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RCTAppleHealthKit+Queries.m
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RCTAppleHealthKit+Queries.m
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//
// RCTAppleHealthKit+Queries.m
// RCTAppleHealthKit
//
// Created by Greg Wilson on 2016-06-26.
// This source code is licensed under the MIT-style license found in the
// LICENSE file in the root directory of this source tree.
//
#import "RCTAppleHealthKit+Queries.h"
#import "RCTAppleHealthKit+Utils.h"
@implementation RCTAppleHealthKit (Queries)
- (void)fetchMostRecentQuantitySampleOfType:(HKQuantityType *)quantityType
predicate:(NSPredicate *)predicate
completion:(void (^)(HKQuantity *, NSDate *, NSDate *, NSError *))completion {
NSSortDescriptor *timeSortDescriptor = [[NSSortDescriptor alloc]
initWithKey:HKSampleSortIdentifierEndDate
ascending:NO
];
HKSampleQuery *query = [[HKSampleQuery alloc]
initWithSampleType:quantityType
predicate:predicate
limit:1
sortDescriptors:@[timeSortDescriptor]
resultsHandler:^(HKSampleQuery *query, NSArray *results, NSError *error) {
if (!results) {
if (completion) {
completion(nil, nil, nil, error);
}
return;
}
if (completion) {
// If quantity isn't in the database, return nil in the completion block.
HKQuantitySample *quantitySample = results.firstObject;
HKQuantity *quantity = quantitySample.quantity;
NSDate *startDate = quantitySample.startDate;
NSDate *endDate = quantitySample.endDate;
completion(quantity, startDate, endDate, error);
}
}
];
[self.healthStore executeQuery:query];
}
- (void)fetchQuantitySamplesOfType:(HKQuantityType *)quantityType
unit:(HKUnit *)unit
predicate:(NSPredicate *)predicate
ascending:(BOOL)asc
limit:(NSUInteger)lim
completion:(void (^)(NSArray *, NSError *))completion {
NSSortDescriptor *timeSortDescriptor = [[NSSortDescriptor alloc] initWithKey:HKSampleSortIdentifierEndDate
ascending:asc];
// declare the block
void (^handlerBlock)(HKSampleQuery *query, NSArray *results, NSError *error);
// create and assign the block
handlerBlock = ^(HKSampleQuery *query, NSArray *results, NSError *error) {
if (!results) {
if (completion) {
completion(nil, error);
}
return;
}
if (completion) {
NSMutableArray *data = [NSMutableArray arrayWithCapacity:1];
dispatch_async(dispatch_get_main_queue(), ^{
for (HKQuantitySample *sample in results) {
HKQuantity *quantity = sample.quantity;
double value = [quantity doubleValueForUnit:unit];
NSString *startDateString = [RCTAppleHealthKit buildISO8601StringFromDate:sample.startDate];
NSString *endDateString = [RCTAppleHealthKit buildISO8601StringFromDate:sample.endDate];
NSDictionary *elem = @{
@"value" : @(value),
@"startDate" : startDateString,
@"endDate" : endDateString,
};
[data addObject:elem];
}
completion(data, error);
});
}
};
HKSampleQuery *query = [[HKSampleQuery alloc] initWithSampleType:quantityType
predicate:predicate
limit:lim
sortDescriptors:@[timeSortDescriptor]
resultsHandler:handlerBlock];
[self.healthStore executeQuery:query];
}
- (void)fetchSleepCategorySamplesForPredicate:(NSPredicate *)predicate
limit:(NSUInteger)lim
completion:(void (^)(NSArray *, NSError *))completion {
NSSortDescriptor *timeSortDescriptor = [[NSSortDescriptor alloc] initWithKey:HKSampleSortIdentifierEndDate
ascending:false];
// declare the block
void (^handlerBlock)(HKSampleQuery *query, NSArray *results, NSError *error);
// create and assign the block
handlerBlock = ^(HKSampleQuery *query, NSArray *results, NSError *error) {
if (!results) {
if (completion) {
completion(nil, error);
}
return;
}
if (completion) {
NSMutableArray *data = [NSMutableArray arrayWithCapacity:1];
dispatch_async(dispatch_get_main_queue(), ^{
for (HKCategorySample *sample in results) {
// HKCategoryType *catType = sample.categoryType;
NSInteger val = sample.value;
// HKQuantity *quantity = sample.quantity;
// double value = [quantity doubleValueForUnit:unit];
NSString *startDateString = [RCTAppleHealthKit buildISO8601StringFromDate:sample.startDate];
NSString *endDateString = [RCTAppleHealthKit buildISO8601StringFromDate:sample.endDate];
NSString *valueString;
switch (val) {
case HKCategoryValueSleepAnalysisInBed:
valueString = @"INBED";
break;
case HKCategoryValueSleepAnalysisAsleep:
valueString = @"ASLEEP";
break;
default:
valueString = @"UNKNOWN";
break;
}
NSDictionary *elem = @{
@"value" : valueString,
@"startDate" : startDateString,
@"endDate" : endDateString,
};
[data addObject:elem];
}
completion(data, error);
});
}
};
// HKSampleQuery *query = [[HKSampleQuery alloc] initWithSampleType:quantityType
// predicate:predicate
// limit:lim
// sortDescriptors:@[timeSortDescriptor]
// resultsHandler:handlerBlock];
HKCategoryType *categoryType =
[HKObjectType categoryTypeForIdentifier:HKCategoryTypeIdentifierSleepAnalysis];
// HKCategorySample *categorySample =
// [HKCategorySample categorySampleWithType:categoryType
// value:value
// startDate:startDate
// endDate:endDate];
HKSampleQuery *query = [[HKSampleQuery alloc] initWithSampleType:categoryType
predicate:predicate
limit:lim
sortDescriptors:@[timeSortDescriptor]
resultsHandler:handlerBlock];
[self.healthStore executeQuery:query];
}
- (void)fetchCorrelationSamplesOfType:(HKQuantityType *)quantityType
unit:(HKUnit *)unit
predicate:(NSPredicate *)predicate
ascending:(BOOL)asc
limit:(NSUInteger)lim
completion:(void (^)(NSArray *, NSError *))completion {
NSSortDescriptor *timeSortDescriptor = [[NSSortDescriptor alloc] initWithKey:HKSampleSortIdentifierEndDate
ascending:asc];
// declare the block
void (^handlerBlock)(HKSampleQuery *query, NSArray *results, NSError *error);
// create and assign the block
handlerBlock = ^(HKSampleQuery *query, NSArray *results, NSError *error) {
if (!results) {
if (completion) {
completion(nil, error);
}
return;
}
if (completion) {
NSMutableArray *data = [NSMutableArray arrayWithCapacity:1];
dispatch_async(dispatch_get_main_queue(), ^{
for (HKCorrelation *sample in results) {
NSString *startDateString = [RCTAppleHealthKit buildISO8601StringFromDate:sample.startDate];
NSString *endDateString = [RCTAppleHealthKit buildISO8601StringFromDate:sample.endDate];
NSDictionary *elem = @{
@"correlation" : sample,
@"startDate" : startDateString,
@"endDate" : endDateString,
};
[data addObject:elem];
}
completion(data, error);
});
}
};
HKSampleQuery *query = [[HKSampleQuery alloc] initWithSampleType:quantityType
predicate:predicate
limit:lim
sortDescriptors:@[timeSortDescriptor]
resultsHandler:handlerBlock];
[self.healthStore executeQuery:query];
}
- (void)fetchSumOfSamplesTodayForType:(HKQuantityType *)quantityType
unit:(HKUnit *)unit
completion:(void (^)(double, NSError *))completionHandler {
NSPredicate *predicate = [RCTAppleHealthKit predicateForSamplesToday];
HKStatisticsQuery *query = [[HKStatisticsQuery alloc] initWithQuantityType:quantityType
quantitySamplePredicate:predicate
options:HKStatisticsOptionCumulativeSum
completionHandler:^(HKStatisticsQuery *query, HKStatistics *result, NSError *error) {
HKQuantity *sum = [result sumQuantity];
if (completionHandler) {
double value = [sum doubleValueForUnit:unit];
completionHandler(value, error);
}
}];
[self.healthStore executeQuery:query];
}
- (void)fetchSumOfSamplesOnDayForType:(HKQuantityType *)quantityType
unit:(HKUnit *)unit
day:(NSDate *)day
completion:(void (^)(double, NSDate *, NSDate *, NSError *))completionHandler {
NSPredicate *predicate = [RCTAppleHealthKit predicateForSamplesOnDay:day];
HKStatisticsQuery *query = [[HKStatisticsQuery alloc] initWithQuantityType:quantityType
quantitySamplePredicate:predicate
options:HKStatisticsOptionCumulativeSum
completionHandler:^(HKStatisticsQuery *query, HKStatistics *result, NSError *error) {
HKQuantity *sum = [result sumQuantity];
NSDate *startDate = result.startDate;
NSDate *endDate = result.endDate;
if (completionHandler) {
double value = [sum doubleValueForUnit:unit];
completionHandler(value,startDate, endDate, error);
}
}];
[self.healthStore executeQuery:query];
}
- (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
unit:(HKUnit *)unit
startDate:(NSDate *)startDate
endDate:(NSDate *)endDate
completion:(void (^)(NSArray *, NSError *))completionHandler {
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *interval = [[NSDateComponents alloc] init];
interval.day = 1;
NSDateComponents *anchorComponents = [calendar components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear
fromDate:[NSDate date]];
anchorComponents.hour = 0;
NSDate *anchorDate = [calendar dateFromComponents:anchorComponents];
// Create the query
HKStatisticsCollectionQuery *query = [[HKStatisticsCollectionQuery alloc] initWithQuantityType:quantityType
quantitySamplePredicate:nil
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 *date = result.startDate;
double value = [quantity doubleValueForUnit:[HKUnit countUnit]];
NSLog(@"%@: %f", date, value);
NSString *dateString = [RCTAppleHealthKit buildISO8601StringFromDate:date];
NSArray *elem = @[dateString, @(value)];
[data addObject:elem];
}
}];
NSError *err;
completionHandler(data, err);
};
[self.healthStore executeQuery:query];
}
- (void)fetchCumulativeSumStatisticsCollection:(HKQuantityType *)quantityType
unit:(HKUnit *)unit
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.day = 1;
NSDateComponents *anchorComponents = [calendar components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear
fromDate:[NSDate date]];
anchorComponents.hour = 0;
NSDate *anchorDate = [calendar dateFromComponents:anchorComponents];
// Create the query
HKStatisticsCollectionQuery *query = [[HKStatisticsCollectionQuery alloc] initWithQuantityType:quantityType
quantitySamplePredicate:nil
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