Sound improvements

LeCountdown.xcodeproj/xcshareddata/xcschemes/LeCountdown.xcscheme

@@ -64,6 +64,13 @@
             isEnabled = "YES">
          </CommandLineArgument>
       </CommandLineArguments>
+      <AdditionalOptions>
+         <AdditionalOption
+            key = "NSZombieEnabled"
+            value = "YES"
+            isEnabled = "YES">
+         </AdditionalOption>
+      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

LeCountdown/AppDelegate.swift

@@ -41,10 +41,12 @@ class AppDelegate : NSObject, UIApplicationDelegate {
     }
     
     func applicationWillTerminate(_ application: UIApplication) {
+        Logger.log("applicationWillTerminate")
         FileLogger.log("applicationWillTerminate")
     }
     
     func applicationDidReceiveMemoryWarning(_ application: UIApplication) {
+        Logger.log("applicationDidReceiveMemoryWarning")
         FileLogger.log("applicationDidReceiveMemoryWarning")
     }
     

LeCountdown/Conductor.swift

@@ -136,25 +136,26 @@ class Conductor: ObservableObject {
         
         DispatchQueue.main.async {
             
+            let countdownId = countdown.stringId
+            self._cleanupCurrentTimerIfNecessary(countdownId)
+            
             do {
                 let start = Date()
                 let end = start.addingTimeInterval(countdown.duration)
-                FileLogger.log("schedule countdown \(countdown.stringId) at \(end)")
-                
-                self.removeLiveTimer(id: countdown.stringId)
+                FileLogger.log("schedule countdown \(countdownId) at \(end)")
                 
                 let sound = countdown.someSound
-                let soundPlayer = try DelaySoundPlayer(timerID: countdown.stringId, sound: sound)
+                let soundPlayer = try DelaySoundPlayer(timerID: countdownId, sound: sound)
 
                 FileLogger.log("a) self._delayedSoundPlayers count = \(self._delayedSoundPlayers.count)")
-                self._delayedSoundPlayers[countdown.stringId] = soundPlayer
+                self._delayedSoundPlayers[countdownId] = soundPlayer
                 FileLogger.log("b) self._delayedSoundPlayers count = \(self._delayedSoundPlayers.count)")
 
                 try soundPlayer.start(in: countdown.duration,
                                       repeatCount: Int(countdown.repeatCount))
                 
                 let dateInterval = DateInterval(start: start, end: end)
-                self.currentCountdowns[countdown.stringId] = dateInterval
+                self.currentCountdowns[countdownId] = dateInterval
                 
                 if Preferences.playConfirmationSound {
                     self._playConfirmationSound(timer: countdown)
@@ -170,6 +171,13 @@ class Conductor: ObservableObject {
         }
     }
     
+    fileprivate func _cleanupCurrentTimerIfNecessary(_ timerId: TimerID) {
+        self.removeLiveTimer(id: timerId)
+        if let player = self._delayedSoundPlayers[timerId] {
+            player.stop() // release resources
+        }
+    }
+    
     func cancelCountdown(id: TimerID) {
         
         FileLogger.log("Cancel \(id)")

LeCountdown/LeCountdownApp.swift

@@ -27,15 +27,12 @@ struct LeCountdownApp: App {
         
         Logger.log("path = \(Bundle.main.bundlePath)")
         
-        do {
-            let records = try persistenceController.container.viewContext.fetch(Record.fetchRequest())
-            for record in records {
-                Logger.log("duration = \(record.duration)")
-            }
-        } catch {
-            
-        }
-        
+//        let context = self.persistenceController.container.viewContext
+//        let records: [Record] = context.fetch(entityName: Record.entityName, sortDescriptor: NSSortDescriptor(key: "start", ascending: false))
+//        for record in records {
+//            Logger.log("duration = \(record.duration)")
+//        }
+
         self._registerBackgroundRefreshes()
         
 //        if !ProcessInfo.processInfo.isiOSAppOnMac {

LeCountdown/Model/NSManagedContext+Extensions.swift

@@ -50,12 +50,16 @@ extension NSManagedObjectContext {
     //    public func fetch<T>(_ request: NSFetchRequest<T>) throws -> [T] where T : NSFetchRequestResult
 
     
-    func fetch<T>(entityName: String, predicate: NSPredicate) -> [T] where T : NSFetchRequestResult {
+    func fetch<T>(entityName: String, predicate: NSPredicate? = nil, sortDescriptor: NSSortDescriptor? = nil) -> [T] where T : NSFetchRequestResult {
         let request = NSFetchRequest<T>(entityName: entityName)
         request.predicate = predicate
+        if let sortDescriptor = sortDescriptor {
+            request.sortDescriptors = [sortDescriptor]
+        }
         do {
             return try self.fetch(request)
         } catch {
+            Logger.error(error)
             return []
         }
     }

LeCountdown/Sound/DelaySoundPlayer.swift

@@ -63,6 +63,8 @@ import AVFoundation
         Logger.log("audioPlayerDidFinishPlaying: successfully = \(flag)")
 //        Conductor.maestro.cancelSoundPlayer(id: self._timerID)
         Conductor.maestro.cleanupLiveActivities()
+        
+        self.stop()
     }
     
 }

LeCountdown/Sound/SoundPlayer.swift

@@ -76,6 +76,7 @@ enum SoundPlayerError : Error {
     
     func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
         Conductor.maestro.deactivateAudioSessionIfPossible()
+        self.stop()
     }
     
     func audioPlayerDecodeErrorDidOccur(_ player: AVAudioPlayer, error: Error?) {