public void HandleRequest(IRequest request)
        {
            using (var scope = Db.CreateTransaction())
            {
                var character = request.Session.Character;
                var member    = Character.Get(request.Data.GetOrDefault <int>(k.memberID));

                var gang = _gangManager.GetGangByMember(character);
                if (gang == null)
                {
                    throw new PerpetuumException(ErrorCodes.CharacterNotInGang);
                }

                if (character != gang.Leader)
                {
                    throw new PerpetuumException(ErrorCodes.OnlyGangLeaderCanDoThis);
                }

                _gangManager.ChangeLeader(gang, member);

                Message.Builder.FromRequest(request).WithOk().Send();

                scope.Complete();
            }
        }