github_repos.js

var sys,
    url,
    querystring,
    http,
    searchUser,
    listRepos,
    postHandler;
sys = require('sys');
url = require('url');
querystring = require('querystring');
http = require("http");

searchUser = function(req, res) {
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.write('<form action="/result" method="post">' +
      'GitHub user: <input type="text" name="github_user">' +
      '<input type="submit" value="Search"></form>');
  res.end();
};

listRepos = function(req_data, res) {
  var user,
      github,
      headers,
      request;

  user = req_data.github_user;
  github = http.createClient(80, "github.com");
  headers = {
    'host':'github.com',
    "User-Agent": "NodeJS HTTP Client",
    "Content-Length": "0"
  };
  request = github.request("GET", "/api/v2/json/repos/show/" + user, headers);

  request.addListener('response', function(response) {
    if (response.statusCode > 200) {
      res.writeHead(response.statusCode, {'Content-Type': 'text/plain'});
      res.write("No user found.")
      res.end();
      return;
    }
    response.setEncoding('utf8');
    var responseBody = [];

    response.addListener("data", function(chunk) {
      responseBody.push(chunk);
    });

    response.addListener("end", function() {
      res.writeHead(200, {'Content-Type': 'text/html'});
      var repos,
          repoNames,
          i,
          max,
          repoObj;

      repoNames = '';
      repos = JSON.parse(responseBody.join(""));
      //repos = querystring.parse(responseBody.join(""));
      //console.log(sys.inspect(repos));
      max = repos["repositories"].length;
      for (i=0; i<max; i+=1) {
        repoObj = repos["repositories"][i];
        repoNames += '<strong><a href=' + repoObj["url"] + '>' + repoObj["name"] + '</a></strong><br />'
      }

      res.write("<h1>" + user + ' has ' + repos["repositories"].length + 
        " repositories:</h1><br /><hr>" + repoNames);
      res.end();
    });
  });
  request.end();
};

postHandler = function(req, res, callback) {
  var _request,
      _content;
  _request = {};
  _content = '';

  if (req.method == "POST") {
    req.addListener('data', function(chunk) {
      _content += chunk;
    });
    req.addListener('end', function() {
      _request = querystring.parse(_content);
      return callback(_request, res);
    });
  }
};

http.createServer(function (req, res) {
  switch (url.parse(req.url)["pathname"]) {
  case '/':
    searchUser(req, res);
    break;
  case '/result':
    postHandler(req, res, function(req_data, res) {
      listRepos(req_data, res);
    });
    break;
  }
}).listen(6633)

console.log('Server running at http://localhost:6633');