public static RouteList FilterNoCrossingOccupied(this RouteList baseList, RouteList allRoutes)
{
if (allRoutes == null)
{
return(baseList);
}
if (allRoutes.Count == 0)
{
return(baseList);
}
var res = new RouteList();
foreach (var it in baseList)
{
if (string.IsNullOrEmpty(it?.Name))
{
continue;
}
var crossingRoutes = allRoutes.GetCrossingRoutesOf(it);
if (crossingRoutes.Count == 0)
{
if (!res.Contains(it))
{
res.Add(it);
}
}
else
{
var isOccupied = false;
foreach (var itt in crossingRoutes)
{
if (itt == null)
{
continue;
}
isOccupied = itt.Occupied;
if (isOccupied)
{
break;
}
}
if (isOccupied)
{
continue;
}
if (!res.Contains(it))
{
res.Add(it);
}
}
}
return(res);
}
