Add result when Monet returns empty array

src/libs/routes/enrollment.js

@@ -209,6 +209,11 @@ enrollmentApp.get('/', (req, res, next) => {
         .group('turmas.ano_censo')
         .order('turmas.ano_censo');
     next();
-}, query, response('test'));
+}, query, (req, res, next) => {
+    if(req.result.length === 0) {
+        req.result.push({total: 0});
+    }
+    next();
+}, response('enrollment'));
 
 module.exports = enrollmentApp;