class_declaration.dart

import 'package:app_version_config_repository/app_version_config_repository.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_boilerplate/core/error/error_messages.dart';
import 'package:flutter_boilerplate/core/error/exceptions.dart';
import 'package:flutter_boilerplate/domain/app_versioning/entities/app_version_entity.dart';
import 'package:flutter_boilerplate/domain/app_versioning/entities/upgrade_information_entity.dart';
import 'package:flutter_boilerplate/domain/app_versioning/results/app_version_result.dart';
import 'package:flutter_boilerplate/domain/app_versioning/results/validate_app_version_result.dart';
import 'package:flutter_boilerplate/domain/app_versioning/service_contracts/app_versioning_service_contract.dart';
import 'package:injectable/injectable.dart';
import 'package:new_version/new_version.dart';
import 'package:package_info_plus/package_info_plus.dart';

@Singleton(as: AppVersioningServiceContract)
class AppVersioningServiceLogic implements AppVersioningServiceContract {
  // Constructor that tells injectable which dependencies should inject
  AppVersioningServiceLogic({
    required PackageInfo packageInfo,
    required NewVersion newVersion,
    required AppVersionConfigRepository appVersionConfigRepository,
  })  : _packageInfo = packageInfo,
        _newVersion = newVersion,
        _appVersionConfigRepository = appVersionConfigRepository;

  final PackageInfo _packageInfo;
  final NewVersion _newVersion;
  final AppVersionConfigRepository _appVersionConfigRepository;
  
  // Class implementation stuff
}