/// <summary>
/// Get tracking device for route.
/// </summary>
/// <param name="devices">List with all tracking devices.</param>
/// <param name="route">Route which device should be found.</param>
/// <returns>Route tracking device or null if route has no device.</returns>
private TrackingDevice _GetTrackingDevice(IEnumerable <TrackingDevice> devices, Route route)
{
// Check if route has associated device.
MobileDevice device = TrackingHelper.GetDeviceByRoute(route);
if (device == null)
{
return(null);
}
// Return device.
return(_FindDevice(devices, device));
}
/// <returns>'True' if any information was sent, 'false' otherwise.</returns>
private bool _DeployRoutes(
IEnumerable <TrackingDevice> devices,
IEnumerable <Route> routes,
DateTime plannedDate)
{
Debug.Assert(devices != null);
Debug.Assert(routes != null);
plannedDate = plannedDate.Date;
var newStops = new List <DM.Stop>();
var updatedStops = new List <DM.Stop>();
var deployedRoutes = new List <Route>();
var deployedStops = new List <Stop>();
// Get all non deleted stops for current routes for planned date.
var existingStops =
_trackingService.GetNotDeletedStops(devices.Select(x => x.ServerId), plannedDate);
foreach (var route in routes)
{
// check if route has associated device
MobileDevice device = TrackingHelper.GetDeviceByRoute(route);
if (device == null)
{
continue;
}
// check if device belongs to devices with tracking id
TrackingDevice td = _FindDevice(devices, device);
if (td == null)
{
continue;
}
// Get all stops for current route.
var currentDateStops = existingStops.Where(stop => stop.DeviceID == td.ServerId);
// Get id's of non deleted stops.
var stopsToDelete = currentDateStops.
Where(stop => stop.Deleted == DM.DeletionStatus.NotDeleted).
ToDictionary(stop => stop.ObjectID);
// Get version number for sended stops.
var version = _GetNewVersion(currentDateStops);
// Prepare stops to be deployed.
var sortedStops = CommonHelpers.GetSortedStops(route);
var trackingStops = _CreateTrackingStops(
td.ServerId,
version,
plannedDate,
sortedStops);
trackingStops = trackingStops.ToList();
// Add stop to either new stops or updated stops collection.
foreach (var item in trackingStops.ToIndexed())
{
var trackingStop = item.Value;
var existingStop = stopsToDelete.Remove(trackingStop.ObjectID);
var stopsToDeploy = existingStop ? updatedStops : newStops;
stopsToDeploy.Add(trackingStop);
if (!existingStop)
{
deployedStops.Add(sortedStops[item.Index]);
}
}
// Deletes from tracking service stops which were deleted locally.
// When stop is moved to other route we treat it as a deletion from an old route
// and adding to the new one.
foreach (var stopToDelete in stopsToDelete.Values)
{
stopToDelete.Deleted = DM.DeletionStatus.Deleted;
updatedStops.Add(stopToDelete);
}
// We need a list of both new and updated stops in order to apply common properties
// like arrival delays.
var allStops = new List <DM.Stop>(trackingStops);
TrackingHelper.ApplyArrivalDelayToStops(
_solver.SolverSettings.ArriveDepartDelay, allStops);
deployedRoutes.Add(route);
}
// We must sent route settings, barriers only if we have stops to update.
if (newStops.Count > 0 || updatedStops.Count > 0)
{
// Update route settings.
var routeSettings = _SerializeRouteSettings();
_trackingService.UpdateRouteSettings(plannedDate, routeSettings);
_UpdateRouteTable(routes, devices, plannedDate);
// Update barriers for planned date.
_UpdateBarriers(plannedDate);
_trackingService.UpdateStops(newStops, updatedStops);
return(true);
}
else
{
return(false);
}
}