gistfile1.txt

var events = _cacheManager.Get("a.magic.key", ctx => { 
                ctx.Monitor(_signals.When(TimeSpan.FromHours(1));
                var myEvents =  new List<evento>();
                if (menus != null) {
                  var menuIds = menus.Select(x => x.MenuTypePartRecord.Id).ToList();
                  var eventRecords = _contentManager.Query<ReservationPart, ReservationPartRecord>().Where(x => x.Name == user &&  menuIds.Contains(x.Record.MenuTypePartRecord.Id).ToList();
                    foreach (var menu in menus)
                    {
                        var reserva = Record.MenuTypePartRecord.Id.Where(item => item.Date == menu.Record.Date).FirstOrDefault();
                        var eventDate =  menu.Record.Date.Value;
                        var evento = new evento {
                          id = reserva != null ? reserva.Id.ToString() : menu.Id.ToString(),
                          title = menu.MenuTypePartRecord.Name,
                          start = Year + "-" + eventDate.Month + "-" + eventDate.Day
                          color = reserva != null ? "#ef4630" : eventDate <= datenow ? "#cccccc" : "#69ba00";
                          allDay = true
                        };

                        myEvents.Add(evento);
                    }
                  }
              return myEvents;
          });