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Merge pull request #8 from Ornament-Health/feat/statistics
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RCTAppleHealthKit/RCTAppleHealthKit+Methods_MedianStatistics.h
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| #import "RCTAppleHealthKit.h" | ||
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| @interface RCTAppleHealthKit (Methods_MedianStatistics) | ||
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| - (void)statistics_getMedianStatistic:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback; | ||
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| @end |
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RCTAppleHealthKit/RCTAppleHealthKit+Methods_MedianStatistics.m
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| #import "RCTAppleHealthKit+Methods_MedianStatistics.h" | ||
| #import "RCTAppleHealthKit+TypesForMedianStatistic.h" | ||
| #import "RCTAppleHealthKit+Queries.h" | ||
| #import "RCTAppleHealthKit+Utils.h" | ||
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| #import <React/RCTLog.h> | ||
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| @implementation RCTAppleHealthKit (RTCAppleHealthKit_Methods_MedianStatistics) | ||
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| // MARK: - Public | ||
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| - (void)statistics_getMedianStatistic:(NSDictionary *)input callback:(RCTResponseSenderBlock)callback { | ||
| NSArray<__kindof NSString *> *types = [RCTAppleHealthKit typesFromOptions:input]; | ||
| if (types.count == 0) { | ||
| callback(@[RCTMakeError(@"RNHealth: No data types provided", nil, nil)]); | ||
| return; | ||
| } | ||
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| NSDate *startDate = [NSDate dateWithTimeIntervalSince1970:0]; | ||
| NSDate *endDate = [NSDate date]; | ||
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| NSMutableArray *output = [NSMutableArray new]; | ||
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| // prepare object from input values | ||
| NSMutableDictionary *validSamples = [NSMutableDictionary new]; | ||
| for(NSString *sampleName in types) { | ||
| HKSampleType *sampleValue =(HKSampleType *)[self getObjectFromText:sampleName]; | ||
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| if ([sampleValue isKindOfClass:[HKCharacteristicType class]]) { | ||
| NSLog(@"RNHealth: Could not load data for HKCharacteristicType: %@", sampleName); | ||
| continue; | ||
| } | ||
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| if (sampleValue != nil) { | ||
| validSamples[sampleName] = sampleValue; | ||
| } else { | ||
| NSLog(@"RNHealth: Could not load data for type: %@", sampleName); | ||
| continue; | ||
| } | ||
| } | ||
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| NSOperationQueue *queue = [[NSOperationQueue alloc] init]; | ||
| queue.maxConcurrentOperationCount = 10; | ||
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| NSOperation *doneOperation = [[NSOperation alloc] init]; | ||
| [doneOperation setCompletionBlock:^{ | ||
| callback(@[[NSNull null], output]); | ||
| return; | ||
| }]; | ||
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| for(NSString *sampleName in [validSamples allKeys]) { | ||
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| NSBlockOperation *operation = [NSBlockOperation blockOperationWithBlock:^{ | ||
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| HKSampleType *sample = validSamples[sampleName]; | ||
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| int limit = 5000; | ||
| __block HKQueryAnchor *anchor = nil; | ||
| __block NSMutableArray<__kindof HKSample *> *resultArray = [NSMutableArray new]; | ||
| __block NSMutableArray<__kindof HKSample *> *samplesFirstByDate = [NSMutableArray new]; | ||
| __block NSMutableArray<__kindof HKSample *> *samplesLastByDate = [NSMutableArray new]; | ||
| __block BOOL hasResults = YES; | ||
| __block NSString *anchorString = nil; | ||
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| while (hasResults) { | ||
| if (anchorString != nil) { | ||
| NSData* anchorData = [[NSData alloc] initWithBase64EncodedString:anchorString options:0]; | ||
| anchor = [NSKeyedUnarchiver unarchiveObjectWithData:anchorData]; | ||
| } | ||
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| NSPredicate *predicate = [RCTAppleHealthKit predicateForAnchoredQueries:anchor startDate:startDate endDate:endDate]; | ||
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| dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); | ||
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| [self fetchBatchOfSamples:sample | ||
| predicate:predicate | ||
| anchor:anchor | ||
| limit:limit | ||
| completion:^(NSDictionary *results, NSError *error) { | ||
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| if (results) { | ||
| @try { | ||
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| NSMutableArray<__kindof HKSample *> *data = results[@"data"]; | ||
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| if (data == nil) { | ||
| hasResults = NO; | ||
| NSLog(@"RNHealth getMedianStatistic: An error occured"); | ||
| dispatch_semaphore_signal(semaphore); | ||
| } | ||
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| if (([sample isKindOfClass:[HKWorkoutType class]]) && (![@"workout" isEqual:sampleName])) { | ||
| NSMutableArray<__kindof HKSample *> *dataByActivityType = [NSMutableArray new]; | ||
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| for(HKWorkout *sampleElement in data) { | ||
| NSString *type = [RCTAppleHealthKit stringForHKWorkoutActivityType:[sampleElement workoutActivityType]]; | ||
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| if ([type caseInsensitiveCompare:sampleName] == NSOrderedSame) { | ||
| [dataByActivityType addObject:sampleElement]; | ||
| } | ||
| } | ||
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| data = dataByActivityType; | ||
| } | ||
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| if (data.count > 0) { | ||
| [resultArray addObjectsFromArray:data]; | ||
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| //re-assign anchor | ||
| anchorString = results[@"anchor"]; | ||
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| // find very first and last, and save them | ||
| HKSample *firstFromFetched = [RCTAppleHealthKit firstByDateFromSamples:data]; | ||
| [samplesFirstByDate addObject:firstFromFetched]; | ||
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| HKSample *lastFromFetched = [RCTAppleHealthKit lastByDateFromSamples:data]; | ||
| [samplesLastByDate addObject:lastFromFetched]; | ||
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| } else { | ||
| hasResults = NO; | ||
| } | ||
| dispatch_semaphore_signal(semaphore); | ||
| } @catch (NSException *exception) { | ||
| hasResults = NO; | ||
| NSLog(@"RNHealth getMedianStatistic: An error occured"); | ||
| dispatch_semaphore_signal(semaphore); | ||
| } | ||
| } else { | ||
| hasResults = NO; | ||
| NSLog(@"RNHealthgetMedianStatistic: An error occured"); | ||
| dispatch_semaphore_signal(semaphore); | ||
| } | ||
| }]; | ||
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| dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER); | ||
| }; | ||
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| if (resultArray.count != 0) { | ||
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| NSMutableArray *intervalsInSecond = [NSMutableArray new]; | ||
| NSMutableArray *intervalsInDays = [NSMutableArray new]; | ||
| int i = 0; | ||
| while (i < resultArray.count - 1) | ||
| { | ||
| HKSample *first = resultArray[i]; | ||
| HKSample *second = resultArray[i + 1]; | ||
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| NSDate *startInterval = second.startDate; | ||
| NSDate *endInterval = first.endDate; | ||
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| // count median for array of interval in seconds | ||
| NSTimeInterval secondsBetween = fabs([endInterval timeIntervalSinceDate:startInterval]); | ||
| NSNumber *seconds = [NSNumber numberWithDouble:secondsBetween]; | ||
| [intervalsInSecond addObject:seconds]; | ||
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| // count median for array of interval in days | ||
| NSNumber *days = [NSNumber numberWithInteger:[RCTAppleHealthKit daysFromSeconds:startInterval endDate:endInterval]]; | ||
| [intervalsInDays addObject:days]; | ||
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| i++; | ||
| }; | ||
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| NSNumber *medianIntervalInSeconds = [RCTAppleHealthKit calculateMedian:intervalsInSecond]; | ||
| NSNumber *medianIntervalInDays = [RCTAppleHealthKit calculateMedian:intervalsInDays]; | ||
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| HKSample *firstSample = [RCTAppleHealthKit firstByDateFromSamples:samplesFirstByDate]; | ||
| HKSample *lastSample = [RCTAppleHealthKit lastByDateFromSamples:samplesLastByDate]; | ||
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| NSString *resultStartDateString = [RCTAppleHealthKit buildISO8601StringFromDate:firstSample.startDate]; | ||
| NSString *resultEndDateString = [RCTAppleHealthKit buildISO8601StringFromDate:lastSample.endDate]; | ||
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| NSMutableDictionary *response = [NSMutableDictionary dictionary]; | ||
| response[@"parameterName"] = sampleName ? sampleName : @""; | ||
| response[@"firstEntry"] = resultStartDateString ? resultStartDateString : @""; | ||
| response[@"lastEntry"] = resultEndDateString ? resultEndDateString : @""; | ||
| response[@"entryCount"] = @(resultArray.count); | ||
| response[@"medianSeconds"] = medianIntervalInSeconds ? medianIntervalInSeconds : [NSNull null]; | ||
| response[@"medianDays"] = medianIntervalInDays ? medianIntervalInDays : [NSNull null]; | ||
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| [output addObject:response]; | ||
| } | ||
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| }]; | ||
| [queue addOperation:operation]; | ||
| [doneOperation addDependency:operation]; | ||
| } | ||
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| [queue addOperation:doneOperation]; | ||
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| } | ||
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| @end |
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7 changes: 7 additions & 0 deletions
7
RCTAppleHealthKit/RCTAppleHealthKit+TypesForMedianStatistic.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| #import "RCTAppleHealthKit.h" | ||
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| @interface RCTAppleHealthKit (TypesForMedianStatistic) | ||
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| - (nullable HKSampleType *)getObjectFromText:(nonnull NSString*)key; | ||
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| @end |
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