public void AddTask(int userStoryId, string taskTitle)
{
var userStory = _projectDAO.GetUserStoryById(userStoryId);
if (userStory.State == UserStoryState.RESOLVED)
{
throw new CheckedException("Cannot add task to a resolved user story.");
}
var task = new Task()
{
Title = taskTitle,
IsDone = false,
IsApproved = false
};
_projectDAO.AddTask(userStoryId, task);
}