twithub/server.js at master · benwaffle/twithub · GitHub

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// vim: et ts=4 sw=4
'use strict';

const express = require('express');
const bodyParser = require('body-parser');
const app = express();
const twitter = require('./twit.js');
const github = require('octonode');

var client = github.client('522012d3f1adee893d13bbdf3b2df7d62ab50ee0');

const githubToTwitter = {
    'benwaffle': 'benwafflez',
    'khayyamsaleem': 'KhayyamSaleem',
};

var issues = {}; // tweet ID => ['owner/repo', issueNum]

app.use(bodyParser.json());

function lencheck(data){
    if (data == null) {
        return "";
    } else if (data.length >= 80){
        return data.slice(0, 79);
    } else {
        return data;
    }
}

twitter.listen(tweet => {
    let twid = tweet.in_reply_to_status_id_str;
    console.log(`Got tweet ${twid}`);
    if (issues[twid]) {
        console.log(`Replying to ${issues[twid]}`);
        let issue = issues[twid];
        let text = tweet.text.replace('@TwithubB ', '');
        let comment = `**Comment by ${tweet.user.name}**

---

${text}`;
        client.issue(issue[0], issue[1]).createComment({ body: comment }, (err, data) => {
            if (err)
                console.log(err);
            console.log(data);
        });
    }
});

app.post('/', (req, res) => {
    let data = req.body;
    let event = req.headers['x-github-event'];
    if (event) {
        let owner = data.repository.owner.login;
        let user = data.sender.login;
        let project = data.repository.name;
        let twitterUser = githubToTwitter[owner];
        if (event == "issues") {
            let action = data.action;
            let emoji = action;
            if (action == "opened"){
                emoji = "💩";
            } else if (action == "closed") {
                emoji = "🙏";
            }
            let title = lencheck(data.issue.title);
            let url = data.issue.html_url;
            let tweet = `@${twitterUser} ${emoji} ${project}: ${user} ${action} issue "${title}"
${url}`;
            twitter.tweet(tweet, (err, tweet) => {
                if (err)
                    return console.log(err);
                let twid = tweet.id_str;
                issues[twid] = [data.repository.full_name, data.issue.number];
            });
        } else if (event == "issue_comment") {
            let title = lencheck(data.issue.title);
            let url = data.issue.html_url;
            let comment = data.comment.body;
            let tweet = ` @${twitterUser}  ${project}: ${user} commented 💬 on issue "${title}"
${comment.slice(0, 79)}
${url}`;
            twitter.tweet(tweet, (err) => {
                if (err)
                    return console.log(err);
                let twid = tweet.id_str;
                issues[twid] = [data.repository.full_name, data.issue.number];
            });
        } else if (event == "pull_request") {
            let action = data.action;
            let title = data.pull_request.title;
            let url = data.pull_request.html_url;
            let body = lencheck(data.pull_request.body);
            let tweet = `@${twitterUser} 😕 ${project}: ${user} ${action} a pull request: "${title}"
${body}
${url}`;
            twitter.tweet(tweet, (err) => {
                if (err)
                    return console.log(err);
            });
        } else if (event == "watch") {
            let repo = data.repository.name;
            let url = data.repository.html_url;
            let tweet = `@${twitterUser} ${user} starred 🌟 ${repo}
${url}`;
            twitter.tweet(tweet, (err) => {
                if (err)
                    return console.log(err);
            });
        } else if (event == "fork") {
	    let url = data.forkee.html_url;
	    let tweet = `@${twitterUser} 🍴 ${user} forked ${project}
${url}`;
            twitter.tweet(tweet, (err) => {
                if (err)
                    return console.log(err);
            });
	} else {
            console.log(`unknown github event: ${event}`);
        }
    } else {
        console.log("Post request without github event");
    }
    res.send('ok');
});

app.listen(3000, () => {
    console.log("listening on port 3000");
});