public static Item FindPotentialNewOwner(
LocationReport lr,
Item luggageItem)
{
// for a given luggage find the owner that is nearest to it
Item passenger = null;
double distanceMin = int.MaxValue;
foreach (var item in lr.Items) {
if (item.Type.Equals("P")) {
var who = item.AssetId;
if (luggageItem.AssetIdPassenger.Equals(who)) {
continue;
}
var distance = LRUtil.Distance(
luggageItem.Location.X,
luggageItem.Location.Y,
item.Location.X,
item.Location.Y);
if (passenger == null || distance < distanceMin) {
passenger = item;
distanceMin = distance;
}
}
}
return passenger;
}
/// <summary>
/// Return all luggages separated from the owner.
/// </summary>
/// <param name="lr">event</param>
/// <returns>list</returns>
public static IList<Item> FindSeparatedLuggage(LocationReport lr)
{
// loop over all luggages
// find the location of the owner of the luggage
// compute distance luggage to owner
// if distance > 10 add original-owner
IList<Item> result = new List<Item>();
foreach (var item in lr.Items) {
if (item.Type.Equals("L")) {
var belongTo = item.AssetIdPassenger;
Item owner = null;
foreach (var ownerItem in lr.Items) {
if (ownerItem.Type.Equals("P")) {
if (ownerItem.AssetId.Equals(belongTo)) {
owner = ownerItem;
}
}
}
if (owner == null) {
continue;
}
var distanceOwner = LRUtil.Distance(
owner.Location.X,
owner.Location.Y,
item.Location.X,
item.Location.Y);
if (distanceOwner > 20) {
result.Add(item);
}
}
}
return result;
}