change summarizing lib

backend/helpers/externalSource.js

@@ -1,6 +1,6 @@
 let request = require ('request');
 let Parser = require ('rss-parser');
-let summarizer = require ('node-summary');
+let summarizer = require('nodejs-text-summarizer')
 const constants = require ('../config/constants');
 
 let parser = new Parser ();
@@ -34,18 +34,6 @@ getDataFromWPJSON = function (sourceUrl, page = 1, maxPosts = 10) {
   });
 };
 
-summarizeText = function (title, text) {
-  return new Promise ((resolve, reject) => {
-    summarizer.summarize (title, text, (err, summary) => {
-      if (err) {
-        reject (err);
-      } else {
-        resolve (summary);
-      }
-    });
-  });
-};
-
 module.exports = {
   getAnswerFromWP: function (sourceUrl) {
     //This function will extract needed data from JSON, which we got from getDataFromWPJSON
@@ -70,25 +58,19 @@ module.exports = {
       getDataFromWPJSON (sourceUrl, 1, postCount)
         .then (rawData => {
           let result = '';
-          let summarizers = [];
-          rawData.forEach (post => {
-            summarizers.push (
-              summarizeText (post.title.rendered, post.content.rendered).then(summary=>{
-                result += (includeTitle) ? post.title.rendered : '';
-                result += (includeTitle) ? `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_TITLE_AND_CONTENT}ms"/>` : '';
-                result += summary;
-                result += `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_NEWS}ms"/>`; 
-              }).catch(err=>{
-                result += constants.voiceResponseString.ERROR_SUMMARIZING_CONTENT;
-                result += `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_NEWS}ms"/>`;
-              })
-            );
-          });
-          Promise.all(summarizers).then(()=>{
+          
+          try{
+            rawData.forEach (post => {
+              result += (includeTitle) ? post.title.rendered : '';
+              result += (includeTitle) ? `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_TITLE_AND_CONTENT}ms"/>` : '';
+              result += summarizer(post.content.rendered);
+              result += `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_NEWS}ms"/>`; 
+            });
             resolve(result);
-          }).catch(()=>{
-            reject(result);
-          });
+          }catch(err){
+            reject(constants.voiceResponseString.ERROR_SUMMARIZING_CONTENT)
+          }
+          
         })
         .catch (err => {
           reject (constants.voiceResponseString.ERROR_FETCHING_CONTENT);

backend/package.json

@@ -10,8 +10,7 @@
     "express": "^4.13.0",
     "isomorphic-fetch": "^2.2.1",
     "mongodb": "^2.2.33",
-    "node-summary": "^1.2.0",
-    "nodejs-text-summarizer": "^2.0.3",
+    "nodejs-text-summarizer": "GotPPay/nodejs-text-summarizer",
     "nodemailer": "^4.4.1",
     "request": "^2.83.0",
     "rss-parser": "^3.1.1"