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author_view.dart
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author_view.dart
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// Flutter imports:
import 'package:ets_api_clients/models.dart';
import 'package:flutter/material.dart';
// Package imports:
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
import 'package:notredame/features/ets/events/author/widget/author_info_widget.dart';
import 'package:notredame/features/ets/events/author/widget/avatar_widget.dart';
import 'package:notredame/features/ets/events/author/widget/back_button_widget.dart';
import 'package:notredame/features/ets/events/author/widget/no_more_news_card_widget.dart';
import 'package:stacked/stacked.dart';
// Project imports:
import 'package:notredame/features/ets/events/author/author_viewmodel.dart';
import 'package:notredame/features/app/widgets/base_scaffold.dart';
import 'package:notredame/features/ets/events/news/widgets/news_card.dart';
import 'package:notredame/features/ets/events/news/widgets/news_card_skeleton.dart';
class AuthorView extends StatelessWidget {
final String authorId;
const AuthorView({required this.authorId, super.key});
Widget _buildErrorWidget(
PagingController<int, News> pagingController, BuildContext context) {
return Scaffold(
body: SafeArea(
minimum: const EdgeInsets.all(20),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.only(
bottom: 80,
),
child: Text(
AppIntl.of(context)!.news_error_not_found_title,
style: const TextStyle(
fontSize: 40, fontWeight: FontWeight.bold),
),
),
Padding(
padding: const EdgeInsets.only(
bottom: 70,
),
child: Text(
AppIntl.of(context)!.news_error_not_found,
textAlign: TextAlign.center,
style: const TextStyle(
fontSize: 15,
),
),
),
Flexible(
child: ElevatedButton(
onPressed: () {
pagingController.retryLastFailedRequest();
},
child: Text(AppIntl.of(context)!.retry),
),
),
],
),
),
),
);
}
@override
Widget build(BuildContext context) {
return ViewModelBuilder<AuthorViewModel>.reactive(
viewModelBuilder: () => AuthorViewModel(
authorId: authorId,
appIntl: AppIntl.of(context)!,
),
onViewModelReady: (model) {
model.fetchAuthorData();
model.pagingController.addStatusListener((status) {
if (status == PagingStatus.subsequentPageError) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(AppIntl.of(context)!.news_error_not_found),
action: SnackBarAction(
label: AppIntl.of(context)!.retry,
onPressed: () =>
model.pagingController.retryLastFailedRequest(),
),
),
);
}
});
},
builder: (context, model, child) {
return BaseScaffold(
showBottomBar: false,
body: RefreshIndicator(
onRefresh: () =>
Future.sync(() => model.pagingController.refresh()),
child: Theme(
data: Theme.of(context).copyWith(canvasColor: Colors.transparent),
child: Padding(
padding: const EdgeInsets.only(top: 32),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Stack(
children: [
BackButtonWidget(),
AuthorInfoWidget(),
AvatarWidget(),
],
),
Expanded(
child: PagedListView<int, News>(
key: const Key("pagedListView"),
pagingController: model.pagingController,
padding: const EdgeInsets.fromLTRB(0, 4, 0, 8),
builderDelegate: PagedChildBuilderDelegate<News>(
itemBuilder: (context, item, index) => NewsCard(item),
firstPageProgressIndicatorBuilder: (context) =>
NewsCardSkeleton(),
newPageProgressIndicatorBuilder: (context) =>
NewsCardSkeleton(),
noMoreItemsIndicatorBuilder: (context) =>
const NoMoreNewsCardWidget(),
firstPageErrorIndicatorBuilder: (context) =>
_buildErrorWidget(
model.pagingController, context),
),
),
),
],
),
),
),
),
);
},
);
}
}