From 171017c38c24fa06fee7333ccf955883e393dfab Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Wed, 6 Jan 2021 12:15:32 -0500
Subject: [PATCH] fix: #9130, remove timestamp prefix from thumbnail names in
 API response

---
 src/topics/thumbs.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/topics/thumbs.js b/src/topics/thumbs.js
index a894e12810..d65b99b3c4 100644
--- a/src/topics/thumbs.js
+++ b/src/topics/thumbs.js
@@ -31,12 +31,16 @@ Thumbs.get = async function (tids) {
 		return singular ? null : tids.map(() => []);
 	}
 
+	const hasTimestampPrefix = /^\d+-/;
 	const upload_url = nconf.get('upload_url');
 	const sets = tids.map(tid => `${validator.isUUID(String(tid)) ? 'draft' : 'topic'}:${tid}:thumbs`);
 	const thumbs = await Promise.all(sets.map(set => getThumbs(set)));
 	let response = thumbs.map((thumbSet, idx) => thumbSet.map(thumb => ({
 		id: tids[idx],
-		name: path.basename(thumb),
+		name: (() => {
+			const name = path.basename(thumb);
+			return hasTimestampPrefix.test(name) ? name.slice(14) : name;
+		})(),
 		url: thumb.startsWith('http') ? thumb : path.posix.join(upload_url, thumb),
 	})));