private IList <T> SortData <T>(IEnumerable <T> source, WorkTask workTask = null)
where T : IModelWithPersonalId
{
if (source == null)
{
return(null);
}
bool removeTaskAfterCompleted = false;
if (workTask == null)
{
workTask = new("Обработка");
this.workTasksProgressViewModel.WorkTasks.Add(workTask);
workTask.StartProcessing();
removeTaskAfterCompleted = true;
}
workTask.Status = "Сортировка данных";
workTask.IsIndeterminate = true;
List <T> result = source.Where(i => i != null).OrderBy(i => i.Лицевой).ToList();
workTask.IsCompleted = true;
if (removeTaskAfterCompleted)
{
this.workTasksProgressViewModel.WorkTasks.Remove(workTask);
}
return(result);
}