Support for coordinates in via search

application/src/ext/java/org/opentripplanner/ext/restapi/resources/PlannerResource.java

@@ -18,8 +18,6 @@
 import org.opentripplanner.ext.restapi.model.ElevationMetadata;
 import org.opentripplanner.ext.restapi.model.TripPlannerResponse;
 import org.opentripplanner.framework.application.OTPRequestTimeoutException;
-import org.opentripplanner.routing.api.request.RouteRequest;
-import org.opentripplanner.routing.api.response.RoutingResponse;
 import org.opentripplanner.routing.error.RoutingValidationException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -62,14 +60,12 @@ public Response plan(@Context UriInfo uriInfo, @Context Request grizzlyRequest)
 
     // Create response object, containing a copy of all request parameters. Maybe they should be in the debug section of the response.
     TripPlannerResponse response = new TripPlannerResponse(uriInfo);
-    RouteRequest request = null;
-    RoutingResponse res = null;
     try {
       /* Fill in request fields from query parameters via shared superclass method, catching any errors. */
-      request = super.buildRequest(uriInfo.getQueryParameters());
+      var request = super.buildRequest(uriInfo.getQueryParameters());
 
       // Route
-      res = serverContext.routingService().route(request);
+      var res = serverContext.routingService().route(request);
 
       // Map to API
       // TODO VIA (Leonard) - we should store the default showIntermediateStops somewhere

application/src/main/java/org/opentripplanner/apis/transmodel/mapping/TripViaLocationMapper.java

@@ -8,14 +8,17 @@
 import java.util.Map;
 import java.util.Objects;
 import javax.annotation.Nullable;
+import org.opentripplanner.apis.transmodel.model.framework.CoordinateInputType;
 import org.opentripplanner.apis.transmodel.model.plan.TripQuery;
 import org.opentripplanner.apis.transmodel.model.plan.ViaLocationInputType;
 import org.opentripplanner.apis.transmodel.support.OneOfInputValidator;
+import org.opentripplanner.framework.geometry.WgsCoordinate;
 import org.opentripplanner.routing.api.request.via.PassThroughViaLocation;
 import org.opentripplanner.routing.api.request.via.ViaLocation;
 import org.opentripplanner.routing.api.request.via.VisitViaLocation;
 import org.opentripplanner.transit.model.framework.FeedScopedId;
 
+@SuppressWarnings("unchecked")
 class TripViaLocationMapper {
 
   static List<ViaLocation> mapToViaLocations(final List<Map<String, Object>> via) {
@@ -57,7 +60,8 @@ private static VisitViaLocation mapVisitViaLocation(Map<String, Object> inputMap
     var label = (String) inputMap.get(ViaLocationInputType.FIELD_LABEL);
     var minimumWaitTime = (Duration) inputMap.get(ViaLocationInputType.FIELD_MINIMUM_WAIT_TIME);
     var stopLocationIds = mapStopLocationIds(inputMap);
-    return new VisitViaLocation(label, minimumWaitTime, stopLocationIds, List.of());
+    var coordinate = mapCoordinate(inputMap);
+    return new VisitViaLocation(label, minimumWaitTime, stopLocationIds, coordinate);
   }
 
   private static PassThroughViaLocation mapPassThroughViaLocation(Map<String, Object> inputMap) {
@@ -68,14 +72,14 @@ private static PassThroughViaLocation mapPassThroughViaLocation(Map<String, Obje
 
   private static List<FeedScopedId> mapStopLocationIds(Map<String, Object> map) {
     var c = (Collection<String>) map.get(ViaLocationInputType.FIELD_STOP_LOCATION_IDS);
+    return c == null ? List.of() : c.stream().map(TransitIdMapper::mapIDToDomain).toList();
+  }
 
-    // When coordinates are added, we need to accept null here...
-    if (c == null) {
-      throw new IllegalArgumentException(
-        "'" + ViaLocationInputType.FIELD_STOP_LOCATION_IDS + "' is not set!"
-      );
-    }
-    return c.stream().map(TransitIdMapper::mapIDToDomain).toList();
+  private static List<WgsCoordinate> mapCoordinate(Map<String, Object> map) {
+    return CoordinateInputType
+      .mapToWgsCoordinate(ViaLocationInputType.FIELD_COORDINATE, map)
+      .map(List::of)
+      .orElseGet(List::of);
   }
 
   /**

application/src/main/java/org/opentripplanner/apis/transmodel/model/framework/CoordinateInputType.java

@@ -4,28 +4,58 @@
 import graphql.schema.GraphQLInputObjectField;
 import graphql.schema.GraphQLInputObjectType;
 import graphql.schema.GraphQLNonNull;
+import java.util.Map;
+import java.util.Optional;
+import org.opentripplanner.framework.geometry.WgsCoordinate;
 
+@SuppressWarnings("unchecked")
 public class CoordinateInputType {
 
+  /* Constants are package local to be used in unit-tests */
+  static final String LATITUDE = "latitude";
+  static final String LONGITUDE = "longitude";
+
   public static final GraphQLInputObjectType INPUT_TYPE = GraphQLInputObjectType
     .newInputObject()
     .name("InputCoordinates")
     .description("Input type for coordinates in the WGS84 system")
     .field(
       GraphQLInputObjectField
         .newInputObjectField()
-        .name("latitude")
+        .name(LATITUDE)
         .description("The latitude of the place.")
         .type(new GraphQLNonNull(Scalars.GraphQLFloat))
         .build()
     )
     .field(
       GraphQLInputObjectField
         .newInputObjectField()
-        .name("longitude")
+        .name(LONGITUDE)
         .description("The longitude of the place.")
         .type(new GraphQLNonNull(Scalars.GraphQLFloat))
         .build()
     )
     .build();
+
+  public static Optional<WgsCoordinate> mapToWgsCoordinate(
+    String fieldName,
+    Map<String, Object> input
+  ) {
+    Map<String, Object> coordinate = (Map<String, Object>) input.get(fieldName);
+
+    if (coordinate == null) {
+      return Optional.empty();
+    }
+
+    return Optional.of(
+      new WgsCoordinate((Double) coordinate.get(LATITUDE), (Double) coordinate.get(LONGITUDE))
+    );
+  }
+
+  public static Map<String, Object> mapForTest(WgsCoordinate coordinate) {
+    return Map.ofEntries(
+      Map.entry(LATITUDE, coordinate.latitude()),
+      Map.entry(LONGITUDE, coordinate.longitude())
+    );
+  }
 }

application/src/main/java/org/opentripplanner/apis/transmodel/model/plan/ViaLocationInputType.java

@@ -9,6 +9,7 @@
 import graphql.schema.GraphQLList;
 import graphql.schema.GraphQLNonNull;
 import java.time.Duration;
+import org.opentripplanner.apis.transmodel.model.framework.CoordinateInputType;
 import org.opentripplanner.apis.transmodel.model.framework.TransmodelScalars;
 
 public class ViaLocationInputType {
@@ -25,8 +26,6 @@ public class ViaLocationInputType {
     on-board visit does not count, the traveler must alight or board at the given stop for it to to
     be accepted. To visit a coordinate, the traveler must walk(bike or drive) to the closest point
     in the street network from a stop and back to another stop to join the transit network.
-
-    NOTE! Coordinates are NOT supported yet.
     """;
   private static final String DOC_PASS_THROUGH_VIA_LOCATION =
     """
@@ -44,9 +43,8 @@ be accepted. To visit a coordinate, the traveler must walk(bike or drive) to the
   public static final String FIELD_LABEL = "label";
   public static final String FIELD_MINIMUM_WAIT_TIME = "minimumWaitTime";
   public static final String FIELD_STOP_LOCATION_IDS = "stopLocationIds";
+  public static final String FIELD_COORDINATE = "coordinate";
 
-  // TODO : Add coordinates
-  //private static final String FIELD_COORDINATES = "coordinates";
   public static final String FIELD_VISIT = "visit";
   public static final String DOC_FIELD_VISIT =
     "Board or alight at a stop location or visit a coordinate.";
@@ -68,6 +66,7 @@ be accepted. To visit a coordinate, the traveler must walk(bike or drive) to the
     stop place or a group of stop places. It is enough to visit ONE of the locations
     listed.
     """;
+  private static final String DOC_COORDINATE = "A coordinate to route through.";
 
   static final GraphQLInputObjectType VISIT_VIA_LOCATION_INPUT = GraphQLInputObjectType
     .newInputObject()
@@ -85,11 +84,11 @@ be accepted. To visit a coordinate, the traveler must walk(bike or drive) to the
       b
         .name(FIELD_STOP_LOCATION_IDS)
         .description(DOC_STOP_LOCATION_IDS)
-        .type(requiredListOfNonNullStrings())
+        .type(optionalListOfNonNullStrings())
+    )
+    .field(b ->
+      b.name(FIELD_COORDINATE).description(DOC_COORDINATE).type(CoordinateInputType.INPUT_TYPE)
     )
-    /*
-      TODO: Add support for coordinates
-       */
     .build();
 
   static final GraphQLInputObjectType PASS_THROUGH_VIA_LOCATION_INPUT = GraphQLInputObjectType
@@ -121,6 +120,10 @@ be accepted. To visit a coordinate, the traveler must walk(bike or drive) to the
     .build();
 
   private static GraphQLInputType requiredListOfNonNullStrings() {
-    return new GraphQLNonNull(new GraphQLList(new GraphQLNonNull(GraphQLString)));
+    return new GraphQLNonNull(optionalListOfNonNullStrings());
+  }
+
+  private static GraphQLInputType optionalListOfNonNullStrings() {
+    return new GraphQLList(new GraphQLNonNull(GraphQLString));
   }
 }

application/src/main/java/org/opentripplanner/graph_builder/module/DirectTransferGenerator.java

@@ -197,17 +197,17 @@ public void buildGraph() {
    * whether the graph has a street network and if ConsiderPatternsForDirectTransfers feature is
    * enabled.
    */
-  private NearbyStopFinder createNearbyStopFinder(Duration radiusByDuration) {
+  private NearbyStopFinder createNearbyStopFinder(Duration radiusAsDuration) {
     var transitService = new DefaultTransitService(timetableRepository);
     NearbyStopFinder finder;
     if (!graph.hasStreets) {
       LOG.info(
         "Creating direct transfer edges between stops using straight line distance (not streets)..."
       );
-      finder = new StraightLineNearbyStopFinder(transitService, radiusByDuration);
+      finder = new StraightLineNearbyStopFinder(transitService, radiusAsDuration);
     } else {
       LOG.info("Creating direct transfer edges between stops using the street network from OSM...");
-      finder = new StreetNearbyStopFinder(radiusByDuration, 0, null);
+      finder = new StreetNearbyStopFinder(radiusAsDuration, 0, null);
     }
 
     if (OTPFeature.ConsiderPatternsForDirectTransfers.isOn()) {

application/src/main/java/org/opentripplanner/graph_builder/module/OsmBoardingLocationsModule.java

@@ -18,7 +18,6 @@
 import org.opentripplanner.graph_builder.model.GraphBuilderModule;
 import org.opentripplanner.routing.graph.Graph;
 import org.opentripplanner.routing.graph.index.StreetIndex;
-import org.opentripplanner.routing.linking.LinkingDirection;
 import org.opentripplanner.routing.linking.VertexLinker;
 import org.opentripplanner.service.osminfo.OsmInfoGraphBuildService;
 import org.opentripplanner.service.osminfo.model.Platform;
@@ -27,6 +26,7 @@
 import org.opentripplanner.street.model.edge.AreaEdge;
 import org.opentripplanner.street.model.edge.BoardingLocationToStopLink;
 import org.opentripplanner.street.model.edge.Edge;
+import org.opentripplanner.street.model.edge.LinkingDirection;
 import org.opentripplanner.street.model.edge.StreetEdge;
 import org.opentripplanner.street.model.edge.StreetEdgeBuilder;
 import org.opentripplanner.street.model.edge.StreetTransitStopLink;
@@ -212,7 +212,7 @@ private boolean connectVertexToWay(TransitStopVertex ts, StreetIndex index) {
       for (var vertex : linker.linkToSpecificStreetEdgesPermanently(
         boardingLocation,
         new TraverseModeSet(TraverseMode.WALK),
-        LinkingDirection.BOTH_WAYS,
+        LinkingDirection.BIDIRECTIONAL,
         platformEdgeList.getValue().stream().map(StreetEdge.class::cast).collect(Collectors.toSet())
       )) {
         linkBoardingLocationToStop(ts, stop.getCode(), vertex);
@@ -243,7 +243,7 @@ private boolean connectVertexToNode(TransitStopVertex ts, StreetIndex index) {
           linker.linkVertexPermanently(
             boardingLocation,
             new TraverseModeSet(TraverseMode.WALK),
-            LinkingDirection.BOTH_WAYS,
+            LinkingDirection.BIDIRECTIONAL,
             (osmBoardingLocationVertex, splitVertex) ->
               getConnectingEdges(boardingLocation, osmBoardingLocationVertex, splitVertex)
           );

application/src/main/java/org/opentripplanner/graph_builder/module/StreetLinkerModule.java

@@ -10,11 +10,11 @@
 import org.opentripplanner.graph_builder.issues.ParkAndRideEntranceRemoved;
 import org.opentripplanner.graph_builder.model.GraphBuilderModule;
 import org.opentripplanner.routing.graph.Graph;
-import org.opentripplanner.routing.linking.LinkingDirection;
 import org.opentripplanner.service.vehicleparking.VehicleParkingRepository;
 import org.opentripplanner.service.vehicleparking.model.VehicleParking;
 import org.opentripplanner.service.vehicleparking.model.VehicleParkingHelper;
 import org.opentripplanner.street.model.edge.Edge;
+import org.opentripplanner.street.model.edge.LinkingDirection;
 import org.opentripplanner.street.model.edge.StreetStationCentroidLink;
 import org.opentripplanner.street.model.edge.StreetTransitEntranceLink;
 import org.opentripplanner.street.model.edge.StreetTransitStopLink;
@@ -160,7 +160,7 @@ private void linkStopToStreetNetwork(TransitStopVertex tStop, StopLinkType linkT
       .linkVertexPermanently(
         tStop,
         WALK_ONLY,
-        LinkingDirection.BOTH_WAYS,
+        LinkingDirection.BIDIRECTIONAL,
         (transitVertex, streetVertex) -> {
           var linkEdges = createStopLinkEdges((TransitStopVertex) transitVertex, streetVertex);
 
@@ -187,7 +187,7 @@ private void linkToDriveableEdge(TransitStopVertex tStop) {
       .linkVertexPermanently(
         tStop,
         CAR_ONLY,
-        LinkingDirection.BOTH_WAYS,
+        LinkingDirection.BIDIRECTIONAL,
         (transitVertex, streetVertex) ->
           createStopLinkEdges((TransitStopVertex) transitVertex, streetVertex)
       );
@@ -213,7 +213,7 @@ private static void linkVehicleParkingWithLinker(
         .linkVertexPermanently(
           vehicleParkingVertex,
           new TraverseModeSet(TraverseMode.WALK),
-          LinkingDirection.BOTH_WAYS,
+          LinkingDirection.BIDIRECTIONAL,
           (vertex, streetVertex) ->
             List.of(
               StreetVehicleParkingLink.createStreetVehicleParkingLink(
@@ -234,7 +234,7 @@ private static void linkVehicleParkingWithLinker(
         .linkVertexPermanently(
           vehicleParkingVertex,
           new TraverseModeSet(TraverseMode.CAR),
-          LinkingDirection.BOTH_WAYS,
+          LinkingDirection.BIDIRECTIONAL,
           (vertex, streetVertex) ->
             List.of(
               StreetVehicleParkingLink.createStreetVehicleParkingLink(
@@ -258,7 +258,7 @@ private void linkTransitEntrances(Graph graph) {
         .linkVertexPermanently(
           tEntrance,
           new TraverseModeSet(TraverseMode.WALK),
-          LinkingDirection.BOTH_WAYS,
+          LinkingDirection.BIDIRECTIONAL,
           (vertex, streetVertex) ->
             List.of(
               StreetTransitEntranceLink.createStreetTransitEntranceLink(
@@ -296,7 +296,7 @@ private void linkStationCentroids(Graph graph) {
         .linkVertexPermanently(
           station,
           new TraverseModeSet(TraverseMode.WALK),
-          LinkingDirection.BOTH_WAYS,
+          LinkingDirection.BIDIRECTIONAL,
           stationAndStreetVertexLinker
         );
     }

application/src/main/java/org/opentripplanner/model/plan/StreetLeg.java

@@ -47,7 +47,7 @@ public StreetLeg(StreetLegBuilder builder) {
     this.generalizedCost = builder.getGeneralizedCost();
     this.elevationProfile = builder.getElevationProfile();
     this.legGeometry = builder.getGeometry();
-    this.walkSteps = builder.getWalkSteps();
+    this.walkSteps = Objects.requireNonNull(builder.getWalkSteps());
     this.streetNotes = Set.copyOf(builder.getStreetNotes());
     this.walkingBike = builder.getWalkingBike();
     this.rentedVehicle = builder.getRentedVehicle();

application/src/main/java/org/opentripplanner/model/plan/StreetLegBuilder.java

@@ -3,6 +3,7 @@
 import java.time.ZonedDateTime;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import org.locationtech.jts.geom.LineString;
 import org.opentripplanner.street.model.note.StreetNote;
@@ -19,7 +20,7 @@ public class StreetLegBuilder {
   private int generalizedCost;
   private LineString geometry;
   private ElevationProfile elevationProfile;
-  private List<WalkStep> walkSteps;
+  private List<WalkStep> walkSteps = List.of();
   private Boolean walkingBike;
   private Boolean rentedVehicle;
   private String vehicleRentalNetwork;
@@ -157,7 +158,7 @@ public StreetLegBuilder withElevationProfile(ElevationProfile elevationProfile)
   }
 
   public StreetLegBuilder withWalkSteps(List<WalkStep> walkSteps) {
-    this.walkSteps = walkSteps;
+    this.walkSteps = Objects.requireNonNull(walkSteps);
     return this;
   }