4a. import content from WP ; change design to reflect 4a

backend/helpers/externalSource.js

@@ -0,0 +1,52 @@
+let request = require ('request');
+let Parser = require ('rss-parser');
+
+let parser = new Parser ();
+
+getDataFromRSSFeed = function (url) {
+  //let feed = await parser.parseURL(url);
+  //console.log(feed.title);
+  //feed.items.forEach(item => {
+  //  console.log(item.title + ':' + item.link)
+  //});
+}
+
+getDataFromWPJSON = function (sourceUrl, page = 1, maxPosts = 10) {
+  return new Promise ((resolve, reject) => {
+    var options = {
+      method: 'GET',
+      url: `${sourceUrl}/wp-json/wp/v2/posts`,
+      qs:{
+          page:page,
+          per_page:maxPosts
+      }
+    };
+
+    request (options, (error, response, body)=> {
+      if (error) {
+        reject (error);
+      } else {
+        resolve(JSON.parse (body));
+      }
+    });
+  });
+}
+
+module.exports = {
+  getAnswerFromWP : function (sourceUrl){
+    //This function will extract needed data from JSON, which we got from getDataFromWPJSON
+    //At the moment, it's taking titles and creates answer
+    return new Promise((resolve,reject)=>{
+      getDataFromWPJSON(sourceUrl).then(rawData=>{
+        let result='';
+        rawData.forEach(post=>{
+          result += post.title.rendered + '<break time="300ms"/> '
+        });
+        resolve(result);
+      }).catch(err=>{
+        reject(err);
+      });
+    });
+  }
+}
+