common: Remove platform interface

desktop/lib/main.dart

@@ -4,7 +4,6 @@ import 'package:path/path.dart' as p;
 import 'package:path_provider/path_provider.dart' as pp;
 
 import 'settings.dart';
-import 'platform.dart';
 import 'playback.dart';
 
 Future<void> main() async {
@@ -16,7 +15,6 @@ Future<void> main() async {
   runApp(MusicusApp(
     dbPath: dbPath,
     settingsStorage: SettingsStorage(),
-    platform: MusicusDesktopPlatform(),
     playback: MusicusDesktopPlayback(),
   ));
 }

desktop/lib/platform.dart

@@ -1,58 +0,0 @@
-import 'dart:io';
-
-import 'package:file_picker/file_picker.dart';
-import 'package:musicus_common/musicus_common.dart';
-import 'package:path/path.dart' as p;
-
-class MusicusDesktopPlatform extends MusicusPlatform {
-  @override
-  Future<String> chooseBasePath() async {
-    return await FilePicker.platform.getDirectoryPath();
-  }
-
-  @override
-  Future<List<Document>> getChildren(String parentId) async {
-    final List<Document> result = [];
-
-    final parent = Directory(parentId ?? basePath);
-    await for (final fse in parent.list()) {
-      result.add(Document(
-        id: fse.path,
-        name: p.basename(fse.path),
-        parent: parentId,
-        isDirectory: fse is Directory,
-      ));
-    }
-
-    return result;
-  }
-
-  @override
-  Future<String> getIdentifier(String parentId, String fileName) async {
-    return p.absolute(parentId, fileName);
-  }
-
-  @override
-  Future<String> readDocument(String id) async {
-    try {
-      return await File(id).readAsString();
-    } on FileSystemException {
-      return null;
-    }
-  }
-
-  @override
-  Future<String> readDocumentByName(String parentId, String fileName) async {
-    try {
-      return await File(p.absolute(parentId, fileName)).readAsString();
-    } on FileSystemException {
-      return null;
-    }
-  }
-
-  @override
-  Future<void> writeDocumentByName(
-      String parentId, String fileName, String contents) async {
-    await File(p.absolute(parentId, fileName)).writeAsString(contents);
-  }
-}

desktop/lib/playback.dart

@@ -1,13 +1,12 @@
 import 'package:musicus_common/musicus_common.dart';
-import 'package:musicus_database/musicus_database.dart';
 
 class MusicusDesktopPlayback extends MusicusPlayback {
   @override
-  Future<void> setup() async {}
+  Future<void> setup(MusicusLibrary library) async {}
 
   @override
-  Future<void> addTracks(List<Track> tracks) async {
-    final List<Track> newPlaylist = List.from(playlist.value);
+  Future<void> addTracks(List<String> tracks) async {
+    final List<String> newPlaylist = List.from(playlist.value);
     newPlaylist.addAll(tracks);
     playlist.add(newPlaylist);
     active.add(true);
@@ -20,7 +19,7 @@ class MusicusDesktopPlayback extends MusicusPlayback {
 
   @override
   Future<void> removeTrack(int index) async {
-    final List<Track> tracks = List.from(playlist.value);
+    final List<String> tracks = List.from(playlist.value);
     tracks.removeAt(index);
     playlist.add(tracks);
   }
@@ -29,7 +28,7 @@ class MusicusDesktopPlayback extends MusicusPlayback {
   Future<void> seekTo(double pos) async {
     if (active.value && pos >= 0.0 && pos <= 1.0) {
       final durationMs = duration.value.inMilliseconds;
-      updatePosition((pos * durationMs).floor());
+      updatePosition(Duration(milliseconds: (pos * durationMs).floor()));
     }
   }
 

desktop/pubspec.yaml

@@ -1,6 +1,7 @@
 name: musicus_desktop
 version: 0.1.0
 description: Desktop version of the classical music player and organizer.
+publish_to: none
 
 environment:
   sdk: ">=2.3.0 <3.0.0"