static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Airline airline = new Airline();
Finance finance = new Finance();
Sales sales = new Sales();
Catering catering = new Catering();
//link modules with events
airline.FlightEvent += finance.OnFlightEvent;
airline.FlightEvent += sales.OnFlightEvent;
airline.FlightEvent += catering.OnFlightEvent;
catering.CateringEvent += finance.OnCateringEvent;
//simulate app
FlightReader fr = new FlightReader();
List <Flight> flights = fr.ReadFlights();
foreach (var f in flights)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(f);
airline.AddFlight(f);
}
//check observers
catering.PrintOrderReport();
sales.PrintAnalysisReport();
finance.PrintCateringReport(2021);
finance.PrintFuelReport(2021);
}
