app.js

'use strict';

//dependencies
var config = require('./config'),
    express = require('express'),
    mongoStore = require('connect-mongo')(express),
    http = require('http'),
    path = require('path'),
    passport = require('passport'),
    mongoose = require('mongoose'),
    helmet = require('helmet'),
    request = require("request"),
    cheerio = require("cheerio"),
    crawler = require("simplecrawler");

//create express app
var app = express();

//keep reference to config
app.config = config;

//setup the web server
app.server = http.createServer(app);

//use MongoDB
if(config.mongodb.uri != '') {
  //setup mongoose
  app.db = mongoose.createConnection(config.mongodb.uri);
  app.db.on('error', console.error.bind(console, 'mongoose connection error: '));
  app.db.once('open', function () {
    //and... we have a data store
  });
  
  //config data models
  require('./models')(app, mongoose);
  
  //setup the session store
  app.sessionStore = new mongoStore({ url: config.mongodb.uri });  
  
}

//config express in all environments
app.configure(function(){
  //settings
  app.disable('x-powered-by');
  app.set('port', config.port);
  app.set('views', __dirname + '/api');
  app.set('view engine', 'jade');
  app.set('strict routing', true);
  app.set('project-name', config.projectName);
  app.set('company-name', config.companyName);
  app.set('system-email', config.systemEmail);
  app.set('crypto-key', config.cryptoKey);
  app.set('require-account-verification', config.requireAccountVerification);

  //smtp settings
  app.set('smtp-from-name', config.smtp.from.name);
  app.set('smtp-from-address', config.smtp.from.address);
  app.set('smtp-credentials', config.smtp.credentials);

  //middleware
  app.use(express.logger('dev'));
  app.use(express.compress());
  app.use(express.static(path.join(__dirname, 'public')));
  app.use(express.urlencoded());
  app.use(express.json());
  app.use(express.methodOverride());
  app.use(express.cookieParser());
  app.use(express.session({
    secret: config.cryptoKey,
    store: app.sessionStore
  }));
  app.use(passport.initialize());
  app.use(passport.session());
  helmet.defaults(app); 
  
  

  //response locals
  app.use(function(req, res, next) {
    res.locals.user = {};
    res.locals.user.defaultReturnUrl = req.user && req.user.defaultReturnUrl();
    res.locals.user.username = req.user && req.user.username;
    next();
  });

  // makeeapi response locals
  app.use(function(req, res, next) {
      res.locals.currentURL = function(path) {
          if (path !== '') path = '/' + path;
          return (req._parsedUrl.path + path).replace('//', '/');
      };
      res.locals.now = function() {
          return new Date().now;
      };
      res.locals.user = req.user;
      next();
  });

  // makeeapi configs
  app.use(function(req, res, next) {
    res.locals.cdnServer = '';
    next();
  });

  //mount the routes
  app.use(app.router);

  //error handler
  app.use(require('./api/http/index').http500);

  //global locals
  app.locals.projectName = app.get('project-name');
  app.locals.copyrightYear = new Date().getFullYear();
  app.locals.copyrightName = app.get('company-name');
  app.locals.cacheBreaker = 'br34k-01';
});

//config express in dev environment
app.configure('development', function(){
  app.use(express.errorHandler());
});


//route requests
require('./routes')(app, passport);

//setup utilities
app.utility = {};
app.utility.sendmail = require('drywall-sendmail');
app.utility.slugify = require('drywall-slugify');
app.utility.workflow = require('drywall-workflow');

//listen up
app.server.listen(app.get('port'), function(){
  
  //爬蟲主程式
  require('./spider')(app, crawler, request, cheerio);
  
});