Fixes and improvements

LeCountdown/LeCountdownApp.swift

@@ -26,7 +26,9 @@ struct LeCountdownApp: App {
     }
     
     fileprivate func _willEnterForegroundNotification() {
-        AppEnvironment.sun.cleanup()
+        DispatchQueue.main.async {
+            AppEnvironment.sun.cleanup()
+        }
     }
     
 }

LeCountdown/Views/ContentView.swift

@@ -50,7 +50,8 @@ struct ContentView: View {
     @State private var isShowingNewCountdown = false
     
     @State var error: Error?
-    @State var showAlert: Bool = false
+    @State var showDefaultAlert: Bool = false
+    @State var showPermissionAlert: Bool = false
 
     private var columns: [GridItem] = [
         GridItem(spacing: 10.0),
@@ -96,9 +97,15 @@ struct ContentView: View {
                 
             }.padding(itemSpacing)
             .navigationTitle("Youpi")
-            .alert(error?.localizedDescription ?? "missing error", isPresented: $showAlert) {
-                Button("OK", role: .none) { }
+            .alert(error?.localizedDescription ?? "missing error", isPresented: $showDefaultAlert) {
+                Button("OK", role: .cancel) { }
             }
+            .alert("You need to accept notifications, please check your settings", isPresented: $showPermissionAlert, actions: {
+                Button("Show permissions") {
+                    self._showPermissionSettings()
+                }
+                Button("OK", role: .cancel) { }
+            })
             .sheet(isPresented: self.$isShowingNewCountdown, content: {
                 NewCountdownView(isPresented: $isShowingNewCountdown)       .environment(\.managedObjectContext, viewContext)
             })
@@ -141,13 +148,22 @@ struct ContentView: View {
     }
     
     fileprivate func _launchCountdown(_ countdown: Countdown) {
-        CountdownScheduler.master.scheduleIfPossible(countdown: countdown) { result in
-            switch result {
-            case .success(_):
-                break
-            case .failure(let failure):
-                self.error = failure
-                self.showAlert = true
+        
+        UNUserNotificationCenter.current().getNotificationSettings { settings in
+            
+            switch settings.authorizationStatus {
+            case .notDetermined, .denied:
+                self.showPermissionAlert = true
+            default:
+                CountdownScheduler.master.scheduleIfPossible(countdown: countdown) { result in
+                    switch result {
+                    case .success(_):
+                        break
+                    case .failure(let failure):
+                        self.error = failure
+                        self.showDefaultAlert = true
+                    }
+                }
             }
         }
     }
@@ -158,6 +174,12 @@ struct ContentView: View {
         }
     }
     
+    fileprivate func _showPermissionSettings() {
+        if let url = URL(string: UIApplication.openNotificationSettingsURLString) {
+            UIApplication.shared.open(url)
+        }
+    }
+    
 }
 
 fileprivate extension Countdown {

LeCountdown/Views/NewCountdownView.swift

@@ -218,6 +218,9 @@ struct CountdownEditView : View {
         
         viewContext.delete(countdown)
         self._saveContext()
+
+        WidgetCenter.shared.reloadAllTimelines() // refreshes the visual of existing widgets
+
         self._popOrDismiss()
     }