feat : User init MVC

build.gradle

@@ -18,6 +18,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-jdbc:2.7.3'
+    implementation 'org.projectlombok:lombok:1.18.24'
 
     // https://mvnrepository.com/artifact/org.postgresql/postgresql
     //implementation group: 'org.postgresql', name: 'postgresql', version: '42.5.0'

src/main/java/com/io/realworld/DTO/UserResponse.java

@@ -0,0 +1,12 @@
+package com.io.realworld.DTO;
+
+import javax.validation.constraints.Email;
+
+public class UserResponse {
+
+    private String email;
+    private String token;
+    private String username;
+    private String bio;
+    private String image;
+}

src/main/java/com/io/realworld/DTO/UserSignupRequest.java

@@ -0,0 +1,19 @@
+package com.io.realworld.DTO;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotBlank;
+
+@Getter
+@AllArgsConstructor
+public class UserSignupRequest {
+
+    @NotBlank
+    private String username;
+    @Email
+    private String email;
+    @NotBlank
+    private String password;
+}

src/main/java/com/io/realworld/api/users/UserController.java

@@ -1,13 +1,25 @@
 package com.io.realworld.api.users;
 
+import com.io.realworld.DTO.UserSignupRequest;
+import com.io.realworld.DTO.UserResponse;
+import com.io.realworld.repository.User;
+import com.io.realworld.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import javax.validation.Valid;
+
 @RestController
+@RequestMapping(path = "/api")
 public class UserController {
+    @Autowired
+    private UserService userService;
 
     @PostMapping("/users")
-    public String createUser(){
-        return "hello";
+    public User signup(@Valid @RequestBody UserSignupRequest userSignupRequest){
+        return userService.signup(userSignupRequest);
     }
 }

src/main/java/com/io/realworld/repository/User.java

@@ -0,0 +1,33 @@
+package com.io.realworld.repository;
+
+import lombok.Builder;
+
+import javax.persistence.*;
+
+@Table(name = "users")
+@Entity
+public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String username;
+
+    private String email;
+    private String password;
+
+    @Builder
+    public User(String username, String email, String password){
+        this.username = username;
+        this.email = email;
+        this.password = password;
+    }
+
+    public static User of(String username, String email, String password){
+        return new User(username,email,password);
+    }
+
+    protected User(){
+    }
+
+}

src/main/java/com/io/realworld/repository/UserRepository.java

@@ -0,0 +1,8 @@
+package com.io.realworld.repository;
+
+import org.springframework.data.repository.CrudRepository;
+
+public interface UserRepository extends CrudRepository<User,Long> {
+    User save(User user);
+
+}

src/main/java/com/io/realworld/service/UserService.java

@@ -0,0 +1,21 @@
+package com.io.realworld.service;
+
+import com.io.realworld.DTO.UserSignupRequest;
+import com.io.realworld.DTO.UserResponse;
+import com.io.realworld.repository.User;
+import com.io.realworld.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class UserService {
+
+    @Autowired
+    private UserRepository userRepository;
+
+    public User signup(UserSignupRequest userSignupRequest){
+        System.out.println(userSignupRequest.getUsername());
+        return userRepository.save(User.of(userSignupRequest.getUsername(),
+                userSignupRequest.getEmail(),
+                userSignupRequest.getPassword()));
+    }
+
+}

src/main/resources/application.properties

@@ -2,10 +2,13 @@
 spring.h2.console.enabled=true
 spring.h2.console.path=/h2-console
 spring.datasource.driver-class-name=org.h2.Driver
-spring.datasource.url=jdbc:h2:~/testdb
+spring.datasource.url=jdbc:h2:~/realworldDB
 spring.datasource.username=sa
 spring.datasource.password=
+
 spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
-
+spring.jpa.hibernate.ddl-auto=create
+spring.jpa.properties.hibernate.format_sql=true
+spring.jpq.show-sql=true