/// <summary>
/// Get the nearest open order available for pickup from the current location
/// </summary>
/// <param name="vehicle"></param>
/// <returns></returns>
public Tuple <Order, Vertex <VertexInfo, EdgeInfo> > GetNearestOpenOrder(VehicleInstance vehicle)
{
var nearestBaseStation = GetNearestBaseStationWithOpenOrder(vehicle);
var order = OpenOrders.FirstOrDefault(o => o.Start == nearestBaseStation);
return(Tuple.Create(order, nearestBaseStation));
}
/// <summary>
/// Get the nearest base station to the current position that has open orders available
/// </summary>
/// <param name="vehicle">The vehicle</param>
/// <returns></returns>
public Vertex <VertexInfo, EdgeInfo> GetNearestBaseStationWithOpenOrder(VehicleInstance vehicle)
{
var nearestBaseStation = Parameters.Graph
.Where(x => x.Info.Type == VertexType.Base || x.Info.Type == VertexType.Both)
.Where(x => OpenOrders.Any(y => y.Start.Info == x.Info && Parameters.Graph.FindShortestPath(Parameters.Graph, y.Start, y.Target, vehicle.TravelMode).Item2 <= vehicle.GetMaximumTravelDistance(y.PayloadWeight, vehicle.CurrentFuelLoaded)))
.Select(x => Tuple.Create(Parameters.Graph.FindShortestPath(Parameters.Graph, vehicle.CurrentVertexPosition, x, vehicle.TravelMode).Item2, x))
.OrderBy(x => x.Item1)
.FirstOrDefault();
return(nearestBaseStation?.Item2);
}
