package com.canrd.webmagic.common.exception;

import com.canrd.webmagic.common.constant.ServerResult;
import com.canrd.webmagic.common.constant.ServerResultCode;
import org.springframework.core.annotation.Order;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;

import java.util.Optional;

/**
 * 业务异常统一处理类
 *
 * @date 2021/1/11
 */
@ControllerAdvice
@Order(5)
public class BusinessExceptionHandlerAdvice {


    @ExceptionHandler(value = {BusinessException.class})
    @ResponseStatus(value = HttpStatus.OK)
    public ResponseEntity<Object> handleException(BusinessException exception) throws Exception {
        return new ResponseEntity<Object>(handleBusinessException(exception), HttpStatus.OK);
    }

    private ServerResult handleBusinessException(BusinessException exception) {
        Integer code = Optional.ofNullable(exception.getErrorCode()).orElse(ServerResultCode.FAIL.getErrorCode());
        String msg = Optional.ofNullable(exception.getMessage()).orElse(ServerResultCode.FAIL.getErrorDesc());
        Object data = Optional.ofNullable(exception.getData()).orElse(null);
        return ServerResult.fail(data, code, msg);
    }
}