Lee ji hyung

src/main/java/legacy/CustomerService.java

@@ -1,66 +1,25 @@
 package legacy;
 
-import java.util.ArrayList;
+import legacy.service.UserService;
+import legacy.service.UserServiceImpl;
 
 public class CustomerService {
-    ArrayList<CustomerLegacy> customers = new ArrayList<>();
+    UserService userService = new UserServiceImpl();
 
     public void run() {
-        registerCustomer("101", "홍길동", "ACTIVE");
-        registerCustomer("102", "이순신", "ACTIVE");
-        registerCustomer("103", "강감찬", "ACTIVE");
+        System.out.println("===== 고객 관리 시스템 실행 =====");
 
-        System.out.println("모든 고객 조회:");
-        listCustomers();
+        userService.addUserData("101", "홍길동", "ACTIVE");
+        userService.addUserData("102", "이순신", "ACTIVE");
+        userService.addUserData("103", "강감찬", "ACTIVE");
 
-        updateCustomer("101", "홍길순");
+        userService.getAllUserData();
 
-        deleteCustomer("102");
+        userService.updateUserData("101", "홍길순", "ACTIVE");
 
-        System.out.println("모든 고객 조회:");
-        listCustomers();
-    }
-
-    public void registerCustomer(String id, String name, String status) {
-        CustomerLegacy c = new CustomerLegacy();
-        c.id = id;
-        c.name = name;
-        c.status = status;
-        customers.add(c);
-        System.out.println("고객 등록: " + id + ", " + name + ", " + status);
-    }
-
-    public void updateCustomer(String id, String newName) {
-        for (CustomerLegacy c : customers) {
-            if (c.id.equals(id)) {
-                System.out.print("고객 정보 수정: ");
-                System.out.print("수정 전 - " + c.name);
-                c.name = newName;
-                System.out.println(", 수정 후 - " + c.name);
-                break;
-            }
-        }
-    }
-
-    public void deleteCustomer(String id) {
-        for (int i = 0; i < customers.size(); i++) {
-            if (customers.get(i).id.equals(id)) {
-                customers.remove(i);
-                System.out.println("고객 삭제 완료: " + id);
-                break;
-            }
-        }
-    }
+        userService.deleteUserData("102");
 
-    public void listCustomers() {
-        for (CustomerLegacy c : customers) {
-            System.out.println("ID: " + c.id + ", 이름: " + c.name + ", 상태: " + c.status);
-        }
+        userService.getAllUserData();
     }
 }
 
-class CustomerLegacy {
-    public String id;
-    public String name;
-    public String status;
-}

src/main/java/legacy/repository/UserRepository.java

@@ -0,0 +1,15 @@
+package legacy.repository;
+
+import legacy.vo.User;
+
+import java.util.ArrayList;
+
+public interface UserRepository {
+
+    void addData(User user);
+    void updateData(String id, String name, String status);
+    void deleteData(String id);
+    User getUser(String id);
+    ArrayList<User> getUsers();
+
+}

src/main/java/legacy/repository/UserRepositoryImpl.java

@@ -0,0 +1,72 @@
+package legacy.repository;
+
+import legacy.vo.User;
+
+import java.util.ArrayList;
+
+public class UserRepositoryImpl implements UserRepository {
+    private ArrayList<User> users = new ArrayList<>();
+
+    @Override
+    public void addData(User user) {
+        users.add(user);
+    }
+
+    @Override
+    public void updateData(String id, String name, String status) {
+        for(User data : users){
+            if(data.getId().equals(id)){
+                System.out.print("[INFO] 고객 수정 성공: ");
+                String beforeName = data.getName();
+                String beforeStatus = data.getStatus();
+
+
+                data.setUser(name, status);
+
+                System.out.print("ID: " + data.getId());
+
+                if(!beforeName.equals(name)){
+                    System.out.print(" | 이름: " + beforeName + " -> " + data.getName());
+                }
+                if(!beforeStatus.equals(status)){
+                    System.out.print(" | 상태: " + beforeStatus + " -> " + data.getStatus());
+                }
+                System.out.println();
+                return;
+            }
+        }
+        System.out.println("해당 id의 고객을 찾을 수 없습니다");
+    }
+
+    @Override
+    public void deleteData(String id) {
+        for(User data : users){
+            if(data.getId().equals(id)){
+                System.out.print("[INFO] 고객 삭제 성공: ");
+                System.out.print("ID: " + data.getId() + " | 이름: " + data.getName());
+                System.out.println();
+                users.remove(data);
+
+                return;
+            }
+        }
+        System.out.println("해당 id의 고객을 찾을 수 없습니다");
+    }
+
+    @Override
+    public User getUser(String id) {
+        for (User data : users) {
+            if (data.getId().equals(id)) {
+                return data;
+            }
+        }
+        System.out.println("해당 id의 고객을 찾을 수 없습니다");
+        return null;
+    }
+
+    @Override
+    public ArrayList<User> getUsers() {
+        return users;
+    }
+
+}

src/main/java/legacy/service/UserService.java

@@ -0,0 +1,11 @@
+package legacy.service;
+
+public interface UserService {
+
+
+    void addUserData(String id, String name, String status);
+    void updateUserData(String id, String name, String status);
+    void deleteUserData(String id);
+    void getAllUserData();
+
+}

src/main/java/legacy/service/UserServiceImpl.java

@@ -0,0 +1,42 @@
+package legacy.service;
+
+import legacy.repository.UserRepository;
+import legacy.repository.UserRepositoryImpl;
+import legacy.vo.User;
+
+import java.util.ArrayList;
+
+public class UserServiceImpl implements UserService {
+    UserRepository userRepository = new UserRepositoryImpl();
+
+    @Override
+    public void addUserData(String id, String name, String status) {
+        User user = new User(id, name, status);
+        userRepository.addData(user);
+        System.out.println("[INFO] 고객 등록 성공: " + userRepository.getUser(id).toString());
+    }
+
+    @Override
+    public void updateUserData(String id, String name, String status) {
+        userRepository.updateData(id, name, status);
+    }
+
+    @Override
+    public void deleteUserData(String id) {
+        userRepository.deleteData(id);
+    }
+
+
+    @Override
+    public void getAllUserData() {
+        ArrayList<User> users = userRepository.getUsers();
+        System.out.println("----- 고객 조회 결과 -----");
+        System.out.println("총 고객 수: " + users.size());
+        int i = 0;
+        for (User user : users) {
+            System.out.print(i++ + ". ");
+            System.out.println(user.toString());
+        }
+    }
+
+}

src/main/java/legacy/vo/User.java

@@ -0,0 +1,44 @@
+package legacy.vo;
+
+public class User {
+    private String id;
+    private String name;
+    private String status;
+
+    public User(){}
+
+    public User(String id, String name, String status) {
+        this.id = id;
+        this.name = name;
+        this.status = status;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public void setUser(String name, String status) {
+        this.name = name;
+        this.status = status;
+    }
+
+    @Override
+    public String toString() {
+        String status;
+        if(this.status.equals("ACTIVE")){
+            status = "활성";
+        }
+        else{
+            status = "비활성";
+        }
+        return "ID: " + this.id + ", 이름: " + this.name + ", 상태: " + status;
+    }
+}