apply interim config changes on barge in

lib/tasks/cognigy/index.js

@@ -51,7 +51,9 @@ class Cognigy extends Task {
     this.timeoutCount = 0;
     // create a task queue so we can execute our taskss subsequently
     // also executing tasks whenever they come in
+
     this.taskQueue = queue({concurrency: 1, autostart: 1});
+    this.changeConfigTasks = [];
 
     // keep track of turns so we only do gather once per turn
     this.turn = 0;
@@ -77,7 +79,13 @@ class Cognigy extends Task {
     this.taskQueue.push(async(cb) => {
       this.logger.debug('executing task from queue');
       try {
+
         const result = await boundTask();
+        // if this is a config task, remove it from the config task storage,
+        // as we have now executed it
+        if(task.isConfigTask){
+           this.changeConfigTasks.shift();
+        }
         resolver(result);
         cb(result);
       } catch (err) {
@@ -87,6 +95,11 @@ class Cognigy extends Task {
       }
       this.logger.debug('say task executed from queue');
     });
+
+    // if this is a config task, lets also push the config
+    if(task.isConfigTask){
+       this.changeConfigTasks.push(task);
+    }
     if (this.taskQueue.lastPromise) {
       // resolve the previous promise for cleanup
       this.taskQueue.lastPromise.resolve({});
@@ -344,9 +357,11 @@ class Cognigy extends Task {
         case 'setSessionConfig':
           // change session params in the order they come in with the say tasks
           // so we are consistent with the flow logic executed within cognigy
-          this._enqueueTask(async() => {
+          const updateConfigTask = () => {
             if (evt?.data?.config?.session) this.config.update(evt.data.config.session);
-          });
+          };
+          updateConfigTask.isConfigTask = true;
+          this._enqueueTask(updateConfigTask);
           return;
         default:
           break;
@@ -371,6 +386,11 @@ class Cognigy extends Task {
       // clear task queue, resolve the last promise and cleanup;
       this.taskQueue.lastPromise.resolve();
       this.taskQueue.end();
+      while(this.changeConfigTasks.length > 0){
+        // apply all the config tasks FIFO
+        const changeConfigTask = this.changeConfigTasks.shift();
+        changeConfigTask();
+      }
       this.taskQueue.autostart = true;
     }