add hr

src/Track.elm

@@ -12,6 +12,7 @@ type alias Point =
     , time : Maybe Time.Posix
     , power : Maybe Int
     , cadence : Maybe Int
+    , hr : Maybe Int
     }
 
 type alias Track =  List Point
@@ -26,12 +27,13 @@ timeDecoder = XD.andThen (\ts ->
 
 triple x y z = (x,y,z)
 
-pointDecoder = XD.map4 Point
+pointDecoder = XD.map5 Point
                (XD.map3 triple (floatAttr "lat") (floatAttr "lon")
                         (XD.maybe (path ["ele"] (single XD.float))))
                (XD.maybe (path ["time"] (single timeDecoder)))
                (XD.maybe (path ["extensions", "gpxtpx:TrackPointExtension", "pwr:PowerInWatts"] (single XD.int)))
                (XD.maybe (path ["extensions", "gpxtpx:TrackPointExtension", "gpxtpx:cad"] (single XD.int)))
+               (XD.maybe (path ["extensions", "gpxtpx:TrackPointExtension", "gpxtpx:hr"] (single XD.int)))
 
 
 gpxDecoder =

tests/Fixtures.elm

@@ -70,17 +70,20 @@ threepoints_expected  =
            (Just (Time.millisToPosix 1729669252256))
            (Just 89)
            (Just 110)
+           Nothing
       )
     , (Point
            (51.600679, -0.018179, Just 65.5)
            (Just (Time.millisToPosix 1729669255259))
            (Just 86)
            (Just 111)
+           Nothing
       )
     , (Point
            (51.600697, -0.018064, Just 66.2)
            (Just (Time.millisToPosix 1729669256231))
            (Just 86)
            (Just 111)
+           Nothing
       )
     ]

tests/TrackTest.elm

@@ -28,6 +28,19 @@ specs =
                               (_, _, ele) -> Expect.equal ele Nothing
                       Ok _ -> Expect.fail "empty list"
                       (Err f) -> Expect.fail f
+        , test "heart rate" <|
+              \_ ->
+              let
+                  xml = String.replace
+                        "</gpxtpx:TrackPointExtension>"
+                        "<gpxtpx:hr>97</gpxtpx:hr></gpxtpx:TrackPointExtension>"
+                        Fixtures.threepoints
+              in
+                  case Track.parse xml of
+                      Ok (p::pts) ->
+                          Expect.equal p.hr (Just 97)
+                      Ok _ -> Expect.fail "no points"
+                      (Err f) -> Expect.fail f
 
         , test "multiple trksegs are coalesced" <|
               \_ ->