update

Unit-Testing-JPA/test-springboot-blog-rest-api/pom.xml

@@ -61,8 +61,6 @@
 			<version>3.1.2</version>
 		</dependency>
 
-
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

Unit-Testing-JPA/test-springboot-blog-rest-api/src/main/java/com/hoangtien2k3/testspringbootblogrestapi/controller/AuthController.java

@@ -1,6 +1,9 @@
 package com.hoangtien2k3.testspringbootblogrestapi.controller;
 
 import com.hoangtien2k3.testspringbootblogrestapi.dto.LoginDto;
+import com.hoangtien2k3.testspringbootblogrestapi.dto.SignUpDto;
+import com.hoangtien2k3.testspringbootblogrestapi.model.Role;
+import com.hoangtien2k3.testspringbootblogrestapi.model.User;
 import com.hoangtien2k3.testspringbootblogrestapi.repository.RoleRepository;
 import com.hoangtien2k3.testspringbootblogrestapi.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -16,6 +19,8 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.Collections;
+
 @RestController
 @RequestMapping("/api/auth")
 public class AuthController {
@@ -35,12 +40,40 @@ public ResponseEntity<String> authenticateUser(@RequestBody LoginDto loginDto) {
         Authentication authentication = authenticationManager
                 .authenticate(new UsernamePasswordAuthenticationToken(loginDto.getUsernameOrEmail(), loginDto.getPassword()));
 
+        // là một bộ nhớ lưu trữ thông tin xác thực hiện tại cho một luồng (thread)
         SecurityContextHolder.getContext().setAuthentication(authentication);
 
         return new ResponseEntity<>("User signed-in successfully.", HttpStatus.OK);
     }
 
+    @PostMapping("/signup")
+    public ResponseEntity<?> registerUser(@RequestBody SignUpDto signUpDto) {
+
+        // check username exists in a DB
+        if (userRepository.existsByUsername(signUpDto.getUsername())) {
+            return new ResponseEntity<>("Username is already taken", HttpStatus.OK);
+        }
+
+        // check email exists in a DB
+        if (userRepository.existsByEmail(signUpDto.getEmail())) {
+            return new ResponseEntity<>("Username is already taken", HttpStatus.OK);
+        }
+
+        // create user object
+        User user = User.builder()
+                .name(signUpDto.getName())
+                .username(signUpDto.getUsername())
+                .email(signUpDto.getEmail())
+                .password(signUpDto.getPassword())
+                .build();
+
+        Role role = roleRepository.findByName("ROLE_ADMIN").get();
+        user.setRoles(Collections.singleton(role));
+
+        userRepository.save(user);
+
+        return new ResponseEntity<>("User register successfully", HttpStatus.OK);
+    }
 
-
 
 }

Unit-Testing-JPA/test-springboot-blog-rest-api/src/main/java/com/hoangtien2k3/testspringbootblogrestapi/dto/SignUpDto.java

@@ -1,7 +1,9 @@
 package com.hoangtien2k3.testspringbootblogrestapi.dto;
 
+import lombok.Builder;
 import lombok.Data;
 
+@Builder
 @Data
 public class SignUpDto {
     private String name;

Unit-Testing-JPA/test-springboot-blog-rest-api/src/main/java/com/hoangtien2k3/testspringbootblogrestapi/model/Role.java

@@ -1,9 +1,11 @@
 package com.hoangtien2k3.testspringbootblogrestapi.model;
 
 import jakarta.persistence.*;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.Setter;
 
+@Builder
 @Setter
 @Getter
 @Entity

Unit-Testing-JPA/test-springboot-blog-rest-api/src/main/java/com/hoangtien2k3/testspringbootblogrestapi/model/User.java

@@ -1,11 +1,13 @@
 package com.hoangtien2k3.testspringbootblogrestapi.model;
 
 import jakarta.persistence.*;
+import lombok.Builder;
 import lombok.Data;
 
 import java.util.Set;
 
 @Data
+@Builder
 @Entity
 @Table(name = "users", uniqueConstraints = {
         @UniqueConstraint(columnNames = {"username"}),