protected static bool UpdateRank(int?primary, int?edit, ref Trooper p, ref Trooper s,
[NotNullWhen(true)] out RankChange?update)
{
if (primary != edit)
{
update = new RankChange()
{
ChangedFrom = primary ?? -1,
ChangedTo = edit ?? -1,
ChangedOn = DateTime.UtcNow,
SubmittedByRosterClerk = true
};
p.RankChanges.Add(update);
s.SubmittedRankChanges.Add(update);
if (primary < edit)
{
p.LastPromotion = DateTime.UtcNow;
}
return(true);
}
update = null;
return(false);
}
internal void OnRankChange(User user, string channel, UserRank rank) => RankChange?.Invoke(user, channel, rank);