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link2026
188
康康/Services/HealthProfileImportService.swift
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188
康康/Services/HealthProfileImportService.swift
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import Foundation
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import HealthKit
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struct HealthProfileImportDraft: Identifiable, Equatable {
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let id = UUID()
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var birthYear: Int?
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var biologicalSexRaw: String?
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var heightCM: Int?
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var bloodTypeRaw: String?
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var hasAnyImportableField: Bool {
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birthYear != nil ||
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biologicalSexRaw != nil ||
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heightCM != nil ||
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bloodTypeRaw != nil
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}
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func apply(to profile: UserProfile, now: Date = .now) {
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if let birthYear { profile.birthYear = birthYear }
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if let biologicalSexRaw { profile.biologicalSexRaw = biologicalSexRaw }
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if let heightCM { profile.heightCM = heightCM }
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if let bloodTypeRaw { profile.bloodTypeRaw = bloodTypeRaw }
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profile.updatedAt = now
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}
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}
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struct HealthProfileImportPreview {
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struct Field: Equatable {
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let title: String
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let current: String
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let imported: String?
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var willUpdate: Bool {
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guard let imported else { return false }
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return imported != current
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}
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}
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let birthYear: Field
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let sex: Field
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let height: Field
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let bloodType: Field
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var fields: [Field] { [birthYear, sex, height, bloodType] }
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init(draft: HealthProfileImportDraft, current profile: UserProfile) {
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birthYear = Field(
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title: String(appLoc: "出生年份"),
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current: profile.birthYear.map(String.init) ?? String(appLoc: "未设置"),
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imported: draft.birthYear.map(String.init)
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)
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sex = Field(
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title: String(appLoc: "性别"),
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current: profile.sex.label,
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imported: draft.biologicalSexRaw.map { Self.sexLabel(raw: $0) }
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)
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height = Field(
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title: String(appLoc: "身高"),
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current: profile.heightCM.map { "\($0)cm" } ?? String(appLoc: "未设置"),
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imported: draft.heightCM.map { "\($0)cm" }
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)
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bloodType = Field(
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title: String(appLoc: "血型"),
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current: profile.bloodTypeRaw.isEmpty ? String(appLoc: "未设置") : "\(profile.bloodTypeRaw)型",
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imported: draft.bloodTypeRaw.map { "\($0)型" }
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)
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}
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private static func sexLabel(raw: String) -> String {
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(UserProfile.Sex(rawValue: raw) ?? .undisclosed).label
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}
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}
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enum HealthProfileImportError: LocalizedError {
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case unavailable
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case noReadableFields
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var errorDescription: String? {
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switch self {
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case .unavailable:
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return String(appLoc: "这台设备暂不支持读取 Apple 健康资料。")
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case .noReadableFields:
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return String(appLoc: "Apple 健康里没有可导入的生日、性别、身高或血型。")
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}
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}
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}
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struct HealthProfileImportService {
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static let shared = HealthProfileImportService()
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private let store = HKHealthStore()
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func fetchDraft() async throws -> HealthProfileImportDraft {
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guard HKHealthStore.isHealthDataAvailable() else {
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throw HealthProfileImportError.unavailable
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}
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let readTypes = readObjectTypes()
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try await requestReadAuthorization(for: readTypes)
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async let birthYear = readBirthYear()
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async let sex = readBiologicalSexRaw()
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async let height = readLatestHeightCM()
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async let bloodType = readBloodTypeRaw()
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let draft = HealthProfileImportDraft(
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birthYear: try await birthYear,
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biologicalSexRaw: try await sex,
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heightCM: try await height,
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bloodTypeRaw: try await bloodType
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)
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guard draft.hasAnyImportableField else {
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throw HealthProfileImportError.noReadableFields
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}
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return draft
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}
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private func readObjectTypes() -> Set<HKObjectType> {
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var types: Set<HKObjectType> = [
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HKObjectType.characteristicType(forIdentifier: .dateOfBirth)!,
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HKObjectType.characteristicType(forIdentifier: .biologicalSex)!,
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HKObjectType.characteristicType(forIdentifier: .bloodType)!,
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]
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if let height = HKObjectType.quantityType(forIdentifier: .height) {
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types.insert(height)
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}
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return types
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}
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private func requestReadAuthorization(for readTypes: Set<HKObjectType>) async throws {
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try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
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store.requestAuthorization(toShare: [], read: readTypes) { _, error in
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if let error {
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continuation.resume(throwing: error)
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} else {
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continuation.resume()
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}
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}
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}
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}
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private func readBirthYear() throws -> Int? {
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try store.dateOfBirthComponents().year
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}
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private func readBiologicalSexRaw() throws -> String? {
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switch try store.biologicalSex().biologicalSex {
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case .female: return "female"
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case .male: return "male"
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default: return nil
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}
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}
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private func readBloodTypeRaw() throws -> String? {
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switch try store.bloodType().bloodType {
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case .aPositive, .aNegative: return "A"
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case .bPositive, .bNegative: return "B"
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case .abPositive, .abNegative: return "AB"
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case .oPositive, .oNegative: return "O"
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default: return nil
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}
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}
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private func readLatestHeightCM() async throws -> Int? {
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guard let heightType = HKObjectType.quantityType(forIdentifier: .height) else {
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return nil
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}
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let sort = NSSortDescriptor(key: HKSampleSortIdentifierEndDate, ascending: false)
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return try await withCheckedThrowingContinuation { continuation in
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let query = HKSampleQuery(
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sampleType: heightType,
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predicate: nil,
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limit: 1,
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sortDescriptors: [sort]
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) { _, samples, error in
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if let error {
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continuation.resume(throwing: error)
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return
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}
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let sample = samples?.first as? HKQuantitySample
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let cm = sample?.quantity.doubleValue(for: .meterUnit(with: .centi))
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continuation.resume(returning: cm.map { Int($0.rounded()) })
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}
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store.execute(query)
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}
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}
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}
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