private async Task InitPlane() { var airPortFrom = new Airport { Name = "Brussels Airport", Code = "BRS", Country = "BElGIUM" }; var airPortTo = new Airport { Name = "John F Kennedy (JFK). ", Code = "JFK", Country = "AMERICA" }; var plane = new Plane(new FlightInfo(airPortFrom, airPortTo, DateTime.Now, DateTime.Now.AddHours(8)), new Catalog()) { TailNumber = "LMAO42069", Type = "AIRBUS A380" }; for (var i = 1; i < 20; i++) { if (i < 4) { plane.AddSeat("A", i, FlightClass.Business); plane.AddSeat("B", i, FlightClass.Business); plane.AddSeat("C", i, FlightClass.Business); plane.AddSeat("D", i, FlightClass.Business); plane.AddSeat("E", i, FlightClass.Business); plane.AddSeat("F", i, FlightClass.Business); } else { plane.AddSeat("A", i, FlightClass.Economy); plane.AddSeat("B", i, FlightClass.Economy); plane.AddSeat("C", i, FlightClass.Economy); plane.AddSeat("D", i, FlightClass.Economy); plane.AddSeat("E", i, FlightClass.Economy); plane.AddSeat("F", i, FlightClass.Economy); } } _context.Plane.Add(plane); _context.SaveChanges(); plane = _context.Plane.Include(p => p.Seats).FirstOrDefault(); for (var i = 1; i < 20; i++) { var list = new List <string>() { "A", "B", "C", "D", "E", "F", }; foreach (var c in list) { var passenger = new Passenger() { ReservationCode = "resvcode" + i + c, UserName = "******" + i + c }; plane.AssingPassengerToSeat(passenger, c, i); var a = await _userManager.CreateAsync(passenger, "Test123!"); if (a != IdentityResult.Success) { continue; } } } for (var i = 0; i < 4; i++) { var crewMem = new CabinCrew() { UserName = "******" + i, }; var a = await _userManager.CreateAsync(crewMem, "Test123!"); if (a != IdentityResult.Success) { continue; } var crewManInit = await _userManager.FindByNameAsync("CrewMem" + i); plane.PutCrewManToWork(crewManInit as CabinCrew); } plane.Catalog = new Catalog(); plane.Catalog.Items = new List <CatalogItem>(); plane.Catalog.Items.AddRange((InitMovies.GetVideos())); plane.Catalog.Items.AddRange((AudioInit.GetAudio())); plane.Catalog.Items.AddRange((FoodInit.getFoods())); plane.Catalog.Items.AddRange((InitBeverage.GetBeverages())); // plane.Catalog.Items.Add(new); var passengrs = plane.Seats.Select(p => p.Passenger).OrderBy(p => p.Id).ToList(); var groups = SplitList <Passenger>(passengrs); foreach (var item in groups) { var group = new ReservationGroup { Passengers = new List <Passenger>() }; group.Passengers.AddRange(item); _context.ReservationGroups.Add(group); } _context.SaveChanges(); }