first commit (UserUseCase + GroupUseCase)

.gitignore

@@ -0,0 +1,363 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd

Data/LocalData/Entity/Group.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.domain.Models
+{
+    public class GroupLocalEntity
+    {
+        public required int Id { get; set; }
+        public required string Name { get; set; }
+
+    }
+}

Data/LocalData/Entity/Presence.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.domain.Models
+{
+    internal class PresenceLocalEntity
+    {
+        public required Guid UserGuid { get; set; }
+        public bool IsAttedance { get; set; } = true;
+        public required DateOnly Date { get; set; }
+
+        public required int LessonNumber { get; set; }
+    }
+}

Data/LocalData/Entity/User.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.domain.Models
+{
+    public class UserLocalEntity : IEquatable<UserLocalEntity>
+    {
+        public required string FIO { get; set; }
+        public Guid Guid { get; set; }
+
+        public required int GroupID { get; set; }
+
+      
+
+        public bool Equals(UserLocalEntity? other)
+        {
+            if (other == null) return false;
+            return this.Guid.Equals(other.Guid);
+        }
+    }
+}

Data/LocalData/LocalStaticData.cs

@@ -0,0 +1,31 @@
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.NetworkInformation;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.LocalData
+{
+    public static class LocalStaticData
+    {
+        public static List<GroupLocalEntity> groups => new List<GroupLocalEntity>
+        
+        {
+            new GroupLocalEntity{ Id = 1, Name = "ИП1-21" },
+            new GroupLocalEntity{ Id = 2, Name = "ИП1-22" },
+            new GroupLocalEntity{ Id = 3, Name = "ИП1-23" },
+        };
+
+        public static List<UserLocalEntity> users => new List<UserLocalEntity>
+        {
+            new UserLocalEntity{Guid=Guid.Parse("e6b9964d-ea9f-420a-84b9-af9633bbfab9"), FIO = "RandomFio", GroupID = 1 },
+            new UserLocalEntity{Guid=Guid.Parse("8388d931-5bef-41be-a152-78f1aca980ed"), FIO = "RandomFio1", GroupID = 2 },
+            new UserLocalEntity{Guid=Guid.Parse("ed174548-49ed-4503-a902-c970cbf27173"), FIO = "RandomFio2", GroupID = 3 },
+            new UserLocalEntity{Guid=Guid.Parse("614c0a23-5bd5-43ae-b48e-d5750afbc282"), FIO = "RandomFio3", GroupID = 1 },
+            new UserLocalEntity{Guid=Guid.Parse("efcc1473-c116-4244-b3f7-f2341a5c3003"), FIO = "RandomFio4", GroupID = 2 },
+            new UserLocalEntity{Guid=Guid.Parse("60640fb3-ace2-4cad-81d5-a0a58bc2dbbd"), FIO = "RandomFio5", GroupID = 3 },
+        };
+    }
+}

Data/Repository/GroupRepositoryImpl.cs

@@ -0,0 +1,37 @@
+using Demo.Data.LocalData;
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.Repository
+{
+    public class GroupRepositoryImpl
+    {
+        public GroupRepositoryImpl() {
+
+            GetAllGroups = LocalStaticData.groups;
+        }
+        public List<GroupLocalEntity> GetAllGroups
+        { get; set; }
+
+        public GroupLocalEntity? UpdateGroupName(GroupLocalEntity groupUpdateLocalEntity) {
+
+            GroupLocalEntity? groupLocal = GetAllGroups
+                    .Where(x => x.Id == groupUpdateLocalEntity.Id).FirstOrDefault();
+            if (groupLocal == null) return null;
+            groupLocal.Name = groupUpdateLocalEntity.Name;
+            return groupLocal;
+        }
+
+        public GroupLocalEntity? CreateGroup(GroupLocalEntity groupCreateLocalEntity) {
+            
+            if (GetAllGroups.Any(x => x.Id == groupCreateLocalEntity.Id)) return null;
+
+            GetAllGroups.Add(groupCreateLocalEntity);
+            return groupCreateLocalEntity;
+        }
+    }
+}

Data/Repository/UserRepositoryImpl.cs

@@ -0,0 +1,47 @@
+using Demo.Data.LocalData;
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.Repository
+{
+    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.Guid == userGuid).FirstOrDefault();
+            if (userLocal == null) return false;
+
+            return GetAllUsers.Remove(userLocal);
+        }
+
+        public UserLocalEntity? GetUserByGuid(Guid userGuid) {
+            UserLocalEntity? userLocal = GetAllUsers
+                    .Where(x => x.Guid == userGuid).FirstOrDefault();
+            if (userLocal == null) return null;
+
+            return userLocal;
+        }
+
+        public UserLocalEntity? UpdateUser(UserLocalEntity userUpdateLocalEntity) {
+            UserLocalEntity? userLocal = GetAllUsers
+                    .Where(x => x.Guid == userUpdateLocalEntity.Guid).FirstOrDefault();
+            if (userLocal == null) return null;
+            userLocal.FIO = userUpdateLocalEntity.FIO;
+            userLocal.GroupID = userUpdateLocalEntity.GroupID;
+            return userLocal;
+
+        }
+    }
+}

Demo.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Data\RemoteData\" />
+  </ItemGroup>
+
+</Project>

Demo.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Demo", "Demo.csproj", "{539FE1BB-EECB-4E00-B6BD-FE2C55DE276B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{539FE1BB-EECB-4E00-B6BD-FE2C55DE276B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{539FE1BB-EECB-4E00-B6BD-FE2C55DE276B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{539FE1BB-EECB-4E00-B6BD-FE2C55DE276B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{539FE1BB-EECB-4E00-B6BD-FE2C55DE276B}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3680653D-95FD-401F-BC97-5E46E3AE8EA5}
+	EndGlobalSection
+EndGlobal

Domain/Models/Group.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.domain.Models
+{
+    public class Group
+    {
+        public required int Id { get; set; }
+        public required string Name { get; set; }
+    }
+}

Domain/Models/Presence.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.domain.Models
+{
+    public class Presence
+    {
+
+        public required User User { get; set; }
+        public bool IsAttedance { get; set; } = true;
+        public required DateOnly Date { get; set; }
+
+        public required int LessonNumber { get; set; }
+    }
+}

Domain/Models/User.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.domain.Models
+{
+    public class User
+    {
+        public required string FIO { get; set; }
+        public Guid Guid { get; set; }
+
+        public required Group Group { get; set; }
+    }
+}

Domain/UseCase/GroupUseCase.cs

@@ -0,0 +1,44 @@
+using Demo.Data.Repository;
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Domain.UseCase
+{
+    public class GroupUseCase
+    {
+
+        private GroupRepositoryImpl _repositoryGroupImpl;
+        
+        public GroupUseCase(GroupRepositoryImpl repositoryGroupImpl)
+        {
+            _repositoryGroupImpl = repositoryGroupImpl;
+        }
+
+        public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroups
+            .Select(it => new Group { Id  = it.Id, Name = it.Name}).ToList();
+
+        public Group UpdateGroupName(Group group) {
+
+            GroupLocalEntity? groupLocalEntity = new GroupLocalEntity { Id = group.Id, Name = group.Name };
+            GroupLocalEntity? updatedGroupEntity = _repositoryGroupImpl.UpdateGroupName(groupLocalEntity);
+            if (updatedGroupEntity == null) throw new Exception("");
+
+            return new Group { Id = updatedGroupEntity.Id, Name = updatedGroupEntity.Name};
+
+        }
+
+        public Group CreateGroup(Group group) {
+
+            GroupLocalEntity? groupLocalEntity = new GroupLocalEntity { Id = group.Id, Name = group.Name};
+            GroupLocalEntity? createdGroupEntity = _repositoryGroupImpl.CreateGroup(groupLocalEntity);
+
+            if (createdGroupEntity == null) throw new Exception("");
+
+            return new Group { Id = createdGroupEntity.Id, Name = createdGroupEntity.Name};
+        }
+    }
+}

Domain/UseCase/UserUseCase.cs

@@ -0,0 +1,55 @@
+using Demo.Data.Repository;
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Domain.UseCase
+{
+    public class UserUseCase
+    {
+        private UserRepositoryImpl _repositoryUserImpl;
+        private GroupRepositoryImpl _repositoryGroupImpl;
+
+        public UserUseCase(UserRepositoryImpl repositoryImpl, GroupRepositoryImpl repositoryGroupImpl)
+        {
+            _repositoryUserImpl = repositoryImpl;
+            _repositoryGroupImpl = repositoryGroupImpl;
+        }
+
+        public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroups
+            .Select(it => new Group { Id  = it.Id, Name = it.Name}).ToList();
+        public List<User> GetAllUsers() => _repositoryUserImpl.GetAllUsers
+            .Join(_repositoryGroupImpl.GetAllGroups,
+            user => user.GroupID,
+            group => group.Id,
+            (user, group) => 
+            new User { FIO = user.FIO, 
+                Guid = user.Guid, 
+                Group = new Group {Id = group.Id, Name = group.Name } }
+            ).ToList();
+
+        public User GetUserByGuid(Guid userGuid) {
+            UserLocalEntity? userLocalEntity = _repositoryUserImpl.GetUserByGuid(userGuid);
+            if (userLocalEntity == null) throw new Exception("");
+            Group? group = GetAllGroups().FirstOrDefault(it => it.Id == userLocalEntity!.GroupID);
+            if (group == null) throw new Exception("");
+            return new User { FIO = userLocalEntity.FIO, Guid = userLocalEntity.Guid, Group = new Group { Id = group.Id, Name = group.Name }};
+            
+        }
+
+        public bool RemoveUserByGuid(Guid userGuid) {
+            return _repositoryUserImpl.RemoveUserByGuid(userGuid);
+        }
+        public User UpdateUser(User user) {
+            UserLocalEntity userLocalEnity = new UserLocalEntity { FIO = user.FIO, GroupID = user.Group.Id, Guid = user.Guid };
+            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 { FIO = user.FIO, Guid = user.Guid,  Group = group};
+        }   
+    }
+}

Program.cs

@@ -0,0 +1,11 @@
+
+using Demo.Data.Repository;
+using Demo.Domain.UseCase;
+using Demo.UI;
+
+GroupRepositoryImpl groupRepositoryImpl = new GroupRepositoryImpl();
+UserRepositoryImpl userRepositoryImpl = new UserRepositoryImpl();
+UserUseCase userUseCase = new UserUseCase(userRepositoryImpl, groupRepositoryImpl);
+GroupUseCase groupUseCase = new GroupUseCase(groupRepositoryImpl);
+
+MainMenuUI mainMenuUI = new MainMenuUI(userUseCase);

UI/MainMenu.cs

@@ -0,0 +1,37 @@
+using Demo.Domain.UseCase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.UI
+{
+    public class MainMenuUI
+    {
+       
+        UserConsoleUI _userConsoleUI;
+
+        public MainMenuUI(UserUseCase userUseCase) { 
+        _userConsoleUI = new UserConsoleUI(userUseCase);
+            DisplayMenu();
+            
+        }
+
+        private void DisplayMenu() {
+            while (true)
+            {
+                switch (Console.ReadLine())
+                {
+                    case "1": _userConsoleUI.DisplayAllUsers(); break;
+                    case "2": _userConsoleUI.RemoveUserByGuid(Guid.Parse(Console.ReadLine())); break;
+
+                    default: DisplayMenu();
+                        break;
+                }
+
+            }
+        }
+        
+    }
+}

UI/UserConsole.cs

@@ -0,0 +1,33 @@
+using Demo.Domain.UseCase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.UI
+{
+    public class UserConsoleUI
+    {
+        UserUseCase _userUseCase;
+        public UserConsoleUI(UserUseCase userUseCase) {
+            _userUseCase = userUseCase;
+        }
+
+        public void RemoveUserByGuid(Guid guidUser) {
+
+            string output = _userUseCase.RemoveUserByGuid(guidUser) ? "Пользователь удален" : "Пользователь не удален";
+            Console.WriteLine(output);
+        }
+
+        public void DisplayAllUsers()
+        {
+            StringBuilder userOutput = new StringBuilder();
+            foreach (var user in _userUseCase.GetAllUsers())
+            {
+                userOutput.AppendLine($"{user.Guid}\t{user.FIO}\t{user.Group.Name}");
+            }
+            Console.WriteLine(userOutput);
+        }
+    }
+}