Add size attribute to object generated in parseParams

Related: simcaq/SCRUM#18

src/libs/middlewares/parseParams.js

@@ -53,8 +53,10 @@ function parseParams(queryParam, arr) {
                 for (let i = 0; i < intersection.length; ++i) {
                     req[queryParam][intersection[i]] = obj[intersection[i]];
                 }
+                req[queryParam].size = intersection.length;
             } else {
                 req[queryParam] = obj;
+                req[queryParam].size = Object.keys(obj).length;
             }
         }
         next();