public void LocalRefresh()
{
if(App.CurrentAthlete == null)
return;
var comparer = new LeagueComparer();
var toJoin = DataManager.Instance.Leagues.Where(k => !App.CurrentAthlete.Memberships.Select(m => m.LeagueId).Contains(k.Key))
.Select(k => k.Value).ToList();
var toRemove = Leagues.Where(vm => vm.League != null).Select(vm => vm.League).Except(toJoin, comparer).ToList();
var toAdd = toJoin.Except(Leagues.Select(vm => vm.League), comparer).OrderBy(r => r.Name).Select(l => new LeagueViewModel {
LeagueId = l.Id
}).ToList();
toRemove.ForEach(l => Leagues.Remove(Leagues.Single(vm => vm.League == l)));
if(Leagues.Count == 0 && toAdd.Count == 0)
{
if(_empty == null)
_empty = new LeagueViewModel {
EmptyMessage = "There are no available leagues to join."
};
if(!Leagues.Contains(_empty))
Leagues.Add(_empty);
}
var compare = new LeagueSortComparer();
foreach(var lv in toAdd)
{
int index = 0;
foreach(var l in Leagues.ToList())
{
if(compare.Compare(lv, l) < 0)
break;
index++;
}
Leagues.Insert(index, lv);
}
if(toAdd.Count > 0 || toRemove.Count > 0)
{
var last = Leagues.LastOrDefault();
foreach(var l in Leagues)
l.IsLast = l == last;
}
if(Leagues.Count > 0 && Leagues.Contains(_empty) && Leagues.First() != _empty)
{
Leagues.Remove(_empty);
}
}
public void LocalRefresh()
{
if(Athlete == null)
return;
if(Leagues == null)
Leagues = new ObservableCollection<LeagueViewModel>();
var comparer = new LeagueIdComparer();
var toRemove = Leagues.Where(vm => vm.League != null).Select(vm => vm.League).Except(Athlete.Leagues, comparer).ToList();
var toAdd = Athlete.Leagues.Except(Leagues.Select(vm => vm.League), comparer).OrderBy(r => r.Name).Select(l => new LeagueViewModel {
LeagueId = l.Id
}).ToList();
toRemove.ForEach(l => Leagues.Remove(Leagues.Single(vm => vm.League == l)));
foreach(var l in Leagues)
l.NotifyPropertiesChanged();
if(Leagues.Count == 0 && toAdd.Count == 0)
{
if(_empty == null)
_empty = new LeagueViewModel {
EmptyMessage = "You don't belong to any leagues... yet.\n\n\n\nYou can and will join leagues by tapping the + button above."
};
if(!Leagues.Contains(_empty))
Leagues.Add(_empty);
}
var compare = new LeagueSortComparer();
foreach(var lv in toAdd)
{
int index = 0;
foreach(var l in Leagues.ToList())
{
if(compare.Compare(lv, l) < 0)
break;
index++;
}
Leagues.Insert(index, lv);
}
if(toAdd.Count > 0 || toRemove.Count > 0)
{
var last = Leagues.LastOrDefault();
foreach(var l in Leagues)
l.IsLast = l == last;
}
if(Leagues.Count > 0 && Leagues.Contains(_empty) && Leagues.First() != _empty)
{
Leagues.Remove(_empty);
}
}
