feat: 稍后再看&收藏夹播放全部

Co-authored-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/fav_detail/controller.dart

@@ -4,6 +4,7 @@ import 'package:PiliPalaX/models/user/fav_detail.dart';
 import 'package:PiliPalaX/models/user/fav_folder.dart';
 import 'package:PiliPalaX/pages/common/multi_select_controller.dart';
 import 'package:PiliPalaX/utils/storage.dart';
+import 'package:PiliPalaX/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -123,4 +124,25 @@ class FavDetailController extends MultiSelectController {
       },
     );
   }
+
+  Future toViewPlayAll() async {
+    if (loadingState.value is Success) {
+      final FavDetailItemData firstItem =
+          (loadingState.value as Success).response.first;
+      final String heroTag = Utils.makeHeroTag(firstItem.bvid);
+      Get.toNamed(
+        '/video?bvid=${firstItem.bvid}&cid=${firstItem.cid}',
+        arguments: {
+          'videoItem': firstItem,
+          'heroTag': heroTag,
+          'sourceType': 'fav',
+          'mediaId': item.value.id,
+          'oid': firstItem.id,
+          'favTitle': item.value.title,
+          // 'favInfo': favInfo,
+          'count': item.value.mediaCount,
+        },
+      );
+    }
+  }
 }

lib/pages/fav_detail/view.dart

@@ -60,6 +60,15 @@ class _FavDetailPageState extends State<FavDetailPage> {
           }
         },
         child: Scaffold(
+          floatingActionButton: Obx(
+            () => (_favDetailController.item.value.mediaCount ?? -1) > 0
+                ? FloatingActionButton.extended(
+                    onPressed: _favDetailController.toViewPlayAll,
+                    label: const Text('播放全部'),
+                    icon: const Icon(Icons.playlist_play),
+                  )
+                : const SizedBox.shrink(),
+          ),
           body: CustomScrollView(
             physics: const AlwaysScrollableScrollPhysics(),
             controller: _favDetailController.scrollController,