site.js

/*jslint regexp:false */
// gogled
// shape server. Look up pages by key or add to them.
//
// This is so not-RESTy that it's not even funny. Having URLs each be own
// resources would be mighty inconvenient, so we'll just do like this:
// http://server/?lookup=http%3a%2f%2fgoogle.com%2f
//
// This page handles (should handle!) all of the view functions.

var http = require('http'),
    url = require('url'),
    Pagestore = require('./models/pagestore').Pagestore,
    Shape = require('./models/shape').Shape,
    bmr = require('./views/bookmarklet_renderer'),
    staticfiles = require('./views/static'),
    view = require('./views/view_helpers'),
    fading = require('./models/fading.js'),
    switchboard = require('./views/switchboard');

exports.makeGogglesServer = function(conf) {
  var ps = new Pagestore(conf.storeDir, conf.emptyCbTimeout);

  bmr.load();
  if (conf.closure) {
    bmr.closureCompile();
  }
  if (conf.fade) {
    fading.fade(ps);
  }

  function receive(req, res) {
    // this actually sends the response back
    function render(data) { return view.renderJson(req, res, data); }
    try {
      return switchboard.dispatch(req, res, url.parse(req.url).pathname, {
          '': staticfiles.makeSingleFileServer('resources/index.htm'),

          'img': staticfiles.makeFileServer('resources'),
          'css': staticfiles.makeFileServer('resources'),

          'favicon.ico': function(){
            res.writeHead(404); res.end("No favicon here");
          },

          'bookmarklet.js': bmr.makeRenderer(req, res),

          'page': switchboard.makeDispatchQueryOverloader(
              ['add', 'page','t','r','g','b','a','p'],
              function(req,res, add,page,t,r,g,b,a,p){
                var shape = Shape.fromParams(p, t, r, g, b, a);
                if (shape) {
                  console.log((req.headers['x-forwarded-for']||req.connection.remoteAddress)+" +++ "+page);
                  return ps.addShapeToPage(page, shape, render);
                } else {
                  view.failWith(req, res, "One or more of your shape paramaters is invalid.");
                }
              },
              ['del', 'page','id'],
              function(req,res, del,page,id){
                // I know it's stupid to delete the shape by passing in every
                // parameter...
                  console.log((req.headers['x-forwarded-for']||req.connection.remoteAddress)+" --- "+page);
                  try {
                    var p = parseInt(id, 10);
                    if (isNaN(p)) {
                      return view.failWith(req, res, "One or more of your shape paramaters is invalid.");
                    } else {
                      return ps.deleteShapeFromPage(page, parseInt(id, 10), render);
                    }
                  } catch(e) {
                    view.failWith(req, res, "One or more of your shape paramaters is invalid.");
                  }
              },
              ['stream', 'page'],
              function(req,res, stream,page){
                // Stream shape updates =3
                return ps.streamPageUpdates(page, parseInt(stream, 10), render);
              },
              ['page'],
              function(req,res, page){
                // Just lookup the page
                return ps.getPageInfo(page, render);
              },
              [],
              function(rq,rs){
                view.failWith(req, res, "unknown action");
              }
            )
          });

    } catch(e) {
      console.log(e.stack);
      return view.failWith(req, res, "Server error -- please try again");
    }
  }

  var svr = http.createServer(receive);
  svr.listen(conf.port||8002, "0.0.0.0");
  return svr;
};