public BusRouteStop(BusRoute route, BusStop stop, TimeSpan eta, int stopNumber)
{
Route = route;
Stop = stop;
ETA = eta;
StopNumber = stopNumber;
}
internal static BusRouteStop[] GetBusStops(BusRoute route, string csv)
{
if (csv == null)
{
return(null);
}
string[] lines = csv.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
string[] stopNames = lines[0].Split(',');
bool multipleRoutes = false;
BusStop[] stops = new BusStop[stopNames.Length];
for (int i = 0; i < stopNames.Length; i++)
{
if (string.Compare(stopNames[i], "route", true) == 0)
{
multipleRoutes = true;
continue;
}
//Parse individual stop
//int lastDash = stopNames[i].LastIndexOf('-')
string[] stopArgs = stopNames[i].Split(new string[] { " - " }, StringSplitOptions.RemoveEmptyEntries);
if (stopArgs.Length < 2)
{
continue;
}
string crossSt = HttpUtility.HtmlDecode(stopArgs[stopArgs.Length > 2 ? 1 : 0].Trim('*', ' '));
string stopName = HttpUtility.HtmlDecode(stopArgs.Length > 2 ? stopArgs[0].Trim('*', ' ') : crossSt);
string stopNumStr = stopArgs[stopArgs.Length - 1].Trim('*', ' ');
int stopNum = -1;
if (stopNumStr.StartsWith("Stop #"))
{
int.TryParse(stopNumStr.Substring(6), out stopNum);
}
BusStop stop = new BusStop(stopName, crossSt, stopNum);
stops[i] = stop;
}
BusRouteStop[] routeStops = new BusRouteStop[(lines.Length - 1) * stops.Length];
for (int i = 1; i < lines.Length; i++)
{
//string routeTimes
string[] times = lines[i].Split(',');
if (multipleRoutes)
{
string routeNameStr = times[0];
if (string.Compare(routeNameStr, route.RouteName) != 0)
{
continue;
}
}
for (int t = 0; t < times.Length; t++)
{
string time = times[t].Length > 8 ? times[t].Substring(0, times[t].LastIndexOf(' ')) : times[t];
time = time.Replace("\'B\'", "").Replace("\'AB\'", "").Replace("\'H\'", "").Trim('\'').Trim(' ');
if (time.Contains("---") || time.Length > 8 || time.Length < 4)
{
continue;
}
DateTime?date = null;
try
{
date = DateTime.ParseExact(time, "h:mm tt", CultureInfo.InvariantCulture);
}
catch
{
try
{
date = DateTime.ParseExact(time, "h:mm", CultureInfo.InvariantCulture);
}
catch
{
}
}
if (date.HasValue)
{
TimeSpan eta = date.Value.TimeOfDay;
BusRouteStop routeStop = new BusRouteStop(route, stops[t], eta, t);
routeStops[(i - 1) * times.Length + t] = routeStop;
}
}
}
return(routeStops);
}
internal static string GenerateRouteInserts(List <BusRoute> routes)
{
//Get list of stops
List <BusStop> stops = new List <BusStop>();
List <int> availableIds = Enumerable.Range(10000, 89999).ToList();
for (int i = 0; i < routes.Count; i++)
{
for (int j = 0; j < routes[i].Stops.Length; j++)
{
if (routes[i].Stops[j] != null)
{
BusStop curStop = routes[i].Stops[j].Stop;
if (curStop != null && !stops.Contains(curStop))
{
stops.Add(curStop);
if (curStop.StopID != -1)
{
availableIds.Remove(curStop.StopID);
}
}
}
}
}
//Give stops without an ID an ID.
Random rng = new Random();
for (int j = 0; j < stops.Count; j++)
{
if (stops[j].StopID == -1)
{
int index = rng.Next(availableIds.Count);
int uniqueId = availableIds[index];
availableIds.RemoveAt(index);
stops[j].StopID = uniqueId;
}
}
StringBuilder bldr = new StringBuilder();
bldr.AppendLine("-- Insert routes");
for (int i = 0; i < routes.Count; i++)
{
bldr.AppendFormat("INSERT INTO BUS_ROUTE Values (\"{0}\", \"{1}\", \"{2}\", {3});\r\n",
routes[i].ToName,
routes[i].FromName,
routes[i].RouteNumber,
routes[i].DaysOfOperation
);
}
bldr.AppendLine();
bldr.AppendLine("-- Insert stops");
for (int i = 0; i < stops.Count; i++)
{
bldr.AppendFormat("INSERT INTO BUS_STOP Values ({0}, \"{1}\", \"{2}\");\r\n",
stops[i].StopID,
stops[i].Name,
stops[i].CrossStreet
);
}
bldr.AppendLine();
bldr.AppendLine("-- Insert route stops");
HashSet <string> routesInserted = new HashSet <string>();
for (int i = 0; i < routes.Count; i++)
{
for (int j = 0; j < routes[i].Stops.Length; j++)
{
BusRoute route = routes[i];
BusRouteStop routeStop = route?.Stops[j];
BusStop stop = routeStop?.Stop;
if (routeStop != null && stop != null)
{
if (stop.StopID == -1)
{
stop = stops.Find(t => t.Equals(stop));
}
if (stop != null)
{
string routeStr = string.Format("INSERT INTO BUS_ROUTE_STOPS Values (\"{0}\", \"{1}\", \"{2}\", {3}, \"{4}\", {5});",
route.FromName,
route.ToName,
route.RouteNumber,
stop.StopID,
new DateTime(routeStop.ETA.Ticks).ToString("hh:mm:sss"),
routeStop.StopNumber
);
if (!routesInserted.Contains(routeStr))
{
routesInserted.Add(routeStr);
bldr.AppendLine(routeStr);
}
}
}
}
}
return(bldr.ToString());
}
internal static void GenerateBusInserts()
{
Random rng = new Random();
int busCount = 1540;
List <int> availableNumbers = Enumerable.Range(1, 9998).ToList();
List <BusRoute> routes = new List <BusRoute>();
List <string> driverIds = null;
List <string> baseAddresses = null;
using (MetroDB db = new MetroDB("guest", "guest"))
{
if (db.Connect())
{
var routeData = db.GetTable("BUS_ROUTE");
for (int i = 0; i < routeData[0].Count; i++)
{
BusRoute br = new BusRoute();
br.ToName = routeData[0][i];
br.FromName = routeData[1][i];
br.RouteNumber = int.Parse(routeData[2][i]);
br.RouteName = routeData[2][i];
br.DaysOfOperation = byte.Parse(routeData[3][i]);
routes.Add(br);
}
var driverDat = db.GetTable("DRIVER");
driverIds = driverDat[0];
var basesDat = db.GetTable("BASE");
baseAddresses = basesDat[0];
}
else
{
Console.WriteLine("Unable to retrieve data. Cannot generate bus data.");
return;
}
}
StringBuilder bldr = new StringBuilder();
List <BusRoute> distro = new List <BusRoute>(routes);
for (int i = 0; i < busCount; i++)
{
int bIndex = rng.Next(availableNumbers.Count);
int bNum = availableNumbers[bIndex];
availableNumbers.RemoveAt(bIndex);
int dIndex = rng.Next(driverIds.Count);
string dId = driverIds[dIndex];
driverIds.RemoveAt(dIndex);
int rIndex = rng.Next(distro.Count);
BusRoute route = distro[rIndex];
distro.RemoveAt(rIndex);
if (distro.Count == 0)
{
distro.AddRange(routes);
}
int mIndex = rng.Next(models.Length);
string model = models[rng.Next(mIndex)];
int seatCnt = seats[mIndex];
double rngNorm = rng.NextNormal(0, 1);
int milesDriven = (int)((3 + rngNorm) * ((models.Length - mIndex) * 25000));
int baIndex = rng.Next(baseAddresses.Count);
string bAddr = baseAddresses[baIndex];
bldr.AppendFormat("INSERT INTO BUS Values ({0}, {1}, \"{2}\", \"{3}\", {4}, \"{5}\", {6}, {7}, \"{8}\");\r\n",
bNum,
dId,
route.ToName,
route.FromName,
route.RouteNumber,
model,
seatCnt,
milesDriven,
bAddr);
}
string queries = bldr.ToString();
string curDir = Environment.CurrentDirectory;
File.WriteAllText(Path.Combine(curDir, "buses.sql"), queries);
}
internal static BusRoute[] GetKingCountyRoute(HtmlWeb webLoader, Uri uri)
{
HtmlDocument routeDoc = webLoader.Load(uri);
if (uri.AbsoluteUri.EndsWith(".pdf"))
{
return(new BusRoute[0]);
}
HtmlNode routeNode = routeDoc.DocumentNode;
string routeNumber = HttpUtility.HtmlDecode(StripHTML(GetParameter(routeNode.OuterHtml, "var routeNumber=\'", "\'")));
string routeName = HttpUtility.HtmlDecode(StripHTML(GetParameter(routeNode.OuterHtml, "var routeName=\'", "\'")))?.TrimStart('0');
string aDestShort = HttpUtility.HtmlDecode(StripHTML(GetParameter(routeNode.OuterHtml, "var aDestShort=\'", "\'")))?.Replace("To ", "").Trim();
string bDestShort = HttpUtility.HtmlDecode(StripHTML(GetParameter(routeNode.OuterHtml, "var bDestShort=\'", "\'")))?.Replace("To ", "").Trim();
HtmlNode daysNode = routeNode.SelectSingleNode("//*[@id=\"schedule_wrapper\"]/ul[1]");
if (daysNode == null)
{
return(new BusRoute[0]);
}
byte daysOfOperation = 0b1111100;
bool onlyWeekday = routeNode.OuterHtml.Contains("/* Hiding Saturday and Sunday buttons */");
if (!onlyWeekday)
{
daysOfOperation = 0b1111111;
}
int routeId = -1;
if (!int.TryParse(routeNumber, out routeId))
{
return(new BusRoute[0]);
}
BusRoute toRoute = new BusRoute();
toRoute.RouteName = routeName;
toRoute.RouteNumber = routeId;
toRoute.FromName = aDestShort;
toRoute.ToName = bDestShort;
toRoute.DaysOfOperation = daysOfOperation;
string toCsv = GetRouteTableCSV(routeNumber, true);
BusRouteStop[] routeStops = GetBusStops(toRoute, toCsv);
toRoute.Stops = routeStops;
BusRoute fromRoute = new BusRoute();
fromRoute.RouteName = routeName;
fromRoute.RouteNumber = routeId;
fromRoute.FromName = bDestShort;
fromRoute.ToName = aDestShort;
fromRoute.DaysOfOperation = daysOfOperation;
string fromCsv = GetRouteTableCSV(routeNumber, false);
BusRouteStop[] fromStopData = GetBusStops(fromRoute, fromCsv);
fromRoute.Stops = fromStopData;
return(new BusRoute[]
{
toRoute,
fromRoute
});
}
