feat : global exception하고 response 추가 (#4)

* fix : gradle 설정 수정 #3

* feat : BaseResponse 추가 #3

* feat : Exception 추가 #3

* feat : 기타 개발중이던 파일들 추가 #3

Author: minhyuk2

build.gradle

@@ -18,11 +18,20 @@ repositories {
 }
 
 dependencies {
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
     implementation 'org.springframework.boot:spring-boot-starter-webflux'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-data-mongodb'
+
+    //swagger
+    implementation 'org.springdoc:springdoc-openapi-starter-webflux-ui:2.5.0'
+
     testImplementation 'io.projectreactor:reactor-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
 }
 
 tasks.named('test') {

src/main/java/com/backend/crame/domain/terms/Terms.java

@@ -0,0 +1,16 @@
+package com.backend.crame.domain.terms;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class Terms {
+		private boolean termsOfService;
+		private boolean privacyPolicy;
+		private boolean marketing;
+}

src/main/java/com/backend/crame/domain/user/User.java

@@ -0,0 +1,40 @@
+package com.backend.crame.domain.user;
+
+import org.springframework.data.mongodb.core.mapping.Document;
+import org.springframework.data.mongodb.core.mapping.Field;
+
+import com.backend.crame.domain.terms.Terms;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Document(collection = "user")
+@Getter
+@Builder
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access =  AccessLevel.PROTECTED)
+public class User {
+	@Id
+	private String user_uuid;
+
+	private String wallet_uuid;
+
+	private String email;
+
+	@Field("terms")
+	private Terms terms;
+
+	private Boolean subscribe;
+
+	private String select_model;
+
+}

src/main/java/com/backend/crame/global/config/CorsConfig.java

@@ -0,0 +1,4 @@
+package com.backend.crame.global.config;
+
+public class CorsConfig {
+}

src/main/java/com/backend/crame/global/config/SecurityConfig.java

@@ -0,0 +1,4 @@
+package com.backend.crame.global.config;
+
+public class SecurityConfig {
+}

src/main/java/com/backend/crame/global/exception/BaseException.java

@@ -0,0 +1,14 @@
+package com.backend.crame.global.exception;
+
+public class BaseException extends RuntimeException{
+	private final ErrorCode errorCode;
+
+	public BaseException(ErrorCode errorCode) {
+		super(errorCode.getMessage());
+		this.errorCode = errorCode;
+	}
+
+	public ErrorCode getErrorCode() {
+		return errorCode;
+	}
+}

src/main/java/com/backend/crame/global/exception/ErrorCode.java

@@ -0,0 +1,21 @@
+package com.backend.crame.global.exception;
+
+import org.springframework.http.HttpStatus;
+
+import lombok.Getter;
+
+@Getter
+public enum ErrorCode {
+
+	LOGIN_FAIL(HttpStatus.BAD_REQUEST,"로그인에 오류가 발생하였습니다."),
+	INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR,"서버에 오류가 발생하였습니다.");
+
+	private final HttpStatus code;
+	private final String message;
+
+
+	ErrorCode(HttpStatus code, String message){
+		this.code = code;
+		this.message = message;
+	}
+}

src/main/java/com/backend/crame/global/exception/GlobalExceptionHandler.java

@@ -0,0 +1,50 @@
+package com.backend.crame.global.exception;
+
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.springframework.boot.web.reactive.error.ErrorWebExceptionHandler;
+import org.springframework.core.annotation.Order;
+import org.springframework.core.io.buffer.DataBufferFactory;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Component;
+import org.springframework.web.server.ServerWebExchange;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import lombok.RequiredArgsConstructor;
+import reactor.core.publisher.Mono;
+
+@Component
+@Order(-2)
+@RequiredArgsConstructor
+public class GlobalExceptionHandler  implements ErrorWebExceptionHandler {
+	private final ObjectMapper objectMapper;
+
+	@Override
+	public Mono<Void> handle(ServerWebExchange exchange, Throwable exception) {
+		ErrorCode errorCode = ErrorCode.INTERNAL_SERVER_ERROR;
+		Map<String, Object> response = new HashMap<>();
+
+		if (exception instanceof BaseException baseEx) {
+				errorCode = baseEx.getErrorCode();
+		}
+
+			exchange.getResponse().setStatusCode(errorCode.getCode());
+			exchange.getResponse().getHeaders().setContentType(MediaType.APPLICATION_JSON);
+
+			response.put("code", errorCode.getCode());
+			response.put("message", errorCode.getMessage());
+
+
+		DataBufferFactory bufferFactory = exchange.getResponse().bufferFactory();
+		try {
+			byte[] bytes = objectMapper.writeValueAsBytes(response);
+			return exchange.getResponse().writeWith(Mono.just(bufferFactory.wrap(bytes)));
+		} catch (Exception e) {
+			byte[] fallback = "예외 처리 중 오류가 발생했습니다.".getBytes(StandardCharsets.UTF_8);
+			return exchange.getResponse().writeWith(Mono.just(bufferFactory.wrap(fallback)));
+		}
+	}
+}

src/main/java/com/backend/crame/global/response/BaseResponse.java

@@ -0,0 +1,21 @@
+package com.backend.crame.global.response;
+
+import org.springframework.http.ResponseEntity;
+
+import com.backend.crame.global.response.dto.ResponseDto;
+import com.backend.crame.global.exception.ErrorCode;
+import com.backend.crame.global.response.enums.SuccessCode;
+
+public class BaseResponse {
+
+	public static <T> ResponseEntity<ResponseDto<T>> success(SuccessCode successCode,T data){
+		return ResponseEntity.status(successCode.getCode())
+			.body(new ResponseDto<>(successCode.getCode(),successCode.getMessage(),data));
+	}
+
+	public static ResponseEntity<ResponseDto<Void>> fail(ErrorCode errorCode){
+		return ResponseEntity.status(errorCode.getCode())
+			.body(new ResponseDto<>(errorCode.getCode(), errorCode.getMessage(),null));
+	}
+
+}

src/main/java/com/backend/crame/global/response/dto/ResponseDto.java

@@ -0,0 +1,10 @@
+package com.backend.crame.global.response.dto;
+
+import org.springframework.http.HttpStatus;
+
+public record ResponseDto<T>(
+	HttpStatus code,
+	String message,
+	T result
+) {
+}