1 files changed, 33 insertions, 0 deletions
diff --git a/addons/mail/static/src/js/basic_model.js b/addons/mail/static/src/js/basic_model.js
new file mode 100644
index 00000000000..11139819a60
--- /dev/null
+++ b/addons/mail/static/src/js/basic_model.js
@@ -0,0 +1,33 @@
+odoo.define('mail.basic_model', function (require) {
+"use strict";
+
+var BasicModel = require('web.BasicModel');
+
+/**
+ * Include the BasicModel to update the datapoint on the model when a
+ * message is posted.
+ */
+BasicModel.include({
+
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    /**
+     * Update the message ids on a datapoint.
+     *
+     * Note that we directly update the res_ids on the datapoint as the message
+     * has already been posted ; this change can't be handled 'normally' with
+     * x2m commands because the change won't be saved as a normal field.
+     *
+     * @param {string} id
+     * @param {integer[]} msgIDs
+     */
+    updateMessageIDs: function (id, msgIDs) {
+        var element = this.localData[id];
+        element.res_ids = msgIDs;
+        element.count = msgIDs.length;
+    },
+});
+
+});