private Task<AccountPhoneMark[]> DeleteTask(AccountPhoneMark[] items)
{
var startTask = Task.Factory.StartNew(() =>
{
IsBusy = true;
}, GetCancellationToken(), TaskCreationOptions.None, TaskScheduler.FromCurrentSynchronizationContext());
var clientTask = startTask.ContinueWith((t) =>
{
var client = new RoyaltyServiceWorker.AccountService.AccountServiceClient();
try
{
return client.RemoveAccountPhoneMarkRange(items.Select(i => i.Id).ToList());
}
finally
{
try { client.Close(); } catch { }
}
}, GetCancellationToken(), TaskContinuationOptions.AttachedToParent, TaskScheduler.Default);
var taskRes = clientTask.ContinueWith((res) =>
{
try
{
if (res.Result.Error != null)
throw new Exception(res.Result.Error);
return items
.Where(i => !res.Result.Values.Contains(i.Id))
.ToArray();
}
catch (Exception ex)
{
Error = ex.ToString();
return items;
}
finally
{
IsBusy = false;
}
}, GetCancellationToken(), TaskContinuationOptions.AttachedToParent, TaskScheduler.FromCurrentSynchronizationContext());
return taskRes;
}
