package com.tourguide.modules.order.payment;
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import com.tourguide.modules.order.entity.TourOrder;
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import java.math.BigDecimal;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.UUID;
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/** 当前未接入真实支付渠道，本地实现仅生成模拟退款流水号。 */
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public class LocalPaymentRefundGateway implements PaymentRefundGateway {
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@Override
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public String refund(TourOrder order, BigDecimal amount) {
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if (order.getPaymentOrderNo() == null || !order.getPaymentOrderNo().startsWith("LOCAL")) {
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throw new IllegalStateException("真实支付退款渠道尚未接入");
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}
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String time = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
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return "LOCALRF" + time + UUID.randomUUID().toString().replace("-", "")
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.substring(0, 6).toUpperCase();
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}
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}
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