package com.doumee.config;
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import com.doumee.core.exception.BusinessException;
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import org.springframework.cloud.gateway.filter.GatewayFilterChain;
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import org.springframework.cloud.gateway.filter.GlobalFilter;
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import org.springframework.core.io.buffer.DataBufferFactory;
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import org.springframework.core.io.buffer.DataBufferUtils;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.server.reactive.ServerHttpResponse;
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import org.springframework.web.server.ServerWebExchange;
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import reactor.core.publisher.Mono;
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import java.nio.charset.StandardCharsets;
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public class GlobalErrorFilter implements GlobalFilter {
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
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return chain.filter(exchange).onErrorResume(throwable -> {
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ServerHttpResponse response = exchange.getResponse();
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response.setStatusCode(HttpStatus.INTERNAL_SERVER_ERROR);
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response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
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String errorMessage = "{\"message\": \"" + throwable.getMessage() + "\"}";
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byte[] bytes = errorMessage.getBytes(StandardCharsets.UTF_8);
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DataBufferFactory bufferFactory = response.bufferFactory();
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response.setStatusCode(HttpStatus.INTERNAL_SERVER_ERROR);
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response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
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return response.writeWith(Mono.just(bufferFactory.wrap(bytes)));
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});
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}
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}
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