public class ExceptionMiddleware
    {
        private readonly RequestDelegate _next;
        private readonly ILogger<ExceptionMiddleware> _logger;

        public ExceptionMiddleware(ILogger<ExceptionMiddleware> logger, RequestDelegate next)
        {
            _logger = logger;
            _next = next;
        }

        public async Task InvokeAsync(HttpContext context)
        {
            try
            {
                await _next(context);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex);
                await HandleExceptionAsync(context, ex);
            }
        }

        private static Task HandleExceptionAsync(HttpContext context, Exception ex)
        {
           // do ur stuff
        }
    }

   public class ExceptionMiddleware
    {
        private readonly RequestDelegate _next;
        private readonly ILogger<ExceptionMiddleware> _logger;

        public ExceptionMiddleware(ILogger<ExceptionMiddleware> logger, RequestDelegate next)
        {
            _logger = logger;
            _next = next;
        }

        public async Task InvokeAsync(HttpContext context)
        {
            try
            {
                await _next(context);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex);
                await HandleExceptionAsync(context, ex);
            }
        }

        private static Task HandleExceptionAsync(HttpContext context, Exception ex)
        {
           // do ur stuff
        }
    }

int switcher = 0;
int currentFloor = -1;

while (true)
{
    Console.WriteLine("Elevator \nFloor 0: Entre \nFloor 1: Sellingarea \nFloor 2: IT-Department \nFloor 3: Project-management \nFloor 4: Boss");
    switcher = ReadInput();
    if (currentFloor != switcher)
        Switch(switcher);
    else
        ErrorMsg(currentFloor);
     currentFloor = switcher;
}

static void ErrorMsg(int currentFloor)
{
    Console.Clear();
    Console.WriteLine($"You are already at floor {currentFloor}");
}

static int ReadInput()
{
    if (!int.TryParse(Console.ReadLine(), out int switcher) || switcher < 0 || switcher > 4)
        Console.WriteLine("Type a button between 0-4 to get to the floors");
  
    return switcher;
}

static void RunElevator(string floor)
{
    for (int i = 1; i < 10; i++)
    {
        Console.WriteLine(i + "Seconds");
        Thread.Sleep(500);

    }
    Console.Clear();
    Console.WriteLine($"Welcome to {floor}");
}

static void Switch(int switcher)
{
    switch (switcher)
    {
        case 0:
            RunElevator("Entre");
            break;
        case 1:
            RunElevator("Selling area");
            break;
        case 2:
            RunElevator("IT-Department");
            break;
        case 3:
            RunElevator("Project-managment");
            break;
        case 4:
            RunElevator("the boss office");
            break;
    }
}

int switcher = 0;
int currentFloor = -1;

while (true)
{
    Console.WriteLine("Elevator \nFloor 0: Entre \nFloor 1: Sellingarea \nFloor 2: IT-Department \nFloor 3: Project-management \nFloor 4: Boss");
    switcher = ReadInput();
    if (currentFloor != switcher)
        Switch(switcher);
    else
        ErrorMsg(currentFloor);
     currentFloor = switcher;
}

static void ErrorMsg(int currentFloor)
{
    Console.Clear();
    Console.WriteLine($"You are already at floor {currentFloor}");
}

static int ReadInput()
{
    if (!int.TryParse(Console.ReadLine(), out int switcher) || switcher < 0 || switcher > 4)
        Console.WriteLine("Type a button between 0-4 to get to the floors");
  
    return switcher;
}

static void RunElevator(string floor)
{
    for (int i = 1; i < 10; i++)
    {
        Console.WriteLine(i + "Seconds");
        Thread.Sleep(500);

    }
    Console.Clear();
    Console.WriteLine($"Welcome to {floor}");
}

static void Switch(int switcher)
{
    switch (switcher)
    {
        case 0:
            RunElevator("Entre");
            break;
        case 1:
            RunElevator("Selling area");
            break;
        case 2:
            RunElevator("IT-Department");
            break;
        case 3:
            RunElevator("Project-managment");
            break;
        case 4:
            RunElevator("the boss office");
            break;
    }
}