public async Task Handle(RouteSegmentLocationChanged request, CancellationToken token)
{
_logger.LogInformation($"Starting {nameof(RouteSegmentLocationChangedHandler)}");
var geometryModifiedEvent = _routeSegmentEventFactory.CreateGeometryModified(request.RouteSegment);
var cmdId = Guid.NewGuid();
var locationChangedCommand = new RouteNetworkCommand(nameof(RouteSegmentLocationChanged), cmdId, new List <RouteNetworkEvent> {
geometryModifiedEvent
}.ToArray());
_eventStore.Insert(locationChangedCommand);
await Task.CompletedTask;
}
public async Task Handle(RouteNodeLocationChanged request, CancellationToken token)
{
_logger.LogInformation($"Starting {nameof(RouteNodeLocationChangedHandler)}");
var intersectingSegmentsBeforeChange = (await _geoDatabase.GetIntersectingRouteSegments(request.RouteNodeBefore.Coord)).ToList();
var routeSegmentsToBeUpdated = new List <RouteSegment>();
if (intersectingSegmentsBeforeChange.Count > 0)
{
var anySegmentIntersectRouteNode = false;
foreach (var intersectingSegment in intersectingSegmentsBeforeChange)
{
var startNode = (await _geoDatabase.GetIntersectingStartRouteNodes(intersectingSegment)).FirstOrDefault();
if (startNode is null)
{
var lineString = intersectingSegment.GetLineString();
lineString.Coordinates[0] = new Coordinate(request.RouteNodeAfter.GetPoint().Coordinate);
intersectingSegment.Coord = lineString.AsBinary();
}
else
{
var lineString = intersectingSegment.GetLineString();
lineString.Coordinates[lineString.Coordinates.Count() - 1] = new Coordinate(request.RouteNodeAfter.GetPoint().Coordinate);
intersectingSegment.Coord = lineString.AsBinary();
}
anySegmentIntersectRouteNode = (await _geoDatabase.GetAllIntersectingRouteNodesNotIncludingEdges(intersectingSegment.Coord, intersectingSegment.Mrid)).Any();
if (anySegmentIntersectRouteNode)
{
break;
}
routeSegmentsToBeUpdated.Add(intersectingSegment);
}
// Rollback in case of segment intersecting with any route nodes
if (anySegmentIntersectRouteNode)
{
throw new Exception("Route segments intersects with any route nodes");
}
}
var routeNetworkEvents = new List <RouteNetworkEvent>();
var routeNodeGeometryModifiedEvent = _routeNodeEventFactory.CreateGeometryModified(request.RouteNodeAfter);
routeNetworkEvents.Add(routeNodeGeometryModifiedEvent);
for (var i = 0; i < routeSegmentsToBeUpdated.Count; i++)
{
var routeSegmentToBeUpdated = routeSegmentsToBeUpdated[i];
await _geoDatabase.UpdateRouteSegment(routeSegmentToBeUpdated);
var routeSegmentGeometryModifiedEvent = _routeSegmentEventFactory.CreateGeometryModified(routeSegmentToBeUpdated, true);
routeNetworkEvents.Add(routeSegmentGeometryModifiedEvent);
}
var cmdId = Guid.NewGuid();
var routeNodeLocationChangedCommand = new RouteNetworkCommand(nameof(RouteNodeLocationChanged), cmdId, routeNetworkEvents.ToArray());
_eventStore.Insert(routeNodeLocationChangedCommand);
}
