fix #98

lib/pages/reader/loading.dart

@@ -0,0 +1,101 @@
+part of 'reader.dart';
+
+class ReaderWithLoading extends StatefulWidget {
+  const ReaderWithLoading({
+    super.key,
+    required this.id,
+    required this.sourceKey,
+  });
+
+  final String id;
+
+  final String sourceKey;
+
+  @override
+  State<ReaderWithLoading> createState() => _ReaderWithLoadingState();
+}
+
+class _ReaderWithLoadingState
+    extends LoadingState<ReaderWithLoading, ReaderProps> {
+  @override
+  Widget buildContent(BuildContext context, ReaderProps data) {
+    return Reader(
+      type: data.type,
+      cid: data.cid,
+      name: data.name,
+      chapters: data.chapters,
+      history: data.history,
+    );
+  }
+
+  @override
+  Future<Res<ReaderProps>> loadData() async {
+    var comicSource = ComicSource.find(widget.sourceKey);
+    var history = HistoryManager().findSync(
+      widget.id,
+      ComicType.fromKey(widget.sourceKey),
+    );
+    if (comicSource == null) {
+      var localComic = LocalManager().find(
+        widget.id,
+        ComicType.fromKey(widget.sourceKey),
+      );
+      if (localComic == null) {
+        return Res.error("comic not found");
+      }
+      return Res(
+        ReaderProps(
+          type: ComicType.fromKey(widget.sourceKey),
+          cid: widget.id,
+          name: localComic.title,
+          chapters: localComic.chapters,
+          history: history ??
+              History.fromModel(
+                model: localComic,
+                ep: 0,
+                page: 0,
+              ),
+        ),
+      );
+    } else {
+      var comic = await comicSource.loadComicInfo!(widget.id);
+      if (comic.error) {
+        return Res.fromErrorRes(comic);
+      }
+      return Res(
+        ReaderProps(
+          type: ComicType.fromKey(widget.sourceKey),
+          cid: widget.id,
+          name: comic.data.title,
+          chapters: comic.data.chapters,
+          history: history ??
+              History.fromModel(
+                model: comic.data,
+                ep: 0,
+                page: 0,
+              ),
+        ),
+      );
+    }
+  }
+}
+
+class ReaderProps {
+  final ComicType type;
+
+  final String cid;
+
+  final String name;
+
+  final Map<String, String>? chapters;
+
+  final History history;
+
+  const ReaderProps({
+    required this.type,
+    required this.cid,
+    required this.name,
+    required this.chapters,
+    required this.history,
+  });
+}

lib/pages/reader/reader.dart

@@ -18,11 +18,13 @@ import 'package:venera/components/custom_slider.dart';
 import 'package:venera/foundation/app.dart';
 import 'package:venera/foundation/appdata.dart';
 import 'package:venera/foundation/cache_manager.dart';
+import 'package:venera/foundation/comic_source/comic_source.dart';
 import 'package:venera/foundation/comic_type.dart';
 import 'package:venera/foundation/history.dart';
 import 'package:venera/foundation/image_provider/reader_image.dart';
 import 'package:venera/foundation/local.dart';
 import 'package:venera/foundation/log.dart';
+import 'package:venera/foundation/res.dart';
 import 'package:venera/pages/settings/settings_page.dart';
 import 'package:venera/utils/data_sync.dart';
 import 'package:venera/utils/file_type.dart';
@@ -36,6 +38,7 @@ part 'scaffold.dart';
 part 'images.dart';
 part 'gesture.dart';
 part 'comic_image.dart';
+part 'loading.dart';
 
 extension _ReaderContext on BuildContext {
   _ReaderState get reader => findAncestorStateOfType<_ReaderState>()!;