github-notify.js

var http = require("http");

var gitioURL = "git.io";

function shortenURL(url, cb) {
	var req = http.request({
		hostname: gitioURL,
		port: 80,
		path: "/",
		method: "post",
		headers: {
			"Content-Length": url.length + 4
		}
	}, function (res) {
		if (res.statusCode !== 201) {
			cb(new Error("Bad status code: " + res.statusCode));
		} else {
			cb(null, res.headers.location);
		}
		res.on("data", function (d) {});
		res.on("end", function () {});
	});
	req.on("error", function (err) {
		cb(err, url);
	});
	req.write("url=" + url);
	req.end();
}

module.exports = function (robot) {

	robot.router.post("/" + robot.name + "/github", function (req, res) {
		var data = req.body;

		var msgType = req.headers["x-github-event"];

		console.log(req.headers);
		console.log(data);

		switch (msgType) {
			case "ping":
				robot.messageRoom("room", "[github] ping zen: " + data.zen);
				break;
			case "issues":
				switch (data.action) {
					case "opened":
					case "closed":
						robot.messageRoom("room", "[github] " + data.issue.user.login + " " + data.action + " (#" + data.issue.number + ") " +
							data.issue.title + " in " + data.repository.full_name);
						break;
					default:
						robot.messageRoom("room", "[github] unknown issue type: " + data.action);
						break;
				}
				break;
			case "push":
				data.commits.forEach(function (commit) {
					shortenURL(commit.url, function (err, shortCommitURL) {
						robot.messageRoom("room", "[github] " + commit.author.username + " commited to " +
							data.repository.owner.name + "/" + data.repository.name +
							" \"" + commit.message + "\"" + " (" + shortCommitURL + ")");
					});
				});
				break;
			default:
				robot.messageRoom("room", "[github] unknown type: " + msgType);
				break;
		}

		res.send("");
	});
};