Configure amount of songs played with shuffle all

lib/components/AudioServiceSettingsScreen/SongShuffleItemCountEditor.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+import '../../services/FinampSettingsHelper.dart';
+
+class SongShuffleItemCountEditor extends StatefulWidget {
+  const SongShuffleItemCountEditor({Key? key}) : super(key: key);
+
+  @override
+  _SongShuffleItemCountEditorState createState() =>
+      _SongShuffleItemCountEditorState();
+}
+
+class _SongShuffleItemCountEditorState
+    extends State<SongShuffleItemCountEditor> {
+  final _controller = TextEditingController(
+      text:
+          FinampSettingsHelper.finampSettings.songShuffleItemCount.toString());
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      title: Text("Song Shuffle Song Count"),
+      subtitle: Text(
+          "Amount of songs to load when using the shuffle all songs button. Has no effect in offline mode."),
+      trailing: SizedBox(
+        width: 50 * MediaQuery.of(context).textScaleFactor,
+        child: TextField(
+          controller: _controller,
+          textAlign: TextAlign.center,
+          keyboardType: TextInputType.number,
+          onChanged: (value) {
+            final valueInt = int.tryParse(value);
+
+            if (valueInt != null) {
+              FinampSettingsHelper.setSongShuffleItemCount(valueInt);
+            }
+          },
+        ),
+      ),
+    );
+  }
+}

lib/models/FinampModels.dart

@@ -36,22 +36,26 @@ class FinampUser {
   BaseItemDto? get currentView => views[currentViewId];
 }
 
+// These consts are so that we can easily keep the same default for
+// FinampSettings's constructor and Hive's defaultValue.
+const _songShuffleItemCountDefault = 250;
+
 @HiveType(typeId: 28)
 class FinampSettings {
-  FinampSettings({
-    this.isOffline = false,
-    this.shouldTranscode = false,
-    this.transcodeBitrate = 320000,
-    // downloadLocations is required since the other values can be created with
-    // default values. create() is used to return a FinampSettings with
-    // downloadLocations.
-    required this.downloadLocations,
-    this.androidStopForegroundOnPause = true,
-    required this.showTabs,
-    this.isFavourite = false,
-    this.sortBy = SortBy.sortName,
-    this.sortOrder = SortOrder.ascending,
-  });
+  FinampSettings(
+      {this.isOffline = false,
+      this.shouldTranscode = false,
+      this.transcodeBitrate = 320000,
+      // downloadLocations is required since the other values can be created with
+      // default values. create() is used to return a FinampSettings with
+      // downloadLocations.
+      required this.downloadLocations,
+      this.androidStopForegroundOnPause = true,
+      required this.showTabs,
+      this.isFavourite = false,
+      this.sortBy = SortBy.sortName,
+      this.sortOrder = SortOrder.ascending,
+      this.songShuffleItemCount = _songShuffleItemCountDefault});
 
   @HiveField(0)
   bool isOffline;
@@ -62,7 +66,7 @@ class FinampSettings {
   @HiveField(3)
   List<DownloadLocation> downloadLocations;
   @HiveField(4)
-  late bool androidStopForegroundOnPause;
+  bool androidStopForegroundOnPause;
   @HiveField(5)
   Map<TabContentType, bool> showTabs;
 
@@ -79,6 +83,10 @@ class FinampSettings {
   @HiveField(8)
   SortOrder sortOrder;
 
+  /// Amount of songs to get when shuffling songs.
+  @HiveField(9, defaultValue: _songShuffleItemCountDefault)
+  int songShuffleItemCount;
+
   static Future<FinampSettings> create() async {
     Directory internalSongDir = await getInternalSongDir();
     return FinampSettings(

lib/screens/AudioServiceSettingsScreen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 
 import '../components/AudioServiceSettingsScreen/StopForegroundSelector.dart';
+import '../components/AudioServiceSettingsScreen/SongShuffleItemCountEditor.dart';
 
 class AudioServiceSettingsScreen extends StatelessWidget {
   const AudioServiceSettingsScreen({Key? key}) : super(key: key);
@@ -13,7 +14,10 @@ class AudioServiceSettingsScreen extends StatelessWidget {
       ),
       body: Scrollbar(
         child: ListView(
-          children: [StopForegroundSelector()],
+          children: [
+            StopForegroundSelector(),
+            SongShuffleItemCountEditor(),
+          ],
         ),
       ),
     );

lib/services/AudioServiceHelper.dart

@@ -273,6 +273,8 @@ class AudioServiceHelper {
         parentItem: _jellyfinApiData.currentUser!.currentView,
         includeItemTypes: "Audio",
         filters: isFavourite ? "IsFavorite" : null,
+        limit: FinampSettingsHelper.finampSettings.songShuffleItemCount,
+        sortBy: "Random",
       );
     }
 

lib/services/FinampSettingsHelper.dart

@@ -101,4 +101,11 @@ class FinampSettingsHelper {
     Hive.box<FinampSettings>("FinampSettings")
         .put("FinampSettings", finampSettingsTemp);
   }
+
+  static void setSongShuffleItemCount(int songShuffleItemCount) {
+    FinampSettings finampSettingsTemp = finampSettings;
+    finampSettingsTemp.songShuffleItemCount = songShuffleItemCount;
+    Hive.box<FinampSettings>("FinampSettings")
+        .put("FinampSettings", finampSettingsTemp);
+  }
 }