package com.talentcard.server.config;
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import java.util.stream.Collectors;
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import com.talentcard.server.business.admin.DisplayMerchantPolicyAdminController;
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import com.talentcard.server.business.portal.DisplayMerchantPolicyPortalController;
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import com.talentcard.server.common.ApiResponse;
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import com.talentcard.server.common.BusinessException;
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import jakarta.validation.ConstraintViolationException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.core.Ordered;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.http.converter.HttpMessageNotReadableException;
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import org.springframework.validation.BindException;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.MissingServletRequestParameterException;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
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@Order(Ordered.HIGHEST_PRECEDENCE)
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@RestControllerAdvice(assignableTypes = {
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DisplayMerchantPolicyAdminController.class,
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DisplayMerchantPolicyPortalController.class
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})
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public class MerchantDisplayPolicyExceptionHandler {
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private static final Logger log = LoggerFactory.getLogger(MerchantDisplayPolicyExceptionHandler.class);
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private static final int ERROR_CODE = 500;
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@ExceptionHandler(BusinessException.class)
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public ResponseEntity<ApiResponse<Void>> handleBusinessException(BusinessException exception) {
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return error(exception.getMessage());
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}
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@ExceptionHandler(MethodArgumentNotValidException.class)
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public ResponseEntity<ApiResponse<Void>> handleMethodArgumentNotValid(MethodArgumentNotValidException exception) {
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String message = exception.getBindingResult().getFieldErrors().stream()
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.map(error -> error.getDefaultMessage() == null ? error.getField() + "参数不正确" : error.getDefaultMessage())
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.collect(Collectors.joining("；"));
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return error(message);
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}
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@ExceptionHandler(BindException.class)
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public ResponseEntity<ApiResponse<Void>> handleBindException(BindException exception) {
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String message = exception.getBindingResult().getFieldErrors().stream()
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.map(error -> error.getDefaultMessage() == null ? error.getField() + "参数不正确" : error.getDefaultMessage())
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.collect(Collectors.joining("；"));
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return error(message);
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}
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@ExceptionHandler(ConstraintViolationException.class)
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public ResponseEntity<ApiResponse<Void>> handleConstraintViolation(ConstraintViolationException exception) {
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String message = exception.getConstraintViolations().stream()
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.map(violation -> violation.getMessage())
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.collect(Collectors.joining("；"));
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return error(message);
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}
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@ExceptionHandler(MissingServletRequestParameterException.class)
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public ResponseEntity<ApiResponse<Void>> handleMissingRequestParameter(MissingServletRequestParameterException exception) {
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return error("缺少请求参数：" + exception.getParameterName());
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}
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@ExceptionHandler(MethodArgumentTypeMismatchException.class)
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public ResponseEntity<ApiResponse<Void>> handleTypeMismatch(MethodArgumentTypeMismatchException exception) {
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return error("请求参数格式不正确：" + exception.getName());
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}
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@ExceptionHandler(HttpMessageNotReadableException.class)
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public ResponseEntity<ApiResponse<Void>> handleUnreadableMessage(HttpMessageNotReadableException exception) {
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return error("请求内容格式不正确");
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}
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@ExceptionHandler(Exception.class)
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public ResponseEntity<ApiResponse<Void>> handleException(Exception exception) {
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log.error("Merchant display policy request exception", exception);
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return error("服务器内部错误");
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}
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private ResponseEntity<ApiResponse<Void>> error(String message) {
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String safeMessage = message == null || message.isBlank() ? "服务器内部错误" : message;
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
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.body(ApiResponse.failure(ERROR_CODE, safeMessage));
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}
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}
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