xxxproject/Demo/Data/Repository/SQLPresenceRepositoryLmpl.cs

using Demo.Data.Entity;
using Demo.Data.RemoteData.RemoteDataBase;
using Demo.Data.RemoteData.RemoteDataBase.DAO;
using System.Collections.Generic;
using System.Linq;

namespace Demo.Data.Repository
{
    public class SQLPresenceRepositoryImpl : IPresenceRepository
    {
        private readonly RemoteDatabaseContex _remoteDatabaseContext;

        public SQLPresenceRepositoryImpl(RemoteDatabaseContex remoteDatabaseContext)
        {
            _remoteDatabaseContext = remoteDatabaseContext;
        }

        public bool AddPresence(PresenceLocalEntity newPresence)
        {
            var presenceDao = new PresenceDao
            {
                UserGuid = newPresence.UserGuid,
                IsAttedance = newPresence.IsAttedance, // Используем IsAttendance
                Date = newPresence.Date,
                LessonNumber = newPresence.LessonNumber
            };

            _remoteDatabaseContext.PresenceDaos.Add(presenceDao);
            return _remoteDatabaseContext.SaveChanges() > 0; // Возвращаем true, если изменения сохранены
        }

        public List<PresenceLocalEntity> GetAllPresences()
        {
            return _remoteDatabaseContext.PresenceDaos
                .Select(p => new PresenceLocalEntity
                {
                    UserGuid = p.UserGuid,
                    IsAttedance = p.IsAttedance, // Обратите внимание на правильное название свойства
                    Date = p.Date,
                    LessonNumber = p.LessonNumber
                })
                .ToList();
        }
    }
}