private void ModifyToDoList(ToDoList list)
{
var toDoList = FindToDoList(list.ToDoListId);
toDoList.Title = list.Title;
toDoList.UserId = list.UserId;
}
private void AddToDoList(ToDoList list)
{
if (list.ToDoListId <= 0) {
list.ToDoListId = AddMapping(typeof(ToDoList), list.ToDoListId);
}
ToDoLists.Add(list);
}
private void DeleteToDoList(ToDoList list)
{
var toDoList = FindToDoList(list.ToDoListId);
ToDoLists.Remove(toDoList);
}
public void PopulateWithSampleData()
{
var newList = new ToDoList();
newList.Title = "Before work";
newList.UserId = FakeUserName;
AddToDoList(newList);
var listId = newList.ToDoListId;
var newItem = new ToDoItem() { ToDoListId = listId, Title ="Make coffee", IsDone = false };
AddToDoItem(newItem);
newItem = new ToDoItem() { ToDoListId = listId, Title = "Turn heater off", IsDone = false };
AddToDoItem(newItem);
}
private void WriteToFile(ToDoList toDoList)
{
using (var sw = new StreamWriter(__baseFileName + toDoList.ToDoListId.ToString() + ".json")) {
using (var writer = new JsonTextWriter(sw)) {
__jsonSerializer.Serialize(writer, toDoList);
}
}
}
// We want a thead safe copy during serialization and write to file.
private ToDoList CloneToDoList(ToDoList toDoList)
{
var clone = new ToDoList() {
ToDoListId = toDoList.ToDoListId,
Title = toDoList.Title,
};
foreach (var item in toDoList.ToDos) {
clone.AddItem(new ToDoItem() {
ToDoItemId = item.ToDoItemId,
IsDone = item.IsDone,
Title = item.Title,
});
}
return clone;
}
public void Update(ToDoList list, EntityState es)
{
if (list == null) return;
if (es == EntityState.Deleted) {
_pendingDeletes.Add(list.ToDoListId);
} else {
_pendingSaves.Add(list);
}
}
private bool BeforeSaveToDoList(ToDoList todoList, EntityInfo info)
{
if (info.EntityState == EntityState.Added) {
todoList.UserId = UserId;
return true;
}
return UserId == todoList.UserId || throwCannotSaveEntityForThisUser();
}
