refa: sub detail page

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

lib/http/user.dart

@@ -484,23 +484,24 @@ class UserHttp {
     }
   }
 
-  static Future favSeasonList({
+  static Future<LoadingState<SubDetailModelData>> favSeasonList({
     required int id,
     required int pn,
     required int ps,
   }) async {
-    var res = await Request().get(Api.favSeasonList, queryParameters: {
-      'season_id': id,
-      'ps': ps,
-      'pn': pn,
-    });
+    var res = await Request().get(
+      Api.favSeasonList,
+      queryParameters: {
+        'season_id': id,
+        'ps': ps,
+        'pn': pn,
+      },
+    );
     if (res.data['code'] == 0) {
-      return {
-        'status': true,
-        'data': SubDetailModelData.fromJson(res.data['data'])
-      };
+      return LoadingState.success(
+          SubDetailModelData.fromJson(res.data['data']));
     } else {
-      return {'status': false, 'msg': res.data['message']};
+      return LoadingState.error(res.data['message']);
     }
   }
 
@@ -582,7 +583,7 @@ class UserHttp {
     }
   }
 
-  static Future favResourceList({
+  static Future<LoadingState<SubDetailModelData>> favResourceList({
     required int id,
     required int pn,
     required int ps,
@@ -593,12 +594,10 @@ class UserHttp {
       'pn': pn,
     });
     if (res.data['code'] == 0) {
-      return {
-        'status': true,
-        'data': SubDetailModelData.fromJson(res.data['data'])
-      };
+      return LoadingState.success(
+          SubDetailModelData.fromJson(res.data['data']));
     } else {
-      return {'status': false, 'msg': res.data['message']};
+      return LoadingState.error(res.data['message']);
     }
   }
 

lib/pages/subscription_detail/controller.dart

@@ -1,76 +1,70 @@
+import 'package:PiliPlus/http/loading_state.dart';
+import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:get/get.dart';
 import 'package:PiliPlus/http/user.dart';
 
 import '../../models/user/sub_detail.dart';
 import '../../models/user/sub_folder.dart';
 
-class SubDetailController extends GetxController {
+class SubDetailController
+    extends CommonListController<SubDetailModelData, SubDetailMediaItem> {
   late SubFolderItemData item;
 
   late int id;
   late String heroTag;
-  int currentPage = 1;
-  bool isLoadingMore = false;
-  Rx<DetailInfo> subInfo = DetailInfo().obs;
-  RxList<SubDetailMediaItem> subList = <SubDetailMediaItem>[].obs;
-  RxString loadingText = '加载中...'.obs;
-  int mediaCount = 0;
+
+  RxInt mediaCount = 0.obs;
   RxInt playCount = 0.obs;
 
   @override
   void onInit() {
+    super.onInit();
     item = Get.arguments;
-    if (playCount.value == 0) playCount.value = item.viewCount!;
+    playCount.value = item.viewCount!;
     if (Get.parameters.keys.isNotEmpty) {
       id = int.parse(Get.parameters['id']!);
       heroTag = Get.parameters['heroTag']!;
     }
-    super.onInit();
+    queryData();
   }
 
-  Future<dynamic> queryUserSubFolderDetail({type = 'init'}) async {
-    if (type == 'onLoad' && subList.length >= mediaCount) {
-      loadingText.value = '没有更多了';
-      return;
+  @override
+  List<SubDetailMediaItem>? getDataList(SubDetailModelData response) {
+    return response.list;
+  }
+
+  @override
+  void checkIsEnd(int length) {
+    if (length >= mediaCount.value) {
+      isEnd = true;
     }
-    isLoadingMore = true;
-    late Map<String, dynamic> res;
+  }
+
+  @override
+  bool customHandleResponse(
+      bool isRefresh, Success<SubDetailModelData> response) {
+    mediaCount.value = response.response.info!.mediaCount!;
+    if (item.type == 11) {
+      playCount.value = response.response.info!.cntInfo!['play'];
+    }
+    return false;
+  }
+
+  @override
+  Future<LoadingState<SubDetailModelData>> customGetData() {
     if (item.type! == 11) {
-      res = await UserHttp.favResourceList(
+      return UserHttp.favResourceList(
         id: id,
         ps: 20,
         pn: currentPage,
       );
     } else {
-      res = await UserHttp.favSeasonList(
+      return UserHttp.favSeasonList(
         // item.type! == 21
         id: id,
         ps: 20,
         pn: currentPage,
       );
     }
-    if (res['status']) {
-      SubDetailModelData data = res['data'];
-      subInfo.value = data.info!;
-      if (currentPage == 1 && type == 'init') {
-        subList.value = data.list!;
-        mediaCount = data.info!.mediaCount!;
-        if (item.type == 11) {
-          playCount.value = data.info!.cntInfo!['play'];
-        }
-      } else if (type == 'onLoad') {
-        subList.addAll(data.list!);
-      }
-      if (subList.length >= mediaCount) {
-        loadingText.value = '没有更多了';
-      }
-      currentPage += 1;
-    }
-    isLoadingMore = false;
-    return res;
-  }
-
-  onLoad() {
-    queryUserSubFolderDetail(type: 'onLoad');
   }
 }

lib/pages/subscription_detail/view.dart

@@ -1,8 +1,6 @@
-import 'dart:async';
-
+import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models/user/sub_detail.dart';
 import 'package:PiliPlus/utils/grid.dart';
-import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:PiliPlus/common/skeleton/video_card_h.dart';
@@ -22,246 +20,206 @@ class SubDetailPage extends StatefulWidget {
 }
 
 class _SubDetailPageState extends State<SubDetailPage> {
-  late final ScrollController _controller = ScrollController();
   late final SubDetailController _subDetailController = Get.put(
-      SubDetailController(),
-      tag: Utils.makeHeroTag(Get.parameters['id']));
+    SubDetailController(),
+    tag: Utils.makeHeroTag(Get.parameters['id']),
+  );
   final RxBool showTitle = false.obs;
-  late Future _futureBuilderFuture;
 
   @override
   void initState() {
     super.initState();
-    _futureBuilderFuture = _subDetailController.queryUserSubFolderDetail();
-    _controller.addListener(listener);
+    _subDetailController.scrollController.addListener(listener);
   }
 
   void listener() {
-    showTitle.value = _controller.offset > 160;
-
-    if (_controller.position.pixels >=
-        _controller.position.maxScrollExtent - 200) {
-      EasyThrottle.throttle('subDetail', const Duration(seconds: 1), () {
-        _subDetailController.onLoad();
-      });
-    }
+    showTitle.value = _subDetailController.scrollController.offset > 160;
   }
 
   @override
   void dispose() {
-    _controller.removeListener(listener);
-    _controller.dispose();
+    _subDetailController.scrollController.removeListener(listener);
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      body: CustomScrollView(
-        controller: _controller,
-        physics: const AlwaysScrollableScrollPhysics(),
-        slivers: [
-          SliverAppBar(
-            expandedHeight: 215 - MediaQuery.of(context).padding.top,
-            pinned: true,
-            title: Obx(
-              () {
-                return AnimatedOpacity(
-                  opacity: showTitle.value ? 1 : 0,
-                  curve: Curves.easeOut,
-                  duration: const Duration(milliseconds: 500),
-                  child: Row(
-                    children: [
-                      Column(
-                        crossAxisAlignment: CrossAxisAlignment.start,
-                        children: [
-                          Text(
-                            _subDetailController.item.title!,
-                            style: Theme.of(context).textTheme.titleMedium,
-                          ),
-                          Text(
-                            '共${_subDetailController.item.mediaCount!}条视频',
-                            style: Theme.of(context).textTheme.labelMedium,
-                          )
-                        ],
-                      )
-                    ],
-                  ),
-                );
-              },
-            ),
-            flexibleSpace: FlexibleSpaceBar(
-              background: Container(
-                decoration: BoxDecoration(
-                  border: Border(
-                    bottom: BorderSide(
-                      color: Theme.of(context).dividerColor.withOpacity(0.2),
-                    ),
-                  ),
-                ),
-                padding: EdgeInsets.only(
-                  top: kTextTabBarHeight +
-                      MediaQuery.of(context).padding.top +
-                      15,
-                  left: 12,
-                  right: 12,
-                ),
-                child: SizedBox(
-                  height: 200,
-                  child: Row(
-                    // mainAxisAlignment: MainAxisAlignment.center,
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Hero(
-                        tag: _subDetailController.heroTag,
-                        child: NetworkImgLayer(
-                          width: 180,
-                          height: 110,
-                          src: _subDetailController.item.cover,
-                        ),
-                      ),
-                      const SizedBox(width: 14),
-                      Expanded(
-                        child: Column(
-                          mainAxisAlignment: MainAxisAlignment.start,
-                          crossAxisAlignment: CrossAxisAlignment.start,
-                          children: [
-                            const SizedBox(height: 4),
-                            Text(
-                              _subDetailController.item.title!,
-                              style: TextStyle(
-                                  fontSize: Theme.of(context)
-                                      .textTheme
-                                      .titleMedium!
-                                      .fontSize,
-                                  fontWeight: FontWeight.bold),
-                            ),
-                            const SizedBox(height: 4),
-                            GestureDetector(
-                              onTap: () {
-                                SubFolderItemData item =
-                                    _subDetailController.item;
-                                Get.toNamed(
-                                  '/member?mid=${item.upper!.mid}',
-                                  arguments: {
-                                    'face': item.upper!.face,
-                                  },
-                                );
-                              },
-                              child: Text(
-                                _subDetailController.item.upper!.name!,
-                                style: TextStyle(
-                                    color:
-                                        Theme.of(context).colorScheme.primary),
-                              ),
-                            ),
-                            const SizedBox(height: 4),
-                            Obx(
-                              () => Text(
-                                '${Utils.numFormat(_subDetailController.playCount.value)}次播放',
-                                style: TextStyle(
-                                    fontSize: Theme.of(context)
-                                        .textTheme
-                                        .labelSmall!
-                                        .fontSize,
-                                    color:
-                                        Theme.of(context).colorScheme.outline),
-                              ),
-                            ),
-                          ],
-                        ),
-                      ),
-                    ],
-                  ),
-                ),
-              ),
-            ),
-          ),
-          SliverToBoxAdapter(
-            child: Padding(
-              padding: const EdgeInsets.only(top: 15, bottom: 8, left: 14),
-              child: Obx(
-                () => Text(
-                  '共${_subDetailController.subList.length}条视频',
-                  style: TextStyle(
-                      fontSize:
-                          Theme.of(context).textTheme.labelMedium!.fontSize,
-                      color: Theme.of(context).colorScheme.outline,
-                      letterSpacing: 1),
-                ),
-              ),
-            ),
-          ),
-          FutureBuilder(
-            future: _futureBuilderFuture,
-            builder: (context, snapshot) {
-              if (snapshot.connectionState == ConnectionState.done) {
-                // TODO: refactor
-                if (snapshot.data is! Map) {
-                  return HttpError(
-                    callback: () => setState(() {
-                      _futureBuilderFuture =
-                          _subDetailController.queryUserSubFolderDetail();
-                    }),
-                  );
-                }
-                Map data = snapshot.data;
-                if (data['status']) {
-                  if (_subDetailController.item.mediaCount == 0) {
-                    return HttpError(
-                      callback: () => setState(() {
-                        _futureBuilderFuture =
-                            _subDetailController.queryUserSubFolderDetail();
-                      }),
-                    );
-                  } else {
-                    List<SubDetailMediaItem> subList =
-                        _subDetailController.subList;
-                    return Obx(
-                      () => subList.isEmpty
-                          ? const SliverToBoxAdapter(child: SizedBox())
-                          : SliverPadding(
-                              padding: EdgeInsets.only(
-                                bottom:
-                                    MediaQuery.paddingOf(context).bottom + 80,
-                              ),
-                              sliver: SliverGrid(
-                                gridDelegate: Grid.videoCardHDelegate(context),
-                                delegate: SliverChildBuilderDelegate(
-                                  childCount: subList.length,
-                                  (BuildContext context, int index) {
-                                    return SubVideoCardH(
-                                      videoItem: subList[index],
-                                    );
-                                  },
-                                ),
-                              ),
-                            ),
-                    );
-                  }
-                } else {
-                  return HttpError(
-                    errMsg: data['msg'],
-                    callback: () => setState(() {
-                      _futureBuilderFuture =
-                          _subDetailController.queryUserSubFolderDetail();
-                    }),
-                  );
-                }
-              } else {
-                // 骨架屏
-                return SliverGrid(
-                  gridDelegate: Grid.videoCardHDelegate(context),
-                  delegate: SliverChildBuilderDelegate(
-                    (context, index) => const VideoCardHSkeleton(),
-                    childCount: 10,
-                  ),
-                );
-              }
-            },
-          ),
-        ],
+      body: SafeArea(
+        top: false,
+        bottom: false,
+        child: CustomScrollView(
+          controller: _subDetailController.scrollController,
+          physics: const AlwaysScrollableScrollPhysics(),
+          slivers: [
+            _buildAppBar,
+            _buildCount,
+            Obx(() => _buildBody(_subDetailController.loadingState.value)),
+          ],
+        ),
       ),
     );
   }
+
+  Widget _buildBody(LoadingState<List<SubDetailMediaItem>?> loadingState) {
+    return switch (loadingState) {
+      Loading() => SliverGrid(
+          gridDelegate: Grid.videoCardHDelegate(context),
+          delegate: SliverChildBuilderDelegate(
+            (context, index) => const VideoCardHSkeleton(),
+            childCount: 10,
+          ),
+        ),
+      Success() => loadingState.response?.isNotEmpty == true
+          ? SliverPadding(
+              padding: EdgeInsets.only(
+                bottom: MediaQuery.paddingOf(context).bottom + 80,
+              ),
+              sliver: SliverGrid(
+                gridDelegate: Grid.videoCardHDelegate(context),
+                delegate: SliverChildBuilderDelegate(
+                  childCount: loadingState.response!.length,
+                  (context, index) {
+                    if (index == loadingState.response!.length - 1) {
+                      _subDetailController.onLoadMore();
+                    }
+                    return SubVideoCardH(
+                      videoItem: loadingState.response![index],
+                    );
+                  },
+                ),
+              ),
+            )
+          : HttpError(
+              callback: _subDetailController.onReload,
+            ),
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _subDetailController.onReload,
+        ),
+      _ => throw UnimplementedError(),
+    };
+  }
+
+  Widget get _buildCount => SliverToBoxAdapter(
+        child: Padding(
+          padding: const EdgeInsets.only(top: 15, bottom: 8, left: 14),
+          child: Obx(
+            () => Text(
+              '共${_subDetailController.mediaCount}条视频',
+              style: TextStyle(
+                fontSize: Theme.of(context).textTheme.labelMedium!.fontSize,
+                color: Theme.of(context).colorScheme.outline,
+                letterSpacing: 1,
+              ),
+            ),
+          ),
+        ),
+      );
+
+  Widget get _buildAppBar => SliverAppBar(
+        expandedHeight: 215 - MediaQuery.paddingOf(context).bottom,
+        pinned: true,
+        title: Obx(
+          () {
+            return AnimatedOpacity(
+              opacity: showTitle.value ? 1 : 0,
+              curve: Curves.easeOut,
+              duration: const Duration(milliseconds: 500),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    _subDetailController.item.title!,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: Theme.of(context).textTheme.titleMedium,
+                  ),
+                  Text(
+                    '共${_subDetailController.mediaCount.value}条视频',
+                    style: Theme.of(context).textTheme.labelMedium,
+                  )
+                ],
+              ),
+            );
+          },
+        ),
+        flexibleSpace: FlexibleSpaceBar(
+          background: Container(
+            height: 180,
+            decoration: BoxDecoration(
+              border: Border(
+                bottom: BorderSide(
+                  color: Theme.of(context).dividerColor.withOpacity(0.2),
+                ),
+              ),
+            ),
+            padding: EdgeInsets.only(
+              top: kTextTabBarHeight + MediaQuery.of(context).padding.top + 15,
+              left: 12,
+              right: 12,
+              bottom: 20,
+            ),
+            child: Row(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Hero(
+                  tag: _subDetailController.heroTag,
+                  child: NetworkImgLayer(
+                    width: 180,
+                    height: 110,
+                    src: _subDetailController.item.cover,
+                  ),
+                ),
+                const SizedBox(width: 14),
+                Expanded(
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.start,
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      const SizedBox(height: 4),
+                      Text(
+                        _subDetailController.item.title!,
+                        style: TextStyle(
+                            fontSize: Theme.of(context)
+                                .textTheme
+                                .titleMedium!
+                                .fontSize,
+                            fontWeight: FontWeight.bold),
+                      ),
+                      const SizedBox(height: 4),
+                      GestureDetector(
+                        onTap: () {
+                          SubFolderItemData item = _subDetailController.item;
+                          Get.toNamed(
+                            '/member?mid=${item.upper!.mid}',
+                            arguments: {
+                              'face': item.upper!.face,
+                            },
+                          );
+                        },
+                        child: Text(
+                          _subDetailController.item.upper!.name!,
+                          style: TextStyle(
+                              color: Theme.of(context).colorScheme.primary),
+                        ),
+                      ),
+                      const SizedBox(height: 4),
+                      Obx(
+                        () => Text(
+                          '${Utils.numFormat(_subDetailController.playCount.value)}次播放',
+                          style: TextStyle(
+                            fontSize: 12,
+                            color: Theme.of(context).colorScheme.outline,
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      );
 }