Removed the persistence boilerplate code in the AppDelegate and SceneDelegate delegates.
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@ -41,50 +41,5 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
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// Use this method to release any resources that were specific to the discarded scenes, as they will not return.
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}
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// MARK: - Core Data stack
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lazy var persistentContainer: NSPersistentContainer = {
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/*
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The persistent container for the application. This implementation
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creates and returns a container, having loaded the store for the
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application to it. This property is optional since there are legitimate
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error conditions that could cause the creation of the store to fail.
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*/
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let container = NSPersistentContainer(name: "Locations")
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container.loadPersistentStores(completionHandler: { (storeDescription, error) in
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if let error = error as NSError? {
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// Replace this implementation with code to handle the error appropriately.
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// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
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/*
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Typical reasons for an error here include:
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* The parent directory does not exist, cannot be created, or disallows writing.
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* The persistent store is not accessible, due to permissions or data protection when the device is locked.
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* The device is out of space.
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* The store could not be migrated to the current model version.
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Check the error message to determine what the actual problem was.
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*/
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fatalError("Unresolved error \(error), \(error.userInfo)")
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}
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})
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return container
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}()
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// MARK: - Core Data Saving support
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func saveContext () {
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let context = persistentContainer.viewContext
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if context.hasChanges {
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do {
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try context.save()
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} catch {
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// Replace this implementation with code to handle the error appropriately.
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// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
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let nserror = error as NSError
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fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
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}
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}
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}
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}
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@ -62,7 +62,6 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
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// to restore the scene back to its current state.
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// Save changes in the application's managed object context when the application transitions to the background.
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(UIApplication.shared.delegate as? AppDelegate)?.saveContext()
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}
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}
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