feat(meta): Cleanup

lib/src/data/anime.dart

@@ -1,62 +1,9 @@
+import 'package:anitrack/src/data/type.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 
 part 'anime.freezed.dart';
 part 'anime.g.dart';
 
-/// The watch state of an anime
-enum AnimeTrackingState {
-  watching,    // 0
-  completed,   // 1
-  planToWatch, // 2
-  dropped,     // 3
-  /// This is a pseudo state, i.e. it should never be set
-  all,         // -1
-}
-
-extension AnimeTrackStateExtension on AnimeTrackingState {
-  int toInteger() {
-    assert(this != AnimeTrackingState.all, 'AnimeTrackingState.all must not be serialized');
-    switch (this) {
-      case AnimeTrackingState.watching: return 0;
-      case AnimeTrackingState.completed: return 1;
-      case AnimeTrackingState.planToWatch: return 2;
-      case AnimeTrackingState.dropped: return 3;
-      case AnimeTrackingState.all: return -1;
-    }
-  }
-
-  String toNameString() {
-    assert(this != AnimeTrackingState.all, 'AnimeTrackingState.all must not be stringified');
-
-    switch (this) {
-      case AnimeTrackingState.watching: return 'Watching';
-      case AnimeTrackingState.completed: return 'Completed';
-      case AnimeTrackingState.planToWatch: return 'Plan to watch';
-      case AnimeTrackingState.dropped: return 'Dropped';
-      case AnimeTrackingState.all: return 'All';
-    }
-  }
-}
-
-class AnimeTrackingStateConverter implements JsonConverter<AnimeTrackingState, int> {
-  const AnimeTrackingStateConverter();
-
-  @override
-  AnimeTrackingState fromJson(int json) {
-    switch (json) {
-      case 0: return AnimeTrackingState.watching;
-      case 1: return AnimeTrackingState.completed;
-      case 2: return AnimeTrackingState.planToWatch;
-      case 3: return AnimeTrackingState.dropped;
-    }
-
-    return AnimeTrackingState.planToWatch;
-  }
-  
-  @override
-  int toJson(AnimeTrackingState state) => state.toInteger();
-}
-
 /// Data about a tracked anime
 @freezed
 class AnimeTrackingData with _$AnimeTrackingData{
@@ -64,7 +11,7 @@ class AnimeTrackingData with _$AnimeTrackingData{
     /// The ID of the anime
     String id,
     /// The state of the anime
-    @AnimeTrackingStateConverter() AnimeTrackingState state,
+    @MediumTrackingStateConverter() MediumTrackingState state,
     /// The title of the anime
     String title,
     /// Episodes in total.