From 8cfd54e802ce6b186bf7014350a4a2dac1fd21a1 Mon Sep 17 00:00:00 2001
From: Scott Gilroy <scottjgilroy@gmail.com>
Date: Thu, 20 Oct 2016 22:06:29 -0400
Subject: [PATCH] Support for "nutrition.calories" and
 "nutrition.carbohydrates" in `queryAggregated()`
 [https://github.com/dariosalvi78/cordova-plugin-health/issues/17]

---
 src/android/HealthPlugin.java | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/android/HealthPlugin.java b/src/android/HealthPlugin.java
index b546098a..2708f690 100644
--- a/src/android/HealthPlugin.java
+++ b/src/android/HealthPlugin.java
@@ -648,6 +648,8 @@ private void queryAggregated(final JSONArray args, final CallbackContext callbac
             builder.aggregate(DataType.TYPE_BASAL_METABOLIC_RATE, DataType.AGGREGATE_BASAL_METABOLIC_RATE_SUMMARY);
         } else if (datatype.equalsIgnoreCase("activity")) {
             builder.aggregate(DataType.TYPE_ACTIVITY_SEGMENT, DataType.AGGREGATE_ACTIVITY_SUMMARY);
+        } else if (nutritiondatatypes.get(datatype)) {
+            builder.aggregate(DataType.TYPE_NUTRITION, DataType.AGGREGATE_NUTRITION_SUMMARY);
         } else {
             callbackContext.error("Datatype " + datatype + " not supported");
             return;
@@ -740,6 +742,9 @@ private void queryAggregated(final JSONArray args, final CallbackContext callbac
                         } else if (datatype.equalsIgnoreCase("activity")) {
                             retBucket.put("value", new JSONObject());
                             retBucket.put("unit", "activitySummary");
+                        } else if (nutritiondatatypes.get(datatype)) {
+                            // TODO: set the correct unit for each nutrition type
+                            retBucket.put("unit", "kcal");
                         }
                     }
                 }
@@ -764,6 +769,24 @@ private void queryAggregated(final JSONArray args, final CallbackContext callbac
                             float ncal = datapoint.getValue(Field.FIELD_AVERAGE).asFloat();
                             double ocal = retBucket.getDouble("value");
                             retBucket.put("value", ocal + ncal);
+                        } else if (nutritiondatatypes.get(datatype)) {
+                            Value nutrients = datapoint.getValue(Field.FIELD_NUTRIENTS);
+                            String field = null, unit = null;
+                            switch (datatype) {
+                                case "nutrition.calories":
+                                    field = Field.NUTRIENT_CALORIES;
+                                    unit = "kcal";
+                                    break;
+                                case "nutrition.carbohydrates":
+                                    field = Field.NUTRIENT_TOTAL_CARBS;
+                                    unit = "g";
+                                    break;
+                            }
+                            if (field != null) {
+                                float value = nutrients.getKeyValue(field);
+                                double total = retBucket.getDouble("value");
+                                retBucket.put("value", total + value);
+                            }
                         } else if (datatype.equalsIgnoreCase("activity")) {
                             String activity = datapoint.getValue(Field.FIELD_ACTIVITY).asActivity();
                             JSONObject actobj = retBucket.getJSONObject("value");