✨ #36 Add Persistence of AppDelegate

ThrowAway/ThrowAway/AppDelegate.swift

@@ -6,12 +6,12 @@
 //
 
 import UIKit
+import CoreData
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
-        // Override point for customization after application launch.
         configureNavigationBar()
         return true
     }
@@ -31,14 +31,19 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     // MARK: UISceneSession Lifecycle
 
     func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
-        // Called when a new scene session is being created.
-        // Use this method to select a configuration to create the new scene with.
         return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
     }
 
     func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
-        // Called when the user discards a scene session.
-        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
-        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
     }
+
+    lazy var persistentContainer: NSPersistentContainer = {
+        let container = NSPersistentContainer(name: "ThrowAway")
+        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
+            if let error = error as NSError? {
+                fatalError("Unresolved error \(error), \(error.userInfo)")
+            }
+        })
+        return container
+    }()
 }