feat: show snakebar

ui/lib/providers/series_details.dart

@@ -82,7 +82,7 @@ class SeriesDetailData
     ref.invalidateSelf();
   }
 
-  Future<void> downloadall() async {
+  Future<dynamic> downloadall() async {
     final dio = APIs.getDio();
     var resp = await dio.get(APIs.downloadAllUrl + id!);
     var sp = ServerResponse.fromJson(resp.data);
@@ -90,6 +90,7 @@ class SeriesDetailData
       throw sp.message;
     }
     ref.invalidateSelf();
+    return sp.data;
   }
 }
 

ui/lib/widgets/detail_card.dart

@@ -308,7 +308,9 @@ class _DetailCardState extends ConsumerState<DetailCard> {
         onPressed: () async{
           await ref
               .read(mediaDetailsProvider(widget.details.id.toString()).notifier)
-              .downloadall();
+              .downloadall().then((list) => {
+                showSnakeBar("开始下载：$list")
+              });
         },
         icon: Icons.download_rounded);
   }