From 916512fd4713a0a0cf5c46131cb4b41f174228a5 Mon Sep 17 00:00:00 2001
From: MeiMei <30769358+mei23@users.noreply.github.com>
Date: Mon, 13 Apr 2020 23:58:38 +0900
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* Fix #6252

* quote

* Use IdentifiableError
---
 src/services/note/reaction/delete.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/services/note/reaction/delete.ts b/src/services/note/reaction/delete.ts
index 620856c2d5..09566e07ba 100644
--- a/src/services/note/reaction/delete.ts
+++ b/src/services/note/reaction/delete.ts
@@ -20,7 +20,11 @@ export default async (user: User, note: Note) => {
 	}
 
 	// Delete reaction
-	await NoteReactions.delete(exist.id);
+	const result = await NoteReactions.delete(exist.id);
+
+	if (result.affected !== 1) {
+		throw new IdentifiableError('60527ec9-b4cb-4a88-a6bd-32d3ad26817d', 'not reacted');
+	}
 
 	// Decrement reactions count
 	const sql = `jsonb_set("reactions", '{${exist.reaction}}', (COALESCE("reactions"->>'${exist.reaction}', '0')::int - 1)::text::jsonb)`;