89 lines
4.1 KiB
Swift
89 lines
4.1 KiB
Swift
//
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// DownloadManager.swift
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// Pocket Poster
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//
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// Created by lemin on 6/1/25.
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//
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import Foundation
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import UIKit
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class DownloadManager: ObservableObject {
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static let shared = DownloadManager()
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@Published var downloadURL: String? = nil
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func getWallpaperNameFromURL(string url: String) -> String {
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return String(url.split(separator: "/").last ?? "Unknown")
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}
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func startTendiesDownload(for url: URL) {
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// prohibit to only tendies files
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if !url.absoluteString.hasSuffix(".tendies") {
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UIApplication.shared.alert(body: NSLocalizedString("Only .tendies files can be downloaded!", comment: ""))
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} else if PosterBoardManager.shared.selectedTendies.count >= PosterBoardManager.MaxTendies {
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UIApplication.shared.alert(title: NSLocalizedString("Max Tendies Reached", comment: ""), body: String(format: NSLocalizedString("You can only apply %@ descriptors.", comment: ""), "\(PosterBoardManager.MaxTendies)"))
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} else {
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DispatchQueue.main.async {
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self.downloadURL = url.absoluteString.replacingOccurrences(of: "pocketposter://download?url=", with: "")
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UIApplication.shared.confirmAlert(title: NSLocalizedString("Download Tendies File", comment: ""), body: String(format: NSLocalizedString("Would you like to download the file %@?", comment: ""), "\(self.getWallpaperNameFromURL(string: self.downloadURL ?? "/Unknown"))"), onOK: {
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self.downloadWallpaper()
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}, noCancel: false)
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}
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}
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}
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func downloadWallpaper() {
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UIImpactFeedbackGenerator(style: .soft).impactOccurred()
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UIApplication.shared.alert(title: NSLocalizedString("Downloading", comment: "") + " \(getWallpaperNameFromURL(string: downloadURL ?? "/Unknown"))...", body: NSLocalizedString("Please wait", comment: ""), animated: false, withButton: false)
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Task {
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do {
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let newURL = try await downloadFromURL(string: downloadURL!)
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DispatchQueue.main.async {
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PosterBoardManager.shared.selectedTendies.append(newURL)
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Haptic.shared.notify(.success)
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UIApplication.shared.dismissAlert(animated: false)
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UIApplication.shared.alert(title: NSLocalizedString("Successfully downloaded wallpaper!", comment: ""), body: NSLocalizedString("Your downloaded .tendies will be on the Home page.", comment: "after successfully downloading tendies"))
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}
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} catch {
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DispatchQueue.main.async {
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Haptic.shared.notify(.error)
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UIApplication.shared.dismissAlert(animated: false)
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UIApplication.shared.alert(title: NSLocalizedString("Could not download wallpaper!", comment: ""), body: error.localizedDescription)
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}
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}
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}
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}
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func downloadFromURL(_ url: URL) async throws -> URL {
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print("Downloading from \(url.absoluteString)")
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let request = URLRequest(url: url)
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let (data, response) = try await URLSession.shared.data(for: request) as! (Data, HTTPURLResponse)
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guard response.statusCode == 200 else { throw URLError(.cannotConnectToHost) }
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let newURL = PosterBoardManager.shared.getTendiesStoreURL().appendingPathComponent(getWallpaperNameFromURL(string: url.absoluteString))
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try data.write(to: newURL)
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return newURL
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}
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func downloadFromURL(string path: String) async throws -> URL {
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guard let url = URL(string: path) else { throw URLError(.unknown) }
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return try await downloadFromURL(url)
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}
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func copyTendies(from url: URL) throws -> URL {
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// scope the resource
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let accessing = url.startAccessingSecurityScopedResource()
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defer {
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if accessing {
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url.stopAccessingSecurityScopedResource()
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}
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}
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let newURL = PosterBoardManager.shared.getTendiesStoreURL().appendingPathComponent(url.lastPathComponent)
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try FileManager.default.copyItem(at: url, to: newURL)
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return newURL
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}
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}
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