diff --git a/lib/controllers/room_chat.dart b/lib/controllers/room_chat.dart index 3e531bb..35038a0 100644 --- a/lib/controllers/room_chat.dart +++ b/lib/controllers/room_chat.dart @@ -75,12 +75,13 @@ class RoomChatController extends AsyncNotifier?> { ); Future loadOlder() async { + state = AsyncLoading(); final timelineKeys = ref .read(RoomsController.provider.select((value) => value[roomId])) ?.timeline .keys; final response = await ref - .watch(ClientController.provider.notifier) + .read(ClientController.provider.notifier) .paginate( .new( roomId: roomId, @@ -90,26 +91,30 @@ class RoomChatController extends AsyncNotifier?> { ), ); - ref - .watch(RoomsController.provider.notifier) - .update( - IMap({ - roomId: Room( - events: IMap.fromIterable( - response.events.addAll(response.relatedEvents), - keyMapper: (event) => event.rowId, - valueMapper: (event) => event, + if (response.events.isEmpty) { + state = .data(state.value); + } else { + ref + .read(RoomsController.provider.notifier) + .update( + IMap({ + roomId: Room( + events: IMap.fromIterable( + response.events.addAll(response.relatedEvents), + keyMapper: (event) => event.rowId, + valueMapper: (event) => event, + ), + hasMore: response.hasMore, + timeline: IMap.fromIterable( + response.events, + keyMapper: (event) => event.timelineRowId, + valueMapper: (event) => event.rowId, + ), ), - hasMore: response.hasMore, - timeline: IMap.fromIterable( - response.events, - keyMapper: (event) => event.timelineRowId, - valueMapper: (event) => event.rowId, - ), - ), - }), - .new(), - ); + }), + .new(), + ); + } return response.hasMore; } diff --git a/lib/widgets/room_chat.dart b/lib/widgets/room_chat.dart index fcab5fe..07cf26d 100644 --- a/lib/widgets/room_chat.dart +++ b/lib/widgets/room_chat.dart @@ -80,6 +80,7 @@ class RoomChat extends HookConsumerWidget { final controllerData = ref.watch(controllerProvider); final topEventBeforeLoad = useState(null); + final hasMore = useState(true); Future jumpToId(String eventId) async { final index = controllerData.value?.indexWhere( @@ -105,7 +106,7 @@ class RoomChat extends HookConsumerWidget { Future loadOlder() async { if (controllerData case AsyncData(:final value?)) { topEventBeforeLoad.value = value.firstOrNull?.eventId; - await notifier.loadOlder(); + hasMore.value = await notifier.loadOlder(); } } @@ -470,19 +471,20 @@ class RoomChat extends HookConsumerWidget { ScrollViewKeyboardDismissBehavior.onDrag, controller: scrollController, slivers: [ - SliverToBoxAdapter( - child: Padding( - padding: .symmetric(vertical: 36), - child: Center( - child: ElevatedButton( - onPressed: controllerData is AsyncData - ? loadOlder - : null, - child: Text("Load More"), + if (hasMore.value) + SliverToBoxAdapter( + child: Padding( + padding: .symmetric(vertical: 36), + child: Center( + child: ElevatedButton( + onPressed: controllerData is AsyncData + ? loadOlder + : null, + child: Text("Load More"), + ), ), ), ), - ), SuperSliverList.builder( listController: listController.value,