From 8da1368a0b1be76dcf128e486f197f4a0654f941 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 25 Mar 2025 08:05:59 +0900
Subject: fix(backend): 既存のルームメンバーを改めて招待できないように
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---
 packages/backend/src/core/ChatService.ts | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'packages/backend/src')

diff --git a/packages/backend/src/core/ChatService.ts b/packages/backend/src/core/ChatService.ts
index eece5d0da3..57e33af107 100644
--- a/packages/backend/src/core/ChatService.ts
+++ b/packages/backend/src/core/ChatService.ts
@@ -518,6 +518,10 @@ export class ChatService {
 
 		const room = await this.chatRoomsRepository.findOneByOrFail({ id: roomId, ownerId: inviterId });
 
+		if (await this.isRoomMember(room, inviteeId)) {
+			throw new Error('already member');
+		}
+
 		const existingInvitation = await this.chatRoomInvitationsRepository.findOneBy({ roomId, userId: inviteeId });
 		if (existingInvitation) {
 			throw new Error('already invited');
-- 
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