private void GetItemSource()
{
UserDialogs.Instance.ShowLoading();
AppModel.Instance.CurrentUser.FavoriteEvents.ClearData();
DynamicListData <EventData> allEvents = new DynamicListData <EventData>();
if (!(AppModel.Instance.PayedEvents.Items.Count > 0) || !(AppModel.Instance.FreeEvents.Items.Count > 0))
{
var task1 = new DownloadEventsDataBackgroundTask(true, AppModel.Instance.FreeEvents);
var task2 = new DownloadEventsDataBackgroundTask(false, AppModel.Instance.PayedEvents);
task1.Execute();
task2.Execute();
}
allEvents.UpdateData(AppModel.Instance.PayedEvents.Items);
allEvents.UpdateData(AppModel.Instance.FreeEvents.Items);
foreach (FavouriteEventData fed in AppModel.Instance.CurrentUser.FavouriteActions.Items)
{
EventData ed = null;
ed = allEvents.Find(fed.EventId);
if (ed != null)
{
}
AppModel.Instance.CurrentUser.FavoriteEvents.AddOne(ed);
}
UserDialogs.Instance.HideLoading();
FavEventListWrapper = new EventsDataWrapper(AppModel.Instance.CurrentUser.FavoriteEvents);
}
private void OnExhibitorsChanged(List <Exhibitor> exhibitors)
{
if (exhibitors == null)
{
return;
}
if (DontShowCategoryIfEmpty)
{
var items = new Dictionary <SponsorType, List <Exhibitor> >();
foreach (Exhibitor exhibitor in exhibitors)
{
SponsorType sponsor = Sponsors.Find(exhibitor.SponsorType.Id);
if (!items.ContainsKey(sponsor))
{
items.Add(sponsor, new List <Exhibitor> ());
}
items [sponsor].Add(exhibitor);
}
Device.BeginInvokeOnMainThread(() => {
foreach (SponsorType sponsorType in items.Keys)
{
if (!Data.ContainsKey(sponsorType))
{
var collection = new ExhibitorsDynamicObservableData(sponsorType);
Data.Add(sponsorType, collection);
Items.Add(collection);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, collection));
}
Data[sponsorType].UpdateData(items[sponsorType]);
}
});
}
else
{
foreach (ExhibitorsDynamicObservableData data in Items)
{
List <Exhibitor> lexh = new List <Exhibitor>();
foreach (Exhibitor exh in exhibitors)
{
if (exh.SponsorType.Type == data.Sponsor.Type)
{
lexh.Add(exh);
}
}
data.UpdateData(lexh);
//data.UpdateData(exhibitors.FindAll(temp => temp.SponsorTypeId.Equals(data.Sponsor.Type)));
//data.UpdateData (exhibitors.FindAll (temp => temp.SponsorType.Id.Equals (data.Sponsor.Id)));
}
}
}
public UserModel AddModel(User user, out bool isNew)
{
isNew = false;
UserModel model = UsersModels.Find(user.Id);
if (model == null)
{
model = new UserModel(user);
isNew = true;
UsersModels.Items.Add(model);
}
else
{
if (model.User.UpdatedAtTime < user.UpdatedAtTime)
{
model.UpdateUser(user);
}
}
return(model);
}