Added Interview bit parser

package.json

@@ -3,7 +3,9 @@
   "version": "1.0.0",
   "description": "An API listing programming contests across multiple platforms",
   "main": "index.js",
-  "scripts": {},
+  "scripts": {
+    "start": "node src/index.js"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/nishanthvijayan/programming-contests-api.git"

src/index.js

@@ -13,10 +13,10 @@ const atcoder = require('./parsers/atcoder');
 const csacademy = require('./parsers/csacademy');
 const coj = require('./parsers/coj');
 const kaggle = require('./parsers/kaggle');
+const interviewbit = require('./parsers/interviewbit');
 
 const s3bucket = new AWS.S3({});
 
-
 exports.handler = async (event) => {
     return axios.all([
       codeforces(),
@@ -29,6 +29,7 @@ exports.handler = async (event) => {
       csacademy(),
       coj(),
       kaggle(),
+      interviewbit(),
     ])
       .then((contestsByPlatform) => {
         const contests = flat(contestsByPlatform.filter(it => Array.isArray(it)));
@@ -59,11 +60,8 @@ exports.handler = async (event) => {
             ContentType: "application/json;charset=UTF-8",
             ACL: 'public-read'
         };
-
         return s3bucket.upload(params).promise().then((data) => {
             console.log(`File uploaded successfully at ${data.Location}`)
         });
       });
 };
-
-

src/parsers/interviewbit.js

@@ -0,0 +1,118 @@
+const axios = require('axios');
+const cheerio = require('cheerio');
+const { parserErrorHandler } = require('./../utils');
+
+const PLATFORM = 'INTERVIEW BIT';
+
+
+const interviewbit = () => {
+  const config = {
+    timeout: 30000,
+    headers: {
+      Accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,im',
+    },
+  };
+  return axios.get('https://www.interviewbit.com/contests/', config)
+    .then(async (response) => {
+      var $ = cheerio.load(response.data);
+      var upcomingContestLinkElementSelector = '#upcoming_contests > div > div > div > div > div.col-xs-12.col-sm-8.col-md-8.card-detail > div > div > a';
+      var upcomingContestsLink = [];
+      $(upcomingContestLinkElementSelector).each((parentIdx, parentElem) => {
+          var actualLink = "https://www.interviewbit.com".concat($(parentElem).attr('href'));
+          var name = $(parentElem).text().trim();
+          nameAndLink = [actualLink, name];
+          upcomingContestsLink.push(nameAndLink);
+      })
+      var upcomingContestStartTimeElementSelector = '#upcoming_contests > div > div > div > div > div.col-xs-12.col-sm-8.col-md-8.card-detail > div > div > div > div.info-value';
+      var upcomingContestsStartTime = [];
+      $(upcomingContestStartTimeElementSelector).each((parentIdx, parentElem) => {
+        startTime = $(parentElem).text().trim().slice(0, -4);
+        upcomingContestsStartTime.push(startTime);
+      })
+      var upcomingContestEndTime = []
+      for (let i = 0; i < upcomingContestsLink.length; i++) {
+        var url = upcomingContestsLink[i][0]
+        var config = {
+            timeout: 30000,
+            headers: {
+                Accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,im',
+            },
+        };
+
+        var response = await axios.get(url, config);
+        var $ = cheerio.load(response.data);
+        var upcominContestEndTimeElementSelector = '#hackathon-details-div > div:nth-child(2) > span.details-wrapper > span.info-value';
+        var endTime = $(upcominContestEndTimeElementSelector).first().text().trim().slice(0, -4);
+        upcomingContestEndTime.push(endTime)
+      }
+
+      const calcTimeUTC = (datetimeString) => {
+        var fiveThirtyInSeconds = (5*60 + 30)*60
+        function checkNull(val) {
+          if (val != null){
+            return val
+          };
+        }
+        var datetimeList = datetimeString.split(" ").filter(checkNull);
+        var year = datetimeList[2];
+        var day = datetimeList[0];
+        var hour = datetimeList[3].split(":")[0];
+        if (datetimeList[4] == "PM"){
+          hour = parseInt(hour) + 12
+          hour = hour.toString()
+        }; 
+        var minute = datetimeList[3].split(":")[1];
+        var parseMonth = {"Jan": 1, "Feb": 2, "Mar": 3, "Apr": 4, "May": 5, "Jun": 6, "Jul": 7, "Aug": 8, "Sep": 9, "Oct": 10, "Nov": 11, "Dec": 12};
+        var month = parseMonth[datetimeList[1]].toString();
+
+        // Date provided by atcoder follows Tokyo timezone(GMT+09:00)
+        return new Date(Date.UTC(year, month, day, hour, minute)).getTime() / 1000 - fiveThirtyInSeconds;
+      };
+
+      upcomingList = []
+      for (let i = 0; i < upcomingContestsLink.length; i++) {
+          addDict = {};
+          addDict["name"] = upcomingContestsLink[i][1];
+          addDict["platform"] = "Interview Bit";
+          addDict["url"] = upcomingContestsLink[i][0];
+          addDict["startTime"] = calcTimeUTC(upcomingContestsStartTime[i]);
+          addDict["endTime"] = calcTimeUTC(upcomingContestEndTime[i]);
+          upcomingList.push(addDict);
+      }
+      var activeContestLinkElementSelector = '#active_contests > div > div > div > div > div.col-xs-12.col-sm-8.col-md-8.card-detail > div > div > a';
+      var activeContestsLink = [];
+      $(activeContestLinkElementSelector).each((parentIdx, parentElem) => {
+          var actualLink = "https://www.interviewbit.com".concat($(parentElem).attr('href'));
+          var name = $(parentElem).text().trim();
+          nameAndLink = [actualLink, name];
+          activeContestsLink.push(nameAndLink);
+      })
+      var activeContestStartTimeElementSelector = '#active_contests > div > div > div > div > div.col-xs-12.col-sm-8.col-md-8.card-detail > div > div > div > div.info-value';
+      var activeContestsStartTime = [];
+      $(activeContestStartTimeElementSelector).each((parentIdx, parentElem) => {
+        startTime = $(parentElem).text().trim().slice(0, 11);
+        activeContestsStartTime.push(startTime);
+      })
+      var activeContestEndTimeElementSelector = '#active_contests > div > div > div > div > div.col-xs-12.col-sm-8.col-md-8.card-detail > div > div > div > div.info-value';
+      var activeContestsEndTime = [];
+      $(activeContestEndTimeElementSelector).each((parentIdx, parentElem) => {
+        EndTime = $(parentElem).text().trim().slice(0, 11);
+        activeContestsEndTime.push(EndTime);
+      })
+      activeList = []
+      for (let i = 0; i < activeContestsLink.length; i++) {
+          addDict = {};
+          addDict["name"] = activeContestsLink[i][1];
+          addDict["platform"] = "Interview Bit";
+          addDict["url"] = activeContestsLink[i][0];
+          addDict["startTime"] = calcTimeUTC(activeContestsStartTime[i]);
+          addDict["endTime"] = calcTimeUTC(activeContestsEndTime[i]);
+          activeList.push(addDict);
+      }
+      finalContestList = upcomingList.concat(activeList);
+      return finalContestList
+    })
+    .catch(parserErrorHandler(PLATFORM));
+};
+
+module.exports = interviewbit;