Raspisanie/Zurnal/Program.cs

using Data.Repository;
using Zurnal.Data.Repository;
using Zurnal.Domain.UseCase;
using Zurnal.Presence;
using Zurnal.UI;

IServiceCollection services = new ServiceCollection();

services
    .AddDbContext<RemoteDateBaseContext>()
    .AddSingleton<IGroupRepository, SQLGroupRepositoryImpl>()
    .AddSingleton<IUserRepository, SQLUserRepositoryImpl>()
    .AddSingleton<IPresenceRepository, SQLPresenceRepositoryImpl>()
    .AddSingleton<UserUseCase>()
    .AddSingleton<GroupUseCase>()
    .AddSingleton<UseCaseGeneratePresence>()
    .AddSingleton<MainMenuUI>();

var serviceProvider = services.BuildServiceProvider();
MainMenuUI mainMenuUI = serviceProvider.GetService<MainMenuUI>();

mainMenuUI.DisplayMenu();