public TrackingInformationModel TrackParcel(string parcelCode)
{
try
{
TrackingInformationModel result = new TrackingInformationModel();
// i. Validation of Tracking Code
ParcelModel parcel = _trackingLogic.GetParcelByCode(parcelCode);
_trackingLogic.ValidateParcel(parcel);
// ii. Get all previously visited hops for package from DB
result.VisitedHops = _trackingLogic.GetAllPastHops(parcel) as List <HopArrivalModel>;
// iii. Predict future hops to final destination
// 1.Do a GPS distance search e.g.
// https://dotnet-snippets.de/snippet/entfernung-zwischen-zwei-geografischen-koordinaten-berechnen/828
// 2.Find the closest Truck
// 3.Find the truck’s warehouse, the warehouses parent warehouse, etc.
// until you reach the last PAST hop.
List <TruckModel> trucks = _warehouseLogic.GetAllTrucks() as List <TruckModel>;
TruckModel closestTruck = null;
decimal minDistance = decimal.MaxValue;
for (int i = 0; i < trucks.Count; i++)
{
if (trucks[i] == null)
{
continue;
}
GeoPoint parcelCoords = new GeoPoint(parcel.Latitude, parcel.Longitude);
var distance = (decimal)parcelCoords.DistToOtherInKm(new GeoPoint(trucks[i].Latitude, trucks[i].Longitude));
if (distance < minDistance && trucks[i].Radius >= distance)
{
closestTruck = trucks[i];
minDistance = distance;
}
}
/*NOT finished, just testing */
HopArrivalModel latestHop;
if (result.VisitedHops.Count > 0)
{
latestHop = result.VisitedHops[result.VisitedHops.Count - 1];
}
else
{
latestHop = null;
}
result.FutureHops = _warehouseLogic.GetAllFutureHops(latestHop, closestTruck, parcel) as List <HopArrivalModel>;
/* end testing */
switch (result.FutureHops.Count)
{
case 0:
result.State = StateEnum.DeliveredEnum;
break;
case 1:
result.State = StateEnum.InTruckDeliveryEnum;
break;
default:
result.State = StateEnum.InTransportEnum;
break;
}
return(result);
}
catch (Exception ex)
{
_logger.Error(ex.Message);
throw new BLException("BL error tracking parcels: " + ex.Message, ex);
}
}
