fix crash where homeViewTwo view model wasnt being updated

Shared/AppDelegate.swift

@@ -16,6 +16,7 @@ class AppDelegate: NSObject, UIApplicationDelegate {
 
     func application(_ application: UIApplication, willFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
 //        PersistenceController.shared.clearDB()
+        PersistenceController.shared.removeNoForDates()
         PersistenceController.shared.fillInMissingDates()
         UNUserNotificationCenter.current().delegate = self
         

Shared/Persisence/Persistence.swift

@@ -13,6 +13,8 @@ class PersistenceController {
     
     static let shared = PersistenceController.persistenceController
     
+    public var listeners = [(() -> Void)]()
+    
     private static var persistenceController: PersistenceController {
         return PersistenceController(inMemory: false)
     }
@@ -77,6 +79,12 @@ class PersistenceController {
     init(inMemory: Bool = false) {
         container = setupContainer()
     }
+    
+    func updateListeners() {
+        for listener in listeners {
+            listener()
+        }
+    }
 }
 
 extension NSManagedObjectContext {

Shared/Persisence/PersistenceADD.swift

@@ -25,6 +25,7 @@ extension PersistenceController {
         
         do {
             try viewContext.save()
+            updateListeners()
         } catch {
             let nsError = error as NSError
             fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
@@ -64,4 +65,18 @@ extension PersistenceController {
             }
         }
     }
+    
+    func removeNoForDates() {
+        let fetchRequest = NSFetchRequest<MoodEntry>(entityName: "MoodEntry")
+        fetchRequest.sortDescriptors = [NSSortDescriptor(key: "forDate", ascending: false)]
+        let entries = try! viewContext.fetch(fetchRequest)
+        
+        for entry in entries {
+            guard let _ = entry.forDate else {
+                viewContext.delete(entry)
+                try? viewContext.save()
+                return
+            }
+        }
+    }
 }

Shared/Persisence/PersistenceDELETE.swift

@@ -15,6 +15,7 @@ extension PersistenceController {
         do {
             try viewContext.executeAndMergeChanges(using: deleteRequest)
             try viewContext.save()
+            updateListeners()
         } catch let error as NSError {
             fatalError("Unresolved error \(error), \(error.userInfo)")
         }
@@ -24,6 +25,7 @@ extension PersistenceController {
         if let entry = PersistenceController.shared.getEntry(byDate: forDate) {
             viewContext.delete(entry)
             try! viewContext.save()
+            updateListeners()
         }
     }
 }

Shared/Persisence/PersistenceUPDATE.swift

@@ -10,25 +10,12 @@ import Foundation
 extension PersistenceController {
     @discardableResult
     public func update(entryDate: Date, withModd mood: Mood) -> Bool {
-        if let entry = PersistenceController.shared.getEntry(byDate: entryDate) {
-            viewContext.delete(entry)
-        }
-        
-        do {
-            try PersistenceController.shared.viewContext.save()
-        } catch {
-            // Replace this implementation with code to handle the error appropriately.
-            // 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.
-            let nsError = error as NSError
-            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
-            return false
-        }
-        
-        add(mood: mood, forDate: entryDate, entryType: .listView)
-        
         do {
+            if let entry = PersistenceController.shared.getEntry(byDate: entryDate) {
+                viewContext.delete(entry)
+            }
+            
             try viewContext.save()
-            return true
         } catch {
             // Replace this implementation with code to handle the error appropriately.
             // 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.
@@ -36,5 +23,21 @@ extension PersistenceController {
             fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
             return false
         }
+        
+        
+        
+        do {
+            add(mood: mood, forDate: entryDate, entryType: .listView)
+            try viewContext.save()
+        } catch {
+            // Replace this implementation with code to handle the error appropriately.
+            // 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.
+            let nsError = error as NSError
+            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
+            return false
+        }
+        
+        updateListeners()
+        return true
     }
 }

Shared/views/HomeView/HomeViewTwo/MonthDetailView.swift

@@ -72,8 +72,8 @@ struct MonthDetailView: View {
                deleteEnabled,
                selectedEntry.mood != .missing {
                 Button(String(localized: "content_view_delete_entry"), action: {
-                    updateEntries()
                     PersistenceController.shared.update(entryDate: selectedEntry.forDate!, withModd: .missing)
+                    updateEntries()
                     showUpdateEntryAlert = false
                 })
             }

Shared/views/HomeView/HomeViewViewModel.swift

@@ -43,6 +43,9 @@ class HomeViewViewModel: ObservableObject {
             self.getGroupedData(addMonthStartWeekdayPadding: self.addMonthStartWeekdayPadding)
             
         }
+        PersistenceController.shared.listeners.append { [weak self] in
+            self?.updateData()
+        }
         updateData()
     }