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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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25
lib/state/app/infrastructure/loadableState/loadable_hydrated_bloc.dart
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@ -1,25 +0,0 @@
import 'package:hydrated_bloc/hydrated_bloc.dart';
import '../repository/repository.dart';
import 'loadable_state.dart';
sealed class LoadableHydratedBlocEvent {}
class DataRecieved extends LoadableHydratedBlocEvent {}
abstract class LoadableHydratedBloc<TEvent, TState> extends HydratedBloc<TEvent, LoadableState<TState>> {
LoadableHydratedBloc() : super(const LoadableState()) {
repository().load();
}
Repository repository();
@override
fromJson(Map<String, dynamic> json) => LoadableState(isLoading: true, data: fromStorage(json));
@override
Map<String, dynamic>? toJson(state) => state.data.toJson();
TState fromStorage(Map<String, dynamic> json);
Map<String, dynamic>? toStorage(TState state);
}

6
lib/state/app/infrastructure/loadableState/view/loadable_state_background_loading.dart
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@ -1,14 +1,14 @@
import 'package:flutter/material.dart';
import 'loadable_state_consumer.dart';
class LoadableStateBackgroundLoading extends StatelessWidget {
final bool visible;
const LoadableStateBackgroundLoading({required this.visible, super.key});
final Duration animationDuration = const Duration(milliseconds: 200);
@override
Widget build(BuildContext context) => AnimatedSwitcher(
duration: animationDuration,
duration: LoadableStateConsumer.animationDuration,
transitionBuilder: (Widget child, Animation<double> animation) => SlideTransition(
position: Tween<Offset>(
begin: const Offset(0.0, -1.0),

18
lib/state/app/infrastructure/loadableState/view/loadable_state_consumer.dart
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@ -2,36 +2,36 @@ import 'package:bloc/bloc.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../utilityWidgets/loadableHydratedBloc/loadable_hydrated_bloc_event.dart';
import '../loadable_state.dart';
import 'loadable_state_background_loading.dart';
import 'loadable_state_error_bar.dart';
import 'loadable_state_primary_loading.dart';
// TODO might be a simpler way
class LoadableStateConsumer<TController extends Bloc<dynamic, TWrappedState>, TWrappedState extends LoadableState<TState>, TState> extends StatelessWidget {
final Widget Function(TState state) child;
class LoadableStateConsumer<TController extends Bloc<LoadableHydratedBlocEvent<TState>, LoadableState<TState>>, TState> extends StatelessWidget {
final Widget Function(TState state, bool loading) child;
const LoadableStateConsumer({required this.child, super.key});
static Duration animationDuration = const Duration(milliseconds: 200);
@override
Widget build(BuildContext context) {
var state = context.read<TController>().state as LoadableState<TState>;
var loadableState = context.watch<TController>().state;
return Column(
children: [
LoadableStateErrorBar(visible: state.showError()),
LoadableStateErrorBar(visible: loadableState.showError()),
Expanded(
child: Stack(
children: [
LoadableStatePrimaryLoading(visible: state.showPrimaryLoading()),
LoadableStateBackgroundLoading(visible: state.showBackgroundLoading()),
LoadableStatePrimaryLoading(visible: loadableState.showPrimaryLoading()),
LoadableStateBackgroundLoading(visible: loadableState.showBackgroundLoading()),
AnimatedOpacity(
opacity: state.showContent() ? 1.0 : 0.0,
opacity: loadableState.showContent() ? 1.0 : 0.0,
duration: animationDuration,
curve: Curves.easeInOut,
child: state.showContent() ? child(state.data) : const SizedBox.shrink()
child: loadableState.showContent() ? child(loadableState.data, loadableState.isLoading) : const SizedBox.shrink()
),
],
),

4
lib/state/app/infrastructure/loadableState/view/loadable_state_error_bar.dart
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@ -1,7 +1,7 @@
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../utilityWidgets/bloc_providing_builder.dart';
import '../../utilityWidgets/bloc_module.dart';
import '../bloc/loadable_state_bloc.dart';
import '../bloc/loadable_state_state.dart';
@ -12,7 +12,7 @@ class LoadableStateErrorBar extends StatelessWidget {
final Duration animationDuration = const Duration(milliseconds: 200);
@override
Widget build(BuildContext context) => BlocProvidingBuilder<LoadableStateBloc, LoadableStateState>(
Widget build(BuildContext context) => BlocModule<LoadableStateBloc, LoadableStateState>(
create: (context) => LoadableStateBloc(),
child: (context, state) => AnimatedSize(
duration: animationDuration,

6
lib/state/app/infrastructure/loadableState/view/loadable_state_primary_loading.dart
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@ -1,15 +1,15 @@
import 'package:flutter/material.dart';
import 'loadable_state_consumer.dart';
class LoadableStatePrimaryLoading extends StatelessWidget {
final bool visible;
const LoadableStatePrimaryLoading({required this.visible, super.key});
final Duration animationDuration = const Duration(milliseconds: 200);
@override
Widget build(BuildContext context) => AnimatedOpacity(
opacity: visible ? 1.0 : 0.0,
duration: animationDuration,
duration: LoadableStateConsumer.animationDuration,
curve: Curves.easeInOut,
child: const Center(child: CircularProgressIndicator()),
);