public static Graph SaveGraphForFloor(MapsEntities entities, SaveGraphRequest request)
{
Floors targetFloor = entities.Floors.Find(request.FloorId);
if (targetFloor == null)
throw new ServiceException(ResponseError.FloorIdDoesNotExist);
Graphs graph = entities.Graphs.FirstOrDefault(x => x.MapId == targetFloor.MapId);
if (graph == null)
{
entities.Graphs.Add(new Graphs
{
MapId = targetFloor.MapId,
CreationTime = DateTime.Now
});
}
// Zu entfernende Knoten und Kanten löschen
if (request.DeletedGraph.Nodes != null)
{
foreach (Nodes node in
request.DeletedGraph.Nodes.Select(dNode => entities.Nodes.FirstOrDefault(x => x.Id == dNode.Id))
.Where(node => node != null))
{
entities.Nodes.Remove(node);
}
}
if (request.DeletedGraph.Edges != null)
{
foreach (
Edges edge in
request.DeletedGraph.Edges.Select(
dEdge =>
entities.Edges.FirstOrDefault(
x => x.NodeStartId == dEdge.StartNodeId && x.NodeEndId == dEdge.EndNodeId))
.Where(edge => edge != null))
{
entities.Edges.Remove(edge);
}
}
var nodeIdMap = new Dictionary<int, int>();
// Nodes in den Floor hinzufügen
if (request.NewGraph.Nodes != null)
{
foreach (Node node in request.NewGraph.Nodes)
{
var newNode = new Nodes
{
FloorId = request.FloorId,
X = node.X,
Y = node.Y,
CreationTime = DateTime.Now
};
entities.Nodes.Add(newNode);
entities.SaveChanges();
nodeIdMap.Add(node.Id, newNode.Id);
}
}
// Edges im Graph hinzufügen
if (request.NewGraph.Edges != null)
{
foreach (Edge edge in request.NewGraph.Edges)
{
int nodeIdMapStartNodeId;
if (nodeIdMap.ContainsKey(edge.StartNodeId))
nodeIdMapStartNodeId = nodeIdMap[edge.StartNodeId];
else
{
Nodes startNodeId = entities.Nodes.FirstOrDefault(x => x.Id == edge.StartNodeId);
nodeIdMapStartNodeId = startNodeId == null ? 0 : startNodeId.Id;
}
int nodeIdMapEndNodeId;
if (nodeIdMap.ContainsKey(edge.EndNodeId))
nodeIdMapEndNodeId = nodeIdMap[edge.EndNodeId];
else
{
Nodes endNodeId = entities.Nodes.FirstOrDefault(x => x.Id == edge.EndNodeId);
nodeIdMapEndNodeId = endNodeId == null ? 0 : endNodeId.Id;
}
if (graph != null)
graph.Edges.Add(new Edges
{
NodeStartId = nodeIdMapStartNodeId,
NodeEndId = nodeIdMapEndNodeId,
CreationTime = DateTime.Now
});
}
}
entities.SaveChanges();
StudMapCache.RemoveMap(targetFloor.MapId);
return GetGraphForFloor(entities, request.FloorId);
}
public ObjectResponse<Graph> SaveGraphForFloor(SaveGraphRequest request)
{
var result = new ObjectResponse<Graph>();
ExecuteMaps(entities => { result.Object = GraphService.SaveGraphForFloor(entities, request); }, result);
return result;
}
public JsonResult SaveGraphForMap(int floorId, Graph newGraph, Graph deletedGraph)
{
var mapsCtrl = new MapsController();
var request = new SaveGraphRequest
{
FloorId = floorId,
NewGraph = newGraph,
DeletedGraph = deletedGraph
};
ObjectResponse<Graph> floor = mapsCtrl.SaveGraphForFloor(request);
return Json(floor, JsonRequestBehavior.AllowGet);
}
