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images reduction (-22kb)
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cranci1
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81393601e1
4 changed files with 0 additions and 230 deletions
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@ -1,7 +0,0 @@
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struct EpisodeLink: Identifiable {
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let id = UUID()
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let number: Int
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let title: String
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let href: String
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let duration: Int?
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}
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@ -1,223 +0,0 @@
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//
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// DownloadManager.swift
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// Sulfur
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//
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// Created by Francesco on 29/04/25.
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//
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import SwiftUI
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import AVKit
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import Foundation
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import AVFoundation
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struct DownloadedAsset: Identifiable, Codable {
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let id: UUID
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var name: String
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let downloadDate: Date
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let originalURL: URL
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let localURL: URL
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var fileSize: Int64?
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let module: ScrapingModule
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init(id: UUID = UUID(), name: String, downloadDate: Date, originalURL: URL, localURL: URL, module: ScrapingModule) {
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self.id = id
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self.name = name
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self.downloadDate = downloadDate
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self.originalURL = originalURL
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self.localURL = localURL
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self.module = module
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self.fileSize = getFileSize()
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}
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func getFileSize() -> Int64? {
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do {
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let values = try localURL.resourceValues(forKeys: [.fileSizeKey])
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return Int64(values.fileSize ?? 0)
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} catch {
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return nil
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}
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}
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}
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class DownloadManager: NSObject, ObservableObject {
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@Published var activeDownloads: [ActiveDownload] = []
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@Published var savedAssets: [DownloadedAsset] = []
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private var assetDownloadURLSession: AVAssetDownloadURLSession!
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private var activeDownloadTasks: [URLSessionTask: (URL, ScrapingModule)] = [:]
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override init() {
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super.init()
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initializeDownloadSession()
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loadSavedAssets()
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reconcileFileSystemAssets()
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}
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private func initializeDownloadSession() {
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let configuration = URLSessionConfiguration.background(withIdentifier: "downloader-\(UUID().uuidString)")
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assetDownloadURLSession = AVAssetDownloadURLSession(
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configuration: configuration,
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assetDownloadDelegate: self,
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delegateQueue: .main
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)
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}
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func downloadAsset(from url: URL, module: ScrapingModule, headers: [String: String]? = nil) {
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var urlRequest = URLRequest(url: url)
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if let headers = headers {
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for (key, value) in headers {
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urlRequest.addValue(value, forHTTPHeaderField: key)
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}
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} else {
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urlRequest.addValue(module.metadata.baseUrl, forHTTPHeaderField: "Origin")
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urlRequest.addValue(module.metadata.baseUrl, forHTTPHeaderField: "Referer")
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}
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urlRequest.addValue("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36", forHTTPHeaderField: "User-Agent")
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let asset = AVURLAsset(url: urlRequest.url!, options: ["AVURLAssetHTTPHeaderFieldsKey": urlRequest.allHTTPHeaderFields ?? [:]])
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let task = assetDownloadURLSession.makeAssetDownloadTask(
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asset: asset,
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assetTitle: url.lastPathComponent,
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assetArtworkData: nil,
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options: [AVAssetDownloadTaskMinimumRequiredMediaBitrateKey: 2_000_000]
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)
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let download = ActiveDownload(
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id: UUID(),
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originalURL: url,
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progress: 0,
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task: task!
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)
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activeDownloads.append(download)
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activeDownloadTasks[task!] = (url, module)
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task?.resume()
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}
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func deleteAsset(_ asset: DownloadedAsset) {
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do {
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try FileManager.default.removeItem(at: asset.localURL)
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savedAssets.removeAll { $0.id == asset.id }
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saveAssets()
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} catch {
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Logger.shared.log("Error deleting asset: \(error)")
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}
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}
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func renameAsset(_ asset: DownloadedAsset, newName: String) {
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guard let index = savedAssets.firstIndex(where: { $0.id == asset.id }) else { return }
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savedAssets[index].name = newName
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saveAssets()
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}
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private func saveAssets() {
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do {
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let data = try JSONEncoder().encode(savedAssets)
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UserDefaults.standard.set(data, forKey: "savedAssets")
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} catch {
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Logger.shared.log("Error saving assets: \(error)")
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}
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}
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private func loadSavedAssets() {
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guard let data = UserDefaults.standard.data(forKey: "savedAssets") else { return }
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do {
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savedAssets = try JSONDecoder().decode([DownloadedAsset].self, from: data)
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} catch {
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Logger.shared.log("Error loading saved assets: \(error)")
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}
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}
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private func reconcileFileSystemAssets() {
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guard let documents = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return }
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do {
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let fileURLs = try FileManager.default.contentsOfDirectory(
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at: documents,
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includingPropertiesForKeys: [.creationDateKey, .fileSizeKey],
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options: .skipsHiddenFiles
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)
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} catch {
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Logger.shared.log("Error reconciling files: \(error)")
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}
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}
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}
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extension DownloadManager: AVAssetDownloadDelegate {
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func urlSession(_ session: URLSession, assetDownloadTask: AVAssetDownloadTask, didFinishDownloadingTo location: URL) {
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guard let (originalURL, module) = activeDownloadTasks[assetDownloadTask] else { return }
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let newAsset = DownloadedAsset(
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name: originalURL.lastPathComponent,
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downloadDate: Date(),
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originalURL: originalURL,
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localURL: location,
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module: module
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)
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savedAssets.append(newAsset)
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saveAssets()
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cleanupDownloadTask(assetDownloadTask)
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}
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func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
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guard let error = error else { return }
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Logger.shared.log("Download error: \(error.localizedDescription)")
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cleanupDownloadTask(task)
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}
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func urlSession(_ session: URLSession, assetDownloadTask: AVAssetDownloadTask, didLoad timeRange: CMTimeRange, totalTimeRangesLoaded loadedTimeRanges: [NSValue], timeRangeExpectedToLoad: CMTimeRange) {
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guard let (originalURL, _) = activeDownloadTasks[assetDownloadTask], let downloadIndex = activeDownloads.firstIndex(where: { $0.originalURL == originalURL }) else { return }
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let progress = loadedTimeRanges
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.map { $0.timeRangeValue.duration.seconds / timeRangeExpectedToLoad.duration.seconds }
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.reduce(0, +)
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activeDownloads[downloadIndex].progress = progress
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}
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private func cleanupDownloadTask(_ task: URLSessionTask) {
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activeDownloadTasks.removeValue(forKey: task)
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activeDownloads.removeAll { $0.task == task }
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}
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}
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struct DownloadProgressView: View {
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let download: ActiveDownload
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var body: some View {
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VStack(alignment: .leading) {
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Text(download.originalURL.lastPathComponent)
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.font(.subheadline)
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ProgressView(value: download.progress)
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.progressViewStyle(LinearProgressViewStyle())
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Text("\(Int(download.progress * 100))%")
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.font(.caption)
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}
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}
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}
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struct AssetRowView: View {
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let asset: DownloadedAsset
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var body: some View {
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VStack(alignment: .leading) {
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Text(asset.name)
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.font(.headline)
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Text("\(asset.fileSize ?? 0) bytes • \(asset.downloadDate.formatted())")
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.font(.caption)
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.foregroundColor(.secondary)
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}
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}
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}
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struct ActiveDownload: Identifiable {
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let id: UUID
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let originalURL: URL
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var progress: Double
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let task: URLSessionTask
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}
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