конец

News/News/Controller.cs

@@ -0,0 +1,60 @@
+using ConsoleTableExt;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace News
+{
+    internal class Controller
+    {
+        private readonly NewsContext _context;
+
+        public Controller(NewsContext feedContext)
+        {
+            _context = feedContext;
+        }
+
+        public void GetNews()
+        {
+            ConsoleTableBuilder.From(_context.News.Select(x => new { x.NewsId, x.NewsName, x.NewsDate }).ToList())
+                .WithTitle("News")
+                .ExportAndWriteLine();
+        }
+
+        public void GetComments()
+        {
+            ConsoleTableBuilder.From(_context.Comments.Select(x => new { x.UserId, x.NewsId, x.CommentText }).ToList())
+                .WithTitle("Comments")
+                .ExportAndWriteLine();
+        }
+
+        public void GetAuthors()
+        {
+            ConsoleTableBuilder.From(_context.Authors.Select(x => new { x.AuthorId, x.AuthorName}).ToList())
+                .WithTitle("Authors")
+                .ExportAndWriteLine();
+        }
+
+        public void GetUsers()
+        {
+            ConsoleTableBuilder.From(_context.Users.Select(x => new { x.UserId, x.UserName }).ToList())
+                .WithTitle("Users")
+                .ExportAndWriteLine();
+        }
+
+        public void AddUser(User User)
+        {
+            try
+            {
+                _context.Users.Add(User);
+                _context.SaveChanges();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e.InnerException.Message);
+            }
+        }
+    }
+}

News/News/EnterText.txt

@@ -0,0 +1,7 @@
+0 Выход
+1 Получить все новости
+2 Получить все комментарии
+3 Получить всех авторов
+4 Получить всех пользователей
+5 Добавить пользователя
+6 Запустить тестирование всех функций

News/News/Program.cs

@@ -1,2 +1,96 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using ConsoleTableExt;
+using System.Diagnostics;
+
+namespace News
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            string text;
+            using (var sr = new StreamReader("EnterText.txt"))
+            {
+                text = sr.ReadToEnd();
+            }
+
+            using var context = new NewsContext();
+            Controller controller = new(context);
+            string operation = "";
+            do
+            {
+                Console.WriteLine(text);
+                operation = Console.ReadLine() ?? "";
+                switch (operation)
+                {
+                    case "0":
+                        break;
+                    case "1":
+                        controller.GetNews();
+                        break;
+                    case "2":
+                        controller.GetComments();
+                        break;
+                    case "3":
+                        controller.GetAuthors();
+                        break;
+                    case "4":
+                        controller.GetUsers();
+                        break;
+                    case "5":
+                        Console.WriteLine("Введите Имя");
+                        User user = new()
+                        {
+                            UserName = Console.ReadLine(),
+                        };
+                        controller.AddUser(user);
+                        break;
+                    case "6":
+                        Test(controller, context);
+                        break;
+                    default:
+                        Console.WriteLine("Такой операции нет");
+                        break;
+                }
+            } while (operation != "0");
+        }
+        public static void Test(Controller controller, NewsContext context)
+        {
+
+
+
+            var result = new[]
+            {
+                new { Name = "1", timems = MeasureTime(controller.GetNews)},
+                new { Name = "2", timems = MeasureTime(controller.GetComments)},
+                new { Name = "3", timems = MeasureTime(controller.GetAuthors)},
+                new { Name = "4", timems = MeasureTime(() => controller.GetUsers())},
+                new { Name = "5", timems = MeasureTime(() => 
+                {
+                    Random r = new Random();
+                    string name = "";
+                    for (int i = 0; i < 7; i++)
+                        name += (char)r.Next(65, 89);
+                    User user = new() { 
+                        UserName = name[..7], 
+                    }; 
+                    controller.AddUser(user); 
+                })},
+            }.ToList();
+            ConsoleTableBuilder.From(result).ExportAndWriteLine();
+        }
+
+        public static double MeasureTime(Action action, int count = 10)
+        {
+            long sumTime = 0;
+            Stopwatch stopwatch = new();
+            for (int i = 0; i < count; i++)
+            {
+                stopwatch.Start();
+                action.Invoke();
+                stopwatch.Stop();
+                sumTime += stopwatch.ElapsedMilliseconds;
+            }
+            return sumTime / count;
+        }
+    }
+}