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repository and data provider concept

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This commit is contained in:
Elias Müller
2024-05-07 22:15:56 +02:00
parent 6ad8203b6a
commit b171fef348
14 changed files with 129 additions and 104 deletions
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29
lib/state/app/modules/marianumMessage/bloc/marianum_message_bloc.dart
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@ -1,17 +1,32 @@
import '../../../infrastructure/loadableState/loadable_hydrated_bloc.dart';
import '../../../infrastructure/repository/repository.dart';
import '../../../infrastructure/utilityWidgets/loadableHydratedBloc/loadable_hydrated_bloc.dart';
import '../../../infrastructure/utilityWidgets/loadableHydratedBloc/loadable_hydrated_bloc_event.dart';
import '../repository/marianum_message_repository.dart';
import 'marianum_message_state.dart';
class MarianumMessageBloc extends LoadableHydratedBloc<void, MarianumMessageState> {
MarianumMessageBloc();
sealed class MarianumMessageEvent extends LoadableHydratedBlocEvent<MarianumMessageState> {}
class MessageEvent extends MarianumMessageEvent {}
class MarianumMessageBloc extends LoadableHydratedBloc<MarianumMessageEvent, MarianumMessageState, MarianumMessageRepository> {
MarianumMessageBloc() {
on<MessageEvent>((event, emit) {
add(Emit((state) => state.copyWith.messageList(messages: [])));
});
}
@override
Future<void> loadState() async {
var messages = await repo.getMessages();
add(Emit((state) => state.copyWith(messageList: messages)));
}
@override
MarianumMessageRepository repository() => MarianumMessageRepository();
@override
MarianumMessageState fromNothing() => const MarianumMessageState(messageList: MarianumMessageList(base: "", messages: []));
@override
MarianumMessageState fromStorage(Map<String, dynamic> json) => MarianumMessageState.fromJson(json);
@override
Map<String, dynamic>? toStorage(MarianumMessageState state) => state.toJson();
@override
Repository repository() => MarianumMessageRepository(emit);
}

9
lib/state/app/modules/marianumMessage/dataProvider/marianum_message_get_messages.dart
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@ -1,6 +1,11 @@
import '../../../infrastructure/dataLoader/data_loader.dart';
import '../bloc/marianum_message_state.dart';
class MarianumMessageGetMessages extends DataLoader<MarianumMessageList> {
class MarianumMessageGetMessages extends DataLoader {
@override
Future fetch() => Future(() => 'Test');
Future<MarianumMessageList> fetch() async {
await Future.delayed(const Duration(seconds: 3));
return const MarianumMessageList(base: '', messages: [MarianumMessage(date: '', name: 'RepoTest', url: '')]);
}
}

8
lib/state/app/modules/marianumMessage/repository/marianum_message_repository.dart
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@ -1,9 +1,7 @@
import '../../../infrastructure/loadableState/loadable_state.dart';
import '../../../infrastructure/repository/repository.dart';
import '../bloc/marianum_message_state.dart';
import '../dataProvider/marianum_message_get_messages.dart';
class MarianumMessageRepository<TState> extends Repository {
MarianumMessageRepository(void Function(LoadableState<TState> content) emit) : super([
MarianumMessageGetMessages(),
]);
class MarianumMessageRepository extends Repository<MarianumMessageState> {
Future<MarianumMessageList> getMessages() => MarianumMessageGetMessages().fetch();
}

69
lib/state/app/modules/marianumMessage/view/marianum_message_list_view.dart
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@ -1,12 +1,14 @@
import 'dart:developer';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../../../../api/mhsl/message/getMessages/getMessagesResponse.dart';
import '../../../../../view/pages/more/message/messageView.dart';
import '../../../infrastructure/loadableState/loadable_state.dart';
import '../../../infrastructure/loadableState/view/loadable_state_consumer.dart';
import '../../../infrastructure/utilityWidgets/bloc_providing_builder.dart';
import '../../../infrastructure/utilityWidgets/bloc_module.dart';
import '../../../infrastructure/utilityWidgets/loadableHydratedBloc/loadable_hydrated_bloc_event.dart';
import '../bloc/marianum_message_bloc.dart';
import '../bloc/marianum_message_state.dart';
@ -14,36 +16,41 @@ class MarianumMessageListView extends StatelessWidget {
const MarianumMessageListView({super.key});
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
title: const Text('Marianum Message'),
),
body: BlocProvidingBuilder<MarianumMessageBloc, LoadableState<MarianumMessageState>>(
create: (context) => MarianumMessageBloc(),
child: (context, state) {
// if(value.primaryLoading()) return const LoadingSpinner();
log(state.toString());
return LoadableStateConsumer<MarianumMessageBloc, LoadableState<MarianumMessageState>, MarianumMessageState>(
child: (state) => ListView.builder(
itemCount: state.messageList.messages.length,
itemBuilder: (context, index) {
var message = state.messageList.messages.toList()[index];
return ListTile(
leading: const Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [Icon(Icons.newspaper)],
),
title: Text(message.name, overflow: TextOverflow.ellipsis),
subtitle: Text('vom ${message.date}'),
trailing: const Icon(Icons.arrow_right),
onTap: () {
Navigator.push(context, MaterialPageRoute(builder: (context) => MessageView(basePath: state.messageList.base, message: message as GetMessagesResponseObject)));
},
);
}
Widget build(BuildContext context) => BlocModule<MarianumMessageBloc, LoadableState<MarianumMessageState>>(
create: (context) => MarianumMessageBloc(),
child: (context, state) {
// if(value.primaryLoading()) return const LoadingSpinner();
log(state.toString());
return Scaffold(
appBar: AppBar(
title: const Text('Marianum Message'),
actions: [
IconButton(onPressed: () => context.read<MarianumMessageBloc>().add(MessageEvent()), icon: Icon(Icons.abc)),
IconButton(onPressed: () => context.read<MarianumMessageBloc>().add(Emit((state) => MarianumMessageState(messageList: MarianumMessageList(base: "", messages: [MarianumMessage(url: "", name: "Teeest", date: "now")])))), icon: Icon(Icons.add)),
IconButton(onPressed: () => context.read<MarianumMessageBloc>().add(ClearState()), icon: Icon(Icons.add))
],
),
body: LoadableStateConsumer<MarianumMessageBloc, MarianumMessageState>(
child: (state, loading) => ListView.builder(
itemCount: state.messageList.messages.length,
itemBuilder: (context, index) {
var message = state.messageList.messages.toList()[index];
return ListTile(
leading: const Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [Icon(Icons.newspaper)],
),
title: Text("${message.name}${loading ? "loading" : "notloading"}", overflow: TextOverflow.ellipsis),
subtitle: Text('vom ${message.date}'),
trailing: const Icon(Icons.arrow_right),
onTap: () {
Navigator.push(context, MaterialPageRoute(builder: (context) => MessageView(basePath: state.messageList.base, message: message as GetMessagesResponseObject)));
},
);
}
),
);
}
),
),
);
}
);
}