static IEnumerable<ViewListItemData> GetItemDataList(TsinghuaCourseInfo helper)
{
var newItems = helper.GetNewItems();
var newfiles = newItems.Select(e => e as CourseFileInfo)
.Where(e => e != null)
.ToArray();
var itemOnShow = new List<ViewListItemData>();
var normalItems = newItems
.Where(e => !(e is CourseFileInfo))
.Select(e => new ViewListItemData_Normal(e))
.Cast<ViewListItemData>();
itemOnShow.AddRange(normalItems);
var fileListItems = newfiles
.GroupBy(e => e.Course)
.Select(g => g.ToArray())
.Select(e => new ViewListItemData_FileList(e))
.Cast<ViewListItemData>();
itemOnShow.AddRange(fileListItems);
itemOnShow.Sort();
return itemOnShow;
}
List<ViewListItemData> GetItemDataList(TsinghuaCourseInfo helper)
{
var newItems = helper.GetNewItems();
var itemOnShow = new List<ViewListItemData>();
foreach (var item in newItems)
{
itemOnShow.Add(new ViewListItemData_Normal(item));
}
itemOnShow.Sort();
return itemOnShow;
}