public virtual RouteSearchResult SearchRoute(string from, string to, DayType daytype)
{
var instance = DBModel.GetInstance();
var fromStation = instance.Stations.Where(c => c.Key == from).Select(c => c.Value).SingleOrDefault();
var toStation = instance.Stations.Where(c => c.Key == to).Select(c => c.Value).SingleOrDefault();
if (fromStation == null || toStation == null)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.NotFound));
}
var result = new RouteSearchResult()
{
FromStation = new StationIdNamePair() { Id = from, Name = fromStation.Name, Yomi = fromStation.Yomi },
ToStation = new StationIdNamePair() { Id = to, Name = toStation.Name, Yomi = toStation.Yomi },
QueryDayType = daytype
};
result.Routes = (from busSet in
fromStation.Buses.Where(c => c.DayType == daytype)
.Join(toStation.Buses, f => f.BusId, t => t.BusId, (f, t) => new { From = f, To = t })
let bus = instance.Buses[busSet.From.BusId]
let line = instance.Lines.GetDataFromDayType(daytype)[bus.LineId]
where line.Stations.IndexOf(@from) < line.Stations.LastIndexOf(to)
let dept = Commons.ConvertToTimeSpan(busSet.From.DeptTime)
let arr = Commons.ConvertToTimeSpan(busSet.To.DeptTime)
where dept <= arr
let time = Commons.ConvertToString(Commons.DiffTimespan(dept, arr))
select new Route()
{
Pathes = new List<Path>()
{
new Path()
{
DeptNode = new Node() { Station = result.FromStation, Time = busSet.From.DeptTime },
ArrNode = new Node() { Station = result.ToStation, Time = busSet.To.DeptTime },
Method = TransferMethod.Bus,
Line = new LineNameInfo() { Id = bus.LineId, Name = line.Name, Number = line.Number },
BusId = busSet.From.BusId,
Time = time
}
},
Rank = 1.0,
TotalDeptTime = busSet.From.DeptTime,
TotalArrTime = busSet.To.DeptTime,
TransferCount = 0,
TotalTime = time
}).ToList();
return result;
}
public virtual RouteSearchResult SearchRoute(string from, string to, DayType daytype,RouteSeachMethod method = RouteSeachMethod.DepartureBase, string queryTime = null, int count = 5)
{
var instance = DBModel.GetInstance();
// deptがnullなら現在時刻
TimeSpan baseTime = DateTime.Now.TimeOfDay;
if (queryTime != null && queryTime != String.Empty)
{
baseTime = Commons.ConvertToTimeSpan(queryTime);
if (baseTime == TimeSpan.Zero)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.BadRequest));
}
}
else
{
method = RouteSeachMethod.DepartureBase;
}
var fromStation = instance.Stations.Where(c => c.Key == from).Select(c => c.Value).SingleOrDefault();
var toStation = instance.Stations.Where(c => c.Key == to).Select(c => c.Value).SingleOrDefault();
if (fromStation == null || toStation == null)
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.NotFound));
}
var result = new RouteSearchResult()
{
FromStation = new StationIdNamePair() { Id = from, Name = fromStation.Name, Yomi = fromStation.Yomi },
ToStation = new StationIdNamePair() { Id = to, Name = toStation.Name, Yomi = toStation.Yomi },
QueryDayType = daytype,
QueryMethod = method,
QueryTime = Commons.ConvertToString(baseTime)
};
IEnumerable<Tuple<BusDeptTimeInfo, BusDeptTimeInfo>> tempSource = null;
if (method == RouteSeachMethod.DepartureBase)
{
// 発検索 -> fromの発車時刻がクエリとして与えられた時刻よりも新しい
tempSource = fromStation.Buses.Where(c => c.DayType == daytype && Commons.ConvertToTimeSpan(c.DeptTime) >= baseTime)
.Join(toStation.Buses, f => f.BusId, t => t.BusId, (f, t) => new Tuple<BusDeptTimeInfo, BusDeptTimeInfo>(f, t));
}
else
{
// 着検索 -> toの発車時刻がクエリとして与えられた時刻よりも古い
tempSource = toStation.Buses.Where(c => c.DayType == daytype && Commons.ConvertToTimeSpan(c.DeptTime) <= baseTime)
.Join(fromStation.Buses, t => t.BusId, f => f.BusId, (t, f) => new Tuple<BusDeptTimeInfo, BusDeptTimeInfo>(f, t));
}
// 発と着の順番を考慮
var tempRoute = (from busSet in tempSource
let bus = instance.Buses[busSet.Item1.BusId]
let line = instance.Lines.GetDataFromDayType(daytype)[bus.LineId]
where line.Stations.IndexOf(@from) < line.Stations.LastIndexOf(to) select new Tuple<BusDeptTimeInfo,BusDeptTimeInfo,Bus,Line>(busSet.Item1,busSet.Item2, bus, line));
// -> 最初から見つかったもの と 最後に見つかったものを比較すれば、最低でも行けることは保証（最短かどうかは除いて） *1
// 提案コスト検索
IEnumerable<Route> tempResult = null;
if (method == RouteSeachMethod.DepartureBase)
{
tempResult = (from route in tempRoute
let deptTime = Commons.ConvertToTimeSpan(route.Item1.DeptTime)
let arrTime = Commons.ConvertToTimeSpan(route.Item2.DeptTime)
where deptTime <= arrTime // *1の個所では最初と最後をとったが、このDeptInfoが必ず順序が保証されているとは限らない(*1は路線情報で判断)
let costTime = Commons.DiffTimespan(deptTime, arrTime)
orderby costTime descending // 2番目のクエリ：所要時間 (3番目のクエリ：TransferCount)
orderby deptTime ascending // 1番目のクエリ：到着時間が近い順
let costTimeStr = Commons.ConvertToString(costTime)
select new Route()
{
Pathes = new List<Path>()
{
new Path()
{
DeptNode = new Node() { Station = result.FromStation, Time = route.Item1.DeptTime },
ArrNode = new Node() { Station = result.ToStation, Time = route.Item2.DeptTime },
Method = TransferMethod.Bus,
Line = new LineNameInfo() { Id = route.Item3.LineId, Name = route.Item4.Name, Number = route.Item4.Number },
BusId = route.Item1.BusId,
Time = costTimeStr
}
},
Rank = 1.0,
TotalDeptTime = route.Item1.DeptTime,
TotalArrTime = route.Item2.DeptTime,
TransferCount = 0,
TotalTime = costTimeStr
}).Select((n, ind) =>
{
n.Rank = ind;
return n;
});
}
else
{
tempResult = (from route in tempRoute
let deptTime = Commons.ConvertToTimeSpan(route.Item1.DeptTime)
let arrTime = Commons.ConvertToTimeSpan(route.Item2.DeptTime)
where deptTime <= arrTime // *1の個所では最初と最後をとったが、このDeptInfoが必ず順序が保証されているとは限らない(*1は路線情報で判断)
let costTime = Commons.DiffTimespan(deptTime, arrTime)
orderby costTime descending // 2番目のクエリ：所要時間 (3番目のクエリ：TransferCount)
orderby deptTime descending // 1番目のクエリ：到着時間が近い順
let costTimeStr = Commons.ConvertToString(costTime)
select new Route()
{
Pathes = new List<Path>()
{
new Path()
{
DeptNode = new Node() { Station = result.FromStation, Time = route.Item1.DeptTime },
ArrNode = new Node() { Station = result.ToStation, Time = route.Item2.DeptTime },
Method = TransferMethod.Bus,
Line = new LineNameInfo() { Id = route.Item3.LineId, Name = route.Item4.Name, Number = route.Item4.Number },
BusId = route.Item1.BusId,
Time = costTimeStr
}
},
Rank = 1.0,
TotalDeptTime = route.Item1.DeptTime,
TotalArrTime = route.Item2.DeptTime,
TransferCount = 0,
TotalTime = costTimeStr
}).Select((n, ind) =>
{
n.Rank = ind;
return n;
});
}
if (count == -1 || count <= 0)
{
result.Routes = tempResult.ToList();
}
else
{
result.Routes = tempResult.Take(count).ToList();
}
return result;
}
private async void DriveRouteSearchTest(string cityCode, string searchName, string searchEndName)
{
POISearchOption pst = new POISearchOption();
pst.SearchName = searchName;
pst.CityCode = cityCode;
POISearchOption ped = new POISearchOption();
ped.SearchName = searchEndName;
ped.CityCode = cityCode;
POISearchResult iopStart = await POISearch.PoiSearchWithOption(pst); //查起点坐标
POISearchResult iopEnd = await POISearch.PoiSearchWithOption(ped); //查终点坐标
if (iopStart.Erro != null || iopStart.POIs == null)
{
MessageDialog msd = new MessageDialog(iopStart.Erro.Message);
this.Dispatcher.RunAsync(CoreDispatcherPriority.Low, () =>
{
msd.ShowAsync();
});
return;
}
if (iopEnd.Erro != null || iopEnd.POIs == null)
{
MessageDialog msd = new MessageDialog(iopStart.Erro.Message);
this.Dispatcher.RunAsync(CoreDispatcherPriority.Low, () =>
{
msd.ShowAsync();
});
return;
}
POI poist = Enumerable.First <POI>(iopStart.POIs);
POI poied = Enumerable.First <POI>(iopEnd.POIs);
RouteSearchOption rgo = new RouteSearchOption();
rgo.X1 = poist.X;
rgo.Y1 = poist.Y;
rgo.X2 = poied.X;
rgo.Y2 = poied.Y;
RouteSearchResult rgcs = await RouteSearch.RouteSearchWithOption(rgo);
if (rgcs.Erro != null)
{
MessageDialog msd = new MessageDialog("查询公交失败！" + rgcs.Erro.Message, "提示");
this.Dispatcher.RunAsync(CoreDispatcherPriority.Low, () =>
{
msd.ShowAsync();
});
return;
}
else
{
this.Dispatcher.RunAsync(CoreDispatcherPriority.High, () =>
{
ALngLat lnglatst = new ALngLat(poist.X, poist.Y);
AMarker poiMarkerst = new AMarker();
poiMarkerst.IconURI = new Uri("/Samples/qd.png", UriKind.Relative);
poiMarkerst.LngLat = lnglatst;
ATip tipst = new ATip();
tipst.Title = poist.Name;
tipst.ContentText = poist.Address;
poiMarkerst.TipFrameworkElement = tipst;
map.Children.Add(poiMarkerst);
ALngLat lnglated = new ALngLat(poied.X, poied.Y);
AMarker poiMarkered = new AMarker();
poiMarkered.IconURI = new Uri("/Samples/zd.png", UriKind.Relative);
poiMarkered.LngLat = lnglated;
ATip tiped = new ATip();
tiped.Title = poied.Name;
tiped.ContentText = poied.Address;
poiMarkered.TipFrameworkElement = tiped;
map.Children.Add(poiMarkered);
APolyline pol = new APolyline();
pol.LineThickness = 5;
ObservableCollection <ALngLat> lnglatRoute = new ObservableCollection <ALngLat>(); //线路坐标
IEnumerable <String> lnglatstring;
IEnumerable <RouteSegment> rsegment = rgcs.Segment;
foreach (RouteSegment rs in rsegment)
{
lnglatstring = rs.Coor.Split(new Char[] { ';' });
foreach (String ss in lnglatstring)
{
String[] lnglatds = ss.Split(new Char[] { ',' });
lnglatRoute.Add(new ALngLat(Double.Parse(lnglatds[0]), Double.Parse(lnglatds[1])));
}
}
pol.LngLats = lnglatRoute;
markLayer.Children.Add(pol);
map.SetOverlaysFitView();
});
}
}