141 lines
4.0 KiB
Swift
141 lines
4.0 KiB
Swift
import Models
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import Services
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import SwiftUI
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import Views
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@MainActor final class SubscriptionsViewModel: ObservableObject {
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@Published var isLoading = true
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@Published var subscriptions = [Subscription]()
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@Published var popularSubscriptions = [Subscription]()
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@Published var hasNetworkError = false
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@Published var subscriptionNameToCancel: String?
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func loadSubscriptions(dataService: DataService) async {
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isLoading = true
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do {
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subscriptions = try await dataService.subscriptions()
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} catch {
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hasNetworkError = true
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}
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isLoading = false
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}
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func cancelSubscription(dataService: DataService) async -> Bool {
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guard let subscriptionName = subscriptionNameToCancel else { return false }
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do {
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try await dataService.deleteSubscription(subscriptionName: subscriptionName)
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let index = subscriptions.firstIndex { $0.name == subscriptionName }
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if let index = index {
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subscriptions.remove(at: index)
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}
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return true
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} catch {
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appLogger.debug("failed to remove subscription")
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return false
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}
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}
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}
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struct SubscriptionsView: View {
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@EnvironmentObject var dataService: DataService
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@StateObject var viewModel = SubscriptionsViewModel()
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@State private var deleteConfirmationShown = false
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@State private var progressViewOpacity = 0.0
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var body: some View {
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if viewModel.isLoading {
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ProgressView()
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.opacity(progressViewOpacity)
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.onAppear {
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DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(1000)) {
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progressViewOpacity = 1
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}
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}
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.task { await viewModel.loadSubscriptions(dataService: dataService) }
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} else if viewModel.hasNetworkError {
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VStack {
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Text("Sorry, we were unable to retrieve your subscriptions.").multilineTextAlignment(.center)
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Button(
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action: { Task { await viewModel.loadSubscriptions(dataService: dataService) } },
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label: { Text("Retry") }
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)
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.buttonStyle(RoundedRectButtonStyle())
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}
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} else {
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Group {
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#if os(iOS)
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Form {
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innerBody
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}
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#elseif os(macOS)
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List {
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innerBody
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}
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.listStyle(InsetListStyle())
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#endif
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}
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}
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}
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private var innerBody: some View {
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Group {
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ForEach(viewModel.subscriptions, id: \.subscriptionID) { subscription in
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SubscriptionCell(subscription: subscription)
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.swipeActions(edge: .trailing) {
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Button(
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role: .destructive,
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action: {
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deleteConfirmationShown = true
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viewModel.subscriptionNameToCancel = subscription.name
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},
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label: {
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Image(systemName: "trash")
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}
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)
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}
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}
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}
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.alert("Are you sure you want to cancel this subscription?", isPresented: $deleteConfirmationShown) {
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Button("Yes", role: .destructive) {
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Task {
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let unsubscribed = await viewModel.cancelSubscription(dataService: dataService)
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Snackbar.show(message: unsubscribed ? "Subscription cancelled." : "Could not unsubscribe.")
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}
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}
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Button("No", role: .cancel) {
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viewModel.subscriptionNameToCancel = nil
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}
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}
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.navigationTitle("Subscriptions")
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}
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}
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struct SubscriptionCell: View {
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let subscription: Subscription
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var body: some View {
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VStack {
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VStack(alignment: .leading, spacing: 6) {
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Text(subscription.name)
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.font(.appCallout)
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.lineSpacing(1.25)
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.foregroundColor(.appGrayTextContrast)
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.fixedSize(horizontal: false, vertical: true)
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if let updatedDate = subscription.updatedAt {
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Text("Last received: \(updatedDate.formatted())")
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.font(.appCaption)
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.foregroundColor(.appGrayText)
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.fixedSize(horizontal: false, vertical: true)
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}
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}
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.multilineTextAlignment(.leading)
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.padding(.vertical, 8)
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.frame(minHeight: 50)
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}
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}
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}
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