app.js

'use strict'
var koa = require('koa')
var logger = require('koa-logger')
var serve = require('koa-static')
var session = require('koa-session')
var compress = require('koa-compress')
var responseTime = require('koa-response-time')
var ejsRender = require('koa-ejs')
var flash = require('koa-flash')
var path = require('path')
var config = require('./configs/config.json')
// var auth = require('koa-basic-auth')
var koaBody = require('koa-better-body')
var filters = require('./util/filters')
var methodOverride = require('./util/overRide')
var koa404 = require('./util/koa-404')
var koaError = require('koa-error')

//
var app = koa()
app.use(responseTime())
app.use(serve(path.join(__dirname, '/public')))
app.use(logger())
app.keys = ['node-news-secret-pana']
app.use(session())
app.use(flash())
app.use(koaError({template: __dirname + '/views/error.html'}))
app.use(koa404())
app.use(compress({
    filter: function (content_type) {
        return /text/i.test(content_type)
    },
    threshold: 2048,
    flush: require('zlib').Z_SYNC_FLUSH
}))
ejsRender(app, {
    root: path.join(__dirname, 'views'),
    layout: 'layout',
    viewExt: 'html',
    debug: true,
    cache: false,
    locals: {
        user: function () {
            return this.session.user
        }
    },
    filters: filters
})
// app.use(auth({name: 'pana', pass: 'wang'}))
app.use(koaBody({
    multipart: true,
    formidable: {
      uploadDir: __dirname + '/uploads'
    }
}))
app.use(methodOverride())

// load routes
require('./models/db')  // connect to db
require('./routes')(app)
require('./scripts/spider').start()  // set crawl tasks begin

app.listen(config.port)
console.log('App listen on port ' + config.port)