//adds a pending member to the alliance
//removes a pending member from the alliance
public void RemovePendingMember(PendingAllianceMember pending)
{
PendingMembers.Remove(pending);
}
public void AddPendingMember(PendingAllianceMember pending)
{
PendingAllianceMember member = PendingMembers.FirstOrDefault(p => p.Airline == pending.Airline);
if (member != null)
{
RemovePendingMember(member);
}
PendingMembers.Add(pending);
}
