public List <Rider> ShowAllBookingHelper(User user, ref List <int> offerIds) { var riders = Dbrr.GetRidersByUserId(user.Id); foreach (Rider rider in riders) { offerIds.Add(rider.RideId); } return(riders); //var Rides = Dbr.GetRides(); //var filteredRides = Rides.Where(r => r.Riders.FirstOrDefault(p => p.Id.Equals(user.Id)) != null); //foreach (Ride ride in filteredRides) { // Rider rider = ride.Riders.FirstOrDefault(p => p.Id.Equals(user.Id)); // offerIds.Add(ride.Id); // riders.Add(rider); //} }