96 lines
2.7 KiB
Swift
96 lines
2.7 KiB
Swift
import CoreData
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import Models
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import Services
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import SwiftUI
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import Utils
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import Views
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@MainActor final class WebReaderLoadingContainerViewModel: ObservableObject {
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@Published var item: Models.LibraryItem?
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@Published var errorMessage: String?
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func loadItem(dataService: DataService, username: String, requestID: String) async {
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if let cached = Models.LibraryItem.lookup(byID: requestID, inContext: dataService.viewContext) {
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item = cached
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return
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}
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guard let objectID = try? await dataService.loadItemContentUsingRequestID(username: username,
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requestID: requestID)
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else {
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errorMessage = "Item is no longer available"
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return
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}
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item = dataService.viewContext.object(with: objectID) as? Models.LibraryItem
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}
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func trackReadEvent() {
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guard let item = item else { return }
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EventTracker.track(
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.linkRead(
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linkID: item.unwrappedID,
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slug: item.unwrappedSlug,
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reader: "WEB",
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originalArticleURL: item.unwrappedPageURLString
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)
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)
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}
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}
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public struct WebReaderLoadingContainer: View {
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let requestID: String
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@EnvironmentObject var dataService: DataService
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@EnvironmentObject var audioController: AudioController
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@StateObject var viewModel = WebReaderLoadingContainerViewModel()
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@Environment(\.presentationCoordinator) var presentationCoordinator
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public var body: some View {
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if let item = viewModel.item {
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if let pdfItem = PDFItem.make(item: item) {
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#if os(iOS)
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NavigationView {
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PDFViewer(viewModel: PDFViewerViewModel(pdfItem: pdfItem))
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.navigationBarHidden(true)
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.navigationViewStyle(.stack)
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.accentColor(.appGrayTextContrast)
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.onAppear { viewModel.trackReadEvent() }
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}
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#else
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if let pdfURL = pdfItem.pdfURL {
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PDFWrapperView(pdfURL: pdfURL)
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}
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#endif
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} else {
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WebReaderContainerView(item: item)
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#if os(iOS)
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.navigationViewStyle(.stack)
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#endif
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.accentColor(.appGrayTextContrast)
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.onAppear { viewModel.trackReadEvent() }
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}
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} else if let errorMessage = viewModel.errorMessage {
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NavigationView {
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VStack(spacing: 15) {
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Text(errorMessage)
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Button(action: {
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presentationCoordinator.dismiss()
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}, label: {
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Text("Dismiss")
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})
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}
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}
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#if os(iOS)
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.navigationViewStyle(.stack)
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#endif
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} else {
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ProgressView()
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.task {
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await viewModel.loadItem(dataService: dataService, username: "me", requestID: requestID)
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}
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}
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}
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}
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