Third seminar

ThirdSeminar/build.gradle

@@ -20,6 +20,9 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'mysql:mysql-connector-java:8.0.33'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/common/advice/ControllerExceptionAdvice.java

@@ -0,0 +1,22 @@
+package sopt.org.ThirdSeminar.common.advice;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import sopt.org.ThirdSeminar.common.dto.ApiResponseDto;
+import sopt.org.ThirdSeminar.exception.ErrorStatus;
+
+@RestControllerAdvice
+public class ControllerExceptionAdvice {
+
+    /*
+     * 400 BAD_REQUEST
+     */
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    protected ApiResponseDto handleMethodArgumentNotValidException(final MethodArgumentNotValidException e) {
+        return ApiResponseDto.error(ErrorStatus.VALIDATION_REQUEST_MISSING_EXCEPTION);
+    }
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/common/dto/ApiResponseDto.java

@@ -0,0 +1,29 @@
+package sopt.org.ThirdSeminar.common.dto;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import sopt.org.ThirdSeminar.exception.ErrorStatus;
+import sopt.org.ThirdSeminar.exception.SuccessStatus;
+
+@Getter
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class ApiResponseDto<T> {
+    private final int code;
+    private final String message;
+    private T data;
+
+    public static ApiResponseDto success(SuccessStatus successStatus) {
+        return new ApiResponseDto<>(successStatus.getHttpStatus().value(), successStatus.getMessage());
+    }
+
+    public static <T> ApiResponseDto<T> success(SuccessStatus successStatus, T data) {
+        return new ApiResponseDto<T>(successStatus.getHttpStatus().value(), successStatus.getMessage(), data);
+    }
+
+    public static ApiResponseDto error(ErrorStatus errorStatus) {
+        return new ApiResponseDto<>(errorStatus.getHttpStatus().value(), errorStatus.getMessage());
+    }
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/controller/UserController.java

@@ -0,0 +1,28 @@
+package sopt.org.ThirdSeminar.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+import sopt.org.ThirdSeminar.common.dto.ApiResponseDto;
+import sopt.org.ThirdSeminar.controller.dto.request.UserRequestDto;
+import sopt.org.ThirdSeminar.controller.dto.response.UserResponseDto;
+import sopt.org.ThirdSeminar.exception.SuccessStatus;
+import sopt.org.ThirdSeminar.service.UserService;
+
+import javax.validation.Valid;
+
+@RestController
+@RequiredArgsConstructor
+public class UserController {
+
+    private final UserService userService;
+
+    @PostMapping("/user/signup")
+    @ResponseStatus(HttpStatus.CREATED)
+    public ApiResponseDto<UserResponseDto> create(@RequestBody @Valid final UserRequestDto request) {
+        return ApiResponseDto.success(SuccessStatus.SIGNUP_SUCCESS, userService.create(request));
+    }
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/controller/dto/request/UserRequestDto.java

@@ -0,0 +1,29 @@
+package sopt.org.ThirdSeminar.controller.dto.request;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Pattern;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class UserRequestDto {
+    @Email(message = "이메일 형식에 맞지 않습니다")
+    @NotNull
+    private String email;
+
+    @NotBlank
+    @Pattern(regexp = "^[가-힣a-zA-Z]{2,10}$", message = "닉네임 형식에 맞지 않습니다.") //정규 표현식, 데이터 검증
+    private String nickname;
+
+    @NotBlank
+    @Pattern(
+            regexp="(?=.*[0-9])(?=.*[a-zA-Z])(?=.*\\W)(?=\\S+$).{8,20}",
+            message = "비밀번호는 영문 대,소문자와 숫자, 특수기호가 적어도 1개 이상씩 포함된 8자 ~ 20자의 비밀번호여야 합니다."
+    )
+    private String password;
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/controller/dto/response/UserResponseDto.java

@@ -0,0 +1,17 @@
+package sopt.org.ThirdSeminar.controller.dto.response;
+
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class UserResponseDto {
+    private Long userId;
+    private String nickname;
+
+    public static UserResponseDto of(Long userId, String nickname) {
+        return new UserResponseDto(userId, nickname);
+    }
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/domain/User.java

@@ -0,0 +1,31 @@
+package sopt.org.ThirdSeminar.domain;
+
+
+import lombok.*;
+
+import javax.persistence.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false)
+    private String nickname;
+
+    @Column(nullable = false)
+    private String email;
+
+    @Column(nullable = false)
+    private String password;
+
+    @Builder
+    public User(String nickname, String email, String password) {
+        this.nickname = nickname;
+        this.email = email;
+        this.password = password;
+    }
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/exception/ErrorStatus.java

@@ -0,0 +1,34 @@
+package sopt.org.ThirdSeminar.exception;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+public enum ErrorStatus {
+    /*
+    BAD_REQUEST
+     */
+    VALIDATION_EXCEPTION(HttpStatus.BAD_REQUEST, "잘못된 요청입니다."),
+    VALIDATION_REQUEST_MISSING_EXCEPTION(HttpStatus.BAD_REQUEST, "요청값이 입력되지 않았습니다."),
+
+
+    /*
+    CONFLICT
+     */
+    CONFLICT_EMAIL_EXCEPTION(HttpStatus.CONFLICT, "이미 등록된 이메일입니다."),
+    CONFLICT_NICKNAME_EXCEPTION(HttpStatus.CONFLICT, "이미 등록된 닉네임입니다."),
+
+    /*
+    SERVER_ERROR
+     */
+    INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "예상치 못한 서버 에러가 발생했습니다."),
+    BAD_GATEWAY_EXCEPTION(HttpStatus.BAD_GATEWAY, "일시적인 에러가 발생하였습니다.\n잠시 후 다시 시도해주세요!"),
+    SERVICE_UNAVAILABLE_EXCEPTION(HttpStatus.SERVICE_UNAVAILABLE, "현재 점검 중입니다.\n잠시 후 다시 시도해주세요!"),
+            ;
+
+    private final HttpStatus httpStatus;
+    private final String message;
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/exception/SuccessStatus.java

@@ -0,0 +1,18 @@
+package sopt.org.ThirdSeminar.exception;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+public enum SuccessStatus {
+    /*
+    user
+     */
+    SIGNUP_SUCCESS(HttpStatus.CREATED, "회원가입이 완료되었습니다."),;
+
+    private final HttpStatus httpStatus;
+    private final String message;
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/infrastructure/UserRepository.java

@@ -0,0 +1,8 @@
+package sopt.org.ThirdSeminar.infrastructure;
+
+import org.springframework.data.repository.Repository;
+import sopt.org.ThirdSeminar.domain.User;
+
+public interface UserRepository extends Repository<User, Long> {
+    void save(User user);
+}

ThirdSeminar/src/main/java/sopt/org/ThirdSeminar/service/UserService.java

@@ -0,0 +1,28 @@
+package sopt.org.ThirdSeminar.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import sopt.org.ThirdSeminar.controller.dto.request.UserRequestDto;
+import sopt.org.ThirdSeminar.controller.dto.response.UserResponseDto;
+import sopt.org.ThirdSeminar.domain.User;
+import sopt.org.ThirdSeminar.infrastructure.UserRepository;
+
+@Service
+@RequiredArgsConstructor
+public class UserService {
+    private final UserRepository userRepository;
+
+    @Transactional
+    public UserResponseDto create(UserRequestDto request) {
+        User user = User.builder()
+                .email(request.getEmail())
+                .nickname(request.getNickname())
+                .password(request.getPassword())
+                .build();
+
+        userRepository.save(user);
+
+        return UserResponseDto.of(user.getId(), user.getNickname());
+    }
+}

ThirdSeminar/src/main/resources/application.yml

@@ -0,0 +1,22 @@
+spring:
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://localhost:3306/sopt_32?useSSL=true&useUnicode=true&serverTimezone=Asia/Seoul
+    username: sopt_server
+    password: 1234
+
+  jpa:
+    show-sql: true
+    hibernate:
+      ddl-auto: create
+    properties:
+      hibernate:
+        format_sql: true
+
+logging:
+  level:
+    org:
+      hibernate:
+        type:
+          descriptor:
+            sql: trace