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 SwiftUI
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struct SourcesView: View {
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@StateObject private var sourceManager = SourceManager.shared
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@State private var selectedSource: HealthSource?
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@State private var isRefreshing = false
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var body: some View {
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NavigationStack {
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Group {
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if sourceManager.sources.isEmpty && !sourceManager.isDiscovering {
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emptyState
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} else {
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sourcesList
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}
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}
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.navigationTitle("Quellen")
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.toolbar {
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ToolbarItem(placement: .topBarTrailing) {
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Button {
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Task { await refreshSources() }
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} label: {
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if isRefreshing {
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ProgressView()
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.scaleEffect(0.8)
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} else {
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Image(systemName: "arrow.clockwise")
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}
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}
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.disabled(isRefreshing)
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}
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}
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.sheet(item: $selectedSource) { source in
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SourceDetailView(source: source)
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}
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.task {
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if sourceManager.sources.isEmpty {
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await refreshSources()
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}
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}
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}
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}
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// MARK: - Empty State
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private var emptyState: some View {
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VStack(spacing: 16) {
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Image(systemName: "antenna.radiowaves.left.and.right")
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.font(.system(size: 64))
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.foregroundStyle(.secondary)
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Text("Keine Quellen gefunden")
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.font(.title2)
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.fontWeight(.semibold)
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Text("Verbinden Sie Geräte mit Apple Health")
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.font(.subheadline)
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.foregroundStyle(.secondary)
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.multilineTextAlignment(.center)
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Button {
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Task { await refreshSources() }
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} label: {
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Label("Aktualisieren", systemImage: "arrow.clockwise")
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}
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.buttonStyle(.bordered)
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}
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.padding()
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}
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// MARK: - Sources List
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private var sourcesList: some View {
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List {
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ForEach(groupedSources.keys.sorted(by: { $0.priority > $1.priority }), id: \.self) { category in
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Section(category.displayName) {
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ForEach(groupedSources[category] ?? []) { source in
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SourceRow(source: source)
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.contentShape(Rectangle())
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.onTapGesture {
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selectedSource = source
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}
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}
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}
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}
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}
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.listStyle(.insetGrouped)
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.refreshable {
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await refreshSources()
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}
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}
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private var groupedSources: [SourceCategory: [HealthSource]] {
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Dictionary(grouping: sourceManager.sources, by: { $0.category })
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}
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private func refreshSources() async {
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isRefreshing = true
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defer { isRefreshing = false }
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await sourceManager.discoverSources()
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}
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}
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// MARK: - Source Row
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struct SourceRow: View {
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let source: HealthSource
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@StateObject private var sourceManager = SourceManager.shared
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var body: some View {
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HStack {
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Image(systemName: source.category.icon)
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.font(.title2)
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.foregroundStyle(.blue)
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.frame(width: 40)
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VStack(alignment: .leading, spacing: 4) {
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Text(source.displayName)
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.font(.headline)
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Text("\(source.supportedDataTypes.count) Datentypen")
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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Spacer()
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if let status = sourceManager.sourceHealthStatus[source.id] {
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Image(systemName: status.syncStatus.icon)
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.foregroundStyle(statusColor(for: status.syncStatus))
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}
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Image(systemName: "chevron.right")
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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.padding(.vertical, 4)
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}
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private func statusColor(for status: SourceHealthStatus.SyncStatus) -> Color {
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switch status {
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case .recentlySynced: return .green
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case .syncedToday: return .blue
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case .stale: return .orange
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case .veryStale, .neverSynced: return .red
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}
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}
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}
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// MARK: - Source Detail View
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struct SourceDetailView: View {
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let source: HealthSource
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@Environment(\.dismiss) private var dismiss
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@StateObject private var sourceManager = SourceManager.shared
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@State private var healthReport: SourceHealthReport?
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@State private var isLoading = false
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var body: some View {
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NavigationStack {
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ScrollView {
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VStack(spacing: 20) {
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// Header
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headerSection
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// Capabilities
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capabilitiesSection
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// Data Types
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dataTypesSection
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// Health Report
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if let report = healthReport {
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healthReportSection(report)
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}
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// Priority Settings
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prioritySection
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}
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.padding()
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}
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.navigationTitle(source.displayName)
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .confirmationAction) {
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Button("Fertig") {
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dismiss()
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}
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}
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}
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.task {
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await loadHealthReport()
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}
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}
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}
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// MARK: - Header
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private var headerSection: some View {
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VStack(spacing: 12) {
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Image(systemName: source.category.icon)
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.font(.system(size: 48))
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.foregroundStyle(.blue)
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Text(source.displayName)
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.font(.title2)
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.fontWeight(.semibold)
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Text(source.category.displayName)
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.font(.subheadline)
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.foregroundStyle(.secondary)
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Text(source.bundleIdentifier)
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.font(.caption)
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.foregroundStyle(.secondary)
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.textSelection(.enabled)
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}
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.padding()
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}
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// MARK: - Capabilities
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private var capabilitiesSection: some View {
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let capabilities = sourceManager.getSourceCapabilities(source)
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return VStack(alignment: .leading, spacing: 12) {
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Text("Fähigkeiten")
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.font(.headline)
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LazyVGrid(columns: [GridItem(.adaptive(minimum: 100))], spacing: 8) {
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CapabilityBadge(name: "Schritte", available: capabilities.canMeasureSteps)
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CapabilityBadge(name: "Herzfrequenz", available: capabilities.canMeasureHeartRate)
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CapabilityBadge(name: "Blutdruck", available: capabilities.canMeasureBloodPressure)
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CapabilityBadge(name: "SpO2", available: capabilities.canMeasureBloodOxygen)
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CapabilityBadge(name: "Schlaf", available: capabilities.canMeasureSleep)
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CapabilityBadge(name: "GPS", available: capabilities.hasGPS)
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}
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}
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.padding()
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.background(Color(.secondarySystemBackground))
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.clipShape(RoundedRectangle(cornerRadius: 12))
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}
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// MARK: - Data Types
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private var dataTypesSection: some View {
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VStack(alignment: .leading, spacing: 12) {
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Text("Unterstützte Datentypen")
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.font(.headline)
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ForEach(Array(source.supportedDataTypes).sorted(by: { $0.displayName < $1.displayName }), id: \.self) { dataType in
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HStack {
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Image(systemName: dataType.icon)
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.foregroundStyle(.blue)
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.frame(width: 24)
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Text(dataType.displayName)
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Spacer()
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Text(dataType.unit)
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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.padding(.vertical, 4)
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}
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}
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.padding()
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.background(Color(.secondarySystemBackground))
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.clipShape(RoundedRectangle(cornerRadius: 12))
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}
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// MARK: - Health Report
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private func healthReportSection(_ report: SourceHealthReport) -> some View {
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VStack(alignment: .leading, spacing: 12) {
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Text("Zustand")
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.font(.headline)
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HStack {
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VStack(alignment: .leading) {
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Text("Datensätze (24h)")
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.font(.caption)
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.foregroundStyle(.secondary)
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Text("\(report.totalRecordCount)")
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.font(.title3)
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.fontWeight(.medium)
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}
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Spacer()
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VStack(alignment: .trailing) {
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Text("Qualität")
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.font(.caption)
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.foregroundStyle(.secondary)
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Image(systemName: report.overallQuality.icon)
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.font(.title3)
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.foregroundStyle(qualityColor(report.overallQuality))
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}
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}
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if let lastActivity = report.lastOverallActivity {
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HStack {
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Text("Letzte Aktivität")
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.font(.caption)
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.foregroundStyle(.secondary)
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Spacer()
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Text(formattedDate(lastActivity))
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.font(.subheadline)
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}
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}
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if report.hasSignificantGaps {
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HStack {
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Image(systemName: "exclamationmark.triangle.fill")
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.foregroundStyle(.orange)
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Text("Datenlücken erkannt")
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.font(.subheadline)
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}
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}
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}
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.padding()
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.background(Color(.secondarySystemBackground))
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.clipShape(RoundedRectangle(cornerRadius: 12))
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}
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// MARK: - Priority Section
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private var prioritySection: some View {
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VStack(alignment: .leading, spacing: 12) {
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Text("Priorität")
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.font(.headline)
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Text("Höhere Priorität bedeutet, dass Daten dieser Quelle bevorzugt werden")
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.font(.caption)
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.foregroundStyle(.secondary)
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ForEach(Array(source.supportedDataTypes).sorted(by: { $0.displayName < $1.displayName }), id: \.self) { dataType in
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HStack {
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Text(dataType.displayName)
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Spacer()
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Stepper(
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"\(sourceManager.getPriority(for: source, dataType: dataType))",
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value: Binding(
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get: { sourceManager.getPriority(for: source, dataType: dataType) },
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set: { sourceManager.setPriority($0, for: source, dataType: dataType) }
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),
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in: 0...100,
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step: 10
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)
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.frame(width: 150)
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}
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.padding(.vertical, 4)
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}
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}
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.padding()
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.background(Color(.secondarySystemBackground))
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.clipShape(RoundedRectangle(cornerRadius: 12))
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}
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// MARK: - Helpers
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private func loadHealthReport() async {
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isLoading = true
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defer { isLoading = false }
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healthReport = await sourceManager.getSourceHealth(source)
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}
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private func qualityColor(_ 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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private func formattedDate(_ date: Date) -> String {
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let formatter = RelativeDateTimeFormatter()
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formatter.unitsStyle = .abbreviated
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return formatter.localizedString(for: date, relativeTo: Date())
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}
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}
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// MARK: - Capability Badge
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struct CapabilityBadge: View {
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let name: String
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let available: Bool
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var body: some View {
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HStack(spacing: 4) {
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Image(systemName: available ? "checkmark.circle.fill" : "xmark.circle")
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.foregroundStyle(available ? .green : .secondary)
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Text(name)
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.font(.caption)
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.foregroundStyle(available ? .primary : .secondary)
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}
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.padding(.horizontal, 8)
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.padding(.vertical, 4)
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.background(available ? Color.green.opacity(0.1) : Color.gray.opacity(0.1))
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.clipShape(Capsule())
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}
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}
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#Preview {
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SourcesView()
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}
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