39 lines
1.5 KiB
Swift
39 lines
1.5 KiB
Swift
import SwiftUI
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import SwiftData
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/// A view modifier that refreshes the view when CloudKit data changes
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struct CloudKitSyncObserver: ViewModifier {
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@Environment(\.modelContext) private var modelContext
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@State private var refreshID = UUID()
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func body(content: Content) -> some View {
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content
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.id(refreshID) // Force view refresh when this changes
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.onReceive(NotificationCenter.default.publisher(for: .cloudKitDataDidChange)) { _ in
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refreshID = UUID()
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Task { @MainActor in
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do {
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let _ = try await fetchAll(of: Exercise.self, from: modelContext)
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let _ = try await fetchAll(of: Split.self, from: modelContext)
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let _ = try await fetchAll(of: Workout.self, from: modelContext)
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let _ = try await fetchAll(of: WorkoutLog.self, from: modelContext)
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} catch {
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print("ERROR: failed to fetch \(error.localizedDescription)")
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}
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}
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}
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}
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private func fetchAll<T: PersistentModel>(of type: T.Type,from modelContext: ModelContext) async throws -> [T]? {
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try modelContext.fetch(FetchDescriptor<T>())
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}
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}
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// Extension to make it easier to use the modifier
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extension View {
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/// Adds observation for CloudKit sync changes and refreshes the view when changes occur
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func observeCloudKitChanges() -> some View {
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self.modifier(CloudKitSyncObserver())
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}
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}
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