Merge pull request #5 from nightscout/pebble-trend

test adding arrows for @jwedding
nightscout · Jun 2, 2014 · 7be8fc2 · 7be8fc2
2 parents e0228e1 + 2bfd94d
commit 7be8fc2
Showing 1 changed file with 24 additions and 1 deletion.
diff --git a/lib/pebble.js b/lib/pebble.js
@@ -1,3 +1,23 @@
+var DIRECTIONS = {
+  NONE: 0
+, DoupleUp: 1
+, SingleUp: 2
+, FortyFiveUp: 3
+, Flat: 4
+, FortyFiveDown: 5
+, SingleDown: 6
+, DoubleDown: 7
+, 'NOT COMPUTABLE': 8
+, 'RATE OUT OF RANGE': 9
+};
+
+function directionToTrend (direction) {
+  var trend = 8;
+  if (direction in DIRECTIONS) {
+    trend = DIRECTIONS[direction];
+  }
+  return trend;
+}
 
 function pebble (req, res) {
   var FORTY_MINUTES = 2400000;
@@ -16,7 +36,10 @@ function pebble (req, res) {
                 var obj = {};
                 obj.sgv = element.sgv;
                 obj.bgdelta = (last ? (last.sgv - element.sgv) : 0);
-                obj.trend = 0;
+                if ('direction' in element) {
+                  obj.trend = directionToTrend(element.direction);
+                  obj.direction = element.direction;
+                }
                 // obj.y = element.sgv;
                 // obj.x = element.date;
                 obj.datetime = element.date;