feat: Implement single tracks downloading

lib/funkblubber.dart

@@ -19,6 +19,10 @@ Future<bool> download({
       success = await _downloadArtist(object, path);
       break;
 
+    case FunkEntity.track:
+      success = await _downloadTrack(object, path);
+      break;
+
     default:
       console.info('   nothing...');
       break;
@@ -100,11 +104,11 @@ Future<bool> _downloadAlbum(
   for (final songResponse in response.data['results']) {
     final String songTitle = songResponse['title'];
     final String ext = songResponse['uploads'][0]['extension'];
-    final result = _downloadSongObject(
+    final result = _downloadTrackObject(
       FunkObject(
         domain: object.domain,
         id: songResponse['listen_url'],
-        kind: FunkEntity.song,
+        kind: FunkEntity.track,
       ),
       '$path/$pathAppend/$songTitle.$ext',
     );
@@ -116,7 +120,27 @@ Future<bool> _downloadAlbum(
   return successes.every((final success) => success);
 }
 
-Future<bool> _downloadSongObject(
+Future<bool> _downloadTrack(
+  final FunkObject object,
+  final String path,
+) async {
+  final response = await Dio().get(
+    'https://${object.domain}/api/v1/tracks/${object.id}/?refresh=false',
+  );
+
+  final String songTitle = response.data['title'];
+  final String ext = response.data['uploads'][0]['extension'];
+  return _downloadTrackObject(
+    FunkObject(
+      domain: object.domain,
+      id: response.data['uploads'][0]['listen_url'],
+      kind: FunkEntity.track,
+    ),
+    '$path/$songTitle.$ext',
+  );
+}
+
+Future<bool> _downloadTrackObject(
   final FunkObject object,
   final String path,
 ) async {

lib/funkentity.dart

@@ -1,7 +1,5 @@
 enum FunkEntity {
-  error,
-
-  song,
+  track,
   album,
   artist,
   profile,

lib/parser.dart

@@ -1,51 +0,0 @@
-import 'package:funkblubber/funkentity.dart';
-import 'package:funkblubber/console.dart' as console;
-
-FunkObject extract(final List<String> args) {
-  FunkObject result = FunkObject(
-    kind: FunkEntity.error,
-    id: '',
-    domain: '',
-  );
-
-  if (args.isEmpty) {
-    console.error('no arguments provided');
-    return result;
-  }
-
-  try {
-    final Uri uri = Uri.parse(args[0]);
-
-    final segments = uri.pathSegments;
-    for (int i = 0; i < segments.length; ++i) {
-      switch (segments[i]) {
-        case 'artists':
-          result = FunkObject(
-            kind: FunkEntity.artist,
-            id: segments[i + 1],
-            domain: uri.host,
-          );
-          ++i;
-          break;
-
-        case 'albums':
-          result = FunkObject(
-            kind: FunkEntity.album,
-            id: segments[i + 1],
-            domain: uri.host,
-          );
-          ++i;
-          break;
-      }
-    }
-  } catch (e) {
-    console.error(e.toString());
-    result = FunkObject(
-      kind: FunkEntity.error,
-      id: '',
-      domain: '',
-    );
-  }
-
-  return result;
-}

lib/parsing/parser.dart

@@ -70,6 +70,17 @@ ParseResult extract(final List<String> args) {
         result = stageResult.result;
         break;
 
+      case ParsingStage.track:
+        final stageResult = _onEntityStage(
+          arg,
+          result,
+          currentStage,
+          FunkEntity.track,
+        );
+        currentStage = stageResult.stage;
+        result = stageResult.result;
+        break;
+
       case ParsingStage.domain:
         final stageResult = _onDomainStage(arg, result, currentStage);
         currentStage = stageResult.stage;
@@ -102,6 +113,8 @@ usage: funkblubber [[-OPTIONS|URL]...]
 
       [-A|--artist ID] Provide with artist ID to download their albums.
 
+      [-t|--track ID] Provide with track ID to download a single track entity.
+
       [-p|--path PATH] Provide to explicitly define download directory.
                        Assumed '.'.
 
@@ -219,6 +232,10 @@ StageResult _onNothingStage(
     case '--album':
       currentStage = ParsingStage.album;
       break;
+    case '-t':
+    case '--track':
+      currentStage = ParsingStage.track;
+      break;
     case '-u':
     case '--upload':
       currentStage = ParsingStage.upload;
@@ -256,6 +273,19 @@ StageResult _onNothingStage(
               ++i;
               break;
 
+            case 'tracks':
+              result = ParseResult(
+                action: Action.download,
+                success: true,
+                object: FunkObject(
+                  kind: FunkEntity.track,
+                  id: segments[i + 1],
+                  domain: uri.host,
+                ),
+              );
+              ++i;
+              break;
+
             case 'albums':
               result = ParseResult(
                 action: Action.download,

lib/parsing/parsing_stage.dart

@@ -2,7 +2,7 @@ enum ParsingStage {
   nothing,
   album,
   artist,
-  song,
+  track,
   path,
   upload,
   domain,