From 6683dbac7ba84cf5299b727443c608ac356e4fcd Mon Sep 17 00:00:00 2001
From: Rory& <root@rory.gay>
Date: Sat, 13 Dec 2025 02:55:25 +0100
Subject: [PATCH] Prevent duplicate instance ban entries

---
 src/api/routes/users/#user_id/delete.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/api/routes/users/#user_id/delete.ts b/src/api/routes/users/#user_id/delete.ts
index a0b93cc02..50494a238 100644
--- a/src/api/routes/users/#user_id/delete.ts
+++ b/src/api/routes/users/#user_id/delete.ts
@@ -62,7 +62,8 @@ router.post(
 			select: [...PrivateUserProjection, "data"],
 		});
 
-		await InstanceBan.create({ user_id: user.id, reason: body?.reason ?? "<legacy instance ban API - no reason specified>" }).save();
+		if (!(await InstanceBan.findOne({ where: { user_id: user.id } })))
+			await InstanceBan.create({ user_id: user.id, reason: body?.reason ?? "<legacy instance ban API - no reason specified>" }).save();
 
 		// prevent bugginess with clients - delete all DMs, only having half of the conversation is quite useless anyhow
 		const dmChannels = await user.getDmChannels();