presence/console_ui/UI/GroupUI.cs

using domain.Request;
using domain.Service;
using domain.UseCase;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace console_ui.UI
{
    public class GroupUI
    {
        private readonly IGroupUseCase _groupService;

        public GroupUI(IGroupUseCase groupService)
        {
            _groupService = groupService;
        }

        public void AddGroup() 
        {
            Console.Write("Введите имя группы: ");
            _groupService.AddGroup(new AddGroupRequest { Name = Console.ReadLine() });
        }

        public void AddGroupWithStudents()
        {
            Console.Write("Введите имя группы: ");
            AddGroupRequest addGroupRequest = new AddGroupRequest { Name = Console.ReadLine() };
            List<AddStudentRequest> addStudentRequests = new List<AddStudentRequest>()
            {
                new AddStudentRequest {FirstName = "Имя", LastName = "Фамилия", Patronymic = "Отчество"},
                new AddStudentRequest {FirstName = "Imya", LastName = "Familiya", Patronymic = "Otchestvo"},
                new AddStudentRequest {FirstName = "FirstName", LastName = "LastName", Patronymic = "Patronymic"},
                new AddStudentRequest {FirstName = "1", LastName = "2", Patronymic = "3"},
            };
            AddGroupWithStudentRequest addGroupWithStudentRequest = new() 
            { 
                AddGroupRequest = addGroupRequest,
                AddStudentRequests = addStudentRequests 
            };

            _groupService.AddGroupWithStudents(addGroupWithStudentRequest);
        }

        public void RemoveGroup()
        {
            Console.Write("Введите индетефикатор группы: ");
            RemoveGroupRequest removeGroupRequest = new RemoveGroupRequest { GroupId = int.Parse(Console.ReadLine()) };
            _groupService.RemoveGroup(removeGroupRequest);
        }
    }
}