fix(admin): prevent false partner commission cap errors

Coerce city maxPartnerCommissionRate to Number so Decimal JSON strings do not break sum checks. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-22 18:03:32 +08:00
parent addfcfb0b1
commit 85f2c156b0
3 changed files with 17 additions and 8 deletions
@@ -92,9 +92,12 @@ function commissionSumError(
  redeemPercent: number,
  maxRate: number,
 ): string | null {
-  const sum = orderPercent / 100 + redeemPercent / 100;
-  if (sum > maxRate + 1e-9) {
-    return `订单佣金与核销佣金合计不得超过 ${(maxRate * 100).toFixed(2)}%（当前 ${(sum * 100).toFixed(2)}%）`;
+  // API 可能把 Prisma Decimal 序列化为字符串；`"0.05" + 1e-9` 会变成字符串拼接导致误判超限
+  const max = Number(maxRate);
+  const sum = Number(orderPercent) / 100 + Number(redeemPercent) / 100;
+  if (!Number.isFinite(max) || !Number.isFinite(sum)) return '佣金比例无效';
+  if (sum > max + 1e-9) {
+    return `订单佣金与核销佣金合计不得超过 ${(max * 100).toFixed(2)}%（当前 ${(sum * 100).toFixed(2)}%）`;
  }
  return null;
 }