Added support for scrobbling to Libre.fm

nrubin29 · Aug 14, 2021 · 2011e1b · 2011e1b
1 parent 2c02afe
commit 2011e1b
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Showing 3 changed files with 81 additions and 13 deletions.
diff --git a/lib/services/lastfm/lastfm.dart b/lib/services/lastfm/lastfm.dart
@@ -10,7 +10,7 @@ import 'package:finale/services/lastfm/track.dart';
 import 'package:finale/services/lastfm/user.dart';
 import 'package:finale/util/preferences.dart';
 
-Uri _buildUri(String method, Map<String, dynamic> data) {
+Uri _buildUri(String method, Map<String, dynamic> data, {bool libre = false}) {
   final allData = {
     ...data.map((key, value) => MapEntry(key, value.toString())),
     'api_key': apiKey,
@@ -27,17 +27,18 @@ Uri _buildUri(String method, Map<String, dynamic> data) {
 
   return Uri(
       scheme: 'https',
-      host: 'ws.audioscrobbler.com',
-      path: '2.0',
+      host: libre ? 'libre.fm' : 'ws.audioscrobbler.com',
+      path: '2.0/',
       queryParameters: allData);
 }
 
 Future<Map<String, dynamic>> _doRequest(
     String method, Map<String, dynamic> data,
-    {bool post = false}) async {
-  final uri = _buildUri(method, data);
-  final response =
-      post ? await httpClient.post(uri) : await httpClient.get(uri);
+    {bool post = false, bool libre = false}) async {
+  final uri = _buildUri(method, data, libre: libre);
+  final response = post
+      ? await httpClient.post(uri, body: libre ? uri.queryParameters : null)
+      : await httpClient.get(uri);
 
   dynamic jsonObject;
 
@@ -247,10 +248,10 @@ class UserGetTrackScrobblesRequest extends PagedRequest<LUserTrackScrobble> {
 }
 
 class Lastfm {
-  static Future<LAuthenticationResponseSession> authenticate(
-      String token) async {
-    final rawResponse =
-        await _doRequest('auth.getSession', {'token': token}, post: true);
+  static Future<LAuthenticationResponseSession> authenticate(String token,
+      {bool libre = false}) async {
+    final rawResponse = await _doRequest('auth.getSession', {'token': token},
+        post: true, libre: libre);
     return LAuthenticationResponseSession.fromJson(rawResponse['session']);
   }
 
@@ -355,7 +356,6 @@ class Lastfm {
   static Future<LScrobbleResponseScrobblesAttr> scrobble(
       List<Track> tracks, List<DateTime> timestamps) async {
     final data = <String, dynamic>{};
-    data['sk'] = Preferences().key;
 
     tracks.asMap().forEach((i, track) {
       if (track.albumName?.isNotEmpty ?? false) {
@@ -367,7 +367,15 @@ class Lastfm {
       data['timestamp[$i]'] = timestamps[i].millisecondsSinceEpoch ~/ 1000;
     });
 
-    final rawResponse = await _doRequest('track.scrobble', data, post: true);
+    if (Preferences().libreEnabled) {
+      await _doRequest(
+          'track.scrobble', {...data, 'sk': Preferences().libreKey},
+          post: true, libre: true);
+    }
+
+    final rawResponse = await _doRequest(
+        'track.scrobble', {...data, 'sk': Preferences().key},
+        post: true);
     return LScrobbleResponseScrobblesAttr.fromJson(
         rawResponse['scrobbles']['@attr']);
   }

diff --git a/lib/util/preferences.dart b/lib/util/preferences.dart
@@ -182,6 +182,25 @@ class Preferences {
     _spotifyEnabledChange.add(null);
   }
 
+  String? get libreKey => _preferences.getString('libreKey');
+
+  set libreKey(String? value) {
+    if (value != null) {
+      _preferences.setString('libreKey', value);
+    } else {
+      _preferences.remove('libreKey');
+    }
+  }
+
+  bool get libreEnabled => _preferences.getBool('libreEnabled') ?? false;
+
+  set libreEnabled(bool value) => _preferences.setBool('libreEnabled', value);
+
+  void clearLibre() {
+    libreEnabled = false;
+    libreKey = null;
+  }
+
   SearchEngine get searchEngine {
     if (!_preferences.containsKey('searchEngine')) {
       _preferences.setInt('searchEngine', SearchEngine.lastfm.index);

diff --git a/lib/widgets/settings/search_engine_settings_view.dart b/lib/widgets/settings/search_engine_settings_view.dart
@@ -1,7 +1,11 @@
+import 'package:finale/env.dart';
+import 'package:finale/services/lastfm/lastfm.dart';
 import 'package:finale/util/preferences.dart';
 import 'package:finale/util/util.dart';
 import 'package:finale/widgets/entity/spotify/spotify_dialog.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_web_auth/flutter_web_auth.dart';
 import 'package:social_media_buttons/social_media_icons.dart';
 
 class SearchEngineSettingsView extends StatefulWidget {
@@ -11,11 +15,13 @@ class SearchEngineSettingsView extends StatefulWidget {
 
 class _SearchEngineSettingsViewState extends State<SearchEngineSettingsView> {
   late bool _spotifyEnabled;
+  late bool _libreEnabled;
 
   @override
   void initState() {
     super.initState();
     _spotifyEnabled = Preferences().spotifyEnabled;
+    _libreEnabled = Preferences().libreEnabled;
   }
 
   void _logOutSpotify() {
@@ -76,6 +82,41 @@ class _SearchEngineSettingsViewState extends State<SearchEngineSettingsView> {
             },
           ),
         ),
+        ListTile(
+          title: Row(children: const [Text('Libre.fm')]),
+          leading: const Icon(Icons.rss_feed),
+          trailing: Switch(
+            value: _libreEnabled,
+            onChanged: (value) async {
+              if (value && Preferences().libreKey == null) {
+                try {
+                  final result = await FlutterWebAuth.authenticate(
+                      url: Uri.https('libre.fm', 'api/auth', {
+                        'api_key': apiKey,
+                        'cb': authCallbackUrl
+                      }).toString(),
+                      callbackUrlScheme: 'finale');
+                  final token = Uri.parse(result).queryParameters['token']!;
+                  final session = await Lastfm.authenticate(token, libre: true);
+                  Preferences().libreKey = session.key;
+                } on PlatformException catch (e) {
+                  assert(() {
+                    throw e;
+                  }());
+                  return;
+                }
+              }
+
+              _libreEnabled = (Preferences().libreEnabled = value);
+
+              setState(() {
+                if (!_libreEnabled) {
+                  Preferences().clearLibre();
+                }
+              });
+            },
+          ),
+        ),
       ]),
     );
   }