Feat : 회원가입 API 구현

회원가입 API 구현, SQL문 실행 안됨

Related to: #5

build.gradle

@@ -24,9 +24,10 @@ repositories {
 dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
-    implementation('org.springframework.boot:spring-boot-starter-web')
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    implementation 'mysql:mysql-connector-java'
     implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'io.springfox:springfox-boot-starter:3.0.0'
     implementation 'io.springfox:springfox-swagger-ui:3.0.0'
     compileOnly 'org.projectlombok:lombok'

src/main/java/com/moodstation/springboot/dto/UserCreateRequestDto.java

@@ -0,0 +1,32 @@
+package com.moodstation.springboot.dto;
+
+import com.moodstation.springboot.entity.User;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+
+@Getter
+@NoArgsConstructor
+public class UserCreateRequestDto {
+    BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
+
+    private String email;
+    private String nickname;
+    private String password;
+
+    @Builder
+    public UserCreateRequestDto(String email, String nickname, String password) {
+        this.email = email;
+        this.nickname = nickname;
+        this.password = encoder.encode(password);
+    }
+
+    public User toEntity() {
+        return User.builder()
+                .email(email)
+                .nickname(nickname)
+                .password(password)
+                .build();
+    }
+}

src/main/java/com/moodstation/springboot/dto/UserCreateResponseDto.java

@@ -0,0 +1,18 @@
+package com.moodstation.springboot.dto;
+
+import com.moodstation.springboot.entity.User;
+import lombok.Getter;
+
+@Getter
+public class UserCreateResponseDto {
+
+    private Long id;
+    private String email;
+    private String nickname;
+
+    public UserCreateResponseDto(User entity) {
+        this.id = entity.getId();
+        this.email = entity.getEmail();
+        this.nickname = entity.getNickname();
+    }
+}

src/main/java/com/moodstation/springboot/entity/User.java

@@ -1,9 +1,12 @@
 package com.moodstation.springboot.entity;
 
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.springframework.format.annotation.DateTimeFormat;
 
 import javax.persistence.*;
+import java.time.LocalDateTime;
 
 @Getter
 @NoArgsConstructor
@@ -23,6 +26,20 @@ public class User {
     @Column(nullable = false)
     private String password;
 
-    @Column(nullable = false)
-    private String accesstoken;
+    @Column(name = "created_at")
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private LocalDateTime createdAt;
+
+    @Column(name = "updated_at")
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private LocalDateTime updatedAt;
+
+    @Builder
+    public User(String email, String nickname, String password) {
+        this.email = email;
+        this.nickname = nickname;
+        this.password = password;
+        this.createdAt = LocalDateTime.now();
+        this.updatedAt = LocalDateTime.now();
+    }
 }

src/main/java/com/moodstation/springboot/repository/UserRepository.java

@@ -3,5 +3,13 @@
 import com.moodstation.springboot.entity.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.Optional;
+
 public interface UserRepository extends JpaRepository<User, Long> {
+
+    // 이메일 중복 방지
+    Optional<User> findByEmail(String email);
+
+    // 닉네임 중복 방지
+    Optional<User> findByNickname(String nickname);
 }

src/main/java/com/moodstation/springboot/service/UserService.java

@@ -0,0 +1,21 @@
+package com.moodstation.springboot.service;
+
+import com.moodstation.springboot.dto.UserCreateRequestDto;
+import com.moodstation.springboot.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import javax.transaction.Transactional;
+
+@RequiredArgsConstructor
+@Service
+public class UserService {
+
+    private final UserRepository userRepository;
+
+    // 회원가입
+    @Transactional
+    public Long save(UserCreateRequestDto requestDto) {
+        return userRepository.save(requestDto.toEntity()).getId();
+    }
+}

src/main/java/com/moodstation/springboot/web/UserApiController.java

@@ -0,0 +1,23 @@
+package com.moodstation.springboot.web;
+
+import com.moodstation.springboot.dto.UserCreateRequestDto;
+import com.moodstation.springboot.dto.UserCreateResponseDto;
+import com.moodstation.springboot.entity.User;
+import com.moodstation.springboot.service.UserService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RequiredArgsConstructor
+@RestController
+public class UserApiController {
+
+    private final UserService userService;
+
+    @PostMapping("/api/v1/signup")
+    public Long signup(@RequestBody UserCreateRequestDto requestDto) {
+        return userService.save(requestDto);
+    }
+
+}