public async Task <IEnumerable <Agency> > GetAgencyList()
{
var list = await _dbHelper.GetAgencyListAsync();
if (list.Count == 0)
{
UserDialogs.Instance.ShowLoading("Loading routes from net...", MaskType.Black);
await Task.Delay(TimeSpan.FromMilliseconds(10));
var data = await _client.GetStringAsync(EndPoints.AgenciesUrl());
var doc = XDoc.LoadXml(data);
foreach (var node in doc.GetDescendantElements("agency"))
{
var agency = new Agency();
agency.Title = node.GetAttribute("title");
agency.RegionTitle = node.GetAttribute("regionTitle");
agency.Tag = node.GetAttribute("tag");
agency.Id = agency.Tag;
agency.ParentId = "NextBusSetvice";
_dbHelper.SaveAgency(agency);
list.Add(agency);
}
}
UserDialogs.Instance.HideLoading();
return(list);
}
public async Task <IEnumerable <Route> > GetRouteList(Agency agency, bool showDialogs = true)
{
var routes = new List <Route>();
//check if db has routes already
routes = await _dbHelper.GetRoutesListAsync(agency);
if (routes.Count == 0)
{
if (showDialogs)
{
UserDialogs.Instance.ShowLoading("Loading routes from net...", MaskType.Black);
}
var xml = await _client.GetStringAsync(EndPoints.RoutesUrl(agency.Tag));
var doc = XDoc.LoadXml(xml);
foreach (var node in doc.GetDescendantElements("route"))
{
var route = new Route();
route.Tag = node.GetAttribute("tag");
route.Id = $"{agency.Id}.{route.Tag}";
route.ParentId = agency.Id;
route.Title = node.GetAttribute("title");
route.AgencyTitle = agency.Title;
routes.Add(route);
route.AgencyTag = agency.Tag;
_dbHelper.SaveRoute(route);
//GetRouteDetails(route);
}
if (showDialogs)
{
UserDialogs.Instance.HideLoading();
}
}
return(routes);
}
public void GetPredictionsFromService(IList <Stop> stops)
{
foreach (var stop in stops)
{
var x = EndPoints.PredictionsUrl(stop.AgencyTag, stop.RouteTag, stop.Tag);
var xml = _client.GetStringAsync(EndPoints.PredictionsUrl(stop.AgencyTag, stop.RouteTag, stop.Tag)).Result;
var doc = XDoc.LoadXml(xml);
/*
* <prediction tripTag="7679393"
* block="9718"
* vehicle="1537"
* dirTag="N____O_F00"
* isDeparture="false" minutes="20" seconds="1220" epochTime="1503625693370" vehiclesInConsist="2"/>
*/
List <Prediction> preds = new List <Prediction>();
foreach (var predNode in doc.GetDescendantElements("prediction"))
{
var pred = new Prediction();
pred.Minutes = predNode.GetAttribute("minutes");
pred.Seconds = predNode.GetAttribute("seconds");
pred.EpochTime = predNode.GetAttribute("epochTime");
pred.IsDeparture = predNode.GetAttribute("isDeparture");
pred.DirTag = predNode.GetAttribute("dirTag");
pred.Vehicle = predNode.GetAttribute("vehicle");
pred.LocalTime = UtilsHelper.Instance.ConvertUnixTimeStamp(pred.EpochTime);
preds.Add(pred);
}
stop.Predictions.ReplaceRange(preds.OrderBy(t => Convert.ToDouble(t.EpochTime)));
stop.Prediction1 = preds.Count >= 1 ? preds[0] : null;
stop.Prediction2 = preds.Count >= 2 ? preds[1] : null;
stop.Prediction3 = preds.Count >= 3 ? preds[2] : null;
}
}
public async Task GetRouteDetails(Route route)
{
//Device.BeginInvokeOnMainThread(() => UserDialogs.Instance.ShowLoading("Configuring Details from DB...", MaskType.Black));
//UserDialogs.Instance.ShowLoading($"Configuring Details from DB...", MaskType.Black);
var count = await _dbHelper.ConfigureRoute(route);
//UserDialogs.Instance.HideLoading();
if (!route.IsConfigured)
{
UserDialogs.Instance.ShowLoading($"Configuring Details from Service", MaskType.Black);
await Task.Delay(TimeSpan.FromMilliseconds(1));
//http://webservices.nextbus.com/service/publicXMLFeed?command=routeConfig&a=sf-muni&r=N
string xml = _client.GetStringAsync(
EndPoints.RouteConfigUrl(route.AgencyTag, route.Tag)).Result;
var url = EndPoints.RouteConfigUrl(route.AgencyTag, route.Tag);
var doc = XDoc.LoadXml(xml);
var stops = new List <Stop>();
foreach (var stopNode in doc.GetDescendantElements("stop"))
{
var stop = new Stop();
stop.Lat = 0;
stop.Lon = 0;
var lat = stopNode.GetAttribute("lat");
var lon = stopNode.GetAttribute("lon");
try
{
try
{
stop.Lat = Convert.ToDouble(stopNode.GetAttribute("lat"));
stop.Lon = Convert.ToDouble(stopNode.GetAttribute("lon"));
}
catch
{
}
stop.Tag = stopNode.GetAttribute("tag");
stop.Title = stopNode.GetAttribute("title");
stop.StopId = stopNode.GetAttribute("stopId");
stop.RouteTag = route.Tag;
stop.AgencyTag = route.AgencyTag;
stop.RouteTitle = route.Title;
stop.AgencyTitle = route.AgencyTitle;
stops.Add(stop);
}
catch (Exception ex)
{
var ss = ex.Message;
}
}
//foreach (XElement directionNode in dirN
//{
//}
//directions
route.Directions.Clear();
foreach (XElement directionNode in doc.GetDescendantElements("direction"))
{
var direction = new Direction();
direction.Tag = directionNode.GetAttribute("tag");
direction.Id = $"{route.Id}.{direction.Tag}";
direction.ParentId = route.Id;
direction.Title = directionNode.GetAttribute("title");
direction.Name = directionNode.GetAttribute("name");
direction.UseForUI = directionNode.GetAttribute("useForUI");
direction.RouteTag = route.Tag;
route.Directions.Add(direction);
//get stops
direction.Stops.Clear();
var order = 1;
foreach (var stopIdNode in directionNode.Descendants())
{
var tag = stopIdNode.GetAttribute("tag");
var stop = stops.FirstOrDefault(x => x.Tag == tag);
if (stop != null)
{
stop.Id = $"{direction.Id}.{stop.Tag}";
stop.Order = order;
order++;
stop.ParentId = direction.Id;
stop.DirectionTitle = direction.Title;
stop.AgencyTitle = route.AgencyTitle;
direction.Stops.Add(stop);
stop.DirectionTag = direction.Tag;
if (stop.Tag != tag)
{
stop.OtherStops.Add(stop);
}
_dbHelper.SaveStop(stop);
}
}
_dbHelper.SaveDirection(direction);
}
//var pathXml = "<path>";
//foreach (var pathNode in doc.Descendants().Where(x => x.Name == "point"))
//{
// var geoPoint = new GeoPoint
// {
// ParentId = route.Tag,
// Lat = Convert.ToDouble(pathNode.GetAttribute("lat")),
// Lon = Convert.ToDouble(pathNode.GetAttribute("lon"))
// };
// //DbHelper.Instance.SaveEntity(geoPoint);
// route.Path.Add(geoPoint);
// pathXml += pathNode.ToString();
//}
//pathXml += "</path>";
//route.PathData = pathXml;
route.IsConfigured = true;
_dbHelper.SaveRoute(route);
UserDialogs.Instance.HideLoading();
}
//?command=predictions&a=sf-muni&r=2&s=6594&useShortTitles=true
//http://webservices.nextbus.com/service/publicXMLFeed?command=predictions&a=sf-muni&r=2&s=6594&useShortTitles=true
}
