0.5.7 - Sleep timer

lib/api/cache.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:freezer/api/deezer.dart';
 import 'package:freezer/api/definitions.dart';
 import 'package:freezer/ui/details_screens.dart';
@@ -41,6 +43,12 @@ class Cache {
   @JsonKey(defaultValue: SortType.DEFAULT)
   SortType trackSort;
 
+  //Sleep timer
+  @JsonKey(ignore: true)
+  DateTime sleepTimerTime;
+  @JsonKey(ignore: true)
+  StreamSubscription sleepTimer;
+
   //If download threads warning was shown
   @JsonKey(defaultValue: false)
   bool threadsWarning;

lib/api/player.dart

@@ -336,6 +336,7 @@ class AudioPlayerTask extends BackgroundAudioTask {
     //Restore position on play
     if (_lastPosition != null) {
       onSeekTo(_lastPosition);
+      _lastPosition = null;
     }
   }