HealthKitHostApiImpl.swift
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import Foundation
import HealthKit
final class HealthKitHostApiImpl: HealthKitHostApi {
private let service: HealthKitService
init(service: HealthKitService = .shared) {
self.service = service
}
func getHealthServerAuthUrl(completion: @escaping (Result<String, Error>) -> Void) {
// Apple Health authorization is system-managed, not URL based.
completion(.success(""))
}
func cancelHealthAppAuthorization() throws -> Bool {
// iOS does not let apps revoke HealthKit permission programmatically.
false
}
func checkHealthAppAuthorization(completion: @escaping (Result<HealthAuthorization, Error>) -> Void) {
Task {
let authorization: HealthAuthorization
let requestStatus: HKAuthorizationRequestStatus?
if !service.isHealthDataAvailable {
requestStatus = nil
authorization = HealthAuthorization(status: -1, hasData: false)
} else {
requestStatus = await service.authorizationRequestStatus()
if requestStatus == .shouldRequest {
authorization = HealthAuthorization(status: 0, hasData: false)
} else {
let oneMonthAgo = Calendar.current.date(byAdding: .month, value: -1, to: Date())
?? Date(timeIntervalSinceNow: -30 * 24 * 60 * 60)
let hasData = await service.hasAnyReadableData(startingAt: oneMonthAgo)
authorization = HealthAuthorization(status: hasData ? 1 : 2, hasData: hasData)
}
}
DebugLogger.debugLog(
"checkHealthAppAuthorization result: requestStatus=\(String(describing: requestStatus)) status=\(authorization.status) hasData=\(authorization.hasData)"
)
completion(.success(authorization))
}
}
func requestHealthClientAuthorization(completion: @escaping (Result<Bool, Error>) -> Void) {
DebugLogger.debugLog("requestHealthClientAuthorization")
service.requestAuthorization { [service] success, error in
if let error {
DebugLogger.debugLog("requestHealthClientAuthorization error: \(error)")
completion(.failure(error))
return
}
DebugLogger.debugLog("requestHealthClientAuthorization granted: \(success)")
if success {
service.restartBackgroundObserversAfterAuthorization()
}
completion(.success(success))
}
}
}