support rich message Slack fromat

Author: maxceem

src/common/tcApiHelper.js

@@ -208,17 +208,18 @@ function* sendMessageToBus(data) {
 /**
  * Notify slack channel.
  * @param {string} channel the slack channel name
- * @param {string} text the message
+ * @param {string} text    the message
+ * @param {string} blocks  rich formatted message as per https://api.slack.com/block-kit
  */
-function* notifySlackChannel(channel, text) {
+function* notifySlackChannel(channel, text, blocks) {
   if (config.SLACK.NOTIFY) {
     const token = config.SLACK.BOT_TOKEN;
     const url = config.SLACK.URL;
     const res = yield request
       .post(url)
       .set('Content-Type', 'application/json')
       .set('Authorization', `Bearer ${token}`)
-      .send({ channel, text })
+      .send({ channel, text, blocks })
       .catch((err) => {
         const errorDetails = _.get(err, 'message');
         throw new Error(

src/services/UniversalNotificationService.js

@@ -186,7 +186,7 @@ function* handle(message) {
           break;
         case constants.SETTINGS_SLACK_SERVICE_ID:
           if (validator(data, slackSchema)) {
-            yield tcApiHelper.notifySlackChannel(data.details.channel, data.details.text);
+            yield tcApiHelper.notifySlackChannel(data.details.channel, data.details.text, data.details.blocks);
           }
           break;
         case constants.SETTINGS_WEB_SERVICE_ID: