Add version tracking for page nodes

app/models/VersionedModel.js

@@ -17,17 +17,18 @@ class VersionedModel extends Model {
     }
 
     async new_version(message = undefined, user_id = undefined) {
-        const version_data = await this.cast_to_version_data()
-        version_data.version_UUID = uuid()
-        version_data.version_message = message
-
         if ( !this.version_num ) this.version_num = 1
         if ( !this.version_archive ) this.version_archive = []
 
         this.version_num += 1
-        this.version_archive.push(version_data)
         this.version_create_date = new Date()
         this.version_user_id = user_id
+
+        const version_data = await this.cast_to_version_data()
+        version_data.version_UUID = uuid()
+        version_data.version_message = message
+
+        this.version_archive.push(version_data)
     }
 
     async cast_to_version_data() {

app/models/api/Node.model.js

@@ -1,12 +1,12 @@
-const Model = require("flitter-orm/src/model/Model");
-const uuid = require('uuid/v4');
+const VersionedModel = require('../VersionedModel')
+const uuid = require('uuid/v4')
 
 /*
  * Node Model
  * -------------------------------------------------------------
  * Put some description here!
  */
-class Node extends Model {
+class Node extends VersionedModel {
 	static get services() {
 		return [...super.services, 'models']
 	}
@@ -14,6 +14,7 @@ class Node extends Model {
 	static get schema() {
 		// Return a flitter-orm schema here.
 		return {
+			...super.schema,
 			UUID: { type: String, default: () => uuid() },
 			Type: String,
 			Value: {