public void AddNewFlightPlan(FlightPlan flightPlan)
{
//add flight plan to DB
if (flightPlan == null || flightPlan.IsNull() ||
!TimeFunc.ValidStringDate(flightPlan.InitialLocation.DateTime))
{
throw new Exception();
}
db.AddFlightPlan(flightPlan, CreateId());
}
public bool IsNull()
{
//check validation
if (DateTime == null || Longitude > 180 ||
Longitude < -180 || Latitude > 90 || Latitude < -90 ||
!TimeFunc.ValidStringDate(DateTime))
{
return(true);
}
return(false);
}
private void UpdateFlight(List <DateTime> dateTimes, DateTime requestTime,
FlightPlanId fid, List <Segment> segments, List <Flight> currentFlight)
{
FlightPlan f = fid.FlightP;
//find current segment of flight
int numSegment = FindSpecificSegment(dateTimes, requestTime);
double longStart, longEnd, latStart, latEnd;
DateTime startSegment = dateTimes[numSegment];
DateTime endSegment = dateTimes[numSegment + 1];
//num seconds passed from the beginning of the segment
double secondsPast = (requestTime - startSegment).TotalSeconds;
//total seconds that left in segment
double secondLeft = (endSegment - requestTime).TotalSeconds;
//calculate current place
if (numSegment == 0)
{
longStart = f.InitialLocation.Longitude;
longEnd = segments[numSegment].Longitude;
latStart = f.InitialLocation.Latitude;
latEnd = segments[numSegment].Latitude;
}
else
{
longStart = segments[numSegment - 1].Longitude;
longEnd = segments[numSegment].Longitude;
latStart = segments[numSegment - 1].Latitude;
latEnd = segments[numSegment].Latitude;
}
double newX = (longStart * secondLeft + longEnd * secondsPast) /
(secondsPast + secondLeft);
double newY = (latStart * secondLeft + latEnd * secondsPast) /
(secondsPast + secondLeft);
//add the new Flight to list
currentFlight.Add(new Flight(fid.ID, newX, newY,
f.Passengers, f.CompanyName, TimeFunc.ConvertDate(requestTime), false));
}
public List <Flight> GetFlightsFromServer(string relative_to)
{
//interuplation of flight place
List <Flight> currentFlight = new List <Flight>();
List <FlightPlanId> flightPlan = db.GetFlightPlans();
foreach (FlightPlanId fid in flightPlan)
{
FlightPlan f = fid.FlightP;
DateTime requestTime =
TimeFunc.CreateDateTimeFromString(relative_to);
List <Segment> segments = f.Segments;
List <DateTime> dateTimes = CreateAllDataTimeClient(segments,
TimeFunc.CreateDateTimeFromString(f.InitialLocation.DateTime));
//if flight is now
if (FlightIsNow(requestTime, dateTimes[0], dateTimes[dateTimes.Count - 1]))
{
//get the new place of flight
UpdateFlight(dateTimes, requestTime, fid, segments, currentFlight);
}
}
return(currentFlight);
}
