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 SwiftUI
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// MARK: - Date Extensions
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extension Date {
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var startOfDay: Date {
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Calendar.current.startOfDay(for: self)
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}
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var endOfDay: Date {
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Calendar.current.date(byAdding: .day, value: 1, to: startOfDay)!.addingTimeInterval(-1)
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}
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var isToday: Bool {
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Calendar.current.isDateInToday(self)
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}
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var isYesterday: Bool {
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Calendar.current.isDateInYesterday(self)
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}
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func formatted(style: DateFormatter.Style) -> String {
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let formatter = DateFormatter()
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formatter.dateStyle = style
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formatter.timeStyle = .none
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return formatter.string(from: self)
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}
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func formattedTime() -> 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: self)
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}
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func formattedRelative() -> String {
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let formatter = RelativeDateTimeFormatter()
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formatter.unitsStyle = .abbreviated
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return formatter.localizedString(for: self, relativeTo: Date())
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}
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func adding(days: Int) -> Date {
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Calendar.current.date(byAdding: .day, value: days, to: self)!
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}
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func adding(hours: Int) -> Date {
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Calendar.current.date(byAdding: .hour, value: hours, to: self)!
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}
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func adding(minutes: Int) -> Date {
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Calendar.current.date(byAdding: .minute, value: minutes, to: self)!
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}
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}
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// MARK: - Double Extensions
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extension Double {
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func formatted(decimals: Int = 1) -> String {
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String(format: "%.\(decimals)f", self)
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}
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var formattedAsInteger: String {
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String(format: "%.0f", self)
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}
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var formattedAsPercentage: String {
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String(format: "%.1f%%", self * 100)
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}
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}
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// MARK: - Array Extensions
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extension Array {
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func chunked(into size: Int) -> [[Element]] {
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stride(from: 0, to: count, by: size).map {
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Array(self[$0..<Swift.min($0 + size, count)])
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}
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}
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}
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// MARK: - Color Extensions
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extension Color {
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static let healthBridgePrimary = Color.blue
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static let healthBridgeSecondary = Color.cyan
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static let healthBridgeAccent = Color.orange
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static func forSeverity(_ severity: ConflictSeverity) -> Color {
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switch severity {
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case .minor: return .green
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case .moderate: return .yellow
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case .significant: return .orange
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case .major: return .red
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}
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}
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static func forQuality(_ quality: DataQuality) -> Color {
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switch quality {
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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: - View Extensions
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extension View {
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func cardStyle() -> some View {
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self
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.padding()
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.background(Color(.systemBackground))
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.clipShape(RoundedRectangle(cornerRadius: 12))
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.shadow(color: .black.opacity(0.05), radius: 4, y: 2)
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}
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func sectionHeader(_ title: String) -> some View {
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VStack(alignment: .leading, spacing: 8) {
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Text(title)
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.font(.headline)
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.foregroundStyle(.primary)
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self
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}
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}
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}
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// MARK: - Binding Extensions
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extension Binding {
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func onChange(_ handler: @escaping (Value) -> Void) -> Binding<Value> {
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Binding(
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get: { self.wrappedValue },
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set: { newValue in
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self.wrappedValue = newValue
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handler(newValue)
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}
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)
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}
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}
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// MARK: - Optional Extensions
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extension Optional where Wrapped == String {
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var orEmpty: String {
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self ?? ""
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}
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var isNilOrEmpty: Bool {
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self?.isEmpty ?? true
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}
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}
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// MARK: - Collection Extensions
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extension Collection {
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var isNotEmpty: Bool {
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!isEmpty
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}
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}
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@@ -0,0 +1,185 @@
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import Foundation
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import UserNotifications
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@MainActor
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class NotificationManager: ObservableObject {
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static let shared = NotificationManager()
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@Published var isAuthorized = false
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@Published var pendingNotifications: [String] = []
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private let center = UNUserNotificationCenter.current()
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private init() {
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Task {
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await checkAuthorization()
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}
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}
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// MARK: - Authorization
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func requestAuthorization() async -> Bool {
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do {
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let granted = try await center.requestAuthorization(options: [.alert, .sound, .badge])
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isAuthorized = granted
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return granted
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} catch {
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print("Notification authorization failed: \(error)")
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return false
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}
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}
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func checkAuthorization() async {
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let settings = await center.notificationSettings()
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isAuthorized = settings.authorizationStatus == .authorized
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}
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// MARK: - Conflict Notifications
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func sendConflictNotification(count: Int) async {
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guard isAuthorized else { return }
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let content = UNMutableNotificationContent()
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content.title = "HealthBridge"
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if count == 1 {
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content.body = "1 neuer Konflikt erfordert Ihre Aufmerksamkeit"
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} else {
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content.body = "\(count) neue Konflikte erfordern Ihre Aufmerksamkeit"
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}
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content.sound = .default
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content.badge = NSNumber(value: count)
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content.categoryIdentifier = "CONFLICT"
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let request = UNNotificationRequest(
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identifier: "healthbridge.conflict.\(Date().timeIntervalSince1970)",
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content: content,
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trigger: nil
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)
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do {
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try await center.add(request)
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} catch {
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print("Failed to send notification: \(error)")
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}
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}
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// MARK: - Sync Notifications
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func sendSyncCompleteNotification(
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conflictsResolved: Int,
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pendingConflicts: Int
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) async {
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guard isAuthorized else { return }
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let content = UNMutableNotificationContent()
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content.title = "Sync abgeschlossen"
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if pendingConflicts > 0 {
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content.body = "\(conflictsResolved) Konflikte gelöst, \(pendingConflicts) offen"
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} else {
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content.body = "Alle \(conflictsResolved) Konflikte wurden gelöst"
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}
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content.sound = .default
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content.categoryIdentifier = "SYNC_COMPLETE"
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let request = UNNotificationRequest(
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identifier: "healthbridge.sync.\(Date().timeIntervalSince1970)",
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content: content,
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trigger: nil
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)
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do {
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try await center.add(request)
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} catch {
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print("Failed to send notification: \(error)")
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}
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}
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// MARK: - Scheduled Notifications
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func scheduleReminder(at hour: Int, minute: Int) async {
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guard isAuthorized else { return }
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let content = UNMutableNotificationContent()
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content.title = "HealthBridge Erinnerung"
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content.body = "Vergessen Sie nicht, Ihre Gesundheitsdaten zu synchronisieren"
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content.sound = .default
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var dateComponents = DateComponents()
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dateComponents.hour = hour
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dateComponents.minute = minute
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let trigger = UNCalendarNotificationTrigger(dateMatching: dateComponents, repeats: true)
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let request = UNNotificationRequest(
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identifier: "healthbridge.reminder.daily",
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content: content,
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trigger: trigger
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)
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do {
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try await center.add(request)
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} catch {
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print("Failed to schedule reminder: \(error)")
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}
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}
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func cancelReminder() {
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center.removePendingNotificationRequests(withIdentifiers: ["healthbridge.reminder.daily"])
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}
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// MARK: - Badge Management
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func clearBadge() async {
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do {
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try await center.setBadgeCount(0)
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} catch {
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print("Failed to clear badge: \(error)")
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}
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}
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func updateBadge(count: Int) async {
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do {
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try await center.setBadgeCount(count)
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} catch {
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print("Failed to update badge: \(error)")
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}
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}
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// MARK: - Notification Categories
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func registerCategories() {
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// Conflict category with actions
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let resolveAction = UNNotificationAction(
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identifier: "RESOLVE_AUTO",
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title: "Automatisch lösen",
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options: []
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)
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let viewAction = UNNotificationAction(
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identifier: "VIEW_CONFLICTS",
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title: "Anzeigen",
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options: [.foreground]
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)
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let conflictCategory = UNNotificationCategory(
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identifier: "CONFLICT",
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actions: [resolveAction, viewAction],
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intentIdentifiers: [],
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options: []
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)
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// Sync complete category
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let syncCategory = UNNotificationCategory(
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identifier: "SYNC_COMPLETE",
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actions: [viewAction],
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intentIdentifiers: [],
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options: []
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)
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center.setNotificationCategories([conflictCategory, syncCategory])
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}
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}
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