private void OnRemoveFriendExecute()
{
var selectedFriendToRemove = SelectedAddedFried;
var friendToRemove = Meeting.Model.FriendMeetings
.FirstOrDefault(e => e.FriendId == selectedFriendToRemove.Id && e.MeetingId == Meeting.Id);
Meeting.Model.FriendMeetings.Remove(friendToRemove);
AddedFriends.Remove(selectedFriendToRemove);
AvailibleFriends.Add(selectedFriendToRemove);
HasChange = _meetingService.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
private void SetupPickList()
{
var meetingFriendIds = Meeting
.Model
.FriendMeetings
.Select(fm => fm.Friend)
.Select(f => f.Id).ToList();
var addableFriends = _allFriends
.Where(f => meetingFriendIds.Contains(f.Id))
.OrderBy(f => f.FirstName);
var availibleFriends = _allFriends
.Except(addableFriends)
.OrderBy(f => f.FirstName);
AddedFriends.Clear();
AvailibleFriends.Clear();
foreach (var af in addableFriends)
{
AddedFriends.Add(new FriendModel()
{
Id = af.Id,
Email = af.Email,
FirstName = af.FirstName,
LastName = af.LastName
});
}
foreach (var af in availibleFriends)
{
AvailibleFriends.Add(new FriendModel()
{
Id = af.Id,
Email = af.Email,
FirstName = af.FirstName,
LastName = af.LastName
});
}
}