a bunch of changes

Data/Repository/GroupRepositoryImpl.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
@@ -10,24 +11,69 @@ using Posechaemost.Data.LocalData.Entity;
 
 namespace Posechaemost.Data.Repository
 {
-    public class GroupRepositoryImpl
+    public class GroupRepositoryImpl: IGroupRepository
     {
-        public List<GroupLocalEntity> GetAllGroups() => LocalStaticData.groups;
+
-        public GroupLocalEntity? UpdateGroup(String name) 
+        public bool AddGroup(String name, String id)
         {
-            GroupLocalEntity? groupLocal = GetAllGroups()
+            GroupLocalEntity? groupLocal = GetAllGroups().FirstOrDefault();
-                    .Where(x => x.Name == name).FirstOrDefault();
+            // GroupLocalEntity? group = new GroupLocalEntity();
-            if (groupLocal == null) return null;
             groupLocal.Name = name;
+            groupLocal.Id = int.Parse(id);
+            return true;
+        }
+
+        public List<GroupLocalEntity> GetAllGroup()
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<GroupLocalEntity> GetAllGroups() => LocalStaticData.groups;
+
+        public GroupLocalEntity GetGroupById(int groupID)
+        {
+            GroupLocalEntity groupLocal = GetAllGroups()
+                    .Where(x => x.Id == groupID).FirstOrDefault();
+            if (groupLocal == null) return null;
             return groupLocal;
         }
 
-        public GroupLocalEntity? AddGroup(String name, String id)
+        public bool RemoveGroupById(int groupID)
         {
-            GroupLocalEntity? groupLocal = GetAllGroups().FirstOrDefault();
+            GroupLocalEntity? groupLocal = GetAllGroups()
+                .Where(x => x.Id == groupID).FirstOrDefault();
+            if (groupLocal == null) return false;
+
+            return GetAllGroups().Remove(groupLocal);
+        }
+
+        public bool UpdateGroupById(int groupID, String name)
+        {
+            GroupLocalEntity? groupLocal = GetAllGroups()
+                    .Where(x => x.Id == groupID).FirstOrDefault();
+            if (groupLocal == null) return false;
             groupLocal.Name = name;
-            groupLocal.Id = int.Parse(id);
+            return true;
-            return groupLocal;
         }
     }
 }
+    // {
+    //     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();
+    //         // GroupLocalEntity? group = new GroupLocalEntity(name, id);
+    //         groupLocal.Name = name;
+    //         groupLocal.Id = int.Parse(id);
+    //         return groupLocal;
+    //     }
+    // }

Data/Repository/IGroupRepository.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Posechaemost.Data.LocalData.Entity;
+
+namespace Posechaemost.Data.Repository {
+    public interface IGroupRepository
+    {
+        List<GroupLocalEntity> GetAllGroup();
+        bool RemoveGroupById(int groupID);
+        bool UpdateGroupById(int groupID, String name);
+        GroupLocalEntity GetGroupById(int groupID);
+        bool AddGroup(String name, String id);
+    }
+}

Data/Repository/IUserRepository.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Posechaemost.Data.LocalData.Entity;
+
+namespace Posechaemost.Data.Repository {
+    public interface IUserRepository
+    {
+        List<UserLocalEntity> GetAllUser();
+        bool RemoveUserByGuid(Guid userGuid);
+        UserLocalEntity? GetUserByGuid(Guid userGuid);
+        UserLocalEntity? UpdateUser(UserLocalEntity userUpdateLocalEnity);
+        UserLocalEntity? UpdateUserByGuid(Guid userGuid);
+    }
+}

Data/Repository/UserRepositoryImpl.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Threading.Tasks;
 using Posechaemost.Data.LocalData;
@@ -9,12 +8,18 @@ using Posechaemost.Data.LocalData.Entity;
 
 namespace Posechaemost.Data.Repository
 {
-    public class UserRepositoryImpl
+    public class UserRepositoryImpl: IUserRepository
     {
         public UserRepositoryImpl() {
 
             GetAllUsers = LocalStaticData.users;
         }
+
+        public List<UserLocalEntity> GetAllUser()
+        {
+            throw new NotImplementedException();
+        }
+
         public List<UserLocalEntity> GetAllUsers
         { get; set; }
 

Domain/UseCase/GroupUseCase.cs

@@ -21,14 +21,10 @@ namespace Posechaemost.Domain.UseCase
         public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroups()
             .Select(it => new Group { Id  = it.Id, Name = it.Name}).ToList();        
 
-        public Group UpdateGroupName(String name, String name1) {
+        public bool UpdateGroupName(String id, String name1) {
-            GroupLocalEntity? result = _repositoryGroupImpl.UpdateGroup(name);
+            return _repositoryGroupImpl.UpdateGroupById(int.Parse(id), name1);
-            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};
         }
-        public GroupLocalEntity AddGroup(String name, String id) 
+        public bool AddGroup(String name, String id) 
         {
             return _repositoryGroupImpl.AddGroup(name, id);
         }

Domain/UseCase/UserUseCase.cs

@@ -11,8 +11,9 @@ namespace Posechaemost.Domain.UseCase
 {
     public class UserUseCase
     {
-        private UserRepositoryImpl _repositoryUserImpl;
+        
-        private GroupRepositoryImpl _repositoryGroupImpl;
+        private readonly UserRepositoryImpl _repositoryUserImpl;
+        private readonly IGroupRepository _repositoryGroupImpl;
 
         public UserUseCase(UserRepositoryImpl repositoryImpl, GroupRepositoryImpl repositoryGroupImpl)
         {
@@ -20,10 +21,10 @@ namespace Posechaemost.Domain.UseCase
             _repositoryGroupImpl = repositoryGroupImpl;
         }
 
-      public List<Group> GetAllGroups() => _repositoryGroupImpl.GetAllGroups()
+      private 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(),
+            .Join(_repositoryGroupImpl.GetAllGroup(),
             user => user.GroupID,
             group => group.Id,
             (user, group) => 

Posechaemost.csproj

@@ -7,4 +7,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+  </ItemGroup>
+
 </Project>

Program.cs

@@ -1,10 +1,19 @@
 using Posechaemost.Data.Repository;
 using Posechaemost.Domain.UseCase;
 using Posechaemost.UI;
+using Microsoft.Extensions.DependencyInjection;
+using System.Text.RegularExpressions;
+
+IServiceCollection services = new ServiceCollection();
+
+services
+    .AddSingleton<IGroupRepository, GroupRepositoryImpl>()
+    .AddSingleton<UserUseCase>();
+
+var serviceProvider = services.BuildServiceProvider();
 
 GroupRepositoryImpl groupRepositoryImpl = new GroupRepositoryImpl();
-UserRepositoryImpl userRepositoryImpl = new UserRepositoryImpl();
+UserUseCase userUseCase = serviceProvider.GetService<UserUseCase>();
-UserUseCase userUseCase = new UserUseCase(userRepositoryImpl, groupRepositoryImpl);
 GroupUseCase groupUseCase = new GroupUseCase(groupRepositoryImpl);
 
 MainMenuUI mainMenuUI = new MainMenuUI(userUseCase, groupUseCase);

obj/Debug/net8.0/Posechaemost.AssemblyInfo.cs

@@ -13,10 +13,10 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Posechaemost")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+1305f40f241ce752d3c0a7ec5341b1eafac497d8")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+36a123355e04422229f0afaff5d2c6d503a8419e")]
 [assembly: System.Reflection.AssemblyProductAttribute("Posechaemost")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Posechaemost")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
 
-// Создано классом WriteCodeFragment MSBuild.
+// Generated by the MSBuild WriteCodeFragment class.
 

obj/Debug/net8.0/Posechaemost.AssemblyInfoInputs.cache

@@ -1 +1 @@
-7a59f60438c72dd05578b09f953c9ba9d3343469014f076958deeba098123188
+c78a5718d92cc56f307f18b87610c16cd6bd4adb899ce2e54039bee5d3d6ceb2

obj/Posechaemost.csproj.nuget.dgspec.json

@@ -42,6 +42,12 @@
       "frameworks": {
         "net8.0": {
           "targetAlias": "net8.0",
+          "dependencies": {
+            "Microsoft.Extensions.DependencyInjection": {
+              "target": "Package",
+              "version": "[8.0.1, )"
+            }
+          },
           "imports": [
             "net461",
             "net462",

obj/project.assets.json

@@ -1,11 +1,114 @@
 {
   "version": 3,
   "targets": {
-    "net8.0": {}
+    "net8.0": {
+      "Microsoft.Extensions.DependencyInjection/8.0.1": {
+        "type": "package",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "8.0.2"
+        },
+        "compile": {
+          "lib/net8.0/Microsoft.Extensions.DependencyInjection.dll": {
+            "related": ".xml"
+          }
+        },
+        "runtime": {
+          "lib/net8.0/Microsoft.Extensions.DependencyInjection.dll": {
+            "related": ".xml"
+          }
+        },
+        "build": {
+          "buildTransitive/net6.0/_._": {}
+        }
+      },
+      "Microsoft.Extensions.DependencyInjection.Abstractions/8.0.2": {
+        "type": "package",
+        "compile": {
+          "lib/net8.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll": {
+            "related": ".xml"
+          }
+        },
+        "runtime": {
+          "lib/net8.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll": {
+            "related": ".xml"
+          }
+        },
+        "build": {
+          "buildTransitive/net6.0/_._": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "Microsoft.Extensions.DependencyInjection/8.0.1": {
+      "sha512": "BmANAnR5Xd4Oqw7yQ75xOAYODybZQRzdeNucg7kS5wWKd2PNnMdYtJ2Vciy0QLylRmv42DGl5+AFL9izA6F1Rw==",
+      "type": "package",
+      "path": "microsoft.extensions.dependencyinjection/8.0.1",
+      "files": [
+        ".nupkg.metadata",
+        ".signature.p7s",
+        "Icon.png",
+        "LICENSE.TXT",
+        "PACKAGE.md",
+        "THIRD-PARTY-NOTICES.TXT",
+        "buildTransitive/net461/Microsoft.Extensions.DependencyInjection.targets",
+        "buildTransitive/net462/_._",
+        "buildTransitive/net6.0/_._",
+        "buildTransitive/netcoreapp2.0/Microsoft.Extensions.DependencyInjection.targets",
+        "lib/net462/Microsoft.Extensions.DependencyInjection.dll",
+        "lib/net462/Microsoft.Extensions.DependencyInjection.xml",
+        "lib/net6.0/Microsoft.Extensions.DependencyInjection.dll",
+        "lib/net6.0/Microsoft.Extensions.DependencyInjection.xml",
+        "lib/net7.0/Microsoft.Extensions.DependencyInjection.dll",
+        "lib/net7.0/Microsoft.Extensions.DependencyInjection.xml",
+        "lib/net8.0/Microsoft.Extensions.DependencyInjection.dll",
+        "lib/net8.0/Microsoft.Extensions.DependencyInjection.xml",
+        "lib/netstandard2.0/Microsoft.Extensions.DependencyInjection.dll",
+        "lib/netstandard2.0/Microsoft.Extensions.DependencyInjection.xml",
+        "lib/netstandard2.1/Microsoft.Extensions.DependencyInjection.dll",
+        "lib/netstandard2.1/Microsoft.Extensions.DependencyInjection.xml",
+        "microsoft.extensions.dependencyinjection.8.0.1.nupkg.sha512",
+        "microsoft.extensions.dependencyinjection.nuspec",
+        "useSharedDesignerContext.txt"
+      ]
+    },
+    "Microsoft.Extensions.DependencyInjection.Abstractions/8.0.2": {
+      "sha512": "3iE7UF7MQkCv1cxzCahz+Y/guQbTqieyxyaWKhrRO91itI9cOKO76OHeQDahqG4MmW5umr3CcCvGmK92lWNlbg==",
+      "type": "package",
+      "path": "microsoft.extensions.dependencyinjection.abstractions/8.0.2",
+      "files": [
+        ".nupkg.metadata",
+        ".signature.p7s",
+        "Icon.png",
+        "LICENSE.TXT",
+        "PACKAGE.md",
+        "THIRD-PARTY-NOTICES.TXT",
+        "buildTransitive/net461/Microsoft.Extensions.DependencyInjection.Abstractions.targets",
+        "buildTransitive/net462/_._",
+        "buildTransitive/net6.0/_._",
+        "buildTransitive/netcoreapp2.0/Microsoft.Extensions.DependencyInjection.Abstractions.targets",
+        "lib/net462/Microsoft.Extensions.DependencyInjection.Abstractions.dll",
+        "lib/net462/Microsoft.Extensions.DependencyInjection.Abstractions.xml",
+        "lib/net6.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll",
+        "lib/net6.0/Microsoft.Extensions.DependencyInjection.Abstractions.xml",
+        "lib/net7.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll",
+        "lib/net7.0/Microsoft.Extensions.DependencyInjection.Abstractions.xml",
+        "lib/net8.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll",
+        "lib/net8.0/Microsoft.Extensions.DependencyInjection.Abstractions.xml",
+        "lib/netstandard2.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll",
+        "lib/netstandard2.0/Microsoft.Extensions.DependencyInjection.Abstractions.xml",
+        "lib/netstandard2.1/Microsoft.Extensions.DependencyInjection.Abstractions.dll",
+        "lib/netstandard2.1/Microsoft.Extensions.DependencyInjection.Abstractions.xml",
+        "microsoft.extensions.dependencyinjection.abstractions.8.0.2.nupkg.sha512",
+        "microsoft.extensions.dependencyinjection.abstractions.nuspec",
+        "useSharedDesignerContext.txt"
+      ]
+    }
   },
-  "libraries": {},
   "projectFileDependencyGroups": {
-    "net8.0": []
+    "net8.0": [
+      "Microsoft.Extensions.DependencyInjection >= 8.0.1"
+    ]
   },
   "packageFolders": {
     "/home/gara/.nuget/packages/": {}
@@ -48,6 +151,12 @@
     "frameworks": {
       "net8.0": {
         "targetAlias": "net8.0",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection": {
+            "target": "Package",
+            "version": "[8.0.1, )"
+          }
+        },
         "imports": [
           "net461",
           "net462",

obj/project.nuget.cache

@@ -1,8 +1,11 @@
 {
   "version": 2,
-  "dgSpecHash": "3K0+oSHYQvE=",
+  "dgSpecHash": "JxuWkwCqUKY=",
   "success": true,
   "projectFilePath": "/home/gara/csharp/Posechaemost/Posechaemost.csproj",
-  "expectedPackageFiles": [],
+  "expectedPackageFiles": [
+    "/home/gara/.nuget/packages/microsoft.extensions.dependencyinjection/8.0.1/microsoft.extensions.dependencyinjection.8.0.1.nupkg.sha512",
+    "/home/gara/.nuget/packages/microsoft.extensions.dependencyinjection.abstractions/8.0.2/microsoft.extensions.dependencyinjection.abstractions.8.0.2.nupkg.sha512"
+  ],
   "logs": []
 }