Add support to list galleries with sort

lib/api/client.dart

@@ -43,6 +43,22 @@ enum ThumbnailAlign {
   static const bottom = right;
 }
 
+enum SortByGid {
+  none,
+  asc,
+  desc;
+  bool? toBool() {
+    switch (this) {
+      case SortByGid.asc:
+        return true;
+      case SortByGid.desc:
+        return false;
+      default:
+        return null;
+    }
+  }
+}
+
 @RestApi()
 abstract class _EHApi {
   factory _EHApi(Dio dio, {required String baseUrl}) = __EHApi;
@@ -130,6 +146,7 @@ abstract class _EHApi {
       {@Query("all") bool? all,
       @Query("offset") int? offset,
       @Query("limit") int? limit,
+      @Query("sort_by_gid") bool? sortByGid,
       @CancelRequest() CancelToken? cancel});
 
   @GET('/tag/{id}')

lib/api/client.g.dart

@@ -530,6 +530,7 @@ class __EHApi implements _EHApi {
     bool? all,
     int? offset,
     int? limit,
+    bool? sortByGid,
     CancelToken? cancel,
   }) async {
     const _extra = <String, dynamic>{};
@@ -537,6 +538,7 @@ class __EHApi implements _EHApi {
       r'all': all,
       r'offset': offset,
       r'limit': limit,
+      r'sort_by_gid': sortByGid,
     };
     queryParameters.removeWhere((k, v) => v == null);
     final _headers = <String, dynamic>{};

lib/galleries.dart

@@ -3,13 +3,15 @@ import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:go_router/go_router.dart';
 import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
 import 'package:logging/logging.dart';
+import 'api/client.dart';
 import 'api/gallery.dart';
 import 'globals.dart';
 
 final _log = Logger("GalleriesPage");
 
 class GalleriesPage extends StatefulWidget {
-  const GalleriesPage({Key? key}) : super(key: key);
+  const GalleriesPage({Key? key, this.sortByGid}) : super(key: key);
+  final SortByGid? sortByGid;
 
   static const String routeName = '/galleries';
 
@@ -19,14 +21,17 @@ class GalleriesPage extends StatefulWidget {
 
 class _GalleriesPage extends State<GalleriesPage> with ThemeModeWidget {
   static const int _pageSize = 20;
+  bool? _sortByGid;
+  SortByGid _sortByGid2 = SortByGid.none;
 
   final PagingController<int, GMeta> _pagingController =
       PagingController(firstPageKey: 0);
 
   Future<void> _fetchPage(int pageKey) async {
     try {
-      final list =
-          (await api.listGalleries(offset: pageKey, limit: _pageSize)).unwrap();
+      final list = (await api.listGalleries(
+              offset: pageKey, limit: _pageSize, sortByGid: _sortByGid))
+          .unwrap();
       final isLastPage = list.length < _pageSize;
       if (isLastPage) {
         _pagingController.appendLastPage(list);
@@ -42,6 +47,14 @@ class _GalleriesPage extends State<GalleriesPage> with ThemeModeWidget {
 
   @override
   void initState() {
+    try {
+      _sortByGid2 = widget.sortByGid != null
+          ? widget.sortByGid!
+          : SortByGid.values[prefs.getInt("sortByGid") ?? 0];
+      _sortByGid = _sortByGid2.toBool();
+    } catch (e) {
+      _log.warning("Failed to load sortByGid from prefs:", e);
+    }
     _pagingController.addPageRequestListener((pageKey) {
       _fetchPage(pageKey);
     });
@@ -61,6 +74,37 @@ class _GalleriesPage extends State<GalleriesPage> with ThemeModeWidget {
             ),
             title: Text(AppLocalizations.of(context)!.galleries),
             actions: [
+              Padding(
+                  padding: const EdgeInsets.only(top: 4.0),
+                  child: DropdownMenu<SortByGid>(
+                    initialSelection: _sortByGid2,
+                    onSelected: (v) {
+                      if (v != null) {
+                        prefs.setInt("sortByGid", v!.index).catchError((error) {
+                          _log.warning(
+                              "Failed to save sortByGid to prefs:", error);
+                        });
+                        context.pushReplacementNamed("/galleries",
+                            queryParameters: {
+                              "sortByGid": [v!.index.toString()],
+                            });
+                      }
+                    },
+                    label: Text(AppLocalizations.of(context)!.sortByGid,
+                        style: Theme.of(context).primaryTextTheme.labelMedium),
+                    dropdownMenuEntries: [
+                      DropdownMenuEntry(
+                          value: SortByGid.none,
+                          label: AppLocalizations.of(context)!.none),
+                      DropdownMenuEntry(
+                          value: SortByGid.asc,
+                          label: AppLocalizations.of(context)!.asc),
+                      DropdownMenuEntry(
+                          value: SortByGid.desc,
+                          label: AppLocalizations.of(context)!.desc),
+                    ],
+                    leadingIcon: const Icon(Icons.sort),
+                  )),
               buildThemeModeIcon(context),
               buildMoreVertSettingsButon(context),
             ]),

lib/l10n/app_en.arb

@@ -31,5 +31,9 @@
     "copyImgUrl": "Copy image URL to clipboard",
     "retry": "Retry",
     "displayAd": "Display Ad pages",
-    "showTranslatedTag": "Show translated tag (Chinese only)"
+    "showTranslatedTag": "Show translated tag (Chinese only)",
+    "none": "none",
+    "sortByGid": "Sort by gallery id",
+    "asc": "Ascending",
+    "desc": "Descending"
 }

lib/l10n/app_zh.arb

@@ -31,5 +31,9 @@
     "copyImgUrl": "复制图片链接到剪贴板",
     "retry": "重试",
     "displayAd": "显示广告页面",
-    "showTranslatedTag": "显示标签翻译（仅限中文）"
+    "showTranslatedTag": "显示标签翻译（仅限中文）",
+    "none": "无",
+    "sortByGid": "按画廊ID排序",
+    "asc": "升序",
+    "desc": "降序"
 }

lib/main.dart

@@ -6,6 +6,7 @@ import 'package:flutter_web_plugins/url_strategy.dart';
 import 'package:go_router/go_router.dart';
 import 'package:logging/logging.dart';
 import 'package:window_manager/window_manager.dart';
+import 'api/client.dart';
 import 'create_root_user.dart';
 import 'galleries.dart';
 import 'gallery.dart';
@@ -42,9 +43,20 @@ final _router = GoRouter(
       builder: (context, state) => const SettingsPage(),
     ),
     GoRoute(
-      path: GalleriesPage.routeName,
-      builder: (context, state) => const GalleriesPage(),
-    ),
+        name: GalleriesPage.routeName,
+        path: GalleriesPage.routeName,
+        builder: (context, state) {
+          SortByGid? sortByGid;
+          try {
+            if (state.uri.queryParameters.containsKey("sortByGid")) {
+              sortByGid = SortByGid
+                  .values[int.parse(state.uri.queryParameters["sortByGid"]!)];
+            }
+          } catch (e) {
+            _routerLog.warning("Failed to load sortByGid from prefs:", e);
+          }
+          return GalleriesPage(sortByGid: sortByGid);
+        }),
     GoRoute(
         path: GalleryPage.routeName,
         builder: (context, state) => GalleryPage(