protected void OnContactChanged(ContactViewModel oldContact, ContactViewModel newContact)
{
if (oldContact?.SharedItems?.ItemCollection != null)
{
oldContact.SharedItems.ItemCollection.MultiSelectEnabled -= OnMultiSelectEnabled;
oldContact.SharedItems.ItemCollection.MultiSelectDisabled -= OnMultiSelectDisabled;
oldContact.SharedItems.ItemCollection.AllSelected -= OnAllSelected;
}
if (newContact == null)
{
this.CloseEvent?.Invoke(this, EventArgs.Empty);
return;
}
// If achievements is enabled, retrieve achievement data for the new contact
if (AccountService.AccountAchievements.IsAchievementsEnabled)
{
// Only need data from the MAchievementClass.MEGA_ACHIEVEMENT_INVITE type
var referralAward = AccountService.AccountAchievements.AwardedClasses.FirstOrDefault(
model => model.AchievementClass.HasValue &&
model.AchievementClass.Value == MAchievementClass.MEGA_ACHIEVEMENT_INVITE);
// Find the achievements invite for current contact
var referralContact = (ContactViewModel)referralAward?.Contacts.ItemCollection.Items.FirstOrDefault(
contact => contact.Handle == newContact.Handle);
if (referralContact != null)
{
// Copy achievement information to the new contact
newContact.CopyAchievementDetails(referralContact);
}
}
if (newContact?.SharedItems?.ItemCollection != null)
{
newContact.SharedItems.ItemCollection.MultiSelectEnabled += OnMultiSelectEnabled;
newContact.SharedItems.ItemCollection.MultiSelectDisabled += OnMultiSelectDisabled;
newContact.SharedItems.ItemCollection.AllSelected += OnAllSelected;
}
}