HBW-90 Add payload to widget's requests

CHANGELOG.md

@@ -14,6 +14,7 @@ v1.6.0 [unreleased]
 -   [#209](https://github.com/latera/homs/pull/209) Drop react-rails & react_ujs dependencies.
 -   [#205](https://github.com/latera/homs/pull/205) Use higher order component instead of HBWSelectMixin.
 -   [#214](https://github.com/latera/homs/pull/214) Update ruby version to 2.5.3.
+-   [#213](https://github.com/latera/homs/pull/213) Add payload to widget's requests.
 
 ### Bugfixes
 -   [#194](https://github.com/latera/homs/pull/194) Set limit on the number of choices in lookup select from sql requests.

hbw/app/javascript/packs/hbw/connection.js

@@ -220,8 +220,17 @@ modulejs.define('HBWConnection', ['jQuery'], (jQuery) => {
       this.channels = {};
     }
 
-    request (...args) {
-      return jQuery.ajax(...args);
+    request (opts) {
+      let data;
+      const payload = this.options.payload || {};
+
+      if (typeof opts.data === 'string') {
+        data = JSON.stringify({ ...JSON.parse(opts.data), payload });
+      } else {
+        data = { ...opts.data, payload };
+      }
+
+      return jQuery.ajax({ ...opts, data });
     }
 
     createChannel (options) {

hbw/app/javascript/packs/hbw/widget.js.jsx

@@ -21,7 +21,8 @@ modulejs.define(
         this.options = options;
         const connection = new Connection({
           path: this.options.widgetPath,
-          host: this.options.widgetHost
+          host: this.options.widgetHost,
+          payload: this.options.payload
         });
 
         this.env = {