make barge in disableable

lib/tasks/cognigy/speech-config.js

@@ -16,14 +16,23 @@ class SpeechConfig extends Emitter {
     this.update(opts);
   }
 
-  update(session) {
-    // TODO validation of session params?
-    if (session) {
-      this.sessionConfig = lodash.merge(
+  _mergeConfig(changedConfig = {}){
+    const merged = lodash.merge(
         {},
         this.sessionConfig,
         session
       );
+      merged.bargein.enable = changedConfig.bargein?.enable?.length === 0 ? [] : changedConfig.bargein?.enable;
+
+      // should we override hints with empty array or leave it as it is once saved?
+      // merged.recognizer.hints = changedConfig.recognizer?.hints
+
+  }
+
+  update(session) {
+    // TODO validation of session params?
+    if (session) {
+      this.sessionConfig = this._mergeConfig(session);
     }
     this.logger.debug({sessionLevel: this.sessionConfig}, 'SpeechConfig updated');
   }
@@ -49,24 +58,10 @@ class SpeechConfig extends Emitter {
     };
   }
 
-  makeGatherTaskConfig({textPrompt, urlPrompt, turnConfig = {}, dontListenAfterSpeech} = {}) {
+  makeGatherTaskConfig({textPrompt, urlPrompt, turnConfig = {}, listenAfterSpeech} = {}) {
     // we merge from top to bottom deeply so we wil have
     // defaults from session config and then will override them via turn config
-    const opts = lodash.merge(
-      {},
-      this.sessionConfig || {}, // this should not be undefined ever
-      turnConfig
-    );
-
-    /*
-    const nextTurnKeys = Object.keys(this.turnConfig || {});
-    const newKeys = nextTurnKeys.filter((k) => !(k in opts));
-    const bothKeys = nextTurnKeys.filter((k) => k in opts);
-
-    for (const key of newKeys) opts[key] = this.turnConfig[key];
-    for (const key of bothKeys) opts[key] = {...opts[key], ...this.turnConfig[key]};
-
-    */
+    const opts = this._mergeConfig(turnConfig);
 
     this.logger.debug({
       opts,
@@ -126,7 +121,7 @@ class SpeechConfig extends Emitter {
         noInputSpeech,
         noInputUrl
       },
-      listenAfterSpeech: !dontListenAfterSpeech
+      listenAfterSpeech
     };
 
     const final = stripNulls(config);