hi

123/Data/LocalData/Entity/Presence.cs

@@ -8,7 +8,7 @@ namespace _123.Data.LocalData.Entity
 {
     public class PresenceLocalEntity
     {
-         public required Guid UserGuid { get; set; }
+        public required int UserID { get; set; }
         public bool IsAttedance { get; set; } = true;
         public required DateOnly Date { get; set; }
 

123/Data/LocalData/Entity/User.cs

@@ -6,16 +6,12 @@ using System.Threading.Tasks;
 
 namespace _123.Data.LocalData.Entity
 {
-    public class UserLocalEntity : IEquatable<UserLocalEntity>
+    public class UserLocalEntity 
     {
         public required string UserFIO { get; set; }
-        public Guid UserGuid { get; set; }
+        public int UserId { get; set; }
 
         public required int GroupID { get; set; }
-        public bool Equals(UserLocalEntity? other)
-        {
-            if (other == null) return false;
-            return this.UserGuid.Equals(other.UserGuid);
-        }
+        
     }
 }

123/Data/LocalData/LocalStaticData.cs

@@ -1,4 +1,5 @@
 using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -17,12 +18,12 @@ namespace _123.Data.LocalData
         };
         public static List<UserLocalEntity> users => new List<UserLocalEntity>
         {
-            new UserLocalEntity{UserGuid=Guid.Parse("e6b9964d-ea9f-420a-84b9-af9633bbfab9"), UserFIO = "RandomFio", GroupID = 1 },
-            new UserLocalEntity{UserGuid=Guid.Parse("8388d931-5bef-41be-a152-78f1aca980ed"), UserFIO = "RandomFio1", GroupID = 2 },
-            new UserLocalEntity{UserGuid=Guid.Parse("ed174548-49ed-4503-a902-c970cbf27173"), UserFIO = "RandomFio2", GroupID = 3 },
-            new UserLocalEntity{UserGuid=Guid.Parse("614c0a23-5bd5-43ae-b48e-d5750afbc282"), UserFIO = "RandomFio3", GroupID = 1 },
-            new UserLocalEntity{UserGuid=Guid.Parse("efcc1473-c116-4244-b3f7-f2341a5c3003"), UserFIO = "RandomFio4", GroupID = 2 },
-            new UserLocalEntity{UserGuid=Guid.Parse("60640fb3-ace2-4cad-81d5-a0a58bc2dbbd"), UserFIO = "RandomFio5", GroupID = 3 },
+            new UserLocalEntity{UserId = 1, UserFIO = "RandomFio", GroupID = 1 },
+            new UserLocalEntity{UserId = 2, UserFIO = "RandomFio1", GroupID = 2 },
+            new UserLocalEntity{UserId = 3, UserFIO = "RandomFio2", GroupID = 3 },
+            new UserLocalEntity{UserId = 4, UserFIO = "RandomFio3", GroupID = 1 },
+            new UserLocalEntity{UserId = 5, UserFIO = "RandomFio4", GroupID = 2 },
+            new UserLocalEntity{UserId = 6, UserFIO = "RandomFio5", GroupID = 3 },
         };
         public static List<PresenceLocalEntity> presences => new List<PresenceLocalEntity>
         {

123/Data/RemoteData/RemoteDatabase/DAO/Group.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.RemoteData.RemoteDatabase.DAO
+{
+    public class GroupDao
+    {
+        public int ID { get; set; }
+        public required string Name { get; set; }
+        public IEnumerable<UserDao> Users { get; set; }
+    }
+}

123/Data/RemoteData/RemoteDatabase/DAO/Presence.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.RemoteData.RemoteDatabase.DAO
+{
+    public class PresenceDao 
+    { 
+        public bool IsAttedance { get; set; } = true;
+        public required DateOnly Date { get; set; }
+
+        public required int LessonNumber { get; set; }
+        public UserDao UserDao { get; set; }
+        public int UserID { get; set; }
+        public int GroupId { get; set; }
+    }
+}

123/Data/RemoteData/RemoteDatabase/DAO/User.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.RemoteData.RemoteDatabase.DAO
+{
+    public class UserDao 
+    {
+        public required string UserFIO { get; set; }
+        public int UserID { get; set; }
+
+        public required int GroupID { get; set; }
+        
+        public GroupDao Group { get; set; }
+    }
+}

123/Data/RemoteData/RemoteDatabase/RemoteDatabaseContext.cs

@@ -0,0 +1,36 @@
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.RemoteData.RemoteDatabase
+{
+    public class RemoteDatabaseContext: DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseNpgsql("Host = 45.67.56.214; Port = 5421; Username = user3; Database = user3; Password = VOTfZ8PQ");
+        }
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<GroupDao>().HasKey(group => group.ID);
+            modelBuilder.Entity<GroupDao>().Property(group => group.ID).ValueGeneratedOnAdd();
+            modelBuilder.Entity<UserDao>().HasKey(user => user.UserID);
+            modelBuilder.Entity<UserDao>().Property(user => user.UserID).ValueGeneratedOnAdd();
+            modelBuilder.Entity<PresenceDao>().HasKey(presence => new
+            {
+                presence.UserID,
+                presence.Date,
+                presence.IsAttedance,
+                presence.LessonNumber
+            });
+        }
+        public DbSet<GroupDao> Groups { get; set; }
+        public DbSet<UserDao> Users { get; set; }
+        public DbSet<PresenceDao> PresencesDaos { get; set; }
+    }
+    }
+

123/Data/ReportsHistory/GroupRepositoty.cs

@@ -1,33 +0,0 @@
-using _123.Data.LocalData.Entity;
-using _123.Data.LocalData;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace _123.Data.ReportsHistory
-{
-
-        public class GroupRepositoryImpl
-        {
-            public List<GroupLocalEntity> GetAllGroups() => LocalStaticData.groups;
-
-        public GroupLocalEntity? UpdateGroup(String name)
-        {
-            GroupLocalEntity? groupLocal = GetAllGroups()
-                .Where(x => x.Name == name).FirstOrDefault();
-            if (groupLocal == null) return null;
-            groupLocal.Name = name;
-            return groupLocal;
-        }
-        public GroupLocalEntity AddGroup(String  name, String id)
-        {
-            GroupLocalEntity? groupLocal = GetAllGroups().FirstOrDefault();
-            groupLocal.Name = name;
-            groupLocal.ID = int.Parse(id);
-            return groupLocal;
-
-        }
-        }
-    }

123/Data/ReportsHistory/UserRepositoty.cs

@@ -1,68 +0,0 @@
-using _123.Data.LocalData;
-using _123.Data.LocalData.Entity;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Xml.Linq;
-
-namespace _123.Data.ReportsHistory
-{
-    public class UserRepositoryImpl
-    {
-        public UserRepositoryImpl()
-        {
-
-            GetAllUsers = LocalStaticData.users;
-        }
-        public List<UserLocalEntity> GetAllUsers
-        { get; set; }
-
-        public bool RemoveUserByGuid(Guid userGuid)
-        {
-            UserLocalEntity? userLocal = GetAllUsers
-                .Where(x => x.UserGuid == userGuid).FirstOrDefault();
-            if (userLocal == null) return false;
-
-            return GetAllUsers.Remove(userLocal);
-        }
-        public UserLocalEntity FindUserByGuid(Guid userGuid)
-        {
-            UserLocalEntity? userLocal = GetAllUsers
-                .Where(x => x.UserGuid == userGuid).FirstOrDefault();
-            if (userLocal == null) throw new Exception("Пользователь не найден");
-            return userLocal; 
-        }
-
-
-        public UserLocalEntity? GetUserByGuid(Guid userGuid)
-        {
-            UserLocalEntity? userLocal = GetAllUsers
-                    .Where(x => x.UserGuid == userGuid).FirstOrDefault();
-            if (userLocal == null) return null;
-
-            return userLocal;
-        }
-
-        public UserLocalEntity? UpdateUser(UserLocalEntity userUpdateLocalEnity)
-        {
-            UserLocalEntity? userLocal = GetAllUsers
-                    .Where(x => x.UserGuid == userUpdateLocalEnity.UserGuid).FirstOrDefault();
-            if (userLocal == null) return null;
-            userLocal.UserFIO = userUpdateLocalEnity.UserFIO;
-            userLocal.GroupID = userUpdateLocalEnity.GroupID;
-            return userLocal;
-
-        }
-        public UserLocalEntity? UpdateUserByGuid(Guid userGuid)
-        {
-            UserLocalEntity? userLocal = GetAllUsers
-                    .Where(x => x.UserGuid == userGuid).FirstOrDefault();
-            if (userLocal == null) return null;
-            return userLocal;
-
-        }
-
-    }
-}

123/Data/Repository/GroupRepositoty.cs

@@ -0,0 +1,65 @@
+using _123.Data.LocalData.Entity;
+using _123.Data.LocalData;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+
+namespace _123.Data.Repository
+{
+
+    public class GroupRepositoryImpl: IGroupRepository
+    {
+        public List<GroupLocalEntity> GetAllGroups() => LocalStaticData.groups;
+        public bool AddGroup(String name,String Id)
+        {
+            GroupLocalEntity? groupLocal = GetAllGroups().FirstOrDefault();
+            groupLocal.Name = name;
+            groupLocal.ID = int.Parse(Id);
+            return true;
+        }
+
+        public List<GroupLocalEntity> GetAllGroup()
+        {
+           return GetAllGroup();
+        }
+
+        public GroupLocalEntity GetGroupById(int groupID)
+        {
+            GroupLocalEntity? groupLocal = GetAllGroups()
+              .Where(x => x.ID == groupID).FirstOrDefault();
+           if (groupLocal == null) return null;
+            return groupLocal;
+        }
+
+        public bool RemoveGroupById(int groupID)
+        {
+            GroupLocalEntity? userLocal = GetAllGroups()
+                .Where(x => x.ID == groupID).FirstOrDefault();
+            if (userLocal == null) return false;
+            return GetAllGroups().Remove(userLocal);
+        }
+
+        public bool UpdateGroupById(int groupID, String name)
+        {
+            GroupLocalEntity? groupLocal = GetAllGroups()
+             .Where(x => x.ID == groupID).FirstOrDefault();
+          if (groupLocal == null) return false;
+           groupLocal.Name = name;
+           return true;
+        }
+
+        List<GroupDao> IGroupRepository.GetAllGroup()
+        {
+            throw new NotImplementedException();
+        }
+
+        GroupDao IGroupRepository.GetGroupById(int groupID)
+        {
+            throw new NotImplementedException();
+        }
+    }
+        }
+    

123/Data/Repository/IGroupRepository.cs

@@ -0,0 +1,19 @@
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.Repository
+{
+    public interface IGroupRepository
+    {
+        List<GroupDao> GetAllGroup();
+        bool RemoveGroupById(int groupID);
+        bool UpdateGroupById(int groupID, String name);
+        GroupDao GetGroupById(int groupID);
+        bool AddGroup(String name, String id);
+    }
+}

123/Data/Repository/IPresenceRepository.cs

@@ -0,0 +1,20 @@
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using _123.Domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.Repository
+{
+    public interface IPresenceRepository
+    {
+        List<PresenceDao> GetPresenceByGroup(int groupId);
+        List<PresenceDao>  GetPresenceByGroupAndDate(int groupId, DateOnly date);
+        bool UnCheckAttendence (int firstClass, int lastClass,  DateOnly date, int UserId);
+        void  AddPresence (PresenceDao presence);
+
+    }
+}

123/Data/Repository/IUserRepository.cs

@@ -0,0 +1,20 @@
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.Repository
+{
+    public interface IUserRepository
+    {
+        List<UserDao> GetAllUser();
+        bool RemoveUserById(int userId);
+        UserDao FindUserById(int userId);
+        UserDao? GetUserById(int userId);
+        UserDao? UpdateUser(UserDao userUpdate);
+        UserDao? UpdateUserById(int userId);
+    }
+}

123/Data/Repository/PresenceRepository.cs

@@ -0,0 +1,54 @@
+using _123.Data.LocalData;
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using _123.Domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace _123.Data.Repository
+{
+    public class PresenceRepositoryImpl : IPresenceRepository
+
+    {
+        public List<PresenceDao> GetAllPresences
+        { get; set; }
+
+        public void AddPresence(PresenceDao presence)
+        {
+            PresenceDao? presenceLocal = GetAllPresences.FirstOrDefault();
+            presenceLocal.UserID = presence.UserID;
+            presenceLocal.Date = presence.Date;
+            presenceLocal.IsAttedance = presence.IsAttedance;
+            presenceLocal.LessonNumber = presence.LessonNumber;
+
+        }
+
+        public List<PresenceDao> GetPresenceByGroup(int groupId)
+        {
+            return GetAllPresences;
+        }
+
+        public List<PresenceDao> GetPresenceByGroupAndDate(int groupId, DateOnly date)
+        {
+            return GetAllPresences;
+        }
+
+        public bool UnCheckAttendence(int firstClass, int lastClass, DateOnly date, int userId)
+        {
+            var presToUpdate = GetAllPresences
+                .Where(x => x.UserID == userId && x.LessonNumber >= firstClass
+                && x.LessonNumber <= lastClass && x.Date == date).ToList();
+            foreach (var presence in presToUpdate)
+            {
+                presence.IsAttedance = false;
+            }
+            return true;
+        }
+
+    }
+}

123/Data/Repository/SQLGroupRepository.cs

@@ -0,0 +1,121 @@
+using _123.Data.LocalData;
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace _123.Data.Repository
+{
+    public class SQLGroupRepositoryImpl : IGroupRepository
+    {
+        private readonly RemoteDatabaseContext _remoteDatabaseContext;
+
+        public SQLGroupRepositoryImpl(RemoteDatabaseContext remoteDatabaseContext)
+        {
+            _remoteDatabaseContext = remoteDatabaseContext;
+        }
+
+        public List<GroupDao> GetAllGroups()
+        {
+            var groups = _remoteDatabaseContext.Groups
+                .Select(g => new GroupDao
+                {
+                    ID = g.ID,
+                    Name = g.Name
+                })
+                .ToList();
+            return groups;
+        }
+
+        public bool AddGroup(string name, string id)
+        {
+            try
+            {
+                var groupDao = new GroupDao
+                {
+                    ID = int.Parse(id),
+                    Name = name,
+                    Users = new List<UserDao>()
+                };
+                _remoteDatabaseContext.Groups.Add(groupDao);
+                _remoteDatabaseContext.SaveChanges();
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        public List<GroupDao> GetAllGroup()
+        {
+            return GetAllGroups();
+        }
+
+        public GroupDao GetGroupById(int groupID)
+        {
+            var group = _remoteDatabaseContext.Groups
+                .FirstOrDefault(x => x.ID == groupID);
+
+            if (group == null) return null;
+
+            return new GroupDao
+            {
+                ID = group.ID,
+                Name = group.Name,
+                Users = group.Users?.Select(u => new UserDao
+                {
+                    UserID = u.UserID,
+                    UserFIO = u.UserFIO,
+                    GroupID = group.ID
+                }).ToList() ?? new List<UserDao>()
+            };
+        }
+
+        public bool RemoveGroupById(int groupID)
+        {
+            try
+            {
+                var group = _remoteDatabaseContext.Groups
+                    .FirstOrDefault(x => x.ID == groupID);
+                if (group == null) return false;
+
+                if (group.Users != null && group.Users.Any())
+                {
+                    return false;
+                }
+
+                _remoteDatabaseContext.Groups.Remove(group);
+                _remoteDatabaseContext.SaveChanges();
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        public bool UpdateGroupById(int groupID, string name)
+        {
+            try
+            {
+                var group = _remoteDatabaseContext.Groups
+                    .FirstOrDefault(x => x.ID == groupID);
+                if (group == null) return false;
+
+                group.Name = name;
+                _remoteDatabaseContext.SaveChanges();
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+}

123/Data/Repository/SQLPresenceRepository.cs

@@ -0,0 +1,57 @@
+using _123.Data.LocalData;
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.Repository
+{
+    public class SQLPresenceRepositoryImpl : IPresenceRepository
+    {
+        private readonly RemoteDatabaseContext _remoteDatabaseContext;
+
+        public SQLPresenceRepositoryImpl(RemoteDatabaseContext remoteDatabaseContext)
+        {
+            _remoteDatabaseContext = remoteDatabaseContext;
+        }
+
+        public void AddPresence(PresenceDao presence)
+        {
+            _remoteDatabaseContext.PresencesDaos.Add(presence);
+            _remoteDatabaseContext.SaveChanges();
+        }
+
+        public List<PresenceDao> GetPresenceByGroup(int groupId)
+        {
+            return _remoteDatabaseContext.PresencesDaos
+                .Where(p => p.GroupId == groupId)
+                .ToList();
+        }
+
+        public List<PresenceDao> GetPresenceByGroupAndDate(int groupId, DateOnly date)
+        {
+            return _remoteDatabaseContext.PresencesDaos
+                .Where(p => p.GroupId == groupId && p.Date == date)
+                .ToList();
+        }
+
+        public bool UnCheckAttendence(int firstClass, int lastClass, DateOnly date, int userId)
+        {
+            var presToUpdate = _remoteDatabaseContext.PresencesDaos
+                .Where(x => x.UserID == userId && x.LessonNumber >= firstClass
+                && x.LessonNumber <= lastClass && x.Date == date).ToList();
+
+            foreach (var presence in presToUpdate)
+            {
+                presence.IsAttedance = false;
+            }
+
+            _remoteDatabaseContext.SaveChanges();
+            return true;
+        }
+    }
+}

123/Data/Repository/SQLUserRepository.cs

@@ -0,0 +1,93 @@
+using _123.Data.LocalData;
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Data.Repository
+{
+    public class SQLUserRepositoryImpl : IUserRepository
+    {
+        private readonly RemoteDatabaseContext _remoteDatabaseContext;
+
+        public SQLUserRepositoryImpl(RemoteDatabaseContext remoteDatabaseContext)
+        {
+            _remoteDatabaseContext = remoteDatabaseContext;
+        }
+
+        public UserDao FindUserById(int userId)
+        {
+            var user = _remoteDatabaseContext.Users
+                .FirstOrDefault(x => x.UserID == userId);
+            if (user == null) throw new Exception("Пользователь не найден");
+            return user;
+        }
+        
+        public List<UserDao> GetAllUser()
+        {
+            return _remoteDatabaseContext.Users
+                .Select(u => new UserDao
+                {
+                    UserID = u.UserID,
+                    UserFIO = u.UserFIO,
+                    GroupID = u.GroupID,
+                    Group = u.Group
+                })
+                .ToList();
+        }
+
+        public UserDao? GetUserById(int userId)
+        {
+            return _remoteDatabaseContext.Users
+                .FirstOrDefault(x => x.UserID == userId);
+        }
+
+        public bool RemoveUserById(int userId)
+        {
+            try
+            {
+                var user = _remoteDatabaseContext.Users
+                    .FirstOrDefault(x => x.UserID == userId);
+                if (user == null) return false;
+
+                _remoteDatabaseContext.Users.Remove(user);
+                _remoteDatabaseContext.SaveChanges();
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        public UserDao? UpdateUser(UserDao userUpdate)
+        {
+            try
+            {
+                var user = _remoteDatabaseContext.Users
+                    .FirstOrDefault(x => x.UserID == userUpdate.UserID);
+                if (user == null) return null;
+
+                user.UserFIO = userUpdate.UserFIO;
+                user.GroupID = userUpdate.GroupID;
+                
+                _remoteDatabaseContext.SaveChanges();
+                return user;
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        public UserDao? UpdateUserById(int userId)
+        {
+            return _remoteDatabaseContext.Users
+                .FirstOrDefault(x => x.UserID == userId);
+        }
+    }
+}

123/Data/Repository/UserRepositoty.cs

@@ -0,0 +1,73 @@
+using _123.Data.LocalData;
+using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
+using _123.Data.Repository;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace _123.Data.ReportsHistory
+{
+    public class UserRepositoryImpl: IUserRepository
+    {
+        public UserRepositoryImpl()
+        {
+
+            GetAllUsers = LocalStaticData.users.Select(it => new UserDao { GroupID  = it.GroupID, UserFIO = it.UserFIO, UserID = it.UserId}).ToList();
+        }
+        public List<UserDao> GetAllUsers
+        { get; set; }
+
+        public List<UserDao> GetAllUser()
+        {
+            return GetAllUsers;
+        }
+        public bool RemoveUserById(int userId)
+        {
+            UserDao? userLocal = GetAllUsers
+                .Where(x => x.UserID == userId).FirstOrDefault();
+            if (userLocal == null) return false;
+
+            return GetAllUsers.Remove(userLocal);
+        }
+        public UserDao FindUserById(int userId)
+        {
+            UserDao? userLocal = GetAllUsers
+                .Where(x => x.UserID == userId).FirstOrDefault();
+            if (userLocal == null) throw new Exception("Пользователь не найден");
+            return userLocal; 
+        }
+
+
+        public UserDao? GetUserById(int userId)
+        {
+            UserDao? userLocal = GetAllUsers
+                    .Where(x => x.UserID == userId).FirstOrDefault();
+            if (userLocal == null) return null;
+
+            return userLocal;
+        }
+
+        public UserDao? UpdateUser(UserDao userUpdateDao)
+        {
+            UserDao? userLocal = GetAllUsers
+                    .Where(x => x.UserID == userUpdateDao.UserID).FirstOrDefault();
+            if (userLocal == null) return null;
+            userLocal.UserFIO = userUpdateDao.UserFIO;
+            userLocal.GroupID = userUpdateDao.GroupID;
+            return userLocal;
+
+        }
+        public UserDao? UpdateUserById(int userId)
+        {
+            UserDao? userLocal = GetAllUsers
+                    .Where(x => x.UserID == userId).FirstOrDefault();
+            if (userLocal == null) return null;
+            return userLocal;
+
+        }
+    }
+}

123/Demo.csproj

@@ -9,7 +9,13 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="Data\RemoteData\" />
+    <PackageReference Include="Microsoft.EntityFrameworkcore" Version="8.0.10" />
+    <PackageReference Include="Microsoft.EntityFrameworkcore.Design" Version="8.0.10">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.10" />
   </ItemGroup>
 
 </Project>

123/Domain/Models/User.cs

@@ -9,7 +9,7 @@ namespace _123.Domain.Models
     public class User
     {
         public required string UserFIO { get; set; }
-        public Guid UserGuid { get; set; }
+        public int UserID { get; set; }
 
         public required Group UserGroup { get; set; }
     }

123/Domain/UseCase/GroupUseCase.cs

@@ -6,31 +6,41 @@ using System.Text;
 using System.Threading.Tasks;
 using _123.Domain.Models;
 using _123.Data.LocalData.Entity;
+using _123.Data.Repository;
 
 namespace _123.Domain.UseCase
 {
     public class GroupUseCase
     {
-        private GroupRepositoryImpl _repositoryGroupImpl;
-        public GroupUseCase(GroupRepositoryImpl repositoryGroupImpl)
+        private readonly IGroupRepository _repositoryGroupImpl;
+        public GroupUseCase(IGroupRepository repositoryGroupImpl)
         {
             _repositoryGroupImpl = repositoryGroupImpl;
         }
-        public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroups()
+
+        public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroup()
              .Select(it => new Group { ID = it.ID, Name = it.Name }).ToList();
 
-        public Group UpdateGroupName(String name, String name1)
+        public bool UpdateGroupName(string id, string name)
         {
-            GroupLocalEntity? result = _repositoryGroupImpl.UpdateGroup(name);
-            if (result == null) throw new Exception("");
-            Group? group = GetAllGroups().FirstOrDefault(it => it.Name == result!.Name);
-            if (group == null) throw new Exception("");
-            return new Group { ID = group.ID, Name = name1 };
+            return _repositoryGroupImpl.UpdateGroupById(int.Parse(id), name);
         }
-        public GroupLocalEntity AddGroup(String name, string id)
+
+        public bool AddGroup(string name, string id)
         {
             return _repositoryGroupImpl.AddGroup(name, id);
         }
+
+        public Group GetGroupById(int id)
+        {
+            var group = _repositoryGroupImpl.GetGroupById(id);
+            if (group == null) return null;
+            return new Group { ID = group.ID, Name = group.Name };
         }
 
+        public bool RemoveGroupById(int id)
+        {
+            return _repositoryGroupImpl.RemoveGroupById(id);
+        }
+    }
 }

123/Domain/UseCase/PresenceUseCase.cs

@@ -0,0 +1,107 @@
+using _123.Data.LocalData.Entity;
+using _123.Data.ReportsHistory;
+using _123.Data.Repository;
+using _123.Domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Domain.UseCase
+{
+    public class PresenceUseCase
+    {
+        private readonly IPresenceRepository _presenceRepositoryImpl;
+        private readonly IGroupRepository _groupRepositoryImpl;
+        private readonly IUserRepository _userRepositoryImpl;
+        public List<Presence> GetPresenceByGroup(int groupId)
+        {
+            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
+
+            var presenceByGroup = _presenceRepositoryImpl.GetPresenceByGroup(groupId)
+            .Where(x => users.Any(user => user.UserID == x.UserID))
+            .Select(presence => new Presence
+            {
+                User = new User
+                {
+                    UserID = presence.UserID,
+                    UserGroup = new Group
+                    {
+                        ID = groupId,
+                        Name = _groupRepositoryImpl.GetAllGroup().First(group => group.ID == groupId).Name
+                    },
+                    UserFIO = users.First(user => user.UserID == presence.UserID).UserFIO,
+                },
+                ClassNum = presence.LessonNumber,
+                Date = presence.Date,
+                IsAttedance = presence.IsAttedance,
+            }).ToList();
+            return (List<Presence>)presenceByGroup;
+        }
+        public List<Presence> GetPresenceByGroupAndDate(int groupId, DateOnly date)
+        {
+            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
+
+            var presenceByGroup = _presenceRepositoryImpl.GetPresenceByGroup(groupId)
+            .Where(x => users.Any(user => user.UserID == x.UserID && x.Date == date))
+            .Select(presence => new Presence
+            {
+                User = new User
+                {
+                    UserID = presence.UserID,
+                    UserGroup = new Group
+                    {
+                        ID = groupId,
+                        Name = _groupRepositoryImpl.GetAllGroup().First(group => group.ID == groupId).Name
+                    },
+                    UserFIO = users.First(user => user.UserID == presence.UserID).UserFIO,
+                },
+                ClassNum = presence.LessonNumber,
+                Date = presence.Date,
+                IsAttedance = presence.IsAttedance,
+            }).ToList();
+            return presenceByGroup;
+        }
+        public bool UnCheckAttendance(int firstClass, int lastClass, DateOnly date, int userID)
+        {
+            return _presenceRepositoryImpl.UnCheckAttendence(firstClass, lastClass, date, userID);
+        }
+
+        public Dictionary<string, int> GetPresenceStatsByGroup(int groupId)
+        {
+            var stats = new Dictionary<string, int>();
+
+            // Получаем всех студентов группы
+            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
+            stats["Количество студентов"] = users.Count;
+
+            // Получаем все записи посещаемости для группы
+            var presences = _presenceRepositoryImpl.GetPresenceByGroup(groupId);
+
+            // Считаем количество уникальных занятий
+            var uniqueLessons = presences
+                .Select(p => new { p.Date, p.LessonNumber })
+                .Distinct()
+                .Count();
+            stats["Количество занятий"] = uniqueLessons;
+
+            // Считаем общую посещаемость
+            var totalAttendances = presences.Count(p => p.IsAttedance);
+            var totalPossibleAttendances = users.Count * uniqueLessons;
+
+            if (totalPossibleAttendances > 0)
+            {
+                var attendancePercentage = (totalAttendances * 100) / totalPossibleAttendances;
+                stats["Процент посещаемости"] = attendancePercentage;
+            }
+            else
+            {
+                stats["Процент посещаемости"] = 0;
+            }
+
+            return stats;
+        }
+    }
+}

123/Domain/UseCase/UseCaseGeneratePresence.cs

@@ -0,0 +1,67 @@
+using _123.Data.LocalData.Entity;
+using _123.Data.ReportsHistory;
+using _123.Data.Repository;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.Domain.UseCase
+{
+    public class UseCaseGeneratePresence
+    {
+        private readonly PresenceRepositoryImpl _presenceRepositoryImpl;
+        private readonly GroupRepositoryImpl _groupRepositoryImpl;
+        private readonly UserRepositoryImpl _userRepositoryImpl;
+
+        public UseCaseGeneratePresence(PresenceRepositoryImpl repositoryImpl,
+                                UserRepositoryImpl userRepositoryImpl,
+                                GroupRepositoryImpl groupRepositoryImpl)
+        {
+            _presenceRepositoryImpl = repositoryImpl;
+            _userRepositoryImpl = userRepositoryImpl;
+            _groupRepositoryImpl = groupRepositoryImpl;
+        }
+
+        public void AddPrecence(int firstClass, int lastClass, int groupId, DateOnly date)
+        {
+            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
+            List<PresenceLocalEntity> presence = new List<PresenceLocalEntity>();
+            for (int i = firstClass; i < lastClass; i++)
+            {
+                foreach (var user in users)
+                {
+                    PresenceLocalEntity pres = new PresenceLocalEntity { LessonNumber = i, UserID = user.UserID, Date = date };
+                }
+            }
+        }
+
+        public void AddPresenceForWeek(int firstClass, int lastClass, int groupId, DateOnly startDate)
+        {
+            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
+            List<PresenceLocalEntity> presence = new List<PresenceLocalEntity>();
+
+            for (int dayOffset = 0; dayOffset < 7; dayOffset++)
+            {
+                DateOnly date = startDate.AddDays(dayOffset);
+
+                for (int i = firstClass; i < lastClass; i++)
+                {
+                    foreach (var user in users)
+                    {
+                        PresenceLocalEntity pres = new PresenceLocalEntity
+                        {
+                            LessonNumber = i,
+                            UserID = user.UserID,
+                            Date = date
+                        };
+                        presence.Add(pres);
+                    }
+                }
+            }
+        }
+    }
+    
+
+}

123/Domain/UseCase/UserUseCase.cs

@@ -1,5 +1,7 @@
 using _123.Data.LocalData.Entity;
+using _123.Data.RemoteData.RemoteDatabase.DAO;
 using _123.Data.ReportsHistory;
+using _123.Data.Repository;
 using _123.Domain.Models;
 using System;
 using System.Collections.Generic;
@@ -11,54 +13,68 @@ namespace _123.Domain.UseCase
 {
     public class UserUseCase
     {
-        private UserRepositoryImpl _repositoryUserImpl;
-        private GroupRepositoryImpl _repositoryGroupImpl;
+        private readonly IUserRepository _repositoryUserImpl;
+        private readonly IGroupRepository _repositoryGroupImpl;
 
-        public UserUseCase(UserRepositoryImpl repositoryImpl, GroupRepositoryImpl repositoryGroupImpl)
+        public UserUseCase(IUserRepository repositoryImpl, IGroupRepository repositoryGroupImpl)
         {
             _repositoryUserImpl = repositoryImpl;
             _repositoryGroupImpl = repositoryGroupImpl;
         }
 
-        public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroups()
+        public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroup()
               .Select(it => new Group { ID = it.ID, Name = it.Name }).ToList();
-        public List<User> GetAllUsers() => _repositoryUserImpl.GetAllUsers
-              .Join(_repositoryGroupImpl.GetAllGroups(),
+
+        public List<User> GetAllUsers() => _repositoryUserImpl.GetAllUser()
+              .Join(_repositoryGroupImpl.GetAllGroup(),
               user => user.GroupID,
               group => group.ID,
               (user, group) =>
               new User
               {
                   UserFIO = user.UserFIO,
-                  UserGuid = user.UserGuid,
+                  UserID = user.UserID,
                   UserGroup = new Group { ID = group.ID, Name = group.Name }
               }
             ).ToList();
 
-        public bool RemoveUserByGuid(Guid userGuid)
+        public bool RemoveUserByGuid(int userId)
         {
-            return _repositoryUserImpl.RemoveUserByGuid(userGuid);
+            return _repositoryUserImpl.RemoveUserById(userId);
         }
+
         public User UpdateUser(User user)
         {
-            UserLocalEntity userLocalEnity = new UserLocalEntity { UserFIO = user.UserFIO, GroupID = user.UserGroup.ID, UserGuid = user.UserGuid };
-            UserLocalEntity? result = _repositoryUserImpl.UpdateUser(userLocalEnity);
-            if (result == null) throw new Exception("");
-            Group? group = GetAllGroups().FirstOrDefault(it => it.ID == result!.GroupID);
-            if (group == null) throw new Exception("");
-            return new User { UserFIO = user.UserFIO, UserGuid = user.UserGuid, UserGroup = group };
+            UserDao userDao = new UserDao { 
+                UserFIO = user.UserFIO, 
+                GroupID = user.UserGroup.ID, 
+                UserID = user.UserID 
+            };
+            UserDao? result = _repositoryUserImpl.UpdateUser(userDao);
+            if (result == null) throw new Exception("Не удалось обновить пользователя");
+            Group? group = GetAllGroups().FirstOrDefault(it => it.ID == result.GroupID);
+            if (group == null) throw new Exception("Группа не найдена");
+            return new User { UserFIO = user.UserFIO, UserID = user.UserID, UserGroup = group };
         }
-        public UserLocalEntity FindUserByGuid(Guid userGuid)
+
+        public User FindUserByGuid(int userId)
         {
-            return _repositoryUserImpl.FindUserByGuid(userGuid);
+            var userDao = _repositoryUserImpl.FindUserById(userId);
+            return new User 
+            { 
+                UserID = userDao.UserID,
+                UserFIO = userDao.UserFIO,
+                UserGroup = GetAllGroups().FirstOrDefault(g => g.ID == userDao.GroupID)
+            };
         }
-        public UserLocalEntity UpdateUserByGuid(Guid userGuid, String name, String gro)
+
+        public UserDao UpdateUserByGuid(int userId, string name, string groupId)
         {
-            UserLocalEntity? result = _repositoryUserImpl.UpdateUserByGuid(userGuid);
-            if (result == null) throw new Exception("");
-            Group? group = GetAllGroups().FirstOrDefault(it => it.ID == int.Parse(gro));
-            if (group == null) throw new Exception("");
-            return new UserLocalEntity { UserFIO = name, GroupID = int.Parse(gro), UserGuid = userGuid};
+            UserDao? result = _repositoryUserImpl.UpdateUserById(userId);
+            if (result == null) throw new Exception("Пользователь не найден");
+            Group? group = GetAllGroups().FirstOrDefault(it => it.ID == int.Parse(groupId));
+            if (group == null) throw new Exception("Группа не найдена");
+            return new UserDao { UserFIO = name, GroupID = int.Parse(groupId), UserID = userId };
         }
     }
 }

123/Program.cs

@@ -1,10 +1,22 @@
-using _123.Data.ReportsHistory;
+using _123.Data.RemoteData.RemoteDatabase;
+using _123.Data.ReportsHistory;
+using _123.Data.Repository;
 using _123.Domain.UseCase;
 using _123.UI;
+using Microsoft.Extensions.DependencyInjection;
+using System.Text.RegularExpressions;
 
-GroupRepositoryImpl groupRepositoryImpl = new GroupRepositoryImpl();
-UserRepositoryImpl userRepositoryImpl = new UserRepositoryImpl();
-UserUseCase userUseCase = new UserUseCase(userRepositoryImpl, groupRepositoryImpl);
-GroupUseCase groupUseCase = new GroupUseCase(groupRepositoryImpl);
+IServiceCollection services = new ServiceCollection();
+services
+    .AddSingleton<UserUseCase>()
+    .AddSingleton<GroupUseCase>()
+    .AddSingleton<PresenceUseCase>()
+    .AddSingleton<MainMenuUI>()
+    .AddDbContext<RemoteDatabaseContext>()
+    .AddSingleton<IPresenceRepository, SQLPresenceRepositoryImpl>()
+    .AddSingleton<IUserRepository, SQLUserRepositoryImpl>()
+    .AddSingleton<IGroupRepository, SQLGroupRepositoryImpl>();
+var serviceProvider = services.BuildServiceProvider ();
+
+var mainMenuUI = serviceProvider.GetRequiredService<MainMenuUI>();
 
-MainMenuUI mainMenuUI = new MainMenuUI(userUseCase, groupUseCase);

123/UI/GroupConsole.cs

@@ -28,20 +28,13 @@ namespace _123.UI
         {
             StringBuilder groupOutput = new StringBuilder();
             var group = _groupUseCase.UpdateGroupName(name,name1);
-            {
-                groupOutput.AppendLine($"{group.Name}\t{group.ID}");
-            }
-            Console.WriteLine(groupOutput);
         }
         public void AddGroup (String name, String id)
         {
-            StringBuilder groupOutput = new StringBuilder();
-            var group = _groupUseCase.AddGroup(name,id);
-            {
-                groupOutput.AppendLine($"{group.Name}\t{group.ID}");
-            }
-            Console.WriteLine(groupOutput);
+            string output = _groupUseCase.AddGroup(name , id) ? "Группа добавлена" : "Группа не добавлена";
+            Console.WriteLine(output);
         }
         
+        
     }
 }

123/UI/MainMenu.cs

@@ -14,10 +14,13 @@ namespace _123.UI
 
         GroupConsoleUI _groupConsoleUI;
 
-        public MainMenuUI(UserUseCase userUseCase, GroupUseCase groupUseCase)
+        PresenceConsoleUI _presenceConsoleUI;
+
+        public MainMenuUI(UserUseCase userUseCase, GroupUseCase groupUseCase, PresenceUseCase  presenceUseCase)
         {
             _userConsoleUI = new UserConsoleUI(userUseCase);
             _groupConsoleUI = new GroupConsoleUI(groupUseCase);
+            _presenceConsoleUI = new PresenceConsoleUI(presenceUseCase);
 
             DisplayMenu();
 
@@ -30,12 +33,17 @@ namespace _123.UI
                 switch (Console.ReadLine())
                 {
                     case "1": _userConsoleUI.DisplayAllUsers(); break;
-                    case "2": _userConsoleUI.RemoveUserByGuid(Guid.Parse(Console.ReadLine())); break;
+                    case "2": _userConsoleUI.RemoveUserById(int.Parse(Console.ReadLine())); break;
                     case "3": _groupConsoleUI.DisplayAllGroups(); break;
-                    case "4": _userConsoleUI.FindUserByGuid(Guid.Parse(Console.ReadLine()));break;
-                    case "5": _userConsoleUI.UpdateUserByGuid(Guid.Parse(Console.ReadLine()),Console.ReadLine(), Console.ReadLine()); break;
-                    case "6": _groupConsoleUI.UpdateGroupName(Console.ReadLine(),Console.ReadLine());  break;
-                    case "7": _groupConsoleUI.AddGroup(Console.ReadLine(), Console.ReadLine());break;
+                    case "4": _userConsoleUI.FindUserById(int.Parse(Console.ReadLine())); break;
+                    case "5": _userConsoleUI.UpdateUserById(int.Parse(Console.ReadLine()), Console.ReadLine(), Console.ReadLine()); break;
+                    case "6": _groupConsoleUI.UpdateGroupName(Console.ReadLine(), Console.ReadLine()); break;
+                    case "7": _groupConsoleUI.AddGroup(Console.ReadLine(), Console.ReadLine()); break;
+                    case "8": _presenceConsoleUI.GetPresenceByGroup(int.Parse(Console.ReadLine())); break;
+                    case "9": _presenceConsoleUI.GetPresenceByGroupAndDAte(int.Parse(Console.ReadLine()), DateOnly.Parse(Console.ReadLine())); break;
+                    case "10": _presenceConsoleUI.UnCheckAttendence(int.Parse(Console.ReadLine()), int.Parse(Console.ReadLine()), DateOnly.Parse(Console.ReadLine()), int.Parse(Console.ReadLine())); break;
+                    case "11": _presenceConsoleUI.AddPresence(int.Parse(Console.ReadLine()), int.Parse(Console.ReadLine()), int.Parse(Console.ReadLine()), DateOnly.Parse(Console.ReadLine())); break;
+
                     default:
                         DisplayMenu();
                         break;

123/UI/PresenceConsole.cs

@@ -0,0 +1,100 @@
+using _123.Domain.UseCase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _123.UI
+{
+    public class PresenceConsoleUI
+    {
+        PresenceUseCase _presenceUseCase;
+        UseCaseGeneratePresence _useCaseGeneratePresence;
+        private PresenceUseCase presenceUseCase;
+
+        public PresenceConsoleUI(PresenceUseCase presenceUseCase, UseCaseGeneratePresence useCaseGeneratePresence)
+        {
+            _presenceUseCase = presenceUseCase;
+            _useCaseGeneratePresence = useCaseGeneratePresence;
+        }
+
+        public PresenceConsoleUI(PresenceUseCase presenceUseCase)
+        {
+            this.presenceUseCase = presenceUseCase;
+        }
+
+        public void GetPresenceByGroup(int groupId)
+        {
+            StringBuilder presenceOutput = new StringBuilder();
+            var presence = _presenceUseCase.GetPresenceByGroup(groupId);
+            foreach (var p in presence)
+            {
+                presenceOutput.AppendLine($"{p.ClassNum}\t{p.User}\t{p.Date}");
+            }
+            Console.WriteLine(presenceOutput);
+        }
+
+        public void GetPresenceByGroupAndDAte(int groupId, DateOnly date)
+        {
+            StringBuilder presenceOutput = new StringBuilder();
+            var presence = _presenceUseCase.GetPresenceByGroupAndDate(groupId, date);
+            foreach (var p in presence)
+            {
+                presenceOutput.AppendLine($"{p.ClassNum}\t{p.User}\t{p.Date}");
+            }
+            Console.WriteLine(presenceOutput);
+        }
+
+        public void UnCheckAttendence(int firstClass, int lastClass, DateOnly date, int userId)
+        {
+            var result = _presenceUseCase.UnCheckAttendance(firstClass, lastClass, date, userId);
+            Console.WriteLine(result ? "Посещаемость успешно обновлена" : "Ошибка при обновлении посещаемости");
+        }
+
+        public void AddPresence(int firstClass, int lastClass, int groupId, DateOnly date)
+        {
+            try
+            {
+                _useCaseGeneratePresence.AddPrecence(firstClass, lastClass, groupId, date);
+                Console.WriteLine("Посещаемость успешно добавлена");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Ошибка при добавлении посещаемости: {ex.Message}");
+            }
+        }
+        public void GetPresenceStatsByGroup(int groupId)
+        {
+            var stats = _presenceUseCase.GetPresenceStatsByGroup(groupId);
+            StringBuilder output = new StringBuilder();
+
+            output.AppendLine($"Информация о группе {groupId}:");
+            output.AppendLine($"Количество студентов: {stats["Количество студентов"]}");
+            output.AppendLine($"Количество занятий: {stats["Количество занятий"]}");
+            output.AppendLine($"Общий процент посещаемости: {stats["Процент посещаемости"]}%");
+            output.AppendLine("\nСтатистика по студентам:");
+
+            var presence = _presenceUseCase.GetPresenceByGroup(groupId);
+            var students = presence.GroupBy(p => p.User)
+                                 .Select(g => new {
+                                     Student = g.Key,
+                                     Total = stats["Количество занятий"],
+                                     Attended = g.Count(p => p.IsAttedance),
+                                     Missed = stats["Количество занятий"] - g.Count(p => p.IsAttedance),
+                                     Percentage = (g.Count(p => p.IsAttedance) * 100) / stats["Количество занятий"]
+                                 });
+
+            foreach (var student in students)
+            {
+                output.AppendLine($"\nСтудент: {student.Student.UserFIO}");
+                output.AppendLine($"Посещено занятий: {student.Attended}");
+                output.AppendLine($"Пропущено занятий: {student.Missed}");
+                output.AppendLine($"Процент посещаемости: {student.Percentage}%");
+            }
+
+            Console.WriteLine(output.ToString());
+        }
+    }
+       
+}

123/UI/UserConsole.cs

@@ -17,10 +17,9 @@ namespace _123.UI
             _userUseCase = userUseCase;
         }
 
-        public void RemoveUserByGuid(Guid guidUser)
+        public void RemoveUserById(int userId)
         {
-
-            string output = _userUseCase.RemoveUserByGuid(guidUser) ? "Пользователь удален" : "Пользователь не удален";
+            string output = _userUseCase.RemoveUserByGuid(userId) ? "Пользователь удален" : "Пользователь не удален";
             Console.WriteLine(output);
         }
 
@@ -29,27 +28,43 @@ namespace _123.UI
             StringBuilder userOutput = new StringBuilder();
             foreach (var user in _userUseCase.GetAllUsers())
             {
-                userOutput.AppendLine($"{user.UserGuid}\t{user.UserFIO}\t{user.UserGroup.Name}");
+                userOutput.AppendLine($"{user.UserID}\t{user.UserFIO}\t{user.UserGroup.Name}");
             }
             Console.WriteLine(userOutput);
         }
-        public void FindUserByGuid (Guid guidUser)
+
+        public void FindUserById(int userId)
         {
             StringBuilder userOutput = new StringBuilder();
-            var user = _userUseCase.FindUserByGuid(guidUser);
-            {
-                userOutput.AppendLine($"{user.UserGuid}\t{user.UserFIO}\t{user.GroupID}");
-            }
+            var user = _userUseCase.FindUserByGuid(userId);
+            userOutput.AppendLine($"{user.UserID}\t{user.UserFIO}\t{user.UserGroup}");
             Console.WriteLine(userOutput);
         }
-        public void UpdateUserByGuid(Guid userGuid,String name,String group)
+
+        public void UpdateUserById(int userId, String name, String groupId)
         {
-            StringBuilder userOutput = new StringBuilder();
-            var user = _userUseCase.UpdateUserByGuid(userGuid,name,group);
+            try
             {
-                userOutput.AppendLine($"{user.UserGuid}\t{user.UserFIO}\t{user.GroupID}");
+                var group = _userUseCase.GetAllGroups().FirstOrDefault(g => g.ID == int.Parse(groupId));
+                if (group == null)
+                {
+                    Console.WriteLine("Группа не найдена");
+                    return;
+                }
+
+                var updatedUser = _userUseCase.UpdateUser(new User
+                {
+                    UserID = userId,
+                    UserFIO = name,
+                    UserGroup = group
+                });
+
+                Console.WriteLine($"Пользователь обновлен: {updatedUser.UserID}\t{updatedUser.UserFIO}\t{updatedUser.UserGroup.Name}");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Ошибка при обновлении пользователя: {ex.Message}");
             }
-            Console.WriteLine(userOutput);
         }
     }
 }