explore page

still needs fixed for no wifi and freezing

Pocket Poster/Controllers/DownloadManager.swift

@@ -6,13 +6,57 @@
 //
 
 import Foundation
+import UIKit
 
-class DownloadManager {
-    static func getWallpaperNameFromURL(string url: String) -> String {
+class DownloadManager: ObservableObject {
+    static let shared = DownloadManager()
+    
+    @Published var downloadURL: String? = nil
+    
+    func getWallpaperNameFromURL(string url: String) -> String {
         return String(url.split(separator: "/").last ?? "Unknown")
     }
     
-    static func downloadFromURL(_ url: URL) async throws -> URL {
+    func startTendiesDownload(for url: URL) {
+        // prohibit to only tendies files
+        if !url.absoluteString.hasSuffix(".tendies") {
+            UIApplication.shared.alert(body: NSLocalizedString("Only .tendies files can be downloaded!", comment: ""))
+        } else if PosterBoardManager.shared.selectedTendies.count >= PosterBoardManager.MaxTendies {
+            UIApplication.shared.alert(title: NSLocalizedString("Max Tendies Reached", comment: ""), body: String(format: NSLocalizedString("You can only apply %@ descriptors.", comment: ""), "\(PosterBoardManager.MaxTendies)"))
+        } else {
+            DispatchQueue.main.async {
+                self.downloadURL = url.absoluteString.replacingOccurrences(of: "pocketposter://download?url=", with: "")
+                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: {
+                    self.downloadWallpaper()
+                }, noCancel: false)
+            }
+        }
+    }
+    
+    func downloadWallpaper() {
+        UIImpactFeedbackGenerator(style: .soft).impactOccurred()
+        UIApplication.shared.alert(title: NSLocalizedString("Downloading", comment: "") + " \(getWallpaperNameFromURL(string: downloadURL ?? "/Unknown"))...", body: NSLocalizedString("Please wait", comment: ""), animated: false, withButton: false)
+        
+        Task {
+            do {
+                let newURL = try await downloadFromURL(string: downloadURL!)
+                DispatchQueue.main.async {
+                    PosterBoardManager.shared.selectedTendies.append(newURL)
+                    Haptic.shared.notify(.success)
+                    UIApplication.shared.dismissAlert(animated: false)
+                    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"))
+                }
+            } catch {
+                DispatchQueue.main.async {
+                    Haptic.shared.notify(.error)
+                    UIApplication.shared.dismissAlert(animated: false)
+                    UIApplication.shared.alert(title: NSLocalizedString("Could not download wallpaper!", comment: ""), body: error.localizedDescription)
+                }
+            }
+        }
+    }
+    
+    func downloadFromURL(_ url: URL) async throws -> URL {
         print("Downloading from \(url.absoluteString)")
         
         let request = URLRequest(url: url)
@@ -24,12 +68,12 @@ class DownloadManager {
         return newURL
     }
     
-    static func downloadFromURL(string path: String) async throws -> URL {
+    func downloadFromURL(string path: String) async throws -> URL {
         guard let url = URL(string: path) else { throw URLError(.unknown) }
         return try await downloadFromURL(url)
     }
     
-    static func copyTendies(from url: URL) throws -> URL {
+    func copyTendies(from url: URL) throws -> URL {
         // scope the resource
         let accessing = url.startAccessingSecurityScopedResource()
         defer {