beckendless patch

src/be-agent.js

@@ -0,0 +1,24 @@
+const V2Agent = require('./v2-agent');
+const debug = require('debug')('dialogflow:debug');
+
+class BEAgent extends V2Agent {
+    sendResponses_(requestSource) {
+        let responseJson = this.responseJson_;
+        if (!responseJson) {
+          throw new Error(`No responses defined for platform: ${requestSource}`);
+        }
+
+        responseJson.outputContexts = this.agent.context.getV2OutputContextsArray();
+        if (this.agent.followupEvent_) {
+          responseJson.followupEventInput = this.agent.followupEvent_;
+        }
+        if (this.agent.endConversation_) {
+          responseJson.triggerEndOfConversation = this.agent.endConversation_;
+        }
+
+        debug('Response to Dialogflow: ' + JSON.stringify(responseJson));
+        return responseJson;
+    }
+}
+
+module.exports = BEAgent;

src/dialogflow-fulfillment.js

@@ -32,7 +32,7 @@ const {
   SUPPORTED_RICH_MESSAGE_PLATFORMS,
 } = require('./rich-responses/rich-response');
 const V1Agent = require('./v1-agent');
-const V2Agent = require('./v2-agent');
+const BEAgent = require('./be-agent');
 
 const RESPONSE_CODE_BAD_REQUEST = 400;
 
@@ -58,9 +58,6 @@ class WebhookClient {
     if (!options.request) {
       throw new Error('Request can NOT be empty.');
     }
-    if (!options.response) {
-      throw new Error('Response can NOT be empty.');
-    }
 
     /**
      * The Express HTTP request that the endpoint receives from the Assistant.
@@ -69,13 +66,6 @@ class WebhookClient {
      */
     this.request_ = options.request;
 
-    /**
-     * The Express HTTP response the endpoint will return to Assistant.
-     * @private
-     * @type {Object}
-     */
-    this.response_ = options.response;
-
     /**
      * The agent version (v1 or v2) based on Dialogflow webhook request
      * https://dialogflow.com/docs/reference/v2-comparison
@@ -225,7 +215,7 @@ class WebhookClient {
     }
 
     if (this.agentVersion === 2) {
-      this.client = new V2Agent(this);
+      this.client = new BEAgent(this);
     } else if (this.agentVersion === 1) {
       this.client = new V1Agent(this);
     } else {
@@ -502,7 +492,7 @@ class WebhookClient {
     if (payload) {
       this.client.addPayloadResponse_(payload, requestSource);
     }
-    this.client.sendResponses_(requestSource);
+    return this.client.sendResponses_(requestSource);
   }
 
   /**