Exemplo n.º 1
0
        public static IEnumerable <ThreadInfo> GetLocations(ThreadManager TM, string procedure, bool hideDescs, Dictionary <string, string> query, params SqlParameter[] parameters)
        {
            var currentThread = TM.CurrentThread;

            if (query.ContainsKey("version"))
            {
                double version;
                if (Double.TryParse(query["version"], out version))
                {
                    if (version >= Program.LocationsVersion)
                    {
                        yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.NoContent)));
                    }
                }
            }

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, procedure, parameters));

            DataTable table    = TM.GetResult <DataTable>(currentThread);
            var       response = new LocationsResponse(Program.LocationsVersion);

            foreach (DataRow row in table.Rows)
            {
                var location = new Location(row, hideDescs);
                if (location.Id >= 0)
                {
                    if (location.IsMapArea())
                    {
                        yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetMapAreaCorners",
                                                   new SqlParameter("@maparea", location.Id)));

                        DataTable cornerTable = TM.GetResult <DataTable>(currentThread);
                        foreach (DataRow cornerRow in cornerTable.Rows)
                        {
                            location.MapArea.Corners.Add(new LatLong(cornerRow));
                        }
                    }
                    if (location.HasAltNames)
                    {
                        yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetLocationAltNames",
                                                   new SqlParameter("@location", location.Id)));

                        location.AddAltNames(TM.GetResult <DataTable>(currentThread));
                    }
                    if (location.HasLinks && !hideDescs)
                    {
                        yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetLocationLinks",
                                                   new SqlParameter("@location", location.Id)));

                        location.AddLinks(TM.GetResult <DataTable>(currentThread));
                    }
                    response.Locations.Add(location);
                }
            }

            response.Locations = LocationsHandler.ApplySearchFilter(query, location => location.Name, (location, name) => location.Name = name, response.Locations);

            yield return(TM.Return(currentThread, new JsonResponse(response)));
        }
Exemplo n.º 2
0
        protected override IEnumerable <ThreadInfo> HandleNoPath(ThreadManager TM, Dictionary <string, string> query, object state)
        {
            var currentThread = TM.CurrentThread;

            if (!(state is List <int>))
            {
                yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.BadRequest)));
            }

            var tags      = (List <int>)state;
            var locations = new Dictionary <int, LocationRank>();
            int order     = 0;

            foreach (int tag in tags)
            {
                yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetTaggedLocationIds",
                                           new SqlParameter("tag", tag)));

                foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
                {
                    int id = (int)row["location"];

                    if (!locations.ContainsKey(id))
                    {
                        locations[id] = new LocationRank(id, order++);
                    }
                    locations[id].AddHit((int)row["priority"]);
                }
            }

            var response = new LocationIdsResponse(locations.Values.OrderBy(x => x, new LocationRankComparer()).Select(l => l.LocId).ToList());

            yield return(TM.Return(currentThread, new JsonResponse(response)));
        }
Exemplo n.º 3
0
        public static IEnumerable <ThreadInfo> GetNames(ThreadManager TM, string procedure, Dictionary <string, string> query)
        {
            var currentThread = TM.CurrentThread;

            if (query.ContainsKey("version"))
            {
                double version;
                if (Double.TryParse(query["version"], out version))
                {
                    if (version >= Program.LocationsVersion)
                    {
                        yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.NoContent)));
                    }
                }
            }

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, procedure));

            var table    = TM.GetResult <DataTable>(currentThread);
            var response = new LocationNamesResponse(Program.LocationsVersion);

            foreach (DataRow row in table.Rows)
            {
                var location = new LocationName(row);
                if (location.Id >= 0)
                {
                    response.Names.Add(location);
                }
            }

            response.Names = LocationsHandler.ApplySearchFilter(query, locName => locName.Name, (locName, name) => locName.Name = name, response.Names);

            yield return(TM.Return(currentThread, new JsonResponse(response)));
        }
Exemplo n.º 4
0
        protected override IEnumerable <ThreadInfo> HandleNoPath(ThreadManager TM, Dictionary <string, string> query, object state)
        {
            var currentThread = TM.CurrentThread;

            if (query.ContainsKey("version"))
            {
                double version;
                if (Double.TryParse(query["version"], out version))
                {
                    if (version >= Program.TagsVersion)
                    {
                        yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.NoContent)));
                    }
                }
            }

            var response   = new TagsResponse(Program.TagsVersion);
            var categories = new Dictionary <string, TagCategory>();

            categories.Add("", response.Root);

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetTagCategories"));

            using (var table = TM.GetResult <DataTable>(currentThread)) {
                foreach (DataRow row in table.Rows)
                {
                    var category = new TagCategory(row);
                    categories[category.Parent ?? ""].Children.Add(category);
                    categories.Add(category.Name, category);
                }
            }

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetTags"));

            using (var table = TM.GetResult <DataTable>(currentThread)) {
                foreach (DataRow row in table.Rows)
                {
                    var tag = new Tag(row);
                    categories[(string)row["category"]].Tags.Add(tag);
                }
            }

            yield return(TM.Return(currentThread, new JsonResponse(response)));
        }
Exemplo n.º 5
0
        protected override IEnumerable <ThreadInfo> HandleNoPath(ThreadManager TM, Dictionary <string, string> query, object state)
        {
            var currentThread = TM.CurrentThread;

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetLocationDesc", new SqlParameter("@location", (int)state)));

            var table = TM.GetResult <DataTable>(currentThread);

            foreach (DataRow row in table.Rows)
            {
                yield return(TM.Return(currentThread, new JsonResponse(new LocationDescResponse(row))));
            }
            yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.BadRequest)));
        }
Exemplo n.º 6
0
        protected override IEnumerable <ThreadInfo> HandleNoPath(ThreadManager TM, Dictionary <string, string> query, object state)
        {
            var currentThread = TM.CurrentThread;
            var result        = new PathDataResponse(Program.LocationsVersion);

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetPaths"));

            foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
            {
                result.Paths.Add(new Path(row));
            }
            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetNodes"));

            foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
            {
                result.Nodes.Add(new Node(row));
            }
            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetPartitions"));

            foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
            {
                result.Partitions.Add(new Partition(row));
            }
            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetPartitions"));

            foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
            {
                result.Partitions.Add(new Partition(row));
            }
            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetDirectionMessages"));

            foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
            {
                result.Messages.Add(new DirectionMessage(row));
            }
            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetDirections"));

            foreach (DataRow row in TM.GetResult <DataTable>(currentThread).Rows)
            {
                var direction = new Direction(row);
                yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetDirectionPaths", new SqlParameter("direction", direction.Id)));

                foreach (DataRow pathRow in TM.GetResult <DataTable>(currentThread).Rows)
                {
                    direction.Paths.Add((int)pathRow["path"]);
                }
                result.Directions.Add(direction);
            }

            yield return(TM.Return(currentThread, new JsonResponse(result)));
        }
Exemplo n.º 7
0
        private IEnumerable <ThreadInfo> GetPartitionBoundaries(ThreadManager TM, int partition)
        {
            var currentThread = TM.CurrentThread;

            var nodes = new SortedSet <Node>(new NodeComparer());

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetPartitionBoundaries", new SqlParameter("@partition", partition)));

            using (var boundariesTable = TM.GetResult <DataTable>(currentThread)) {
                foreach (DataRow boundaryRow in boundariesTable.Rows)
                {
                    nodes.Add(new Node(boundaryRow));
                }
            }

            yield return(TM.Return(currentThread, nodes));
        }
Exemplo n.º 8
0
        private IEnumerable <ThreadInfo> GetNodePartitions(ThreadManager TM, Node node, string procedure)
        {
            var currentThread = TM.CurrentThread;

            var partitions = new SortedSet <int>();

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, procedure, new SqlParameter("@node", node.Id)));

            using (var partitionsTable = TM.GetResult <DataTable>(currentThread)) {
                foreach (DataRow partitionRow in partitionsTable.Rows)
                {
                    partitions.Add((int)partitionRow["partition"]);
                }
            }

            yield return(TM.Return(currentThread, partitions));
        }
Exemplo n.º 9
0
        protected override IEnumerable <ThreadInfo> HandleNoPath(ThreadManager TM, Dictionary <string, string> query, object state)
        {
            var currentThread  = TM.CurrentThread;
            var storedProcData = (SqlStoredProcData)state;
            var parameters     = new SqlParameter[query.Count];
            int i = 0;

            foreach (var kvp in query)
            {
                parameters[i] = new SqlParameter(kvp.Key, kvp.Value);
                i++;
            }
            yield return(TM.MakeDbCall(currentThread, Program.GetConnectionString(storedProcData.LoginData.Username, storedProcData.LoginData.Password), storedProcData.StoredProcName, parameters));

            bool success  = true;
            var  response = new StoredProcedureResponse();

            try {
                var table = TM.GetResult <DataTable>(currentThread);
                foreach (DataColumn column in table.Columns)
                {
                    response.Columns.Add(column.ColumnName);
                }
                int columns = response.Columns.Count;
                foreach (DataRow row in table.Rows)
                {
                    var rowList = new List <string>();
                    for (int j = 0; j < columns; j++)
                    {
                        rowList.Add(row.IsNull(j) ? null : row[j].ToString());
                    }
                    response.Table.Add(rowList);
                }
            } catch {
                success = false;
            }

            if (success)
            {
                yield return(TM.Return(currentThread, new JsonResponse(response)));
            }
            else
            {
                yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.BadRequest)));
            }
        }
Exemplo n.º 10
0
        protected override IEnumerable <ThreadInfo> HandleIntPath(ThreadManager TM, int value, object state)
        {
            var currentThread = TM.CurrentThread;

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetLocationDepartNode",
                                       new SqlParameter("@location", value)));

            var table = TM.GetResult <DataTable>(currentThread);

            if (table.Rows.Count > 0)
            {
                yield return(TM.Return(currentThread, new DirectionsFinder(table.Rows[0])));
            }
            else
            {
                yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.BadRequest)));
            }
        }
Exemplo n.º 11
0
        protected override IEnumerable <ThreadInfo> HandleNoPath(ThreadManager TM, Dictionary <string, string> query, object state)
        {
            var currentThread = TM.CurrentThread;
            var loginData     = (SqlLoginData)state;

            yield return(TM.MakeDbCall(currentThread, Program.GetConnectionString(loginData.Username, loginData.Password), "spTestConnection"));

            bool success = true;

            try {
                var result = TM.GetResult <DataTable>(currentThread);
                if (result.Rows.Count != 1 || (int)result.Rows[0][0] != 56)
                {
                    success = false;
                }
            } catch {
                success = false;
            }

            if (success)
            {
                var alreadyLoggedIn = AdminHandler.Logins.Where(kvp => kvp.Value.Username == loginData.Username);
                if (alreadyLoggedIn.Any())
                {
                    AdminHandler.Logins.Remove(alreadyLoggedIn.First().Key);
                }
                Guid id = Guid.NewGuid();
                while (AdminHandler.Logins.ContainsKey(id))
                {
                    id = Guid.NewGuid();
                }
                AdminHandler.Logins[id] = loginData;
                yield return(TM.Return(currentThread, new JsonResponse(new AuthenticationResponse(loginData.Expiration, id))));
            }
            else
            {
                yield return(TM.Return(currentThread, new JsonResponse(HttpStatusCode.BadRequest)));
            }
        }
Exemplo n.º 12
0
        private IEnumerable <ThreadInfo> GetDirectionMessages(ThreadManager TM)
        {
            var currentThread = TM.CurrentThread;

            for (int i = 0; i < _paths.Count; i++)
            {
                _messageFindingDone = (double)(i * i) / (double)(_paths.Count * _paths.Count);
                yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetDirection",
                                           new SqlParameter("@startpath", _paths[i].Id)));

                using (var directionTable = TM.GetResult <DataTable>(currentThread)) {
                    foreach (DataRow directionRow in directionTable.Rows)
                    {
                        yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetDirectionPaths",
                                                   new SqlParameter("@direction", (int)directionRow["id"])));

                        using (var pathTable = TM.GetResult <DataTable>(currentThread)) {
                            bool match = true;
                            int  dir   = 0;
                            int  j     = i;
                            foreach (DataRow pathRow in pathTable.Rows)
                            {
                                if (dir != 0)
                                {
                                    if (j < 0 || j >= _paths.Count || (int)pathRow["path"] != _paths[j].Id)
                                    {
                                        match = false;
                                        break;
                                    }
                                    j += dir;
                                }
                                else
                                {
                                    if (i > 0 && (int)pathRow["path"] == _paths[i - 1].Id)
                                    {
                                        dir = -1;
                                        j   = i - 2;
                                    }
                                    else if (i < _paths.Count - 1 && (int)pathRow["path"] == _paths[i + 1].Id)
                                    {
                                        dir = 1;
                                        j   = i + 2;
                                    }
                                    else
                                    {
                                        match = false;
                                        break;
                                    }
                                }
                            }
                            if (match)
                            {
                                // TODO: Deal with within's
                                bool forward = dir == 0 ? _paths[i].Forward : dir > 0;
                                int  index   = Math.Min(j - dir, i) + (int)directionRow["nodeoffset"];
                                if (forward)
                                {
                                    if (!directionRow.IsNull("message1"))
                                    {
                                        _paths[index].Dir    = (string)directionRow["message1"];
                                        _paths[index].Action = (string)directionRow["action1"];
                                    }
                                }
                                else
                                {
                                    if (!directionRow.IsNull("message1"))
                                    {
                                        _paths[index].Dir    = (string)directionRow["message2"];
                                        _paths[index].Action = (string)directionRow["action2"];
                                    }
                                }
                            }
                        }
                    }
                }
            }

            yield return(TM.Return(currentThread));
        }
Exemplo n.º 13
0
        private IEnumerable <ThreadInfo> GetShortestPath(ThreadManager TM, int to)
        {
            var currentThread = TM.CurrentThread;

            // See if the start node is already in the goal location
            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetLocationNodes", new SqlParameter("@location", to)));

            using (var table = TM.GetResult <DataTable>(currentThread)) {
                if (table.Rows.Count == 0)
                {
                    // Error - no nodes in goal location
                    yield return(TM.Return(currentThread));
                }

                foreach (DataRow row in table.Rows)
                {
                    if (new Node(row).Id == _start.Id)
                    {
                        // Already at goal
                        yield return(TM.Return(currentThread));
                    }
                }
            }

            // Get the nodes on the boundary of the goal location
            var goalNodes = new Dictionary <int, SortedSet <Node> >();

            yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetLocationBoundaryNodes", new SqlParameter("@location", to)));

            using (var table = TM.GetResult <DataTable>(currentThread)) {
                if (table.Rows.Count == 0)
                {
                    // Error - no nodes on goal location's boundary
                    yield return(TM.Return(currentThread));
                }

                foreach (DataRow row in table.Rows)
                {
                    var node = new Node(row);
                    if (!goalNodes.ContainsKey(node.Partition.Value))
                    {
                        goalNodes[node.Partition.Value] = new SortedSet <Node>(new NodeComparer());
                    }
                    goalNodes[node.Partition.Value].Add(node);
                }
            }

            // Get the possible partition paths
            Stack <PartitionPass> partitions = new Stack <PartitionPass>();

            partitions.Push(new PartitionPass(-1, _start, 0));
            yield return(TM.Await(currentThread, GetPartitionPaths(TM, partitions, goalNodes)));

            var passes = TM.GetResult <List <List <PartitionPass> > >(currentThread);

            SortedSet <TargetPath>         queue         = new SortedSet <TargetPath>(new TargetPathComparer());
            Dictionary <int, ShortestPath> shortestPaths = new Dictionary <int, ShortestPath>();

            shortestPaths[_start.Id] = new ShortestPath();
            foreach (var pass in passes)
            {
                queue.Add(new TargetPath(_start, 0, pass, queue, _settings));
            }

            while (true)
            {
                var currentPath = queue.First();

                _pathFindingDone = Math.Max(_pathFindingDone, currentPath.DistSoFar * currentPath.DistSoFar / (currentPath.BestDist * currentPath.BestDist));

                if (goalNodes.Any(kvp => kvp.Value.Contains(currentPath.CurrentNode)))
                {
                    var currentNode = currentPath.CurrentNode;
                    var prevNode    = shortestPaths[currentNode.Id].PrevNode;
                    _paths.Add(new DirectionPath(currentNode.Lat, currentNode.Lon, null, true, null, currentNode.Altitude, currentNode.Location, currentNode.Outside, shortestPaths[currentNode.Id].Id, shortestPaths[currentNode.Id].Forward));
                    while (currentNode.Id != _start.Id)
                    {
                        _paths.Insert(0, new DirectionPath(prevNode.Lat, prevNode.Lon, null, false, null, prevNode.Altitude, prevNode.Location, prevNode.Outside, shortestPaths[currentNode.Id].Id, shortestPaths[currentNode.Id].Forward));
                        currentNode = prevNode;
                        prevNode    = shortestPaths[currentNode.Id].PrevNode;
                    }
                    _paths.First().Flag = true;
                    yield return(TM.Return(currentThread));
                }

                yield return(TM.MakeDbCall(currentThread, Program.ConnectionString, "spGetPathsFromNode",
                                           new SqlParameter("@node", currentPath.CurrentNode.Id),
                                           new SqlParameter("@part", currentPath.PartitionsLeft.First().Partition)));

                using (var table = TM.GetResult <DataTable>(currentThread)) {
                    foreach (DataRow row in table.Rows)
                    {
                        var    path     = new PathToNode(row, currentPath.CurrentNode.Id, currentPath.PartitionsLeft.First().Partition);
                        double pathDist = _settings.WeightedDist(currentPath.CurrentNode, path.Node);

                        if (shortestPaths.ContainsKey(path.Node.Id))
                        {
                            if (shortestPaths[path.Node.Id].TotalDist > currentPath.DistSoFar + pathDist)
                            {
                                shortestPaths[path.Node.Id].SetPrevNode(currentPath.CurrentNode, pathDist, path.Path.Id, path.Forward, shortestPaths);
                            }
                            else if (shortestPaths[path.Node.Id].TotalDist < currentPath.DistSoFar + pathDist)
                            {
                                continue;
                            }
                            // TODO
                        }
                        else
                        {
                            shortestPaths[path.Node.Id] = new ShortestPath(currentPath.CurrentNode, pathDist, path.Path.Id, path.Forward, shortestPaths);
                            // TODO
                        }

                        if (path.Node.Id == currentPath.PartitionsLeft.First().Target.Id)
                        {
                            queue.Add(new TargetPath(path.Node, shortestPaths[path.Node.Id].TotalDist, currentPath.PartitionsLeft.Skip(1).ToList(), queue, _settings));
                        }
                        else
                        {
                            queue.Add(new TargetPath(path.Node, shortestPaths[path.Node.Id].TotalDist, currentPath.PartitionsLeft, queue, _settings));
                        }
                    }
                }

                queue.Remove(currentPath);
            }
        }