pr1/presence/console_ui/Program.cs

using console_ui;
using data;
using Demo.Data.RemoteData.RemoteDataBase;
using Demo.Data.Repository;
using Demo.Domain.UseCase;
using Demo.UI;
using domain.Service;
using domain.UseCase;
using Microsoft.Extensions.DependencyInjection;

void printAllGroups(IGroupRepository groupRepository)
{
    foreach (var item in groupRepository.GetAllGroup())
    {
        Console.WriteLine($"{item.Id} {item.Name}");
    }
}

IServiceCollection serviceCollection = new ServiceCollection();

serviceCollection
    .AddDbContext<RemoteDatabaseContext>()
    .AddSingleton<IGroupRepository, SQLGroupRepositoryImpl>()
     .AddSingleton<IUserRepository, SQLUserRepositoryImpl>()
    .AddSingleton<IPresenceRepository, SQLPresenceRepositoryImpl>()
    .AddSingleton<UserUseCase>()
    .AddSingleton<GroupUseCase>()
    .AddSingleton<PresenceUseCase>()
    .AddSingleton<MainMenuUI>();


var serivceProvider = serviceCollection.BuildServiceProvider();

var groupUi = serivceProvider.GetService<GroupUI>();

groupUi?.AddGroup();