From 70736bd8f68034b3045a3e7d401d2f1219514ca4 Mon Sep 17 00:00:00 2001
From: chpark <chpark@wace.me>
Date: Thu, 7 May 2026 20:09:16 +0900
Subject: [PATCH] =?UTF-8?q?fix(momo=20orders):=20=ED=83=9D=EB=B0=B0/?=
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증상: + 택배 추가 / + 용차 추가 버튼을 누를 때마다 같은 종류 라인이 새로 생성됨.
변경: 같은 kind 의 라인이 이미 있으면 그 라인의 qty 를 +1, 없으면 신규 추가.

- /m/admin/orders (관리자 거래명세표): 기존 라인 찾아 lines/save 로 qty+1 업데이트
- /m/orders/new (거래처 발주 작성): extras 배열에서 같은 kind 라인의 qty +1

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 src/app/(main)/m/admin/orders/page.tsx | 12 ++++++++++++
 src/app/(main)/m/orders/new/page.tsx   | 19 +++++++++++++------
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/src/app/(main)/m/admin/orders/page.tsx b/src/app/(main)/m/admin/orders/page.tsx
index 0f7f9ec..7477d79 100644
--- a/src/app/(main)/m/admin/orders/page.tsx
+++ b/src/app/(main)/m/admin/orders/page.tsx
@@ -357,6 +357,18 @@ function StatementPreview({
     else Swal.fire({ icon: "error", title: "삭제 실패", text: j.message });
   };
   const addNewExtra = (kind: "DELIVERY" | "CHARTER") => {
+    // 같은 종류 라인이 이미 있으면 새로 만들지 않고 수량 +1
+    const existing = items.find((it) => it.KIND === kind);
+    if (existing) {
+      upsertExtra({
+        objid: existing.OBJID,
+        kind,
+        label: existing.EXTRA_LABEL || existing.ITEM_NAME,
+        unitPrice: Number(existing.UNIT_PRICE),
+        qty: Number(existing.QTY) + 1,
+      });
+      return;
+    }
     const defaults = kind === "DELIVERY"
       ? { unitPrice: 4000, qty: 1, label: "택배비" }
       : { unitPrice: 5000, qty: 1, label: "용차" };
diff --git a/src/app/(main)/m/orders/new/page.tsx b/src/app/(main)/m/orders/new/page.tsx
index a598414..6b66aac 100644
--- a/src/app/(main)/m/orders/new/page.tsx
+++ b/src/app/(main)/m/orders/new/page.tsx
@@ -127,12 +127,19 @@ export default function ItemsBrowse() {
   const removeLine = (objid: string) => setCart((c) => c.filter((x) => x.item.OBJID !== objid));
 
   const addExtra = (kind: "DELIVERY" | "CHARTER") => {
-    const defaultPrice = kind === "DELIVERY" ? DEFAULT_DELIVERY_PRICE : DEFAULT_CHARTER_PRICE;
-    setExtras((p) => [...p, {
-      id: newKey(), kind,
-      unitPrice: defaultPrice, qty: 1,
-      label: kind === "DELIVERY" ? "택배비" : "용차비",
-    }]);
+    // 같은 종류 라인이 이미 있으면 새로 만들지 않고 수량 +1
+    setExtras((p) => {
+      const existing = p.find((e) => e.kind === kind);
+      if (existing) {
+        return p.map((e) => e.id === existing.id ? { ...e, qty: e.qty + 1 } : e);
+      }
+      const defaultPrice = kind === "DELIVERY" ? DEFAULT_DELIVERY_PRICE : DEFAULT_CHARTER_PRICE;
+      return [...p, {
+        id: newKey(), kind,
+        unitPrice: defaultPrice, qty: 1,
+        label: kind === "DELIVERY" ? "택배비" : "용차비",
+      }];
+    });
   };
   const updateExtra = (id: string, field: keyof ExtraLine, value: string | number) => {
     setExtras((p) => p.map((e) => (e.id === id ? { ...e, [field]: value } as ExtraLine : e)));