//Remove an item from List-if a task no needed
public void RemoveItem(ToDoListItem toDoListItem)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
items.Remove(toDoListItem);
}
//Delete finished task from list-permanently
public void Delete(ToDoListItem toDoListItem)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
tasks.Remove(toDoListItem);
}
//Add item to completed item list
public void AddToCompleted(ToDoListItem toDoListItem)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
if (toDoListItem.IsCompleted == true)
{
tasks.Add(toDoListItem);
}
}
//add an repeating or reoccuring task to list
public void AddReOccuringTask(ToDoListItem toDoListItem, RepeatingTask repeatingTask)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
if (repeatingTask.IsReOccuring == true)
{
items.Add(toDoListItem);// #@ this can be merge with add item of to do list
}
}
//Mark a completed item as not finished
public void MarkAsInComplete(ToDoListItem toDoListItem)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
if (toDoListItem.IsCompleted == false)
{
tasks.Remove(toDoListItem); //remove item from completed list -if it is unfinish
ToDoList toDoList = new ToDoList();
toDoList.AddItem(toDoListItem); //add that item to todo list again as unfinish task-if a task marked as completed and possible mark as incompleted
}
}
//add an repeating task as completed
public void RepeatCompleted(ToDoListItem toDoListItem, RepeatingTask repeatingTask)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
if (toDoListItem.IsCompleted == true)
{
tasks.Add(toDoListItem);
}
if (repeatingTask.EndTime <= DateTime.Now)
{
tasks.Remove(toDoListItem); //task remove from completed
ToDoList toDoList = new ToDoList();
toDoList.AddItem(toDoListItem); //added to todo list again for next routine
}
}
//Add a task as Completed Task which has sub tasks
public void CompleteSubTask(ToDoListItem toDoListItem, SubTaskToDoList subTaskTo)
{
if (toDoListItem is null)
{
throw new ArgumentNullException(nameof(toDoListItem));
}
if (toDoListItem.IsCompleted == true & subTaskTo.HasSubTask == false)
{
tasks.Add(toDoListItem);
}
if (subTaskTo.HasSubTask == true)
{
foreach (var item in subTaskTo.GetAllSubTasks())
{
if (item.IsCompleted == true)
{
tasks.Add(subTaskTo);//if every sub task items completed only main task consider as completed task
}
}
}
}