From e83c330ac52e18f69d839e2f242cac19770e5233 Mon Sep 17 00:00:00 2001
From: vcoppe <vianney.coppe@gmail.com>
Date: Fri, 26 Apr 2024 22:35:42 +0200
Subject: [PATCH] surface

---
 gpx/src/gpx.ts                                | 13 +++++++++
 website/src/lib/components/routing/Routing.ts | 28 ++++++++++++++++++-
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/gpx/src/gpx.ts b/gpx/src/gpx.ts
index 815ea213..77dbb721 100644
--- a/gpx/src/gpx.ts
+++ b/gpx/src/gpx.ts
@@ -503,6 +503,19 @@ export class TrackPoint {
     getSurface(): string {
         return this.extensions && this.extensions["gpxtpx:TrackPointExtension"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"].surface ? this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"].surface : undefined;
     }
+
+    setSurface(surface: string): void {
+        if (!this.extensions) {
+            this.extensions = {};
+        }
+        if (!this.extensions["gpxtpx:TrackPointExtension"]) {
+            this.extensions["gpxtpx:TrackPointExtension"] = {};
+        }
+        if (!this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"]) {
+            this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] = {};
+        }
+        this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"]["surface"] = surface;
+    }
 };
 
 export class Waypoint {
diff --git a/website/src/lib/components/routing/Routing.ts b/website/src/lib/components/routing/Routing.ts
index 66ef7e2e..28ee6ffb 100644
--- a/website/src/lib/components/routing/Routing.ts
+++ b/website/src/lib/components/routing/Routing.ts
@@ -42,6 +42,14 @@ async function getRoute(points: Coordinates[], brouterProfile: string, privateRo
 
     let route: TrackPoint[] = [];
     let coordinates = geojson.features[0].geometry.coordinates;
+    let messages = geojson.features[0].properties.messages;
+
+    const lngIdx = messages[0].indexOf("Longitude");
+    const latIdx = messages[0].indexOf("Latitude");
+    const tagIdx = messages[0].indexOf("WayTags");
+    let messageIdx = 1;
+    let surface = getSurface(messages[messageIdx][tagIdx]);
+
     for (let i = 0; i < coordinates.length; i++) {
         let coord = coordinates[i];
         route.push(new TrackPoint({
@@ -51,7 +59,25 @@ async function getRoute(points: Coordinates[], brouterProfile: string, privateRo
             },
             ele: coord[2] ?? undefined
         }));
+        route[route.length - 1].setSurface(surface)
+
+        if (messageIdx < messages.length &&
+            coordinates[i][0] == Number(messages[messageIdx][lngIdx]) / 1000000 &&
+            coordinates[i][1] == Number(messages[messageIdx][latIdx]) / 1000000) {
+            messageIdx++;
+
+            if (messageIdx == messages.length) surface = "missing";
+            else surface = getSurface(messages[messageIdx][tagIdx]);
+        }
     }
 
     return route;
-}
\ No newline at end of file
+}
+
+function getSurface(message: string): string {
+    const fields = message.split(" ");
+    for (let i = 0; i < fields.length; i++) if (fields[i].startsWith("surface=")) {
+        return fields[i].substring(8);
+    }
+    return "unknown";
+};
\ No newline at end of file