server.js

var express = require('express'),
    ent = require('ent'),
    http = require('http'),
    moment = require('moment'),
    cradle = require('cradle');

var app = express(),
    now = moment();
    couch = new(cradle.Connection)().database('pastemeit');

app.enable('trust proxy');
app.configure(function() {
  app.use(express.logger());
  app.use(express.compress());
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(app.router);
  app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
});
app.get('/api', function (req,res) {
  res.send({'here': 'what are you doing'}, 403);
});
app.get('/api/:id', function(req, res) {
  if(req.params.id) {
    couch.get(req.params.id, function (err,doc) {
      if(err){
        response = { 'error': 'Not found' };
        res.send(response);
      }
      response = { 
	'id': req.params.id, 
	'body': doc.paste.content, 
	'master': doc.paste.master ? doc.paste.master : null,
	'date': doc.paste.date,
        'forks': doc.paste.forks ? doc.paste.forks : null
      };
      res.send(response, 200);
    });
  }
  else {
    response = { 'error': 'Not found' };
    res.send(response);
  }
});

app.post('/api', function (req, res) {
  if(req.body.paste) {
    re = req.body.paste;
    if(re.content.length > 0) {
      paste = {
        'content': ent.encode(re.content),
        'source': req.ip,
        'headers': req.headers,
        'date': Date.now(),
        'master': re.master ? re.master : null
      };
      couch.save('', { 'paste': paste }, function (err, response) {
        if (err) {
          res.send({'error': 'Failed to save', 'message': err}, 500);
        }
        res.send({'id': response.id, 'content': paste.content }, 200);
        if (paste.master != null) {
          couch.get(paste.master, function (err,doc) {
            if (err) { console.log(err); };
            if ((doc.paste.forks instanceof Array) && doc.paste.forks != undefined) {
              doc.paste.forks.push(response.id);
              couch.save(paste.master, doc, function (err, data) {
                if(err) { console.log(err); };
              });
            }
            else {
	      doc.paste.forks = [response.id];
              couch.save(paste.master, doc, function (err, data) {
                if(err) { console.log(err); };
              });
            }
          });
        }
      });
    }
    else {
      res.send({'error': 'Malformed request.'}, 505);
    }
  }
  else {
     res.send({'error': 'Invalid request.'}, 505);
  }
});

http.createServer(app).listen('9999', function(){
  console.log("Express server listening on port 9999");
});