Apple Health metrics: toothbrushing as sessions per day and as minutes per day #556
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,35 @@ | ||
| import Foundation | ||
| import HealthKit | ||
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| /// tracks toothbrushing, in number of (decimal) minutes per day (daystamp) | ||
| class ToothbrushingDailyMinutesHealthKitMetric: CategoryHealthKitMetric { | ||
| private static let healthkitMetric = ["toothbrushing", "minutes-per-day"].joined(separator: "|") | ||
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| init(humanText: String = "Teethbrushing (in minutes per day)", | ||
| databaseString: String = ToothbrushingDailyMinutesHealthKitMetric.healthkitMetric, | ||
| category: HealthKitCategory = .Other) { | ||
| super.init(humanText: humanText, | ||
| databaseString: databaseString, | ||
| category: category, | ||
| hkSampleType: HKObjectType.categoryType(forIdentifier: .toothbrushingEvent)!) | ||
| } | ||
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| override func units(healthStore : HKHealthStore) async throws -> HKUnit { | ||
| HKUnit.second() | ||
| } | ||
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| override func valueInAppropriateUnits(rawValue: Double) -> Double { | ||
| // raw seconds into minutes | ||
| rawValue / 60 | ||
| } | ||
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| override func recentDataPoints(days: Int, deadline: Int, healthStore: HKHealthStore) async throws -> [any BeeDataPoint] { | ||
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Collaborator
There was a problem hiding this comment. Rather than this, can probably just implement
Contributor
Author
There was a problem hiding this comment. This was implemented for the purpose of specifying the healthkitMetric in the comment and yes, converting seconds to minutes. |
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| try await super.recentDataPoints(days: days, deadline: deadline, healthStore: healthStore) | ||
| .map { | ||
| NewDataPoint(requestid: $0.requestid, | ||
| daystamp: $0.daystamp, | ||
| value: $0.value, | ||
| comment: "Auto-entered via Apple Health (\(Self.healthkitMetric))") | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| // Part of BeeSwift. Copyright Beeminder | ||
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| import Foundation | ||
| import HealthKit | ||
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| /// tracks toothbrushing, in number of sessions per day (daystamp) | ||
| class ToothbrushingDailySessionsHealthKitMetric: CategoryHealthKitMetric { | ||
| private static let healthkitMetric = ["toothbrushing", "sessions-per-day"].joined(separator: "|") | ||
| private static let hkSampleType = HKObjectType.categoryType(forIdentifier: .toothbrushingEvent)! | ||
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| init(humanText: String = "Teethbrushing (in sessions per day)", | ||
| databaseString: String = ToothbrushingDailySessionsHealthKitMetric.healthkitMetric, | ||
| category: HealthKitCategory = .Other) { | ||
| super.init(humanText: humanText, | ||
| databaseString: databaseString, | ||
| category: category, | ||
| hkSampleType: Self.hkSampleType) | ||
| } | ||
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| override func units(healthStore : HKHealthStore) async throws -> HKUnit { | ||
| .count() | ||
| } | ||
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| override func recentDataPoints(days: Int, deadline: Int, healthStore: HKHealthStore) async throws -> [any BeeDataPoint] { | ||
| let todayDaystamp = Daystamp.now(deadline: deadline) | ||
| let startDaystamp = todayDaystamp - days | ||
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| let predicate = HKQuery.predicateForSamples(withStart: startDaystamp.start(deadline: deadline), | ||
| end: todayDaystamp.end(deadline: deadline)) | ||
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| let samples = try await queryHealthStore(healthStore, predicate: predicate) | ||
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| let dailyCounts = calculateDailyCounts(samples: samples) | ||
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| let datapoints = makeDatapoints(dailyCounts: dailyCounts, deadline: deadline) | ||
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| return datapoints | ||
| } | ||
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| func queryHealthStore(_ healthStore: HKHealthStore, predicate: NSPredicate) async throws -> [HKCategorySample] { | ||
| try await withCheckedThrowingContinuation({ (continuation: CheckedContinuation<[HKSample], Error>) in | ||
| let query = HKSampleQuery(sampleType: sampleType(), | ||
| predicate: predicate, | ||
| limit: HKObjectQueryNoLimit, | ||
| sortDescriptors: [NSSortDescriptor(key: HKSampleSortIdentifierStartDate, ascending: true)], | ||
| resultsHandler: { (query, samples, error) in | ||
| if let error { | ||
| continuation.resume(throwing: error) | ||
| } else if let samples { | ||
| continuation.resume(returning: samples) | ||
| } else { | ||
| continuation.resume(throwing: HealthKitError("HKSampleQuery did not return samples")) | ||
| } | ||
| }) | ||
| healthStore.execute(query) | ||
| }) | ||
| .compactMap { $0 as? HKCategorySample } | ||
| } | ||
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| func calculateDailyCounts(samples: [HKCategorySample]) -> [(Date, Int)] { | ||
| let calendar = Calendar.autoupdatingCurrent | ||
| let groupedByDay = Dictionary(grouping: samples, by: { sample in | ||
| calendar.startOfDay(for: sample.startDate) | ||
| }) | ||
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| let dailyCounts = groupedByDay | ||
| .map { ($0, $1.count) } | ||
| .sorted { $0.0 < $1.0 } | ||
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| return dailyCounts | ||
| } | ||
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| func makeDatapoints(dailyCounts: [(Date, Int)], deadline: Int) -> [any BeeDataPoint] { | ||
| let datapoints = dailyCounts.map({ (date, numberOfEntries) in | ||
| let daystamp = Daystamp(fromDate: date, deadline: deadline) | ||
| let requestID = "apple-heath-" + daystamp.description | ||
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| return NewDataPoint(requestid: requestID, | ||
| daystamp: daystamp, | ||
| value: NSNumber(value: numberOfEntries), | ||
| comment: "Auto-entered via Apple Health (\(Self.healthkitMetric))") | ||
| }) | ||
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| return datapoints | ||
| } | ||
| } |
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