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;
}
