Add HealthBridge iOS app for intelligent health data synchronization
Complete implementation of a SwiftUI iOS app that serves as a "Single Source of Truth" for health data. The app reads from all Apple Health sources, detects conflicts between devices, merges data using configurable strategies, and writes cleaned data back. Features: - Phase 1: HealthKit integration with automatic source discovery - Phase 2: DataReader with conflict detection (time-window based) - Phase 3: RuleEngine with 8 merge strategies (exclusive, priority, higher wins, etc.) - Phase 4: MergeEngine for conflict resolution + DataWriter for HealthKit writes - Phase 5: SwiftUI UI for dashboard, conflicts, rules, and sources management - Phase 6: Background sync with configurable intervals and push notifications - Phase 7: Complete rule editor and polished UI components Supported data types: - Steps, Heart Rate, Blood Pressure, SpO2, Sleep - Distance, Floors Climbed, Active Energy, HRV, Respiratory Rate Architecture: SourceManager -> DataReader -> RuleEngine -> MergeEngine -> DataWriter
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Claude
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import Foundation
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import HealthKit
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// MARK: - Health Data Type
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enum HealthDataType: String, CaseIterable, Codable, Identifiable {
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case steps = "steps"
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case heartRate = "heart_rate"
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case bloodPressureSystolic = "blood_pressure_systolic"
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case bloodPressureDiastolic = "blood_pressure_diastolic"
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case bloodOxygen = "blood_oxygen"
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case sleep = "sleep"
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case distance = "distance"
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case floorsClimbed = "floors_climbed"
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case activeEnergy = "active_energy"
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case restingHeartRate = "resting_heart_rate"
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case heartRateVariability = "hrv"
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case respiratoryRate = "respiratory_rate"
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var id: String { rawValue }
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var displayName: String {
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switch self {
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case .steps: return "Schritte"
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case .heartRate: return "Herzfrequenz"
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case .bloodPressureSystolic: return "Blutdruck (Systolisch)"
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case .bloodPressureDiastolic: return "Blutdruck (Diastolisch)"
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case .bloodOxygen: return "Blutsauerstoff (SpO2)"
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case .sleep: return "Schlaf"
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case .distance: return "Distanz"
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case .floorsClimbed: return "Stockwerke"
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case .activeEnergy: return "Aktive Energie"
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case .restingHeartRate: return "Ruhepuls"
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case .heartRateVariability: return "HRV"
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case .respiratoryRate: return "Atemfrequenz"
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}
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}
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var icon: String {
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switch self {
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case .steps: return "figure.walk"
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case .heartRate, .restingHeartRate: return "heart.fill"
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case .bloodPressureSystolic, .bloodPressureDiastolic: return "drop.fill"
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case .bloodOxygen: return "lungs.fill"
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case .sleep: return "bed.double.fill"
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case .distance: return "map.fill"
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case .floorsClimbed: return "stairs"
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case .activeEnergy: return "flame.fill"
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case .heartRateVariability: return "waveform.path.ecg"
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case .respiratoryRate: return "wind"
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}
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}
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var unit: String {
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switch self {
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case .steps: return "Schritte"
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case .heartRate, .restingHeartRate: return "bpm"
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case .bloodPressureSystolic, .bloodPressureDiastolic: return "mmHg"
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case .bloodOxygen: return "%"
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case .sleep: return "h"
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case .distance: return "km"
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case .floorsClimbed: return "Stockwerke"
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case .activeEnergy: return "kcal"
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case .heartRateVariability: return "ms"
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case .respiratoryRate: return "/min"
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}
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}
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var hkQuantityType: HKQuantityType? {
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switch self {
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case .steps:
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return HKQuantityType.quantityType(forIdentifier: .stepCount)
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case .heartRate:
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return HKQuantityType.quantityType(forIdentifier: .heartRate)
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case .bloodPressureSystolic:
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return HKQuantityType.quantityType(forIdentifier: .bloodPressureSystolic)
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case .bloodPressureDiastolic:
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return HKQuantityType.quantityType(forIdentifier: .bloodPressureDiastolic)
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case .bloodOxygen:
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return HKQuantityType.quantityType(forIdentifier: .oxygenSaturation)
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case .distance:
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return HKQuantityType.quantityType(forIdentifier: .distanceWalkingRunning)
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case .floorsClimbed:
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return HKQuantityType.quantityType(forIdentifier: .flightsClimbed)
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case .activeEnergy:
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return HKQuantityType.quantityType(forIdentifier: .activeEnergyBurned)
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case .restingHeartRate:
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return HKQuantityType.quantityType(forIdentifier: .restingHeartRate)
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case .heartRateVariability:
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return HKQuantityType.quantityType(forIdentifier: .heartRateVariabilitySDNN)
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case .respiratoryRate:
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return HKQuantityType.quantityType(forIdentifier: .respiratoryRate)
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case .sleep:
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return nil // Sleep uses category type
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}
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}
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var hkCategoryType: HKCategoryType? {
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switch self {
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case .sleep:
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return HKCategoryType.categoryType(forIdentifier: .sleepAnalysis)
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default:
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return nil
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}
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}
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var hkUnit: HKUnit {
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switch self {
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case .steps, .floorsClimbed:
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return .count()
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case .heartRate, .restingHeartRate, .respiratoryRate:
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return HKUnit.count().unitDivided(by: .minute())
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case .bloodPressureSystolic, .bloodPressureDiastolic:
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return .millimeterOfMercury()
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case .bloodOxygen:
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return .percent()
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case .sleep:
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return .hour()
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case .distance:
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return .meterUnit(with: .kilo)
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case .activeEnergy:
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return .kilocalorie()
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case .heartRateVariability:
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return .secondUnit(with: .milli)
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}
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}
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/// Default primary source for this data type
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var defaultPrimarySource: SourceCategory {
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switch self {
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case .floorsClimbed:
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return .iPhone
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case .steps, .heartRate, .bloodPressureSystolic, .bloodPressureDiastolic,
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.bloodOxygen, .sleep, .distance, .activeEnergy, .restingHeartRate,
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.heartRateVariability, .respiratoryRate:
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return .watch
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}
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}
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/// Whether this data type typically has only one source
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var isExclusive: Bool {
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switch self {
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case .bloodPressureSystolic, .bloodPressureDiastolic, .bloodOxygen,
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.heartRate, .restingHeartRate, .heartRateVariability, .respiratoryRate, .sleep:
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return true
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default:
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return false
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}
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}
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}
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// MARK: - Source Category
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enum SourceCategory: String, Codable, CaseIterable {
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case iPhone = "iphone"
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case watch = "watch"
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case thirdPartyWatch = "third_party_watch"
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case thirdPartyApp = "third_party_app"
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case healthBridge = "health_bridge"
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case unknown = "unknown"
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var displayName: String {
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switch self {
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case .iPhone: return "iPhone"
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case .watch: return "Apple Watch"
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case .thirdPartyWatch: return "Drittanbieter-Watch"
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case .thirdPartyApp: return "Drittanbieter-App"
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case .healthBridge: return "HealthBridge"
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case .unknown: return "Unbekannt"
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}
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}
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var icon: String {
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switch self {
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case .iPhone: return "iphone"
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case .watch: return "applewatch"
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case .thirdPartyWatch: return "applewatch.side.right"
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case .thirdPartyApp: return "app.badge"
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case .healthBridge: return "arrow.triangle.2.circlepath"
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case .unknown: return "questionmark.circle"
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}
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}
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var priority: Int {
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switch self {
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case .healthBridge: return 100
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case .watch: return 80
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case .thirdPartyWatch: return 70
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case .iPhone: return 50
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case .thirdPartyApp: return 30
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case .unknown: return 0
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}
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}
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}
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// MARK: - Data Quality
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enum DataQuality: String, Codable {
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case complete = "complete"
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case partial = "partial"
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case missing = "missing"
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case invalid = "invalid"
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var icon: String {
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switch self {
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case .complete: return "checkmark.circle.fill"
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case .partial: return "circle.lefthalf.filled"
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case .missing: return "circle.dashed"
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case .invalid: return "xmark.circle.fill"
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}
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}
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var color: String {
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switch self {
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case .complete: return "green"
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case .partial: return "yellow"
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case .missing: return "gray"
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case .invalid: return "red"
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}
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}
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}
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// MARK: - Time Window
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struct TimeWindow: Codable, Hashable, Identifiable {
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let start: Date
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let end: Date
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var id: String { "\(start.timeIntervalSince1970)-\(end.timeIntervalSince1970)" }
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var interval: DateInterval {
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DateInterval(start: start, end: end)
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}
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var duration: TimeInterval {
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end.timeIntervalSince(start)
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}
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var formattedRange: String {
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let formatter = DateFormatter()
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formatter.dateStyle = .none
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formatter.timeStyle = .short
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return "\(formatter.string(from: start)) - \(formatter.string(from: end))"
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}
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var formattedDate: String {
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let formatter = DateFormatter()
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formatter.dateStyle = .medium
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formatter.timeStyle = .none
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return formatter.string(from: start)
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}
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static func windows(for date: Date, intervalMinutes: Int = 15) -> [TimeWindow] {
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let calendar = Calendar.current
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let startOfDay = calendar.startOfDay(for: date)
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let endOfDay = calendar.date(byAdding: .day, value: 1, to: startOfDay)!
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var windows: [TimeWindow] = []
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var current = startOfDay
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while current < endOfDay {
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let windowEnd = calendar.date(byAdding: .minute, value: intervalMinutes, to: current)!
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windows.append(TimeWindow(start: current, end: min(windowEnd, endOfDay)))
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current = windowEnd
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}
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return windows
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}
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static func hourlyWindows(for date: Date) -> [TimeWindow] {
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windows(for: date, intervalMinutes: 60)
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}
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}
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