refactor first middleware

src/middlewares/attachPublicKeyMiddleware.js

@@ -1,7 +1,11 @@
-const sessionService = require('../services/sessionService');
+class AttachPublicKeyMiddlewareProvider {
+  constructor(sessionService) {
+    this.sessionService = sessionService;
+  }
 
-async function attachPublicKeyMiddleware(req, res, next) {
+  provide() {
-  const publicKey = await sessionService.getPublicKeyRelatedToSession(
+    return async (req, res, next) => {
+      const publicKey = await this.sessionService.getPublicKeyRelatedToSession(
         req.cookies.sessionUuid
       );
 
@@ -9,6 +13,8 @@ async function attachPublicKeyMiddleware(req, res, next) {
         req.cookies.publicKey = publicKey;
       }
       next();
+    };
+  }
 }
 
-module.exports = attachPublicKeyMiddleware;
+module.exports = AttachPublicKeyMiddlewareProvider;

src/middlewares/index.js

@@ -1,10 +1,15 @@
 const redirectIfNotAuthorizedMiddleware = require('./redirectIfNotAuthorizedMiddleware');
-const attachPublicKeyMiddleware = require('./attachPublicKeyMiddleware');
 const redirectIfMissingProfileDetailsMiddleware = require('./redirectIfMissingProfileDetailsMiddleware');
 const redirectHomeIfAuthorized = require('./redirectHomeIfAuthorized');
 const rejectIfNotAuthorizedMiddleware = require('./rejectIfNotAuthorizedMiddleware');
 const createSessionMiddleware = require('./createSessionMiddleware');
 
+const sessionService = require('../services/sessionService');
+const AttachPublicKeyMiddlewareProvider = require('./attachPublicKeyMiddleware');
+const attachPublicKeyMiddleware = new AttachPublicKeyMiddlewareProvider(
+  sessionService
+).provide();
+
 module.exports = {
   redirectIfNotAuthorizedMiddleware,
   attachPublicKeyMiddleware,