using System;

public class Program

{

    public static void Main()

        public class Flight

{

    public int Id { get; set; }

    public string FlightNumber { get; set; }

    public string From { get; set; }

    public string To { get; set; }

    public DateTime DepartureTime { get; set; }

    public DateTime ArrivalTime { get; set; }

    public int AvailableSeats { get; set; }

}

        public class Reservation

{

    public int Id { get; set; }

    public string FullName { get; set; }

    public string PhoneNumber { get; set; }

    public string Nationality { get; set; }

    public string ReservationType { get; set; }  // "Business" или "Economy"

    public int FlightId { get; set; }

    public Flight Flight { get; set; }

    public bool IsConfirmed { get; set; }

    public DateTime ReservationDate { get; set; }

​

   using Microsoft.EntityFrameworkCore;

​

public class FlightManagerContext : DbContext

{

    public DbSet<Flight> Flights { get; set; }

    public DbSet<Reservation> Reservations { get; set; }

​

    public FlightManagerContext(DbContextOptions<FlightManagerContext> options) : base(options) { }

}

   using Microsoft.AspNetCore.Mvc;

   using Microsoft.EntityFrameworkCore;

​

[Route("api/[controller]")]

[ApiController]

public class ReservationController : ControllerBase

{

    private readonly FlightManagerContext _context;

​

    public ReservationController(FlightManagerContext context)

    {

        _context = context;

    }

​

    // Резервация на полет

    [HttpPost]

    public async Task<IActionResult> MakeReservation([FromBody] Reservation reservation)

    {

        if (string.IsNullOrEmpty(reservation.FullName) || string.IsNullOrEmpty(reservation.PhoneNumber))

            return BadRequest("All fields are required.");

​

        var flight = await _context.Flights.FindAsync(reservation.FlightId);

        if (flight == null || flight.AvailableSeats <= 0)

            return BadRequest("Flight not available.");

​

        flight.AvailableSeats--;

        reservation.ReservationDate = DateTime.Now;

        reservation.IsConfirmed = false;

​

        _context.Reservations.Add(reservation);

        await _context.SaveChangesAsync();

​

        return (new { message = "Reservation made successfully. Confirmation pending." });

    }

​

    // Преглед на всички резервации (само за администратори)

    HttpGet

    Authorize(Roles = "Admin")

    public async Task<IActionResult> GetReservations()

    {

        var reservations = await _context.Reservations.Include(r => r.Flight).ToListAsync();

        return(reservations);

    }

}

​

​

    }

}