From 5321c0aaa36849e6421fc6ddfe63af18b65c5e68 Mon Sep 17 00:00:00 2001
From: user <user@localhost>
Date: Mon, 21 Sep 2026 21:20:02 +0400
Subject: [PATCH] feat(cli): add interactive CRUD menu and resource cleanup

---
 .../src/main/java/com/example/Main.java       | 110 +++++++++++++++++-
 .../src/main/java/com/example/UserDao.java    |   4 +
 2 files changed, 110 insertions(+), 4 deletions(-)

diff --git a/second-part/hw-02/user-service/src/main/java/com/example/Main.java b/second-part/hw-02/user-service/src/main/java/com/example/Main.java
index 890ffaa..d38b1c7 100644
--- a/second-part/hw-02/user-service/src/main/java/com/example/Main.java
+++ b/second-part/hw-02/user-service/src/main/java/com/example/Main.java
@@ -1,17 +1,119 @@
 package com.example;
 
+import java.util.Scanner;
+
 public class Main {
 
   public static void main(String[] args) {
     UserDao userDao = new UserDao();
+    Scanner scanner = new Scanner(System.in);
 
+    try {
+      while (true) {
+        printMenu();
+
+        String choice = scanner.nextLine();
+
+        clearConsole();
+
+        try {
+          switch (choice) {
+            case "1" -> createUser(userDao, scanner);
+            case "2" -> findUser(userDao, scanner);
+            case "3" -> updateUser(userDao, scanner);
+            case "4" -> deleteUser(userDao, scanner);
+            case "0" -> {
+              return;
+            }
+            default -> System.out.println("Неизвестная команда.");
+          }
+        } catch (NumberFormatException e) {
+          System.out.println("Ошибка: введите корректное число.");
+        } catch (RuntimeException e) {
+          System.out.println("Ошибка при работе с базой данных.");
+        }
+      }
+    } finally {
+      scanner.close();
+      userDao.close();
+    }
+  }
+
+  private static void printMenu() {
+    System.out.println("\n1. Создать пользователя");
+    System.out.println("2. Найти пользователя");
+    System.out.println("3. Обновить пользователя");
+    System.out.println("4. Удалить пользователя");
+    System.out.println("0. Выход");
+    System.out.print("Выберите действие: ");
+  }
+
+  private static void createUser(UserDao userDao, Scanner scanner) {
     User user = new User();
-    user.setName("User");
-    user.setEmail("user@example.com");
-    user.setAge(99);
+
+    System.out.print("Имя: ");
+    user.setName(scanner.nextLine());
+
+    System.out.print("Email: ");
+    user.setEmail(scanner.nextLine());
+
+    System.out.print("Возраст: ");
+    user.setAge(Integer.parseInt(scanner.nextLine()));
 
     userDao.create(user);
 
-    System.out.println(user);
+    System.out.println("Пользователь создан: " + user);
+  }
+
+  private static void findUser(UserDao userDao, Scanner scanner) {
+    System.out.print("ID пользователя: ");
+    Long id = Long.parseLong(scanner.nextLine());
+
+    User user = userDao.findById(id);
+
+    if (user != null) {
+      System.out.println(user);
+    } else {
+      System.out.println("Пользователь не найден.");
+    }
+  }
+
+  private static void updateUser(UserDao userDao, Scanner scanner) {
+    System.out.print("ID пользователя: ");
+    Long id = Long.parseLong(scanner.nextLine());
+
+    User user = userDao.findById(id);
+
+    if (user == null) {
+      System.out.println("Пользователь не найден.");
+      return;
+    }
+
+    System.out.print("Новое имя: ");
+    user.setName(scanner.nextLine());
+
+    System.out.print("Новый email: ");
+    user.setEmail(scanner.nextLine());
+
+    System.out.print("Новый возраст: ");
+    user.setAge(Integer.parseInt(scanner.nextLine()));
+
+    userDao.update(user);
+
+    System.out.println("Пользователь обновлён.");
+  }
+
+  private static void deleteUser(UserDao userDao, Scanner scanner) {
+    System.out.print("ID пользователя: ");
+    Long id = Long.parseLong(scanner.nextLine());
+
+    userDao.deleteById(id);
+
+    System.out.println("Пользователь удалён.");
+  }
+
+  private static void clearConsole() {
+    System.out.print("\033[H\033[2J");
+    System.out.flush();
   }
 }
diff --git a/second-part/hw-02/user-service/src/main/java/com/example/UserDao.java b/second-part/hw-02/user-service/src/main/java/com/example/UserDao.java
index e0fd7ac..c50165d 100644
--- a/second-part/hw-02/user-service/src/main/java/com/example/UserDao.java
+++ b/second-part/hw-02/user-service/src/main/java/com/example/UserDao.java
@@ -76,6 +76,10 @@ public class UserDao {
     }
   }
 
+  public void close() {
+    sessionFactory.close();
+  }
+
   private void handleException(Transaction transaction, HibernateException e) {
     if (transaction != null) {
       try {