[#1] 회원가입 기능 구현

mitube-app/build.gradle

@@ -1,19 +1,40 @@
 plugins {
     id 'java'
+    id 'org.springframework.boot' version '3.1.7'
+    id 'io.spring.dependency-management' version '1.1.4'
 }
 
 group = 'com.misim'
 version = '0.0.1-SNAPSHOT'
 
+java {
+    sourceCompatibility = '17'
+}
+
+configurations {
+    compileOnly {
+        extendsFrom annotationProcessor
+    }
+}
+
 repositories {
     mavenCentral()
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.9.1')
-    testImplementation 'org.junit.jupiter:junit-jupiter'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
+    implementation 'org.springframework.boot:spring-boot-starter-security'
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+}
+
+tasks.named('bootBuildImage') {
+    builder = 'paketobuildpacks/builder-jammy-base:latest'
 }
 
-test {
+tasks.named('test') {
     useJUnitPlatform()
 }

mitube-app/src/main/java/com/misim/controller/UserController.java

@@ -0,0 +1,81 @@
+package com.misim.controller;
+
+import com.misim.dto.UserDto;
+import com.misim.service.UserService;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.misim.util.HttpStatusResponseEntity.*;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/users/")
+public class UserController {
+
+    private final UserService userService;
+
+    // 유저 정보 등록
+    @PostMapping("signup")
+    public ResponseEntity signupUser(@Valid UserDto userDto, BindingResult result) {
+
+        // @Valid 검증 과정에서 오류가 발견되면, BAD_REQUEST 처리.
+        if (result.hasErrors()) {
+            Map<String, String> errors = new HashMap<>();
+            result.getAllErrors().forEach((error) -> {
+                String fieldName = ((FieldError) error).getField();
+                String message = error.getDefaultMessage();
+                errors.put(fieldName, message);
+            });
+
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(errors);
+        }
+
+        userService.registerUser(userDto);
+
+        return RESPONSE_OK;
+    }
+
+    // 닉네임 중복 확인
+    // url 주소에 nickname이 포함되도 괜찮은지 의문이 생긴다.
+    @PostMapping("signup/{nickname}")
+    public ResponseEntity<HttpStatus> checkNickname(@PathVariable String nickname) {
+
+        if (userService.isDuplicatedNickname(nickname)) {
+            return RESPONSE_CONFLICT;
+        }
+
+        return RESPONSE_OK;
+    }
+
+    /*
+    // 이메일 본인 인증
+    @PostMapping("verify/{email}")
+    public ResponseEntity<HttpStatus> verifyEmail(@PathVariable String email) {
+        if (userService.isDuplicatedEmail(email)) {
+
+        } else {
+
+        }
+    }
+
+    // 약관
+    @GetMapping("term")
+    public ResponseEntity<> showTerm() {
+
+    }
+
+    @PostMapping("term/{nickname}")
+    public ResponseEntity<HttpStatus> saveTerm(@PathVariable String nickname) {
+
+    }
+
+     */
+}

mitube-app/src/main/java/com/misim/dto/UserDto.java

@@ -0,0 +1,27 @@
+package com.misim.dto;
+
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.Pattern;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserDto {
+
+    @NotEmpty
+    @Email(regexp = "^(?=.{1,64}@)[A-Za-z0-9_-]+(\\\\.[A-Za-z0-9_-]+)*@[^-][A-Za-z0-9-]+(\\\\.[A-Za-z0-9-]+)*(\\\\.[A-Za-z]{2,})$")
+    private String email;
+
+    @NotEmpty
+    @Pattern(regexp = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)(?=.*[~@#$%^&+=!])(?=\\S+$).{8,15}$")
+    private String password;
+
+    @NotEmpty
+    private String nickname;
+}

mitube-app/src/main/java/com/misim/entity/User.java

@@ -0,0 +1,36 @@
+package com.misim.entity;
+
+import java.time.LocalDateTime;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Table(name = "users")
+@NoArgsConstructor
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String email;
+
+    private String password;
+
+    private String nickname;
+
+    private LocalDateTime createDate;
+
+    private LocalDateTime modifyDate;
+
+    @Builder
+    public User(String email, String password, String nickname) {
+        this.email = email;
+        this.password = password;
+        this.nickname = nickname;
+        this.createDate = LocalDateTime.now();
+        this.modifyDate = LocalDateTime.now();
+    }
+}

mitube-app/src/main/java/com/misim/repository/UserRepository.java

@@ -0,0 +1,14 @@
+package com.misim.repository;
+
+import com.misim.entity.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+
+    boolean existsByEmail(String email);
+
+    boolean existsByNickname(String nickname);
+    User findByNickname(String nickname);
+
+    User findByEmail(String email);
+}

mitube-app/src/main/java/com/misim/service/UserService.java

@@ -0,0 +1,45 @@
+package com.misim.service;
+
+import com.misim.dto.UserDto;
+import com.misim.entity.User;
+import com.misim.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class UserService {
+
+    private final UserRepository userRepository;
+
+    private final BCryptPasswordEncoder passwordEncoder;
+
+    public void registerUser(UserDto userDto) {
+
+        // userDto -> user로 변환하여 db에 저장 (비밀번호 암호화)
+        userRepository.save(User.builder()
+                .nickname(userDto.getNickname())
+                .password(passwordEncoder.encode(userDto.getPassword()))
+                .email(userDto.getEmail())
+                .build());
+    }
+
+    public boolean isDuplicatedEmail(String email) {
+        return userRepository.existsByEmail(email);
+    }
+
+    public boolean isDuplicatedNickname(String nickname) {
+        return userRepository.existsByNickname(nickname);
+    }
+
+    public User findUserByEmail(String email) {
+
+        return userRepository.findByEmail(email);
+    }
+
+    public User findUserByNickname(String nickname) {
+
+        return userRepository.findByNickname(nickname);
+    }
+}

mitube-app/src/main/java/com/misim/util/HttpStatusResponseEntity.java

@@ -0,0 +1,9 @@
+package com.misim.util;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+public class HttpStatusResponseEntity {
+    public static final ResponseEntity<HttpStatus> RESPONSE_OK = ResponseEntity.status(HttpStatus.OK).build();
+    public static final ResponseEntity<HttpStatus> RESPONSE_CONFLICT = ResponseEntity.status(HttpStatus.CONFLICT).build();
+}