThreadAsync(() => _folders.Add(newFolder)).ConfigureAwait(false);
return true;
}
return false;
});
if (isOk) return newFolder; else return null;
}
private async Task<bool> RemoveFolder2Async(Folder folder)
{
if (folder == null) return false;
if (await _dbManager.DeleteFromFoldersAsync(folder))
{
if (folder.Id == _currentFolderId)
{
int previousFolderIndex = Math.Max(0, _folders.IndexOf(folder) - 1);
CurrentFolderId = _folders.Count > previousFolderIndex ? _folders[previousFolderIndex].Id : DEFAULT_ID;
await UpdateCurrentFolder2Async(false);
}
await RunInUiThreadAsync(delegate { _folders.Remove(folder); }).ConfigureAwait(false);
await folder.OpenAsync().ConfigureAwait(false);
await folder.RemoveWalletsAsync().ConfigureAwait(false);
await folder.CloseAsync().ConfigureAwait(false);
folder.Dispose();
return true;
}
Debugger.Break(); // LOLLO this must never happen, check it
await Logger.AddAsync("Attempting to remove folder, the db operation failed", Logger.FileErrorLogFilename).ConfigureAwait(false);
return false;
}
private async Task UpdateCurrentFolder2Async(bool openTheFolder)
{
if (_folders == null) return;
_currentFolder = string.IsNullOrEmpty(_currentFolderId) ? null : _folders.FirstOrDefault(fo => fo.Id == _currentFolderId);
if (_currentFolder != null && openTheFolder)
{
await _currentFolder.OpenAsync().ConfigureAwait(false);
}
RaisePropertyChanged_UI(nameof(CurrentFolder)); // notify the UI once the data has been loaded
}
