From 564f8cd35af80349807e6b0be0d53b28daf44ea3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=9F=E3=81=8F=E3=82=84?= <takuyadayo014@gmail.com>
Date: Sun, 21 Dec 2025 11:07:22 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BA=BA=E3=81=AE=E7=99=BB=E9=8C=B2?=
 =?UTF-8?q?=E3=81=97=E3=81=9F=E3=82=AA=E3=83=96=E3=82=B8=E3=82=A7=E3=82=AF?=
 =?UTF-8?q?=E3=83=88=E3=81=8C=E8=A6=8B=E3=82=8C=E3=81=A6=E3=81=97=E3=81=BE?=
 =?UTF-8?q?=E3=81=86=E5=95=8F=E9=A1=8C=E8=A7=A3=E6=B1=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/src/routes/$roomId/$editId.lazy.tsx | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/frontend/src/routes/$roomId/$editId.lazy.tsx b/frontend/src/routes/$roomId/$editId.lazy.tsx
index b85306b..b108983 100644
--- a/frontend/src/routes/$roomId/$editId.lazy.tsx
+++ b/frontend/src/routes/$roomId/$editId.lazy.tsx
@@ -295,6 +295,22 @@ function RouteComponent() {
   }, [room, calendarItems, selectedDay]);
 
   const handleDayClick = (day: number) => {
+    // 他人の作成したアイテムがある場合はクリックを無効化
+    if (room && calendarItems && user) {
+      const startDate = new Date(room.startAt);
+      const existingItem = calendarItems.find((item) => {
+        const openDate = new Date(item.openDate);
+        const diffTime = openDate.getTime() - startDate.getTime();
+        const diffDays = Math.floor(diffTime / (1000 * 60 * 60 * 24)) + 1;
+        return diffDays === day;
+      });
+
+      if (existingItem && existingItem.userId !== user.id) {
+        console.log("他人のアイテムは編集できません");
+        return;
+      }
+    }
+
     const drawerIndex = day - 1;
     setSelectedDay(day);
     setIsDialogOpen(true);