static int ItemIDStateReducer(int state, object action)
{
if (action is AddItemAction)
{
AddItemAction addAction = (AddItemAction)action;
state++;
cacheItems.Add(new Item(state, addAction.item, false));
}
if (action is LoadedItemsAction)
{
LoadedItemsAction _action = (LoadedItemsAction)action;
state = _action.nextId;
}
return(state);
}
static IList <Item> ItemsStateReducer(IList <Item> state, object action)
{
if (action is RemoveItemAction)
{
RemoveItemAction _action = (RemoveItemAction)action;
cacheItems.Remove(_action.item);
return(new ReadOnlyCollection <Item>(cacheItems));
}
if (action is RemoveItemsAction)
{
cacheItems.Clear();
return(new ReadOnlyCollection <Item>(cacheItems));
}
if (action is LoadedItemsAction)
{
cacheItems.Clear();
LoadedItemsAction _action = (LoadedItemsAction)action;
cacheItems.AddRange(_action.items);
return(new ReadOnlyCollection <Item>(cacheItems));
}
if (action is ItemCompletedAction)
{
ItemCompletedAction _action = (ItemCompletedAction)action;
for (var i = 0; i < cacheItems.Count; i++)
{
if (cacheItems[i].id == _action.item.id)
{
Item item = cacheItems[i];
cacheItems[i] = new Item(item.id, item.body, !item.completed);
break;
}
}
return(new ReadOnlyCollection <Item>(cacheItems));
}
return(state);
}
