revert(api): decouple api from curriculum

This reverts commit c077ffe4b9
via PR #40703

api-server/server/rss/lybsyn.js

@@ -0,0 +1,48 @@
+import http from 'http';
+import _ from 'lodash';
+
+const lybsynFeed = 'http://freecodecamp.libsyn.com/render-type/json';
+
+export function getLybsynFeed() {
+  return new Promise((resolve, reject) => {
+    http.get(lybsynFeed, res => {
+      let raw = '';
+
+      res.on('data', chunk => {
+        raw += chunk;
+      });
+
+      res.on('error', err => reject(err));
+
+      res.on('end', () => {
+        let feed = [];
+
+        try {
+          feed = JSON.parse(raw);
+        } catch (err) {
+          return reject(err);
+        }
+        const items = feed
+          .map(item =>
+            _.pick(item, [
+              'full_item_url',
+              'item_title',
+              'release_date',
+              'item_body_short'
+            ])
+          )
+          /* eslint-disable camelcase */
+          .map(
+            ({ full_item_url, item_title, release_date, item_body_short }) => ({
+              title: item_title,
+              extract: item_body_short,
+              isoDate: new Date(release_date).toISOString(),
+              link: full_item_url
+            })
+          );
+        /* eslint-enable camelcase */
+        return resolve(items);
+      });
+    });
+  });
+}