feat: 유저 생성 기능 구현 #7

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/api/ControllerExceptionAdvice.java

@@ -0,0 +1,23 @@
+package sopt.org.thirdSeminarAdvancedAssignment.api;
+
+
+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.thirdSeminarAdvancedAssignment.exception.ApiResponseDto;
+import sopt.org.thirdSeminarAdvancedAssignment.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);
+    }
+}

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/api/UserController.java

@@ -0,0 +1,25 @@
+package sopt.org.thirdSeminarAdvancedAssignment.api;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+import sopt.org.thirdSeminarAdvancedAssignment.dto.UserRequestDto;
+import sopt.org.thirdSeminarAdvancedAssignment.dto.UserResponseDto;
+import sopt.org.thirdSeminarAdvancedAssignment.exception.ApiResponseDto;
+import sopt.org.thirdSeminarAdvancedAssignment.exception.SuccessStatus;
+import sopt.org.thirdSeminarAdvancedAssignment.service.UserService;
+
+import javax.validation.Valid;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/user")
+public class UserController {
+    private final UserService userService;
+
+    @PostMapping("/signup")
+    @ResponseStatus(HttpStatus.CREATED)
+    public ApiResponseDto<UserResponseDto> create(@RequestBody @Valid final UserRequestDto userRequestDto) {
+        return ApiResponseDto.success(SuccessStatus.SIGNUP_SUCCESS, userService.insertUser(userRequestDto));
+    }
+}

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/domain/Post.java

@@ -0,0 +1,30 @@
+package sopt.org.thirdSeminarAdvancedAssignment.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Builder
+public class Post {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long postId;
+
+    @Column
+    private String title;
+
+    @Column
+    private int content;
+
+    @ManyToOne
+    @JoinColumn(name = "userId")
+    private User user;
+}

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

@@ -0,0 +1,33 @@
+package sopt.org.thirdSeminarAdvancedAssignment.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Builder
+public class User {
+
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long userId;
+
+    @Column
+    private String username;
+
+    @Column
+    private int age;
+
+    public static User of(String username, int age) {
+        return User.builder()
+                .username(username)
+                .age(age)
+                .build();
+    }
+
+}

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/dto/UserRequestDto.java

@@ -0,0 +1,22 @@
+package sopt.org.thirdSeminarAdvancedAssignment.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Pattern;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@Getter
+public class UserRequestDto {
+
+    @NotBlank
+    @Pattern(regexp = "^[가-힣a-zA-Z]{2,10}$", message = "닉네임 형식에 맞지 않습니다.")
+    private String username;
+
+    private int age;
+}

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/dto/UserResponseDto.java

@@ -0,0 +1,25 @@
+package sopt.org.thirdSeminarAdvancedAssignment.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+public class UserResponseDto {
+
+    private Long userId;
+    private String username;
+    private int age;
+
+    public static UserResponseDto of(Long userId, String username, int age) {
+        return UserResponseDto.builder()
+                .userId(userId)
+                .username(username)
+                .age(age)
+                .build();
+    }
+}

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/exception/ApiResponseDto.java

@@ -0,0 +1,28 @@
+package sopt.org.thirdSeminarAdvancedAssignment.exception;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@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());
+    }
+}

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

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+package sopt.org.thirdSeminarAdvancedAssignment.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;
+}

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

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+package sopt.org.thirdSeminarAdvancedAssignment.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;
+}

thirdSeminarAdvancedAssignment/src/main/java/sopt/org/thirdSeminarAdvancedAssignment/repository/UserRepository.java

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+package sopt.org.thirdSeminarAdvancedAssignment.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import sopt.org.thirdSeminarAdvancedAssignment.domain.User;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+
+}

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

@@ -0,0 +1,25 @@
+package sopt.org.thirdSeminarAdvancedAssignment.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import sopt.org.thirdSeminarAdvancedAssignment.domain.User;
+import sopt.org.thirdSeminarAdvancedAssignment.dto.UserRequestDto;
+import sopt.org.thirdSeminarAdvancedAssignment.dto.UserResponseDto;
+import sopt.org.thirdSeminarAdvancedAssignment.repository.UserRepository;
+
+import javax.transaction.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class UserService {
+
+    private final UserRepository userRepository;
+
+    @Transactional
+    public UserResponseDto insertUser(UserRequestDto userRequestDto) {
+        User user = User.of(userRequestDto.getUsername(), userRequestDto.getAge());
+        User savedUser = userRepository.save(user);
+
+        return UserResponseDto.of(savedUser.getUserId(), user.getUsername(), user.getAge());
+    }
+}

thirdSeminarAdvancedAssignment/src/main/resources/application.yml

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+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: root
+    password: tmdwns0907
+
+  jpa:
+    show-sql: true
+    hibernate:
+      ddl-auto: update
+    properties:
+      hibernate:
+        format_sql: true
+
+logging:
+  level:
+    org:
+      hibernate:
+        type:
+          descriptor:
+            sql: trace