using System.Collections.Generic; using System.Linq; using YourNamespace.Entities; using YourNamespace.Repositories; namespace YourNamespace.Repositories.Implementations { public class FlightRepository : IFlightRepository { private readonly List _flights = new List(); private int _nextId = 1; public IEnumerable ReadFlights() { return _flights; } public Flight ReadFlightById(int id) { return _flights.FirstOrDefault(f => f.Id == id); } public void CreateFlight(Flight flight) { var newFlight = Flight.CreateEntity(_nextId++, flight.FlightNumber, flight.DepartureDateTime, flight.ArrivalDateTime, flight.PlaneId, flight.AirportId); _flights.Add(newFlight); } public void UpdateFlight(Flight flight) { var existingFlight = _flights.FirstOrDefault(f => f.Id == flight.Id); if (existingFlight != null) { var updatedFlight = Flight.CreateEntity(existingFlight.Id, flight.FlightNumber, flight.DepartureDateTime, flight.ArrivalDateTime, flight.PlaneId, flight.AirportId); _flights.Remove(existingFlight); _flights.Add(updatedFlight); } } public void DeleteFlight(int id) { var flightToRemove = _flights.FirstOrDefault(f => f.Id == id); if (flightToRemove != null) { _flights.Remove(flightToRemove); } } } }