diff --git a/Zurnal/RemaDateBase/DateDao/PresnceDao.cs b/Zurnal/RemaDateBase/DateDao/PresnceDao.cs
index 075c6da..ca8d199 100644
--- a/Zurnal/RemaDateBase/DateDao/PresnceDao.cs
+++ b/Zurnal/RemaDateBase/DateDao/PresnceDao.cs
@@ -2,7 +2,8 @@
 {
     public class PresnceDao
 {
-    public Guid UserGuid { get; set; }
+
+        public Guid UserGuid { get; set; }
     public bool IsAttendensy { get; set; } = true;
     public int LessonNumber { get; set; }
     public DateOnly Date {  get; set; }
diff --git a/Zurnal/RemaDateBase/Interfase/IGroupRepositoryes.cs b/Zurnal/RemaDateBase/Interfase/IGroupRepositoryes.cs
index a838bfa..4395a88 100644
--- a/Zurnal/RemaDateBase/Interfase/IGroupRepositoryes.cs
+++ b/Zurnal/RemaDateBase/Interfase/IGroupRepositoryes.cs
@@ -1,17 +1,84 @@
 using Zurnal.domain.Models;
+using Zurnal.RemaDateBase.DateDao;
 using Group = System.Text.RegularExpressions.Group;
 
 namespace Zurnal.RemaDateBase
 {
     public interface IGroupRepository
     {
-        void AddGroup(Group group);
-        Group GetGroupById(int id);
-        IEnumerable<Group> GetAllGroups();
-        void UpdateGroup(Group group);
-        void DeleteGroup(int id);
-    object GetAllGroup();
-    bool RemoveGroupById(int groupID);
-    bool UpdateGroupById(int groupID, GroupLocalEntity updatedGroup);
+    List<GroupDao> AllGroup { get; }
+
+    public IEnumerable<GroupDao> AllGroups()
+    {
+        return AllGroup.Select(g => new GroupDao { GroupName = g.GroupName, Id = g.Id });
+    }
+
+    public bool RemoveGroupById(int groupId)
+    {
+        var group = AllGroup.FirstOrDefault(g => g.Id == groupId);
+        if (group != null)
+        {
+            AllGroup.Remove(group);
+            return true;
+        }
+        return false;
+    }
+
+    public GroupDao FindGroupById(int groupId)
+    {
+        return AllGroup.FirstOrDefault(g => g.Id == groupId);
+    }
+
+    public bool UpdateGroupById(int groupId, GroupDao updatedGroup)
+    {
+        if (updatedGroup == null) throw new ArgumentNullException(nameof(updatedGroup));
+
+        var group = AllGroup.FirstOrDefault(g => g.Id == groupId);
+        if (group != null)
+        {
+            group.GroupName = updatedGroup.GroupName; 
+            return true;
+        }
+        return false;
+    }
+
+    public void DeleteGroup(int id)
+    {
+        var group = AllGroup.FirstOrDefault(g => g.Id == id);
+        if (group != null)
+        {
+            AllGroup.Remove(group);
+        }
+    }
+
+    public IEnumerable<GroupDao> GetAllGroups()
+    {
+        return AllGroup;
+    }
+
+    public void UpdateGroupName(int groupId, string name)
+    {
+        if (name == null) throw new ArgumentNullException(nameof(name));
+
+        var group = AllGroup.FirstOrDefault(g => g.Id == groupId);
+        if (group != null)
+        {
+            group.GroupName = name; 
+        }
+    }
+    public bool UpdateUser(Guid userGuid, UserDao updatedUser)
+    {
+        if (updatedUser == null) throw new ArgumentNullException(nameof(updatedUser));
+
+        var user = AllGroup.SelectMany(g => g.Users).FirstOrDefault(u => u.UserGuid == userGuid);
+        if (user != null)
+        {
+            user.FIO = updatedUser.FIO;
+            user.GroupID = updatedUser.GroupID;
+            user.Group = updatedUser.Group;
+            return true;
+        }
+        return false;
+    }
 }
 }
\ No newline at end of file
diff --git a/Zurnal/RemaDateBase/Interfase/IPresenceRepository.cs b/Zurnal/RemaDateBase/Interfase/IPresenceRepository.cs
index 49240ed..1f792fd 100644
--- a/Zurnal/RemaDateBase/Interfase/IPresenceRepository.cs
+++ b/Zurnal/RemaDateBase/Interfase/IPresenceRepository.cs
@@ -1,9 +1,10 @@
-using Zurnal.domain.Models;
+using Zurnal.RemaDateBase.DateDao;
+
 public interface IPresenceRepository
 {
-    void AddPresence(Presence presence);
-    Presence GetPresenceById(int id);
-    IEnumerable<Presence> GetAllPresences();
-    void UpdatePresence(Presence presence);
+    void AddPresence(PresnceDao presence);
+    PresnceDao GetPresenceById(int id);
+    IEnumerable<PresnceDao> GetAllPresences();
+    void UpdatePresence(PresnceDao presence);
     void DeletePresence(int id);
 }
\ No newline at end of file
diff --git a/Zurnal/RemaDateBase/PresenceRepository.cs b/Zurnal/RemaDateBase/PresenceRepository.cs
new file mode 100644
index 0000000..5844c9f
--- /dev/null
+++ b/Zurnal/RemaDateBase/PresenceRepository.cs
@@ -0,0 +1,80 @@
+using Zurnal.RemaDateBase.DateDao;
+public class PresenceRepository : IPresenceRepository
+{
+    private List<PresnceDao> presences = new List<PresnceDao>();
+
+    public void AddPresence(PresnceDao presence)
+    {
+        presences.Add(new PresnceDao 
+        {
+            UserGuid = presence.UserGuid,
+            IsAttendensy = presence.IsAttendensy,
+            LessonNumber = presence.LessonNumber,
+            Date = presence.Date,
+            userDao = new UserDao
+            {
+                FIO = presence.userDao.FIO, 
+                UserGuid = presence.userDao.UserGuid, 
+                GroupID = presence.userDao.GroupID, 
+                Group = new GroupDao { Id = presence.userDao.Group.Id, GroupName = presence.userDao.Group.GroupName } 
+            }
+        });
+    }
+
+    public PresnceDao GetPresenceById(int id)
+    {
+        var presence = presences.FirstOrDefault(p => p.LessonNumber == id);
+        return presence != null ? new PresnceDao
+        {
+            UserGuid = presence.UserGuid,
+            IsAttendensy = presence.IsAttendensy,
+            LessonNumber = presence.LessonNumber,
+            Date = presence.Date,
+            userDao = new UserDao
+            {
+                FIO = presence.userDao.FIO,
+                GroupID = presence.userDao.GroupID,
+                Group = presence.userDao.Group
+            }
+        } : null;
+    }
+
+    public IEnumerable<PresnceDao> GetAllPresences()
+    {
+        return presences.Select(p => new PresnceDao 
+        {
+            UserGuid = p.UserGuid,
+            IsAttendensy = p.IsAttendensy,
+            LessonNumber = p.LessonNumber,
+            Date = p.Date,
+            userDao = new UserDao 
+            {
+                FIO = p.userDao.FIO,
+                GroupID = p.userDao.GroupID,
+                Group = p.userDao.Group 
+            }
+        }).ToList();
+    }
+
+    public void UpdatePresence(PresnceDao presence)
+    {
+        var existingPresence = presences.FirstOrDefault(p => p.LessonNumber == presence.LessonNumber);
+        if (existingPresence != null)
+        {
+            existingPresence.IsAttendensy = presence.IsAttendensy;
+            existingPresence.Date = presence.Date;
+            existingPresence.userDao.FIO = presence.userDao.FIO; 
+            existingPresence.userDao.GroupID = presence.userDao.GroupID; 
+            existingPresence.userDao.Group.GroupName = presence.userDao.Group.GroupName; 
+        }
+    }
+
+    public void DeletePresence(int id)
+    {
+        var presence = presences.FirstOrDefault(p => p.LessonNumber == id);
+        if (presence != null)
+        {
+            presences.Remove(presence);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
index 301b687..5acf700 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+e86bec8a7f833b7d641968f35cc2ebce20da3dc8")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+4f7ef7ffb28283c7077607579022f64cf7ddd780")]
 [assembly: System.Reflection.AssemblyProductAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
index 1a05c09..de0e327 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
@@ -1 +1 @@
-91af4bd6b85cc028ddbbf62d14f2f440aae593b748896e98c6bba89005927b76
+0c70dc958a2438c97ce99e147330083f09b6a5a64e1928d9238f0aae829439d3