Enable fetching basal energy (#23)

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Activity.h

@@ -10,5 +10,6 @@
 @interface RCTAppleHealthKit (Methods_Activity)
 
 - (void)activity_getActiveEnergyBurned:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
+- (void)activity_getBasalEnergyBurned:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback;
 
 @end

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Activity.m

@@ -42,4 +42,35 @@
                           }];
 }
 
+- (void)activity_getBasalEnergyBurned:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback
+{
+    HKQuantityType *basalEnergyType = [HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierBasalEnergyBurned];
+    NSDate *startDate = [RCTAppleHealthKit dateFromOptions:input key:@"startDate" withDefault:nil];
+    NSDate *endDate = [RCTAppleHealthKit dateFromOptions:input key:@"endDate" withDefault:[NSDate date]];
+    HKUnit *cal = [HKUnit kilocalorieUnit];
+    
+    if(startDate == nil){
+        callback(@[RCTMakeError(@"startDate is required in options", nil, nil)]);
+        return;
+    }
+    NSPredicate * predicate = [RCTAppleHealthKit predicateForSamplesBetweenDates:startDate endDate:endDate];
+    
+    [self fetchQuantitySamplesOfType:basalEnergyType
+                                unit:cal
+                           predicate:predicate
+                           ascending:false
+                               limit:HKObjectQueryNoLimit
+                          completion:^(NSArray *results, NSError *error) {
+                              if(results){
+                                  callback(@[[NSNull null], results]);
+                                  return;
+                              } else {
+                                  NSLog(@"error getting basal energy burned samples: %@", error);
+                                  callback(@[RCTMakeError(@"error getting basal energy burned samples", nil, nil)]);
+                                  return;
+                              }
+                          }];
+    
+}
+
 @end

RCTAppleHealthKit/RCTAppleHealthKit.m

@@ -152,6 +152,11 @@ RCT_EXPORT_METHOD(getActiveEnergyBurned:(NSDictionary *)input callback:(RCTRespo
    [self activity_getActiveEnergyBurned:input callback:callback];
 }
 
+RCT_EXPORT_METHOD(getBasalEnergyBurned:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
+{
+    [self activity_getBasalEnergyBurned:input callback:callback];
+}
+
 RCT_EXPORT_METHOD(getBodyTemperatureSamples:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback)
 {
     [self vitals_getBodyTemperatureSamples:input callback:callback];

README.md

@@ -93,6 +93,7 @@ AppleHealthKit.initHealthKit(options: Object, (err: string, results: Object) =>
       * [initStepCountObserver](https://github.com/terrillo/rn-apple-healthkit/wiki/initStepCountObserver())
     * Read Methods
       * [getActiveEnergyBurned](https://github.com/terrillo/rn-apple-healthkit/wiki/getActiveEnergyBurned())
+      * [getBasalEnergyBurned](https://github.com/terrillo/rn-apple-healthkit/wiki/getBasalEnergyBurned())
       * [getBiologicalSex](https://github.com/terrillo/rn-apple-healthkit/wiki/getBiologicalSex())
       * [getBloodGlucoseSamples](https://github.com/terrillo/rn-apple-healthkit/wiki/getbloodglucosesamples())
       * [getBloodPressureSamples](https://github.com/terrillo/rn-apple-healthkit/wiki/getbloodpressuresamples())
@@ -127,7 +128,8 @@ The available Healthkit permissions to use with `initHealthKit`
 
 | Permission             | Healthkit Identifier Type                                                                                                                                          | Read | Write |
 |------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|------|-------|
-| ActiveEnergyBurned          | [HKCharacteristicTypeIdentifierActiveEnergyBurned](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615771-activeenergyburned?language=objc)           | ✓    |       |
+| ActiveEnergyBurned     | [HKQuantityTypeIdentifierActiveEnergyBurned](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615771-activeenergyburned?language=objc)           | ✓    |       |
+| BasalEnergyBurned      | [HKQuantityTypeIdentifierBasalEnergyBurned](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615512-basalenergyburned?language=objc)           | ✓    |       |
 | BiologicalSex          | [HKCharacteristicTypeIdentifierBiologicalSex](https://developer.apple.com/reference/Healthkit/hkcharacteristictypeidentifierbiologicalsex?language=objc)           | ✓    |       |
 | BloodGlucose           | [HKQuantityTypeIdentifierBloodGlucose](https://developer.apple.com/reference/Healthkit/hkquantitytypeidentifierbloodglucose?language=objc)                         | ✓    |       |
 | BloodPressureDiastolic | [HKQuantityTypeIdentifierBloodPressureDiastolic](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifierbloodpressurediastolic?language=objc) | ✓    | ✓     |