Cleanup + enable background notifications

Author: 01jongmin

PennMobile/Dining/SwiftUI/Views/Venue/Detail View/DiningVenueDetailMenuView.swift

@@ -20,9 +20,9 @@ struct DiningVenueDetailMenuView: View {
         }.onChange(of: menuDate) { newMenuDate in
             diningVM.refreshMenu(for: id, at: newMenuDate)
         }
-        
+
         Text("Penn has recently changed the process in which Penn Labs can access menu data. We are working as fast as possible to fix this. We apologize for the inconvenience.")
-//
+
 //        ForEach(menus, id: \.self) { menu in
 //            DiningMenuRow(for: menu)
 //                .transition(.opacity)

PennMobile/Setup + Navigation/AppDelegate+NotificationExtension.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import SwiftyJSON
 
 extension AppDelegate: UNUserNotificationCenterDelegate {
 
@@ -43,6 +44,14 @@ extension AppDelegate: UNUserNotificationCenterDelegate {
         UNUserNotificationCenter.current().setNotificationCategories([upcomingGSRCategory])
     }
 
+    func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any]) async -> UIBackgroundFetchResult {
+        if let (_, _) = try? await URLSession.shared.data(from: URL(string: "https://pennmobile.org/api/")!) {
+            return .newData
+        } else {
+            return .failed
+        }
+    }
+
     func userNotificationCenter(
         _ center: UNUserNotificationCenter,
         didReceive response: UNNotificationResponse,

PennMobile/Setup + Navigation/AppDelegate.swift

@@ -27,6 +27,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
         // Register to receive delegate actions from rich notifications
         UNUserNotificationCenter.current().delegate = self
+        UIApplication.shared.registerForRemoteNotifications()
 
         FirebaseApp.configure()
         ControllerModel.shared.prepare()