Light theme default + yt-dlp search fallback

2026-08-22 13:02:32 +01:00
commit 7704cae4a0
282 changed files with 52324 additions and 0 deletions
@@ -0,0 +1,33 @@
+import '../models/channel_details.dart';
+import 'youtube_service.dart';
+
+class ChannelPreviewMetadataService {
+  ChannelPreviewMetadataService._();
+
+  static final ChannelPreviewMetadataService instance =
+      ChannelPreviewMetadataService._();
+
+  final YoutubeService _youtube = YoutubeService();
+
+  final Map<String, Future<ChannelDetails?>> _channelCache =
+      <String, Future<ChannelDetails?>>{};
+
+  Future<ChannelDetails?> getChannel(
+    String? channelId,
+  ) {
+    final id = channelId?.trim() ?? '';
+
+    if (id.isEmpty) {
+      return Future<ChannelDetails?>.value(null);
+    }
+
+    return _channelCache.putIfAbsent(
+      id,
+      () => _youtube.getChannelPreviewDetails(id),
+    );
+  }
+
+  void invalidate(String channelId) {
+    _channelCache.remove(channelId);
+  }
+}