public void Update(TodoItem item)
{
var todoItem = Find(item.ID);
var index = _todoList.IndexOf(todoItem);
_todoList.RemoveAt(index);
_todoList.Insert(index, item);
}
private void InitializeData()
{
_todoList = new List<TodoItem>();
var todoItem1 = new TodoItem
{
ID = "6bb8a868-dba1-4f1a-93b7-24ebce87e243",
Name = "Learn app development",
Notes = "Attend Xamarin University",
Done = true
};
var todoItem2 = new TodoItem
{
ID = "b94afb54-a1cb-4313-8af3-b7511551b33b",
Name = "Develop apps",
Notes = "Use Xamarin Studio/Visual Studio",
Done = false
};
var todoItem3 = new TodoItem
{
ID = "ecfa6f80-3671-4911-aabe-63cc442c1ecf",
Name = "Publish apps",
Notes = "All app stores",
Done = false,
};
_todoList.Add(todoItem1);
_todoList.Add(todoItem2);
_todoList.Add(todoItem3);
}
public void EditTodoItem(TodoItem item)
{
try
{
if (item == null ||
string.IsNullOrWhiteSpace(item.Name) ||
string.IsNullOrWhiteSpace(item.Notes))
{
throw new FaultException("TodoItem name and notes fields are required");
}
var todoItem = todoService.Find(item.ID);
if (todoItem != null)
{
todoService.UpdateData(item);
}
else
{
throw new FaultException("TodoItem not found");
}
}
catch (Exception ex)
{
throw new FaultException(string.Format("Error: {0}", ex.Message));
}
}
public void UpdateData(TodoItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
_repository.Update(item);
}
public void InsertData(TodoItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
_repository.Insert(item);
}
public void CreateTodoItem(TodoItem item)
{
try
{
if (item == null ||
string.IsNullOrWhiteSpace(item.Name) ||
string.IsNullOrWhiteSpace(item.Notes))
{
throw new FaultException("TodoItem name and notes fields are required");
}
// Determine if the ID already exists
var itemExists = todoService.DoesItemExist(item.ID);
if (itemExists)
{
throw new FaultException("TodoItem ID is in use");
}
todoService.InsertData(item);
}
catch (Exception ex)
{
throw new FaultException(string.Format("Error: {0}", ex.Message));
}
}
public void Insert(TodoItem item)
{
_todoList.Add(item);
}