//Writing routes for the dataModel
public static void Read_Data_Routes(string routes, DataModel dataModel)
{
var documentRoutes = new StreamReader(new FileStream(routes, FileMode.Open, FileAccess.Read));
string line;
line = documentRoutes.ReadLine();
while ((line = documentRoutes.ReadLine()) != null)
{
string[] parametersRoute = line.Split(';');
DateTime start = DateTime.Today + new TimeSpan(int.Parse(parametersRoute[0]), int.Parse(parametersRoute[1]), 1);
DateTime end = DateTime.Today + new TimeSpan(int.Parse(parametersRoute[2]), int.Parse(parametersRoute[3]), 1);
int delay = int.Parse(parametersRoute[4]);
int i = 5;
while (i + 1 < parametersRoute.Length && parametersRoute[i + 1] != "")
{
Link link = DataModel.GetLink(int.Parse(parametersRoute[i]),
int.Parse(parametersRoute[i + 1]), dataModel.links);
DateTime tempTime = start;
TimeSpan timeDelay = new TimeSpan(0, delay, 0);
while (tempTime <= end)
{
try
{
link.times.Add(tempTime);
link.times.Add(tempTime + new TimeSpan(1, 0, 0, 0));
link.times.Add(tempTime + new TimeSpan(2, 0, 0, 0));
tempTime = tempTime.Add(timeDelay);
}
catch { break; }
}
try
{
link.times = link.times.OrderBy(x => x.Day).ToList();
}
catch {}
i++;
}
}
documentRoutes.Close();
}
/*DijkstraSearch searches for the fastest route through the network by arranging the nodes and links from fastest to slowest.
* If DijkstaSearch finds the end, it will stop searching and the fastest route is found*/
private static void DijkstraSearch(Node start, Node end, DateTime time, DataModel dataModel)
{
start.minCostToStart = time;
var prioQueue = new List <Node> {
start
};
while (prioQueue.Any())
{
prioQueue = prioQueue.OrderBy(x => x.minCostToStart).ToList();
var node = prioQueue.First();
prioQueue.Remove(node);
foreach (var link in node.connections.OrderBy(x => Link.GetDepartTime(DataModel.GetLink(x.start.number, x.end.number, dataModel.links), node.minCostToStart) + x.weight))
{
DateTime tempCost = Link.GetDepartTime(DataModel.GetLink(link.start.number, link.end.number, dataModel.links), node.minCostToStart) + link.weight;
var childNode = link.end;
if (childNode.visited)
{
continue;
}
if (tempCost < childNode.minCostToStart)
{
childNode.minCostToStart = tempCost;
childNode.nearestToStart = node;
if (!prioQueue.Contains(childNode))
{
prioQueue.Add(childNode);
}
}
}
node.visited = true;
if (node == end)
{
return;
}
}
}
