feat(user-service): implement user service and update build commands

second-part/hw-03/user-service/Makefile

@@ -1,4 +1,4 @@
-.PHONY: up down build run
+.PHONY: up down build test run
 
 up:
 	docker compose up -d
@@ -7,7 +7,10 @@ down:
 	docker compose down
 
 build:
-	mvn clean package
+	mvn clean package -DskipTests
+
+test:
+	mvn test
 
 run:
 	mvn exec:java

second-part/hw-03/user-service/src/main/java/com/example/Main.java

@@ -5,7 +5,7 @@ import java.util.Scanner;
 public class Main {
 
   public static void main(String[] args) {
-    UserDao userDao = new UserDao();
+    UserService userService = new UserService(new UserDao());
     Scanner scanner = new Scanner(System.in);
 
     try {
@@ -18,10 +18,10 @@ public class Main {
 
         try {
           switch (choice) {
-            case "1" -> createUser(userDao, scanner);
+            case "1" -> createUser(userService, scanner);
-            case "2" -> findUser(userDao, scanner);
+            case "2" -> findUser(userService, scanner);
-            case "3" -> updateUser(userDao, scanner);
+            case "3" -> updateUser(userService, scanner);
-            case "4" -> deleteUser(userDao, scanner);
+            case "4" -> deleteUser(userService, scanner);
             case "0" -> {
               return;
             }
@@ -35,7 +35,7 @@ public class Main {
       }
     } finally {
       scanner.close();
-      userDao.close();
+      userService.close();
     }
   }
 
@@ -48,7 +48,7 @@ public class Main {
     System.out.print("Выберите действие: ");
   }
 
-  private static void createUser(UserDao userDao, Scanner scanner) {
+  private static void createUser(UserService userService, Scanner scanner) {
     User user = new User();
 
     System.out.print("Имя: ");
@@ -60,16 +60,16 @@ public class Main {
     System.out.print("Возраст: ");
     user.setAge(Integer.parseInt(scanner.nextLine()));
 
-    userDao.create(user);
+    userService.create(user);
 
     System.out.println("Пользователь создан: " + user);
   }
 
-  private static void findUser(UserDao userDao, Scanner scanner) {
+  private static void findUser(UserService userService, Scanner scanner) {
     System.out.print("ID пользователя: ");
     Long id = Long.parseLong(scanner.nextLine());
 
-    User user = userDao.findById(id);
+    User user = userService.findById(id);
 
     if (user != null) {
       System.out.println(user);
@@ -78,11 +78,11 @@ public class Main {
     }
   }
 
-  private static void updateUser(UserDao userDao, Scanner scanner) {
+  private static void updateUser(UserService userService, Scanner scanner) {
     System.out.print("ID пользователя: ");
     Long id = Long.parseLong(scanner.nextLine());
 
-    User user = userDao.findById(id);
+    User user = userService.findById(id);
 
     if (user == null) {
       System.out.println("Пользователь не найден.");
@@ -98,16 +98,16 @@ public class Main {
     System.out.print("Новый возраст: ");
     user.setAge(Integer.parseInt(scanner.nextLine()));
 
-    userDao.update(user);
+    userService.update(user);
 
     System.out.println("Пользователь обновлён.");
   }
 
-  private static void deleteUser(UserDao userDao, Scanner scanner) {
+  private static void deleteUser(UserService userService, Scanner scanner) {
     System.out.print("ID пользователя: ");
     Long id = Long.parseLong(scanner.nextLine());
 
-    userDao.deleteById(id);
+    userService.deleteById(id);
 
     System.out.println("Пользователь удалён.");
   }

second-part/hw-03/user-service/src/main/java/com/example/UserDao.java

@@ -11,8 +11,12 @@ public class UserDao {
   private final SessionFactory sessionFactory;
 
   public UserDao() {
-    sessionFactory =
+    this(
-        new Configuration().configure().addAnnotatedClass(User.class).buildSessionFactory();
+        new Configuration().configure().addAnnotatedClass(User.class).buildSessionFactory());
+  }
+
+  public UserDao(SessionFactory sessionFactory) {
+    this.sessionFactory = sessionFactory;
   }
 
   public User create(User user) {

second-part/hw-03/user-service/src/main/java/com/example/UserService.java

@@ -0,0 +1,30 @@
+package com.example;
+
+public class UserService {
+
+  private final UserDao userDao;
+
+  public UserService(UserDao userDao) {
+    this.userDao = userDao;
+  }
+
+  public User create(User user) {
+    return userDao.create(user);
+  }
+
+  public User findById(Long id) {
+    return userDao.findById(id);
+  }
+
+  public User update(User user) {
+    return userDao.update(user);
+  }
+
+  public void deleteById(Long id) {
+    userDao.deleteById(id);
+  }
+
+  public void close() {
+    userDao.close();
+  }
+}