Revert "opt: non null (#1091)"

This reverts commit 3c34e43827.

lib/pages/fav/article/controller.dart

@@ -25,7 +25,7 @@ class FavArticleController
   Future<LoadingState<FavArticleData>> customGetData() =>
       FavHttp.favArticle(page: page);
 
-  Future<void> onRemove(int index, String id) async {
+  Future<void> onRemove(int index, String? id) async {
     final res = await FavHttp.communityAction(opusId: id, action: 4);
     if (res['status']) {
       loadingState

lib/pages/fav/article/view.dart

@@ -66,7 +66,7 @@ class _FavArticlePageState extends State<FavArticlePage>
                       context: context,
                       title: '确定取消收藏？',
                       onConfirm: () =>
-                          _favArticleController.onRemove(index, item.opusId!),
+                          _favArticleController.onRemove(index, item.opusId),
                     ),
                   );
                 },

lib/pages/fav/cheese/controller.dart

@@ -26,7 +26,7 @@ class FavCheeseController
   Future<LoadingState<SpaceCheeseData>> customGetData() =>
       FavHttp.favPugv(mid: mid, page: page);
 
-  Future<void> onRemove(int index, int sid) async {
+  Future<void> onRemove(int index, int? sid) async {
     var res = await FavHttp.delFavPugv(sid);
     if (res['status']) {
       loadingState

lib/pages/fav/cheese/view.dart

@@ -68,7 +68,7 @@ class _FavCheesePageState extends State<FavCheesePage>
                       context: context,
                       title: '确定取消收藏该课堂？',
                       onConfirm: () =>
-                          _controller.onRemove(index, item.seasonId!),
+                          _controller.onRemove(index, item.seasonId),
                     ),
                   );
                 },

lib/pages/fav/topic/controller.dart

@@ -38,7 +38,7 @@ class FavTopicController
   Future<LoadingState<FavTopicData>> customGetData() =>
       FavHttp.favTopic(page: page);
 
-  Future<void> onRemove(int index, int id) async {
+  Future<void> onRemove(int index, int? id) async {
     var res = await FavHttp.delFavTopic(id);
     if (res['status']) {
       loadingState

lib/pages/fav/topic/view.dart

@@ -93,7 +93,7 @@ class _FavTopicPageState extends State<FavTopicPage>
                         context: context,
                         title: '确定取消收藏？',
                         onConfirm: () {
-                          _controller.onRemove(index, item.id!);
+                          _controller.onRemove(index, item.id);
                         },
                       ),
                       borderRadius: const BorderRadius.all(