72 lines
2.5 KiB
Dart

import 'package:equatable/equatable.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:minecraft_server_installer/vanila/adapter/presentation/game_version_view_model.dart';
import 'package:minecraft_server_installer/vanila/application/use_case/download_server_file_use_case.dart';
import 'package:minecraft_server_installer/vanila/application/use_case/get_game_version_list_use_case.dart';
class GameVersionBloc extends Bloc<VanilaEvent, VanilaState> {
final GetGameVersionListUseCase _getGameVersionListUseCase;
final DownloadServerFileUseCase _downloadServerFileUseCase;
GameVersionBloc(this._getGameVersionListUseCase, this._downloadServerFileUseCase) : super(const VanilaState.empty()) {
on<VanilaGameVersionListLoadedEvent>((_, emit) async {
try {
final gameVersions = await _getGameVersionListUseCase();
emit(
VanilaState(
gameVersions: gameVersions.map((entity) => GameVersionViewModel.from(entity)).toList(),
selectedGameVersion: null,
),
);
} on Exception {
emit(const VanilaState.empty());
}
});
on<VanilaGameVersionSelectedEvent>((event, emit) {
emit(state.copyWith(selectedGameVersion: event.gameVersion));
});
on<VanilaServerFileDownloadedEvent>((_, emit) async {
final gameVersion = state.selectedGameVersion;
if (gameVersion == null) {
return;
}
await _downloadServerFileUseCase(gameVersion.toEntity(), './server.jar');
});
}
}
sealed class VanilaEvent {}
class VanilaGameVersionListLoadedEvent extends VanilaEvent {}
class VanilaGameVersionSelectedEvent extends VanilaEvent {
final GameVersionViewModel gameVersion;
VanilaGameVersionSelectedEvent(this.gameVersion);
}
class VanilaServerFileDownloadedEvent extends VanilaEvent {}
class VanilaState with EquatableMixin {
final List<GameVersionViewModel> gameVersions;
final GameVersionViewModel? selectedGameVersion;
const VanilaState({required this.gameVersions, required this.selectedGameVersion});
const VanilaState.empty() : this(gameVersions: const [], selectedGameVersion: null);
@override
List<Object?> get props => [gameVersions, selectedGameVersion];
bool get isGameVersionSelected => selectedGameVersion != null;
VanilaState copyWith({List<GameVersionViewModel>? gameVersions, GameVersionViewModel? selectedGameVersion}) =>
VanilaState(
gameVersions: gameVersions ?? this.gameVersions,
selectedGameVersion: selectedGameVersion ?? this.selectedGameVersion,
);
}