From b9ef00dfc7454681c52291aa2485356e8e9ba869 Mon Sep 17 00:00:00 2001
From: Hoan Luu Huu <110280845+xquanluu@users.noreply.github.com>
Date: Mon, 30 Sep 2024 18:46:21 +0700
Subject: [PATCH] Fixed Gather digits does not work without nested say/play
 (#914)

* Fixed Gather digits does not work without nested say/play

* fix review comment

* add assert to make sure we don't register dtmf twice in gather verb
---
 lib/tasks/gather.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/tasks/gather.js b/lib/tasks/gather.js
index 1224722a..ee219803 100644
--- a/lib/tasks/gather.js
+++ b/lib/tasks/gather.js
@@ -177,8 +177,10 @@ class TaskGather extends SttTask {
     this._startVad();
 
     const startDtmfListener = () => {
+      assert(!this._dtmfListenerStarted);
       if (this.input.includes('digits') || this.dtmfBargein || this.asrDtmfTerminationDigit) {
         ep.on('dtmf', this._onDtmf.bind(this, cs, ep));
+        this._dtmfListenerStarted = true;
       }
     };
 
@@ -281,7 +283,8 @@ class TaskGather extends SttTask {
         }
       }
 
-      if (this.listenDuringPrompt) {
+      // https://github.com/jambonz/jambonz-feature-server/issues/913
+      if (this.listenDuringPrompt || (!this.sayTask && !this.playTask)) {
         startDtmfListener();
       }