React on push;

index.js

@@ -19,9 +19,48 @@ var app = express();
 app.use(bodyParser.json()); // for parsing application/json
 app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
 
+function formatCommit(commit) {
+    return commit.message + ' ' + commit.url;
+}
+
+var handlers = {
+
+    push: function(body) {
+        var user = body.user_name;
+        var repoName = body.repository.name;
+        var commits = body.commits;
+
+        var msg = ['push on ' + repoName + ': ' + user + ' pushed ' + commits.length + ' commits.'];
+
+        if (commits.length < 4) {
+            msg = msg.concat(commits.map(formatCommit));
+        } else {
+            msg.push(formatCommit(commits[0]));
+            msg.push('...');
+            msg.push(formatCommit(commits[commits.length - 1]));
+        }
+
+        return msg;
+    }
+
+};
+
 app.post('/', function(req, res) {
     var body = req.body || {};
 
+    var msgs = null;
+    if (body.object_kind && handlers[body.object_kind])
+        msgs = handlers[body.object_kind](body);
+
+    if (msgs) {
+        if (msgs instanceof Array) {
+            for (var i = 0; i < msgs.length; i++)
+                say(config.channels, msgs[i]);
+        } else {
+            say(config.channels, msgs);
+        }
+    }
+
     res.sendStatus(200);
 });