downloading tendie from url scheme

Pocket Poster/Controllers/DownloadManager.swift

@@ -0,0 +1,31 @@
+//
+//  DownloadManager.swift
+//  Pocket Poster
+//
+//  Created by lemin on 6/1/25.
+//
+
+import Foundation
+
+class DownloadManager {
+    static func getWallpaperNameFromURL(string url: String) -> String {
+        return String(url.split(separator: "/").last ?? "Unknown")
+    }
+    
+    static func downloadFromURL(_ url: URL) async throws -> URL {
+        print("Downloading from \(url.absoluteString)")
+        
+        let request = URLRequest(url: url)
+            
+        let (data, response) = try await URLSession.shared.data(for: request) as! (Data, HTTPURLResponse)
+        guard response.statusCode == 200 else { throw URLError(.cannotConnectToHost) }
+        let newURL = SymHandler.getDocumentsDirectory().appendingPathComponent(getWallpaperNameFromURL(string: url.absoluteString))
+        try data.write(to: newURL)
+        return newURL
+    }
+    
+    static func downloadFromURL(string path: String) async throws -> URL {
+        guard let url = URL(string: path) else { throw URLError(.unknown) }
+        return try await downloadFromURL(url)
+    }
+}

Pocket Poster/Extensions/Alert++.swift

@@ -0,0 +1,72 @@
+//
+//  Alert++.swift
+//  Cowabunga
+//
+//  Created by sourcelocation on 30/01/2023.
+//
+
+import UIKit
+
+// credit: sourcelocation & TrollTools
+var currentUIAlertController: UIAlertController?
+
+
+fileprivate let errorString = NSLocalizedString("Error", comment: "")
+fileprivate let okString = NSLocalizedString("OK", comment: "")
+fileprivate let cancelString = NSLocalizedString("Cancel", comment: "")
+
+extension UIApplication {
+    
+    func dismissAlert(animated: Bool) {
+        DispatchQueue.main.async {
+            currentUIAlertController?.dismiss(animated: animated)
+        }
+    }
+    func alert(title: String = errorString, body: String, animated: Bool = true, withButton: Bool = true) {
+        DispatchQueue.main.async {
+            var body = body
+            
+            if title == errorString {
+                // append debug info
+                let device = UIDevice.current
+                let appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? ""
+                let appBuild = Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? ""
+                let systemVersion = device.systemVersion
+                body += "\n\(device.systemName) \(systemVersion), version \(appVersion) build \(appBuild) escaped=\(FileManager.default.isReadableFile(atPath: "/var/mobile"))"
+            }
+            
+            currentUIAlertController = UIAlertController(title: title, message: body, preferredStyle: .alert)
+            if withButton { currentUIAlertController?.addAction(.init(title: okString, style: .cancel)) }
+            self.present(alert: currentUIAlertController!)
+        }
+    }
+    func confirmAlert(title: String = errorString, body: String, confirmTitle: String = okString, onOK: @escaping () -> (), noCancel: Bool) {
+        DispatchQueue.main.async {
+            currentUIAlertController = UIAlertController(title: title, message: body, preferredStyle: .alert)
+            if !noCancel {
+                currentUIAlertController?.addAction(.init(title: cancelString, style: .cancel))
+            }
+            currentUIAlertController?.addAction(.init(title: confirmTitle, style: noCancel ? .cancel : .default, handler: { _ in
+                onOK()
+            }))
+            self.present(alert: currentUIAlertController!)
+        }
+    }
+    func change(title: String = errorString, body: String) {
+        DispatchQueue.main.async {
+            currentUIAlertController?.title = title
+            currentUIAlertController?.message = body
+        }
+    }
+    
+    func present(alert: UIAlertController) {
+        if var topController = self.windows[0].rootViewController {
+            while let presentedViewController = topController.presentedViewController {
+                topController = presentedViewController
+            }
+            
+            topController.present(alert, animated: true)
+            // topController should now be your topmost view controller
+        }
+    }
+}

Pocket Poster/Extensions/Haptic.swift

@@ -0,0 +1,23 @@
+ //
+ //  Haptic++.swift
+ //  PsychicPaper
+ //
+ //  Created by Hariz Shirazi on 2023-02-04.
+ //
+
+import Foundation
+import UIKit
+
+class Haptic {
+    static let shared = Haptic()
+    
+    private init() { }
+    
+    func play(_ feedbackStyle: UIImpactFeedbackGenerator.FeedbackStyle) {
+        UIImpactFeedbackGenerator(style: feedbackStyle).impactOccurred()
+    }
+    
+    func notify(_ feedbackType: UINotificationFeedbackGenerator.FeedbackType) {
+        UINotificationFeedbackGenerator().notificationOccurred(feedbackType)
+    }
+}

Pocket Poster/Views/ContentView.swift

@@ -27,6 +27,9 @@ struct ContentView: View {
     @State var showSuccessAlert = false
     @State var lastError: String?
     
+    @State var downloadURL: String? = nil
+    @State var showDownloadAlert = false
+    
     var body: some View {
         NavigationStack {
             ScrollView {
@@ -120,8 +123,19 @@ struct ContentView: View {
         } message: {
             Text(lastError ?? "???")
         }
+        .alert("Download Tendies File", isPresented: $showDownloadAlert) {
+            Button("OK") {
+                downloadWallpaper()
+            }
+            Button("Cancel", role: .cancel) {}
+        } message: {
+            Text("Would you like to download the file \(downloadURL ?? "UNKNOWN")?")
+        }
         .onOpenURL(perform: { url in
-            if url.pathExtension == "tendies" {
+            if url.absoluteString.starts(with: "pocketposter://download") {
+                downloadURL = url.absoluteString.replacingOccurrences(of: "pocketposter://download?url=", with: "")
+            }
+            else if url.pathExtension == "tendies" {
                 if selectedTendies == nil {
                     selectedTendies = []
                 }
@@ -136,6 +150,27 @@ struct ContentView: View {
         }
     }
     
+    func downloadWallpaper() {
+        UIImpactFeedbackGenerator(style: .soft).impactOccurred()
+        UIApplication.shared.alert(title: NSLocalizedString("Downloading", comment: "") + " \(DownloadManager.getWallpaperNameFromURL(string: downloadURL ?? "/Unknown"))...", body: NSLocalizedString("Please wait", comment: ""), animated: false, withButton: false)
+        
+        Task {
+            do {
+                let newURL = try await DownloadManager.downloadFromURL(string: downloadURL!)
+                if selectedTendies == nil {
+                    selectedTendies = []
+                }
+                selectedTendies?.append(newURL)
+                Haptic.shared.notify(.success)
+                UIApplication.shared.dismissAlert(animated: true)
+            } catch {
+                Haptic.shared.notify(.error)
+                UIApplication.shared.dismissAlert(animated: true)
+                UIApplication.shared.alert(title: NSLocalizedString("Could not download wallpaper!", comment: ""), body: error.localizedDescription)
+            }
+        }
+    }
+    
     init() {
         // Fix file picker
         let fixMethod = class_getInstanceMethod(UIDocumentPickerViewController.self, #selector(UIDocumentPickerViewController.fix_init(forOpeningContentTypes:asCopy:)))!

Pocket Poster/Views/SettingsView.swift

@@ -24,7 +24,7 @@ struct SettingsView: View {
                         .foregroundColor(.primary)
                     Spacer()
                 }
-                TextField("App Hash", text: $pbHash)
+                TextField("Enter App Hash", text: $pbHash)
                     .textFieldStyle(RoundedBorderTextFieldStyle())
                     .font(.system(.body, design: .monospaced))
             }