From ac8827c885d6c64b9c683b4a7f92fb4b9b8e6de7 Mon Sep 17 00:00:00 2001
From: Dave Horton <daveh@beachdognet.com>
Date: Tue, 31 Aug 2021 20:31:16 -0400
Subject: [PATCH] dialogflow: support for regional endpoints

---
 lib/tasks/dialogflow/index.js | 18 +++++++++++++++---
 lib/tasks/specs.json          |  4 ++++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/lib/tasks/dialogflow/index.js b/lib/tasks/dialogflow/index.js
index a80ae5c8..9dd624bd 100644
--- a/lib/tasks/dialogflow/index.js
+++ b/lib/tasks/dialogflow/index.js
@@ -9,10 +9,22 @@ class Dialogflow extends Task {
   constructor(logger, opts) {
     super(logger, opts);
     this.preconditions = TaskPreconditions.Endpoint;
-
     this.credentials = this.data.credentials;
-    if (this.data.environment) this.project = `${this.data.project}:${this.data.environment}`;
-    else this.project = this.data.project;
+
+    /* set project id with environment and region (optionally) */
+    if (this.data.environment && this.data.region) {
+      this.project = `${this.data.project}:${this.data.environment}:${this.data.region}`;
+    }
+    else if (this.data.environment) {
+      this.project = `${this.data.project}:${this.data.environment}`;
+    }
+    else if (this.data.region) {
+      this.project = `${this.data.project}::${this.data.region}`;
+    }
+    else {
+      this.project = this.data.project;
+    }
+
     this.lang = this.data.lang || 'en-US';
     this.welcomeEvent = this.data.welcomeEvent || '';
     if (this.welcomeEvent.length && this.data.welcomeEventParams && typeof this.data.welcomeEventParams === 'object') {
diff --git a/lib/tasks/specs.json b/lib/tasks/specs.json
index cf2b6965..1de348fe 100644
--- a/lib/tasks/specs.json
+++ b/lib/tasks/specs.json
@@ -124,6 +124,10 @@
       "credentials": "object|string",
       "project": "string",
       "environment": "string",
+      "region": {
+        "type": "string",
+        "enum": ["europe-west1", "europe-west2", "australia-southeast1", "asia-northeast1"]
+      },
       "lang": "string",
       "actionHook": "object|string",
       "eventHook": "object|string",