/// <summary>
/// Back-up method that will run each day at a certain time
/// </summary>
/// <param name="timeSpan">The time of the day the method will run</param>
private static void StoreFlightDetailsHistory(object timeSpan)
{
//If the format of the invokation time is not correct the method will not run
if (!TimeSpan.TryParse(timeSpan.ToString(), out TimeSpan ts))
{
_logger.Error("Time to backup flights details history is configured in wrong format");
return;
}
//check how many seconds left till backup
double secondsToGo = (ts - DateTime.Now.TimeOfDay).TotalSeconds;
if (secondsToGo < 0)//if the seconds number is negative (meaning the tome is passed for today), add 24 hours
{
secondsToGo += (24 * 60 * 60);
}
Thread.Sleep(new TimeSpan(0, 0, (int)secondsToGo));//Sleeo till invokation time
_logger.Debug($"Backup will start in {secondsToGo} seconds");
while (true)//will run each 24 hours while the system us up
{
_logger.Info("Starting backup...");
IFlightDAO flightDAO = new FlightDAOPGSQL();
ITicketDAO ticketDAO = new TicketDAOPGSQL();
IFlightsTicketsHistoryDAO flightsTicketsHistoryDAO = new FlightsTicketsHistoryDAOPGSQL();
var flights_with_tickets = flightDAO.GetFlightsWithTicketsAfterLanding(3 * 60 * 60);//get all flight with tickets that landed 3+ hours ago inside dictionary
int flights_count = 0;
int tickets_count = 0;
foreach (Flight flight in flights_with_tickets.Keys) //Run over all the keys (flights) in the dictionary
{
flightsTicketsHistoryDAO.Add(flight, FlightStatus.Landed); //Add the flight to history table
foreach (Ticket ticket in flights_with_tickets[flight]) //Run over all the tickets of the flight
{
if (ticket.Id != 0) //If there is no tickets associated with the flight there will be one ticket with id, we don't want to add this ticket to the history
{
flightsTicketsHistoryDAO.Add(ticket, TicketStatus.Redeemed); //Add ticket to history table
ticketDAO.Remove(ticket); //Remove the ticket from original table
tickets_count++;
}
}
flightDAO.Remove(flight);//Remove the flight from original table
flights_count++;
}
_logger.Info($"Backed up {flights_count} flights and {tickets_count} tickets");
Thread.Sleep(new TimeSpan(24, 0, 0));
}
}
