public static RouteInfo GetPathInfo(List <Node> paths)
        {
            //get the number of stops on each path
            var route         = new StringBuilder();
            int totalDistance = 0;
            int counter       = 0;
            var initialNode   = new Node();

            foreach (Node stopOver in paths)
            {
                // set route map
                route.AppendFormat("{0} ", stopOver.Name);

                //get distance between each other
                if (counter < paths.Count)
                {
                    if (counter > 0) //check if first item
                    {
                        //compare
                        Edge endPoint = initialNode.Edges.FirstOrDefault(e => e.NodeDestination.Name == stopOver.Name);

                        if (endPoint == null)
                        {
                            return(null);
                        }

                        //get distance
                        totalDistance += endPoint.Distance;
                    }

                    //replace initial node; will be used to compare with the next node
                    initialNode = stopOver;
                    counter++;
                }
            }

            var result = new RouteInfo
            {
                Path          = route.ToString(),
                NumberOfStops = paths.Count,
                TotalDistance = totalDistance
            };

            return(result);
        }
        public static GraphResult GetAllPathInfo(Node from, Node to)
        {
            var result = new GraphResult()
            {
                Start = from,
                End   = to
            };

            var allPaths = FindAllPaths(from, to).ToList();

            var pathInfo = new RouteInfo();

            foreach (var path in allPaths)
            {
                pathInfo = GetPathInfo(path);
                result.PossibleRoutes.Add(pathInfo);
            }

            return(result);
        }