Add missing library request

src/libs/routes/class.js

@@ -18,6 +18,8 @@ const id2str = require(`${libs}/middlewares/id2str`);
 
 const config = require(`${libs}/config`); 
 
+const request = require(`request`);
+
 const cache = require('apicache').options({ debug: config.debug, statusCodes: {include: [200]} }).middleware;
 
 let rqfCount = new ReqQueryFields();

src/libs/routes/enrollment.js

@@ -18,6 +18,8 @@ const id2str = require(`${libs}/middlewares/id2str`);
 
 const config = require(`${libs}/config`); 
 
+const request = require(`request`);
+
 const cache = require('apicache').options({ debug: config.debug, statusCodes: {include: [200]} }).middleware;
 
 enrollmentApp.use(cache('15 day'));

src/libs/routes/teacher.js

@@ -18,6 +18,8 @@ const id2str = require(`${libs}/middlewares/id2str`);
 
 const config = require(`${libs}/config`); 
 
+const request = require(`request`);
+
 const cache = require('apicache').options({ debug: config.debug, statusCodes: {include: [200]}  }).middleware;
 
 let rqf = new ReqQueryFields();