From d407f95c53cea0dc23f972209b85b6ccadf72934 Mon Sep 17 00:00:00 2001
From: Ramin Shams <rshams@dius.com.au>
Date: Fri, 28 Jul 2023 15:05:29 +1000
Subject: [PATCH] feat: exposed bmr readings on android

---
 packages/health/README.md                     |  2 +-
 .../cachet/plugins/health/HealthPlugin.kt     | 28 +++++++++++++++++++
 packages/health/lib/src/data_types.dart       |  1 +
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/packages/health/README.md b/packages/health/README.md
index 9dd3e54f0..69de126b6 100644
--- a/packages/health/README.md
+++ b/packages/health/README.md
@@ -24,7 +24,7 @@ Note that for Android, the target phone **needs** to have [Google Fit](https://w
 | **Data Type**               | **Unit**                | **iOS** | **Android (Google Fit)** | **Android (Health Connect)** | **Comments**                           |
 | --------------------------- | ----------------------- | ------- | ------------------------ | ---------------------------- | -------------------------------------- |
 | ACTIVE_ENERGY_BURNED        | CALORIES                | yes     | yes                      | yes                          |                                        |
-| BASAL_ENERGY_BURNED         | CALORIES                | yes     |                          |                              |                                        |
+| BASAL_ENERGY_BURNED         | CALORIES                | yes     | yes                      |                              |                                        |
 | BLOOD_GLUCOSE               | MILLIGRAM_PER_DECILITER | yes     | yes                      | yes                          |                                        |
 | BLOOD_OXYGEN                | PERCENTAGE              | yes     | yes                      | yes                          |                                        |
 | BLOOD_PRESSURE_DIASTOLIC    | MILLIMETER_OF_MERCURY   | yes     | yes                      | yes                          |                                        |
diff --git a/packages/health/android/src/main/kotlin/cachet/plugins/health/HealthPlugin.kt b/packages/health/android/src/main/kotlin/cachet/plugins/health/HealthPlugin.kt
index f72ccee8d..4087c6d66 100644
--- a/packages/health/android/src/main/kotlin/cachet/plugins/health/HealthPlugin.kt
+++ b/packages/health/android/src/main/kotlin/cachet/plugins/health/HealthPlugin.kt
@@ -78,6 +78,7 @@ class HealthPlugin(private var channel: MethodChannel? = null) :
     private var STEPS = "STEPS"
     private var AGGREGATE_STEP_COUNT = "AGGREGATE_STEP_COUNT"
     private var ACTIVE_ENERGY_BURNED = "ACTIVE_ENERGY_BURNED"
+    private var BASAL_ENERGY_BURNED = "BASAL_ENERGY_BURNED"
     private var HEART_RATE = "HEART_RATE"
     private var BODY_TEMPERATURE = "BODY_TEMPERATURE"
     private var BLOOD_PRESSURE_SYSTOLIC = "BLOOD_PRESSURE_SYSTOLIC"
@@ -418,6 +419,7 @@ class HealthPlugin(private var channel: MethodChannel? = null) :
             STEPS -> DataType.TYPE_STEP_COUNT_DELTA
             AGGREGATE_STEP_COUNT -> DataType.AGGREGATE_STEP_COUNT_DELTA
             ACTIVE_ENERGY_BURNED -> DataType.TYPE_CALORIES_EXPENDED
+            BASAL_ENERGY_BURNED -> DataType.TYPE_BASAL_METABOLIC_RATE
             HEART_RATE -> DataType.TYPE_HEART_RATE_BPM
             BODY_TEMPERATURE -> HealthDataTypes.TYPE_BODY_TEMPERATURE
             BLOOD_PRESSURE_SYSTOLIC -> HealthDataTypes.TYPE_BLOOD_PRESSURE
@@ -442,6 +444,7 @@ class HealthPlugin(private var channel: MethodChannel? = null) :
             WEIGHT -> Field.FIELD_WEIGHT
             STEPS -> Field.FIELD_STEPS
             ACTIVE_ENERGY_BURNED -> Field.FIELD_CALORIES
+            BASAL_ENERGY_BURNED -> Field.FIELD_CALORIES
             HEART_RATE -> Field.FIELD_BPM
             BODY_TEMPERATURE -> HealthFields.FIELD_BODY_TEMPERATURE
             BLOOD_PRESSURE_SYSTOLIC -> HealthFields.FIELD_BLOOD_PRESSURE_SYSTOLIC
@@ -944,6 +947,31 @@ class HealthPlugin(private var channel: MethodChannel? = null) :
                         ),
                     )
             }
+            /*
+            BMR is not available to be retrieved for every day (although it is reflected in Google Fit energy calcs for every single day)
+            Thus, a specific case is defined below for handling BMR, with "1" provided as startDate to the setTimeRange method.
+            A limit of "1" is also set through setLimit, to only get the latest value.
+            Note:
+                According to Google's documentation, since "the recorded BMR is instantaneous, the start time should not be set.".
+                However, startTime is oddly enough a required property. 
+            */
+            DataType.TYPE_BASAL_METABOLIC_RATE -> {
+                Fitness.getHistoryClient(activity!!.applicationContext, googleSignInAccount)
+                .readData(
+                    DataReadRequest.Builder()
+                    .read(dataType)
+                    .setTimeRange(1, endTime, TimeUnit.MILLISECONDS)
+                    .setLimit(1)
+                    .build()
+                )
+                .addOnSuccessListener(threadPoolExecutor!!, dataHandler(dataType, field, result))
+                .addOnFailureListener(
+                    errHandler(
+                        result,
+                        "There was an error getting BMR data!"
+                    ),
+                )
+            }
             else -> {
                 Fitness.getHistoryClient(context!!.applicationContext, googleSignInAccount)
                     .readData(
diff --git a/packages/health/lib/src/data_types.dart b/packages/health/lib/src/data_types.dart
index 22efdfad5..25f05ecbb 100644
--- a/packages/health/lib/src/data_types.dart
+++ b/packages/health/lib/src/data_types.dart
@@ -113,6 +113,7 @@ const List<HealthDataType> _dataTypeKeysIOS = [
 /// List of data types available on Android
 const List<HealthDataType> _dataTypeKeysAndroid = [
   HealthDataType.ACTIVE_ENERGY_BURNED,
+  HealthDataType.BASAL_ENERGY_BURNED,
   HealthDataType.BLOOD_GLUCOSE,
   HealthDataType.BLOOD_OXYGEN,
   HealthDataType.BLOOD_PRESSURE_DIASTOLIC,