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| 1 | +const AWS = require('aws-sdk'); |
| 2 | +const axios = require('axios'); |
| 3 | + |
| 4 | +const { flat, getCurrentTimeInSeconds } = require('./utils'); |
| 5 | + |
| 6 | +const codeforces = require('./parsers/codeforces'); |
| 7 | +const hackerearth = require('./parsers/hackerearth'); |
| 8 | +const hackerrank = require('./parsers/hackerrank'); |
| 9 | +const topcoder = require('./parsers/topcoder'); |
| 10 | +const leetcode = require('./parsers/leetcode'); |
| 11 | +const codechef = require('./parsers/codechef'); |
| 12 | +const atcoder = require('./parsers/atcoder'); |
| 13 | +const csacademy = require('./parsers/csacademy'); |
| 14 | +const coj = require('./parsers/coj'); |
| 15 | +const kaggle = require('./parsers/kaggle'); |
| 16 | + |
| 17 | +const s3bucket = new AWS.S3({}); |
| 18 | + |
| 19 | + |
| 20 | +exports.handler = async (event) => { |
| 21 | + return axios.all([ |
| 22 | + codeforces(), |
| 23 | + hackerearth(), |
| 24 | + hackerrank(), |
| 25 | + topcoder(), |
| 26 | + leetcode(), |
| 27 | + codechef(), |
| 28 | + atcoder(), |
| 29 | + csacademy(), |
| 30 | + coj(), |
| 31 | + kaggle(), |
| 32 | + ]) |
| 33 | + .then((contestsByPlatform) => { |
| 34 | + const contests = flat(contestsByPlatform.filter(it => Array.isArray(it))); |
| 35 | + |
| 36 | + const curTime = getCurrentTimeInSeconds(); |
| 37 | + |
| 38 | + const sortByStartTime = (a, b) => a.startTime - b.startTime; |
| 39 | + const sortByEndTime = (a, b) => a.endTime - b.endTime; |
| 40 | + |
| 41 | + const isOngoing = contest => contest.startTime < curTime && contest.endTime > curTime; |
| 42 | + const isUpcoming = contest => contest.startTime > curTime && contest.endTime > curTime; |
| 43 | + |
| 44 | + const ongoingContests = contests.filter(isOngoing).sort(sortByEndTime); |
| 45 | + const upcomingContests = contests.filter(isUpcoming).sort(sortByStartTime); |
| 46 | + |
| 47 | + const contestsJson = JSON.stringify({ |
| 48 | + timestamp: curTime, |
| 49 | + ongoing: ongoingContests, |
| 50 | + upcoming: upcomingContests, |
| 51 | + }); |
| 52 | + |
| 53 | + const params = { |
| 54 | + Bucket: "codercalendar-api", |
| 55 | + Key: "response.json", |
| 56 | + Body: contestsJson, |
| 57 | + ContentType: "application/json;charset=UTF-8", |
| 58 | + ACL: 'public-read' |
| 59 | + }; |
| 60 | + |
| 61 | + return s3bucket.upload(params).promise().then((data) => { |
| 62 | + console.log(`File uploaded successfully at ${data.Location}`) |
| 63 | + }); |
| 64 | + }); |
| 65 | +}; |
| 66 | + |
| 67 | + |
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