From f09b21401616b1478a9e1ee0b95243033db4f1a7 Mon Sep 17 00:00:00 2001
From: Josh Perez <60019601+josh-signal@users.noreply.github.com>
Date: Thu, 11 Aug 2022 17:03:56 -0400
Subject: [PATCH] Adjust story duration

---
 ts/util/getStoryDuration.ts | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/ts/util/getStoryDuration.ts b/ts/util/getStoryDuration.ts
index 4084a53a29..02af7f4a24 100644
--- a/ts/util/getStoryDuration.ts
+++ b/ts/util/getStoryDuration.ts
@@ -14,7 +14,6 @@ import { SECOND } from './durations';
 
 const DEFAULT_DURATION = 5 * SECOND;
 const MAX_VIDEO_DURATION = 30 * SECOND;
-const MIN_TEXT_DURATION = 3 * SECOND;
 
 export async function getStoryDuration(
   attachment: AttachmentType
@@ -58,7 +57,7 @@ export async function getStoryDuration(
   }
 
   if (attachment.textAttachment && attachment.textAttachment.text) {
-    // Minimum 3 seconds. +1 second for every 15 characters past the first
+    // Minimum 5 seconds. +1 second for every 15 characters past the first
     // 15 characters (round up).
     // For text stories that include a link, +2 seconds to the playback time.
     const length = count(attachment.textAttachment.text);
@@ -66,7 +65,13 @@ export async function getStoryDuration(
     const linkPreviewSeconds = attachment.textAttachment.preview
       ? 2 * SECOND
       : 0;
-    return MIN_TEXT_DURATION + additionalSeconds + linkPreviewSeconds;
+    return DEFAULT_DURATION + additionalSeconds + linkPreviewSeconds;
+  }
+
+  if (attachment.caption) {
+    const length = count(attachment.caption);
+    const additionalSeconds = (Math.ceil(length / 15) - 1) * SECOND;
+    return DEFAULT_DURATION + additionalSeconds;
   }
 
   return DEFAULT_DURATION;