fix: added back blog js

Author: hentrymartin

src/server/index.js

@@ -29,6 +29,7 @@ import mockDocuSignFactory from './__mocks__/docu-sign-mock';
 import recruitCRMRouter from './routes/recruitCRM';
 import mmLeaderboardRouter from './routes/mmLeaderboard';
 import feedsRouter from './routes/feeds';
+import blogRouter from './routes/blog';
 
 /* Dome API for topcoder communities */
 import tcCommunitiesDemoApi from './tc-communities';
@@ -163,6 +164,7 @@ async function onExpressJsSetup(server) {
 
   const checkAuthorizationHeader = (req, res, next) => {
     if (req.headers.authorization !== `ApiKey ${config.SERVER_API_KEY}`) {
+      console.log('checkAuthorizationHeader failed');
       return res.status(403).end();
     }
     return next();
@@ -277,6 +279,7 @@ async function onExpressJsSetup(server) {
   server.use('/api/recruit', recruitCRMRouter);
   server.use('/api/mml', mmLeaderboardRouter);
   server.use('/api/feeds', feedsRouter);
+  server.use('/api/blog', blogRouter);
 
   // serve demo api
   server.use(

src/server/routes/blog.js

@@ -0,0 +1,20 @@
+import express from 'express';
+
+import getBlogs from '../services/blog';
+
+const router = express.Router();
+
+router.use((req, res, next) => {
+  res.set('Access-Control-Allow-Origin', '*');
+  next();
+});
+
+router.get('/', async (req, res, next) => {
+  try {
+    const limit = Number(req.query.limit);
+    const { category } = req.query;
+    res.send(await getBlogs(limit, category));
+  } catch (err) { next(err); }
+});
+
+export default router;

src/server/services/blog.js

@@ -0,0 +1,32 @@
+/**
+ * Service that fetches blog rss and parses it
+ */
+import RSSParser from 'rss-parser';
+import { config } from 'topcoder-react-utils';
+import { logger } from 'topcoder-react-lib';
+import _ from 'lodash';
+
+/**
+ * Gets blogs and returns as a list
+ * @param {number} limit The number of blogs to return
+ * @param {string} category blog category to fetch
+ * @return {Promise} Resulting blogs.
+ */
+export default async function getBlogs(limit, category = null) {
+  try {
+    const feed = await fetch(config.URL.BLOG_FEED);
+    const rss = await feed.text();
+    const feedBlogs = new RSSParser().parseString(rss.replace('<![CDATA[]]>', ''));
+    const blogs = await feedBlogs;
+    const filteredBlogs = category
+      ? blogs.items.filter(
+        blog => _.get(blog, 'categories', []).map(c => c.trim()).includes(category),
+      ) : blogs.items;
+    return filteredBlogs
+      .sort((a, b) => new Date(b.pubDate) - new Date(a.pubDate))
+      .slice(0, limit);
+  } catch (e) {
+    logger.error('getBlogs error', e);
+    return [];
+  }
+}