allow passing FB event number as parameter

lib/middlewares.js

@@ -1,4 +1,5 @@
-const FBURLError = () => new Error('Not a valid Facebook URL!')
+const { checkValidURL } = require('./utils')
+const MissingURLParameter = () => new Error('Please provide valid URL or event number.')
 
 const sendJSON = (req) => {
   return req.accepts().includes('application/json')
@@ -19,27 +20,17 @@ const genericErrorHandler = (err, req, res, next) => {
     .render('error', { error: err.toString() })
 }
 
-const checkFBURL = (req, res, next) => {
+const checkURLParameter = (req, res, next) => {
   const { url } = req.body
 
-  if (!url) {
-    return next(FBURLError())
+  if (!url || !checkValidURL(url)) {
+    return next(MissingURLParameter())
   }
 
-  try {
-    const FBURL = new URL(url)
-    if (!(/facebook/.test(FBURL.hostname))) {
-      return next(FBURLError())
-    }
-  } catch (err) {
-    return next(err)
-  }
-
-
   return next()
 }
 
 module.exports = {
   genericErrorHandler,
-  checkFBURL,
+  checkURLParameter,
 }