add artist radio

TODO.md

@@ -14,8 +14,6 @@
 - [ ] Library list display modes
 - [ ] Search
   - [ ] Individual "more" results pages
-- [ ] Radio modes
-  - [ ] Artist
 - [ ] Now playing gestures
   - [ ] Swipe bar/album to skip
   - [ ] Double-tap to seek forward/back (bar only)

lib/app/pages/artist_page.dart

@@ -1,13 +1,19 @@
 import 'dart:math';
 
 import 'package:auto_route/auto_route.dart';
+import 'package:fast_immutable_collections/fast_immutable_collections.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 
+import '../../database/database.dart';
+import '../../models/query.dart';
+import '../../models/support.dart';
+import '../../services/audio_service.dart';
 import '../../state/music.dart';
 import '../../state/settings.dart';
 import '../app_router.dart';
+import '../buttons.dart';
 import '../images.dart';
 import '../items.dart';
 
@@ -27,6 +33,26 @@ class ArtistPage extends HookConsumerWidget {
     final albums = ref.watch(albumsByArtistIdProvider(id));
 
     return Scaffold(
+      floatingActionButton: RadioPlayFab(
+        onPressed: () => artist.hasValue
+            ? ref.read(audioControlProvider).playRadio(
+                  context: QueueContextType.artist,
+                  contextId: artist.valueOrNull!.id,
+                  query: ListQuery(
+                    filters: IList([
+                      FilterWith.equals(
+                        column: 'artist_id',
+                        value: artist.valueOrNull!.id,
+                      )
+                    ]),
+                  ),
+                  getSongs: (query) => ref
+                      .read(databaseProvider)
+                      .songsList(ref.read(sourceIdProvider), query)
+                      .get(),
+                )
+            : null,
+      ),
       body: CustomScrollView(
         slivers: [
           SliverToBoxAdapter(

lib/models/support.dart

@@ -68,7 +68,8 @@ enum QueueContextType {
   album('album'),
   playlist('playlist'),
   library('library'),
-  genre('genre');
+  genre('genre'),
+  artist('artist');
 
   const QueueContextType(this.value);
   final String value;

lib/models/support.g.dart

@@ -28,6 +28,7 @@ const _$QueueContextTypeEnumMap = {
   QueueContextType.playlist: 'playlist',
   QueueContextType.library: 'library',
   QueueContextType.genre: 'genre',
+  QueueContextType.artist: 'artist',
 };
 
 _$_MediaItemData _$$_MediaItemDataFromJson(Map<String, dynamic> json) =>