private void ShowStopDetails(RouteStopsListItemViewModel routeStopViewModel)
{
if (routeStopViewModel.Stops.Count > 1)
{
var routeStopListNavParam = new RouteStopListNavParam();
foreach (var routeStop in routeStopViewModel.Stops)
{
routeStopListNavParam.RouteStops.Add(new RouteStopListItem(routeStop.Id, routeStop.Name, routeStop.Description));
}
this.ShowViewModel <SetRouteStopViewModel>(new { stops = JsonConvert.SerializeObject(routeStopListNavParam) });
}
else
{
var routeStop = routeStopViewModel.Stops.First();
this.ShowViewModel <RouteStopViewModel>(new
{
id = routeStop.Id,
name = routeStop.Name,
description = routeStop.Description
});
}
}
private void OnRouteStopListReceived(Task <IEnumerable <RouteStop> > getRouteStopsTask)
{
try
{
this.Dispatcher.RequestMainThreadAction(() =>
{
lock (_lockObject)
{
var location = _locationService.GetLastLocation();
foreach (var stopsGroup in getRouteStopsTask.Result.GroupBy(x => x.Name))
{
var routeStopList = stopsGroup.ToList();
var clusters = new List <List <RouteStop> >();
if (routeStopList.Count > 1)
{
var stopsGraphEdges = new List <RouteStopsGraphEdge>();
for (int i = 0; i < routeStopList.Count - 1; i++)
{
for (int j = i + 1; j < routeStopList.Count; j++)
{
stopsGraphEdges.Add(new RouteStopsGraphEdge
{
FirstStop = routeStopList[i],
SecondStop = routeStopList[j],
Length = routeStopList[i].Location.Position.DistanceTo(routeStopList[j].Location.Position) * 1000
});
}
}
stopsGraphEdges = stopsGraphEdges.OrderBy(x => x.Length).ToList();
var shortestEdge = stopsGraphEdges.FirstOrDefault(x => x.Length <= 250.0d);
if (shortestEdge != null)
{
clusters.Add(new List <RouteStop> {
shortestEdge.FirstStop, shortestEdge.SecondStop
});
stopsGraphEdges.Remove(shortestEdge);
}
else
{
clusters.Add(new List <RouteStop> {
stopsGraphEdges.First().FirstStop
});
clusters.Add(new List <RouteStop> {
stopsGraphEdges.First().SecondStop
});
stopsGraphEdges.RemoveAt(0);
}
foreach (var edge in stopsGraphEdges)
{
var firstNodeCluster = clusters.FirstOrDefault(x => x.Contains(edge.FirstStop));
var secondNodeCluster = clusters.FirstOrDefault(x => x.Contains(edge.SecondStop));
if (firstNodeCluster == secondNodeCluster)
{
continue;
}
if (edge.Length <= 250.0d)
{
if (firstNodeCluster != null && secondNodeCluster != null)
{
clusters.Remove(secondNodeCluster);
firstNodeCluster.AddRange(secondNodeCluster);
}
if (firstNodeCluster == null && secondNodeCluster == null)
{
clusters.Add(new List <RouteStop> {
edge.FirstStop, edge.SecondStop
});
}
firstNodeCluster?.Add(edge.SecondStop);
secondNodeCluster?.Add(edge.FirstStop);
}
else
{
if (firstNodeCluster != null && secondNodeCluster != null)
{
continue;
}
if (firstNodeCluster == null && secondNodeCluster == null)
{
clusters.Add(new List <RouteStop> {
edge.FirstStop
});
clusters.Add(new List <RouteStop> {
edge.SecondStop
});
}
if (firstNodeCluster != null)
{
clusters.Add(new List <RouteStop> {
edge.SecondStop
});
}
if (secondNodeCluster != null)
{
clusters.Add(new List <RouteStop> {
edge.FirstStop
});
}
}
}
}
else
{
clusters.Add(routeStopList);
}
foreach (var cluster in clusters)
{
var vm = new RouteStopsListItemViewModel(stopsGroup.Key, cluster);
vm.CalculateDistanceCommand.Execute(location);
_allStops.Add(vm);
}
}
_allStops = _allStops.OrderBy(vm => vm.DistanceInMeters).ToList();
}
this.Filter(this.FilterSting);
});
}
catch (Exception e)
{
Insights.Report(e);
}
finally
{
this.Dispatcher.RequestMainThreadAction(() => this.IsBusy = false);
}
}