Add saveContext method to PersistenceManager, clean up warnings

Shared/Models/WriteFreelyModel.swift

@@ -133,7 +133,8 @@ private extension WriteFreelyModel {
                 self.account.currentError = AccountError.invalidPassword
             }
         } catch {
-            if let error = error as? NSError, error.domain == NSURLErrorDomain, error.code == -1003 {
+            if (error as NSError).domain == NSURLErrorDomain,
+               (error as NSError).code == -1003 {
                 DispatchQueue.main.async {
                     self.account.currentError = AccountError.serverNotFound
                 }
@@ -175,9 +176,8 @@ private extension WriteFreelyModel {
             // so we're using a hacky workaround — if we get the NSURLError, but the AccountModel still thinks we're
             // logged in, try calling the logout function again and see what we get.
             // Conditional cast from 'Error' to 'NSError' always succeeds but is the only way to check error properties.
-            if let error = error as? NSError,
-               error.domain == NSURLErrorDomain,
-               error.code == NSURLErrorCannotParseResponse {
+            if (error as NSError).domain == NSURLErrorDomain,
+               (error as NSError).code == NSURLErrorCannotParseResponse {
                 if account.isLoggedIn {
                     self.logout()
                 }

Shared/PersistenceManager.swift

@@ -8,8 +8,8 @@ class PersistenceManager {
     let persistentContainer: NSPersistentContainer = {
         let container = NSPersistentContainer(name: "LocalStorageModel")
         container.loadPersistentStores(completionHandler: { (_, error) in
-            if let error = error as NSError? {
-                fatalError("Unresolved error loading persistent store: \(error) - \(error.userInfo)")
+            if let error = error {
+                fatalError("Unresolved error loading persistent store: \(error)")
             }
         })
         return container
@@ -24,11 +24,23 @@ class PersistenceManager {
         let notification = NSApplication.willResignActiveNotification
         #endif
 
+        // We don't need to worry about removing this observer because we're targeting iOS 9+ / macOS 10.11+; the
+        // system will clean this up the next time it would be posted to.
+        // See: https://developer.apple.com/documentation/foundation/notificationcenter/1413994-removeobserver
+        // And: https://developer.apple.com/documentation/foundation/notificationcenter/1407263-removeobserver
+        // swiftlint:disable:next discarded_notification_center_observer
         center.addObserver(forName: notification, object: nil, queue: nil) { [weak self] _ in
             guard let self = self else { return }
+            self.saveContext()
+        }
+    }
 
-            if self.persistentContainer.viewContext.hasChanges {
-                try? self.persistentContainer.viewContext.save()
+    func saveContext() {
+        if persistentContainer.viewContext.hasChanges {
+            do {
+                try persistentContainer.viewContext.save()
+            } catch {
+                print("Error saving context: \(error)")
             }
         }
     }

WFACollection+CoreDataProperties.swift

@@ -1,7 +1,6 @@
 import Foundation
 import CoreData
 
-
 extension WFACollection {
 
     @nonobjc public class func fetchRequest() -> NSFetchRequest<WFACollection> {

WriteFreely-MultiPlatform.xcodeproj/xcuserdata/angelo.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -7,12 +7,12 @@
 		<key>WriteFreely-MultiPlatform (iOS).xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>1</integer>
+			<integer>0</integer>
 		</dict>
 		<key>WriteFreely-MultiPlatform (macOS).xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>0</integer>
+			<integer>1</integer>
 		</dict>
 	</dict>
 </dict>