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package com.example.console; import com.example.models.User; import com.example.service.BookOrderService; import com.example.service.BookService; import com.example.service.UserService; import java.util.Scanner; import java.util.UUID; public class ConsoleCommunication { private final UserService userService = new UserService(); private final BookService bookService = new BookService(); private final BookOrderService bookOrderService = new BookOrderService(); public void mainMenu() { menu(); inputMenuChoice(); } private void inputMenuChoice() { Scanner scanner = new Scanner(System.in); int choice = 0; try { choice = scanner.nextInt(); menuSelectedActions(choice); } catch (Exception ex) { meessage("Incorrect input, please try again."); mainMenu(); } } private void inputUserChoice() { Scanner scanner = new Scanner(System.in); int choice = 0; try { choice = scanner.nextInt(); userSelectedActions(choice); } catch (Exception ex) { meessage("Incorrect input, please try again."); userSelectedMenu(); } } private void menuSelectedActions(int choice) { switch (choice) { case 1: userSelectedMenu(); break; case 2: meessage("switch:\n"); break; case 3: meessage("while:\n"); break; case 0: meessage("Bye!"); break; } } private void userSelectedActions(int choice) { switch (choice) { case 1: getAllUsers(); break; case 2: getUserByUuid(); break; case 3: createNewUser(); break; case 4: meessage("while:\n"); break; case 5: meessage("while:\n"); break; case 0: mainMenu(); break; } } private void getAllUsers() { meessage("You are selected -> Get all users:"); meessage("Users: \n" + userService.getAllUsers().toString()); } private void getUserByUuid() { meessage("You are selected -> Get user by uuid, please provide uuid:"); Scanner scanner = new Scanner(System.in); String uuid = scanner.nextLine(); var found = userService.getUserByUuid(UUID.fromString(uuid)); if (found != null) { meessage("User found: " + found.toString()); } else { meessage("User not found, please, try again."); getUserByUuid(); } } private void createNewUser() { meessage("You are selected -> Create a new user, please information about user:"); Scanner scanner = new Scanner(System.in); meessage("First name:"); var firstName = scanner.nextLine(); meessage("Last name:"); var lastName = scanner.nextLine(); var user = User.builder() .uuid(UUID.randomUUID()) .firstName(firstName) .secondName(lastName) .build(); userService.createOrUpdateUser(user); meessage("User create successfully. Return to user menu"); userMenu(); } private void userSelectedMenu() { userMenu(); inputUserChoice(); } private void bookActions() { } private void menu() { meessage("Hello. Select from 1 to 3 what you want to do:"); meessage("1. Maintain users."); meessage("2. Maintain books."); meessage("3. Maintain book orders."); meessage("0. Exist from program."); } private void userMenu() { meessage("\n You are selected -> Maintain Users, what you want to do:"); meessage("1. Get all users."); meessage("2. Get user by uuid."); meessage("3. Create a new user."); meessage("4. Update user."); meessage("5. Delete user by uuid."); meessage("0. Return to main menu."); } private void meessage(String s) { System.out.println(s); } }
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