use length control for summary

backend/helpers/externalSource.js

@@ -35,6 +35,19 @@ getDataFromWPJSON = function (sourceUrl, page = 1, maxPosts = 10) {
   });
 };
 
+summarizeText = function (text, length, clearText=true){
+
+  if (clearText){
+    text = htmlToText.fromString(post.content.rendered,{
+      wordwrap:false,
+      ignoreHref:true,
+      ignoreImage:true
+    });
+  }
+
+  return summarizer(text,{n:length});
+}
+
 module.exports = {
   getAnswerFromWP: function (sourceUrl) {
     //This function will extract needed data from JSON, which we got from getDataFromWPJSON
@@ -73,12 +86,11 @@ module.exports = {
 
           try {
             rawData.forEach (post => {
-              let textData = htmlToText.fromString(post.content.rendered,htmlToTextOptions);
               result += includeTitle ? post.title.rendered : '';
               result += includeTitle
                 ? `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_TITLE_AND_CONTENT}ms"/>`
                 : '';
-              result += summarizer (textData);
+              result += summarizeText(post.content.rendered,3);
               result += `<break time="${constants.voiceResponseTimings.PAUSE_BETWEEN_NEWS}ms"/>`;
             });