MCSI-8 feat: implement server properties management with DTO and file storage

lib/properties/adapter/gateway/server_properties_dto.dart

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+import 'package:minecraft_server_installer/properties/domain/entity/server_properties.dart';
+import 'package:minecraft_server_installer/properties/domain/enum/difficulty.dart';
+import 'package:minecraft_server_installer/properties/domain/enum/game_mode.dart';
+
+class ServerPropertiesDto {
+  final int serverPort;
+  final int maxPlayers;
+  final int spawnProtection;
+  final int viewDistance;
+  final bool pvp;
+  final String gameMode;
+  final String difficulty;
+  final bool enableCommandBlock;
+  final bool onlineMode;
+  final String motd;
+
+  const ServerPropertiesDto({
+    required this.serverPort,
+    required this.maxPlayers,
+    required this.spawnProtection,
+    required this.viewDistance,
+    required this.pvp,
+    required this.gameMode,
+    required this.difficulty,
+    required this.enableCommandBlock,
+    required this.onlineMode,
+    required this.motd,
+  });
+
+  ServerPropertiesDto.fromEntity(ServerProperties serverProperties)
+      : serverPort = serverProperties.serverPort,
+        maxPlayers = serverProperties.maxPlayers,
+        spawnProtection = serverProperties.spawnProtection,
+        viewDistance = serverProperties.viewDistance,
+        pvp = serverProperties.pvp,
+        gameMode = serverProperties.gameMode.value,
+        difficulty = serverProperties.difficulty.value,
+        enableCommandBlock = serverProperties.enableCommandBlock,
+        onlineMode = serverProperties.onlineMode,
+        motd = serverProperties.motd;
+
+  Map<String, String> toStringMap() => {
+        'server-port': serverPort.toString(),
+        'max-players': maxPlayers.toString(),
+        'spawn-protection': spawnProtection.toString(),
+        'view-distance': viewDistance.toString(),
+        'pvp': pvp.toString(),
+        'gamemode': gameMode,
+        'difficulty': difficulty,
+        'enable-command-block': enableCommandBlock.toString(),
+        'online-mode': onlineMode.toString(),
+        'motd': motd,
+      };
+}
+
+extension _GameModeExtension on GameMode {
+  String get value {
+    switch (this) {
+      case GameMode.survival:
+        return 'survival';
+      case GameMode.creative:
+        return 'creative';
+      case GameMode.adventure:
+        return 'adventure';
+      case GameMode.spectator:
+        return 'spectator';
+    }
+  }
+}
+
+extension _DifficultyExtension on Difficulty {
+  String get value {
+    switch (this) {
+      case Difficulty.peaceful:
+        return 'peaceful';
+      case Difficulty.easy:
+        return 'easy';
+      case Difficulty.normal:
+        return 'normal';
+      case Difficulty.hard:
+        return 'hard';
+    }
+  }
+}

lib/properties/adapter/gateway/server_properties_file_storage.dart

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+import 'package:minecraft_server_installer/properties/adapter/gateway/server_properties_dto.dart';
+
+abstract interface class ServerPropertiesFileStorage {
+  Future<void> writeServerProperties(ServerPropertiesDto serverPropertiesDto, String directoryPath);
+}

lib/properties/adapter/gateway/server_properties_repository_impl.dart

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+import 'package:minecraft_server_installer/properties/adapter/gateway/server_properties_dto.dart';
+import 'package:minecraft_server_installer/properties/adapter/gateway/server_properties_file_storage.dart';
+import 'package:minecraft_server_installer/properties/application/repository/server_properties_repository.dart';
+import 'package:minecraft_server_installer/properties/domain/entity/server_properties.dart';
+
+class ServerPropertiesRepositoryImpl implements ServerPropertiesRepository {
+  final ServerPropertiesFileStorage _serverPropertiesFileStorage;
+
+  ServerPropertiesRepositoryImpl(this._serverPropertiesFileStorage);
+
+  @override
+  Future<void> writeServerProperties(ServerProperties serverProperties, String directoryPath) =>
+      _serverPropertiesFileStorage.writeServerProperties(
+        ServerPropertiesDto.fromEntity(serverProperties),
+        directoryPath,
+      );
+}

lib/properties/application/repository/server_properties_repository.dart

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+import 'package:minecraft_server_installer/properties/domain/entity/server_properties.dart';
+
+abstract interface class ServerPropertiesRepository {
+  Future<void> writeServerProperties(ServerProperties serverProperties, String directoryPath);
+}

lib/properties/application/use_case/write_server_properties_use_case.dart

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+import 'package:minecraft_server_installer/properties/application/repository/server_properties_repository.dart';
+import 'package:minecraft_server_installer/properties/domain/entity/server_properties.dart';
+
+class WriteServerPropertiesUseCase {
+  final ServerPropertiesRepository _serverPropertiesRepository;
+
+  WriteServerPropertiesUseCase(this._serverPropertiesRepository);
+
+  Future<void> call(ServerProperties serverProperties, String directoryPath) =>
+      _serverPropertiesRepository.writeServerProperties(serverProperties, directoryPath);
+}

lib/properties/domain/entity/server_properties.dart

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+import 'package:equatable/equatable.dart';
+import 'package:minecraft_server_installer/properties/domain/enum/difficulty.dart';
+import 'package:minecraft_server_installer/properties/domain/enum/game_mode.dart';
+
+class ServerProperties with EquatableMixin {
+  final int serverPort;
+  final int maxPlayers;
+  final int spawnProtection;
+  final int viewDistance;
+  final bool pvp;
+  final GameMode gameMode;
+  final Difficulty difficulty;
+  final bool enableCommandBlock;
+  final bool onlineMode;
+  final String motd;
+
+  const ServerProperties({
+    required this.serverPort,
+    required this.maxPlayers,
+    required this.spawnProtection,
+    required this.viewDistance,
+    required this.pvp,
+    required this.gameMode,
+    required this.difficulty,
+    required this.enableCommandBlock,
+    required this.onlineMode,
+    required this.motd,
+  });
+
+  @override
+  List<Object?> get props => [
+        serverPort,
+        maxPlayers,
+        spawnProtection,
+        viewDistance,
+        pvp,
+        gameMode,
+        difficulty,
+        enableCommandBlock,
+        onlineMode,
+        motd,
+      ];
+}

lib/properties/domain/enum/difficulty.dart

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+enum Difficulty {
+  peaceful,
+  easy,
+  normal,
+  hard,
+}

lib/properties/domain/enum/game_mode.dart

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+enum GameMode {
+  survival,
+  creative,
+  adventure,
+  spectator,
+}

lib/properties/framework/storage/server_properties_file_storage_impl.dart

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+import 'dart:io';
+
+import 'package:minecraft_server_installer/properties/adapter/gateway/server_properties_dto.dart';
+import 'package:minecraft_server_installer/properties/adapter/gateway/server_properties_file_storage.dart';
+
+class ServerPropertiesFileStorageImpl implements ServerPropertiesFileStorage {
+  @override
+  Future<void> writeServerProperties(ServerPropertiesDto serverPropertiesDto, String directoryPath) async {
+    File file = File('$directoryPath/server.properties');
+    await file.create(recursive: true);
+
+    final propertiesMap = serverPropertiesDto.toStringMap();
+    await file.writeAsString(propertiesMap.entries.map((e) => '${e.key}=${e.value}').join('\n'));
+  }
+}