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adjust logic, avoide race condition

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irving
2025-10-18 20:56:55 -04:00
parent b9779e7436
commit d681635394
1 changed files with 4 additions and 5 deletions
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9
play-admin/src/main/java/com/starry/admin/modules/withdraw/service/impl/WithdrawalServiceImpl.java
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@@ -57,13 +57,12 @@ public class WithdrawalServiceImpl extends ServiceImpl<WithdrawalRequestMapper,
throw new CustomException("收款码确认已过期，请重新确认"); throw new CustomException("收款码确认已过期，请重新确认");
} }
BigDecimal available = earningsService.getAvailableAmount(clerkId, now);
if (available.compareTo(amount) < 0) {
throw new CustomException("可提现余额不足");
}
// pick and reserve lines // pick and reserve lines
List<EarningsLineEntity> lines = earningsService.findWithdrawable(clerkId, amount, now); List<EarningsLineEntity> lines = earningsService.findWithdrawable(clerkId, amount, now);
if (lines.isEmpty()) throw new CustomException("可提现余额不足"); if (lines.isEmpty()) {
BigDecimal latestAvailable = earningsService.getAvailableAmount(clerkId, now);
throw new CustomException("可提现余额不足或已被锁定，当前可用：" + latestAvailable);
}
// Reserve lines FIRST with temp ID (fail fast before creating request) // Reserve lines FIRST with temp ID (fail fast before creating request)
String tempWithdrawalId = "TEMP_" + IdUtils.getUuid(); String tempWithdrawalId = "TEMP_" + IdUtils.getUuid();