adding a period field in step options

RCTAppleHealthKit/RCTAppleHealthKit+Methods_Fitness.m

@@ -57,6 +57,7 @@
     BOOL ascending = [RCTAppleHealthKit boolFromOptions:input key:@"ascending" withDefault:false];
     NSDate *startDate = [RCTAppleHealthKit dateFromOptions:input key:@"startDate" withDefault:nil];
     NSDate *endDate = [RCTAppleHealthKit dateFromOptions:input key:@"endDate" withDefault:[NSDate date]];
+    NSUInteger period = [RCTAppleHealthKit uintFromOptions:input key:@"period" withDefault:60]; 
     if(startDate == nil){
         callback(@[RCTMakeError(@"startDate is required in options", nil, nil)]);
         return;
@@ -66,6 +67,7 @@
 
     [self fetchCumulativeSumStatisticsCollection:stepCountType
                                             unit:unit
+                                            period:period
                                        startDate:startDate
                                          endDate:endDate
                                        ascending:ascending

RCTAppleHealthKit/RCTAppleHealthKit+Queries.h

@@ -33,14 +33,20 @@
                            completion:(void (^)(NSArray *, NSError *))completion;
 - (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
                                           unit:(HKUnit *)unit
+                                          period:(NSUInteger)period
+                                     startDate:(NSDate *)startDate
+                                       endDate:(NSDate *)endDate
+                                     ascending:(BOOL)asc
+                                         limit:(NSUInteger)lim
+                                    completion:(void (^)(NSArray *, NSError *))completionHandler;
+- (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
+                                          unit:(HKUnit *)unit
+                                          period:(NSUInteger)period
                                      startDate:(NSDate *)startDate
                                        endDate:(NSDate *)endDate
                                      ascending:(BOOL)asc
                                          limit:(NSUInteger)lim
                                     completion:(void (^)(NSArray *, NSError *))completionHandler;
-
-
-
 - (void)fetchSleepCategorySamplesForPredicate:(NSPredicate *)predicate
                                    limit:(NSUInteger)lim
                                    completion:(void (^)(NSArray *, NSError *))completion;

RCTAppleHealthKit/RCTAppleHealthKit+Queries.m

@@ -453,4 +453,77 @@ NSPredicate *predicate = [NSPredicate predicateWithFormat:@"metadata.%K != YES",
     [self.healthStore executeQuery:query];
 }
 
+- (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
+                                          unit:(HKUnit *)unit
+                                          period:(NSUInteger)period
+                                     startDate:(NSDate *)startDate
+                                       endDate:(NSDate *)endDate
+                                     ascending:(BOOL)asc
+                                         limit:(NSUInteger)lim
+                                    completion:(void (^)(NSArray *, NSError *))completionHandler {
+
+    NSCalendar *calendar = [NSCalendar currentCalendar];
+    NSDateComponents *interval = [[NSDateComponents alloc] init];
+    interval.minute = period;
+
+    NSDateComponents *anchorComponents = [calendar components:NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear
+                                                     fromDate:[NSDate date]];
+    //anchorComponents.hour = 0;
+    NSDate *anchorDate = [calendar dateFromComponents:anchorComponents];
+NSPredicate *predicate = [NSPredicate predicateWithFormat:@"metadata.%K != YES", HKMetadataKeyWasUserEntered];
+    // Create the query
+    HKStatisticsCollectionQuery *query = [[HKStatisticsCollectionQuery alloc] initWithQuantityType:quantityType
+                                                                           quantitySamplePredicate:predicate
+                                                                                           options:HKStatisticsOptionCumulativeSum
+                                                                                        anchorDate:anchorDate
+                                                                                intervalComponents:interval];
+
+    // Set the results handler
+    query.initialResultsHandler = ^(HKStatisticsCollectionQuery *query, HKStatisticsCollection *results, NSError *error) {
+        if (error) {
+            // Perform proper error handling here
+            NSLog(@"*** An error occurred while calculating the statistics: %@ ***", error.localizedDescription);
+        }
+
+        NSMutableArray *data = [NSMutableArray arrayWithCapacity:1];
+
+        [results enumerateStatisticsFromDate:startDate
+                                      toDate:endDate
+                                   withBlock:^(HKStatistics *result, BOOL *stop) {
+
+                                       HKQuantity *quantity = result.sumQuantity;
+                                       if (quantity) {
+                                           NSDate *startDate = result.startDate;
+                                           NSDate *endDate = result.endDate;
+                                           double value = [quantity doubleValueForUnit:unit];
+
+                                           NSString *startDateString = [RCTAppleHealthKit buildISO8601StringFromDate:startDate];
+                                           NSString *endDateString = [RCTAppleHealthKit buildISO8601StringFromDate:endDate];
+
+                                           NSDictionary *elem = @{
+                                                   @"value" : @(value),
+                                                   @"startDate" : startDateString,
+                                                   @"endDate" : endDateString,
+                                           };
+                                           [data addObject:elem];
+                                       }
+                                   }];
+        // is ascending by default
+        if(asc == false) {
+            [RCTAppleHealthKit reverseNSMutableArray:data];
+        }
+
+        if((lim > 0) && ([data count] > lim)) {
+            NSArray* slicedArray = [data subarrayWithRange:NSMakeRange(0, lim)];
+            NSError *err;
+            completionHandler(slicedArray, err);
+        } else {
+            NSError *err;
+            completionHandler(data, err);
+        }
+    };
+
+    [self.healthStore executeQuery:query];
+}
+
 @end