feat: sort fav folder

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/fav/video/controller.dart

@@ -39,7 +39,7 @@ class FavController
   @override
   Future<LoadingState<FavFolderData>> customGetData() => UserHttp.userfavFolder(
         pn: currentPage,
-        ps: 10,
+        ps: 20,
         mid: mid,
       );
 }

lib/pages/fav/video/fav_folder_sort_page.dart

@@ -0,0 +1,138 @@
+import 'package:PiliPlus/http/loading_state.dart';
+import 'package:PiliPlus/http/user.dart';
+import 'package:PiliPlus/models/user/fav_folder.dart';
+import 'package:PiliPlus/pages/fav/video/controller.dart';
+import 'package:PiliPlus/pages/fav/video/widgets/item.dart';
+import 'package:PiliPlus/utils/extension.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:get/get.dart';
+
+class FavFolderSortPage extends StatefulWidget {
+  const FavFolderSortPage({super.key, required this.favController});
+
+  final FavController favController;
+
+  @override
+  State<FavFolderSortPage> createState() => _FavFolderSortPageState();
+}
+
+class _FavFolderSortPageState extends State<FavFolderSortPage> {
+  FavController get _favController => widget.favController;
+
+  final GlobalKey _key = GlobalKey();
+  late List<FavFolderItemData> sortList = List<FavFolderItemData>.from(
+      (_favController.loadingState.value as Success).response);
+
+  final ScrollController _scrollController = ScrollController();
+
+  void listener() {
+    if (_favController.isEnd) {
+      return;
+    }
+    if (_scrollController.position.pixels >=
+        _scrollController.position.maxScrollExtent - 200) {
+      _favController.onLoadMore().then((_) {
+        try {
+          if (_favController.loadingState.value is Success) {
+            List<FavFolderItemData> list =
+                (_favController.loadingState.value as Success).response;
+            sortList.addAll(list.sublist(sortList.length));
+            if (mounted) {
+              setState(() {});
+            }
+          }
+        } catch (_) {}
+      });
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    if (_favController.isEnd.not) {
+      _scrollController.addListener(listener);
+    }
+  }
+
+  @override
+  void dispose() {
+    _scrollController.removeListener(listener);
+    _scrollController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('收藏夹排序'),
+        actions: [
+          TextButton(
+            onPressed: () async {
+              dynamic res = await UserHttp.sortFavFolder(
+                sort: sortList.map((item) => item.id).toList(),
+              );
+              if (res['status']) {
+                SmartDialog.showToast('排序完成');
+                _favController.loadingState.value =
+                    LoadingState.success(sortList);
+                Get.back();
+              } else {
+                SmartDialog.showToast(res['msg']);
+              }
+            },
+            child: const Text('完成'),
+          ),
+          const SizedBox(width: 16),
+        ],
+      ),
+      body: _buildBody,
+    );
+  }
+
+  void onReorder(int oldIndex, int newIndex) {
+    if (oldIndex == 0 || newIndex == 0) {
+      SmartDialog.showToast('默认收藏夹不支持排序');
+      return;
+    }
+
+    if (newIndex > oldIndex) {
+      newIndex -= 1;
+    }
+
+    final tabsItem = sortList.removeAt(oldIndex);
+    sortList.insert(newIndex, tabsItem);
+
+    setState(() {});
+  }
+
+  Widget get _buildBody {
+    return ReorderableListView(
+      key: _key,
+      scrollController: _scrollController,
+      onReorder: onReorder,
+      physics: const AlwaysScrollableScrollPhysics(),
+      footer: SizedBox(
+        height: MediaQuery.of(context).padding.bottom + 80,
+      ),
+      children: List.generate(
+        sortList.length,
+        (index) {
+          final item = sortList[index];
+          final key = item.id.toString();
+          return FavItem(
+            key: Key(key),
+            heroTag: key,
+            favFolderItem: item,
+            onLongPress: index == 0
+                ? () {
+                    SmartDialog.showToast('默认收藏夹不支持排序');
+                  }
+                : null,
+          );
+        },
+      ),
+    );
+  }
+}

lib/pages/fav/video/widgets/item.dart

@@ -7,10 +7,13 @@ import 'package:PiliPlus/common/widgets/network_img_layer.dart';
 class FavItem extends StatelessWidget {
   final String heroTag;
   final dynamic favFolderItem;
-  final GestureTapCallback onTap;
+  final VoidCallback? onTap;
+  final VoidCallback? onLongPress;
+
   const FavItem({
     super.key,
-    required this.onTap,
+    this.onTap,
+    this.onLongPress,
     required this.heroTag,
     required this.favFolderItem,
   });
@@ -19,11 +22,14 @@ class FavItem extends StatelessWidget {
   Widget build(BuildContext context) {
     return InkWell(
       onTap: onTap,
-      onLongPress: () => imageSaveDialog(
-        context: context,
-        title: favFolderItem.title,
-        cover: favFolderItem.cover,
-      ),
+      onLongPress: onLongPress ??
+          (onTap == null
+              ? null
+              : () => imageSaveDialog(
+                    context: context,
+                    title: favFolderItem.title,
+                    cover: favFolderItem.cover,
+                  )),
       child: Padding(
         padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
         child: LayoutBuilder(