public async Task GetRaitings(CategoryEnum category)
{
if (initializedRait == true)
{
return;
}
IsBusy = true;
IEnumerable <Raiting> raitings = await quizService.GetRaiting();
while (Raitings.Any())
{
Raitings.RemoveAt(Quizzes.Count - 1);
}
// добавляем загруженные данные
foreach (Raiting raiting in raitings)
{
if (raiting.Category == category)
{
Raitings.Add(raiting);
}
}
List <Raiting> tmp = Raitings.ToList();
tmp.Sort((x, y) => x.Points.CompareTo(y.Points));
tmp.Reverse();
Raitings = new ObservableCollection <Raiting>(tmp);
IsBusy = false;
initializedRait = true;
}
public async Task SaveRaiting(object raitingObj)
{
Raiting raiting = raitingObj as Raiting;
if (raiting != null)
{
IsBusy = true;
// редактирование
if (raiting.Id > 0)
{
Raiting updateRaiting = await quizService.UpdateRaiting(raiting);
// заменяем объект в списке на новый
if (updateRaiting != null)
{
await GetAllRaitings();
int pos = raiting.Id - 1;
Raitings.RemoveAt(pos);
Raitings.Insert(pos, updateRaiting);
}
}
// добавление
else
{
Raiting addedRaiting = await quizService.AddRaiting(raiting);
if (addedRaiting != null)
{
Raitings.Add(addedRaiting);
}
}
IsBusy = false;
}
}