Demo/UI/PresenceConsole.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Posechaemost.Domain.UseCase;

namespace Posechaemost.UI
{
    public class PresenceConsoleUI
    {
        PresenceUseCase _presenceUseCase;
        public PresenceConsoleUI(PresenceUseCase presenceUseCase) 
        {
            _presenceUseCase = presenceUseCase;
        }

        public void GetPresenceByGroup(int groupId) 
        {
            StringBuilder presenceOutput = new StringBuilder();
            var presence = _presenceUseCase.GetPresenceByGroup(groupId);
            foreach (var p in presence)
            {
                presenceOutput.AppendLine($"{p.User.UserId}\t{p.User.FIO}\t{p.ClassNumber}\t{p.Date}\t{p.IsAttendence}");
            }
            Console.WriteLine(presenceOutput);
        }

        public void GetPresenceByGroupAndDate(int groupId, DateOnly date) 
        {
            StringBuilder presenceOutput = new StringBuilder();
            var presence = _presenceUseCase.GetPresenceByGroupAndDate(groupId, date);
            foreach (var p in presence)
            {
                presenceOutput.AppendLine($"{p.User.UserId}\t{p.User.FIO}\t{p.ClassNumber}\t{p.Date}\t{p.IsAttendence}");
            }
            Console.WriteLine(presenceOutput);
        }

        public void UncheckAttendence(int firstClass, int lastClass, DateOnly date, int userId) 
        {
            string output = _presenceUseCase.UncheckAttendence(firstClass, lastClass, date, userId) ? 
                "Посещаемость обновлена" : "Посещаемость не обновлена";
            Console.WriteLine(output);
        }

        public void AddPresence(int firstClass, int lastClass, int groupId, DateOnly date) 
        {
            StringBuilder presenceOutput = new StringBuilder();
            _presenceUseCase.AddPresence(firstClass, lastClass, groupId, date);
            presenceOutput.AppendLine("Посещаемость добавлена");
            Console.WriteLine(presenceOutput);
        }
    }
}