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better handle when room is null

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This commit is contained in:
Henry Hiles 2026-06-05 18:33:16 -04:00
commit 02b7892fb0
Signed by: Henry-Hiles
SSH key fingerprint: SHA256:VKQUdS31Q90KvX7EkKMHMBpUspcmItAh86a+v7PGiIs
4 changed files with 42 additions and 37 deletions
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20
lib/widgets/room_chat.dart
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@ -50,6 +50,12 @@ class RoomChat extends HookConsumerWidget {
final userId = ref.watch(ClientStateController.provider)?.userId;
final theme = Theme.of(context);
final nothing = Center(
child: Text(
"Nothing to see here...",
style: theme.textTheme.headlineMedium,
),
);
if (userId == null || this.roomId == null) {
return Scaffold(
appBar: RoomAppbar(
@ -58,12 +64,7 @@ class RoomChat extends HookConsumerWidget {
onOpenDrawer: (_) => Scaffold.of(context).openDrawer(),
onOpenMemberList: null,
),
body: Center(
child: Text(
"Nothing to see here...",
style: theme.textTheme.headlineMedium,
),
),
body: nothing,
);
}
@ -81,7 +82,7 @@ class RoomChat extends HookConsumerWidget {
final topEventBeforeLoad = useState<String?>(null);
Future<void> loadOlder() async {
if (controllerData case AsyncData(:final value)) {
if (controllerData case AsyncData(:final value?)) {
topEventBeforeLoad.value = value.firstOrNull?.eventId;
await notifier.loadOlder();
}
@ -105,7 +106,7 @@ class RoomChat extends HookConsumerWidget {
useEffect(() {
if (controllerData case AsyncData(
:final value,
:final value?,
) when scrollController.hasClients) {
if (topEventBeforeLoad.value != null) {
WidgetsBinding.instance.addPostFrameCallback((_) {
@ -401,7 +402,7 @@ class RoomChat extends HookConsumerWidget {
child: Padding(
padding: .symmetric(horizontal: 12),
child: switch (controllerData) {
AsyncData(:final value) ||
AsyncData(:final value?) ||
AsyncLoading(:final value?) => CustomScrollView(
controller: scrollController,
slivers: [
@ -467,6 +468,7 @@ class RoomChat extends HookConsumerWidget {
),
],
),
AsyncData() => nothing,
AsyncLoading() => Loading(),
AsyncError(:final error, :final stackTrace) =>
ErrorDialog(error, stackTrace),