using data.DAO; using System; using System.Collections.Generic; namespace data.Repository { public interface IPresenceRepository { IEnumerable GetPresence( int groupId, int? subjectId = null, DateOnly? date = null, int? studentId = null); public void DeleteAllPresence(); public void DeleteGroupPresence(int groupId); public void AddPresenceRecords(List items); public void UpdatePresenceRecords(List items); } }