From 57ee3e06c1c005f34297f9b9d1f7e6211ca30607 Mon Sep 17 00:00:00 2001
From: Robert Kaiser <kairo@kairo.at>
Date: Sun, 10 Dec 2017 21:32:24 +0100
Subject: [PATCH] add a function for loading a track from the backend

---
 js/map.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/js/map.js b/js/map.js
index 242b272..6d1a6ce 100644
--- a/js/map.js
+++ b/js/map.js
@@ -1230,6 +1230,24 @@ function clearTrack() {
   drawTrack();
 }
 
+function loadTrack(aTrackId) {
+  fetchBackend("track_json?id=" + encodeURIComponent(aTrackId), "GET", null,
+    function(aResult, aStatusCode) {
+      if (aStatusCode >= 400 || !aResult) {
+        console.log("loading track failed: " + aStatusCode + ", result: " + aResult.message);
+      }
+      else {
+        console.log("loading track with " + aResult.length + " points.");
+        gTrack = aResult;
+        for (var i = 0; i < gTrack.length; i++) {
+          try { gTrackStore.push(gTrack[i]); } catch(e) {}
+        }
+        drawTrack();
+      }
+    }
+  );
+}
+
 var gTileService = {
   objStore: "tilecache",
 
-- 
2.43.0