app.js
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/**
* yohobuy app
* @author: xuqi<qi.xu@yoho.cn>
* @date: 2016/4/25
*/
'use strict';
const config = require('./config/common');
// use one apm
if (config.useOneapm) {
require('oneapm');
}
const express = require('express');
const path = require('path');
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const favicon = require('serve-favicon');
const yohoLib = require('yoho-node-lib');
const session = require('express-session');
const memcached = require('connect-memcached');
const hbs = require('express-handlebars');
const pkg = require('./package.json');
const app = express();
const MemcachedStore = memcached(session);
// 向模板注入变量
app.locals.devEnv = app.get('env') === 'development';
app.locals.version = pkg.version;
// 全局注册library
yohoLib.global(config);
// 指定libray目录
global.middleware = path.resolve('./doraemon/middleware');
global.utils = path.resolve('./utils');
const logger = global.yoho.logger;
app.set('view engine', '.hbs');
app.set('views', './doraemon/views');
app.engine('.hbs', hbs({
extname: '.hbs',
defaultLayout: 'layout',
layoutsDir: './doraemon/views',
partialsDir: './doraemon/views/partial',
helpers: global.yoho.helpers
}));
app.use(favicon(path.join(__dirname, '/public/favicon.ico')));
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
extended: false
}));
app.use(cookieParser());
app.use(session({
proxy: true,
resave: false,
saveUninitialized: true,
unset: 'destroy',
secret: '82dd7e724f2c6870472c89dfa43cf48d',
name: 'yohobuy_session',
cookie: {
domain: 'yohobuy.com',
httpOnly: false
},
store: new MemcachedStore({
hosts: config.memcache.session,
prefix: 'yohobuy_session:'
})
}));
app.use((req, res, next) => {
req.user = {}; // 全局的用户数据
req.yoho = {}; // req和res绑定yoho对象,用于传递全局数据, 如req.yoho.channel等
next();
});
// dispatcher
try {
const user = require('./doraemon/middleware/user');
const setYohoData = require('./doraemon/middleware/set-yoho-data');
const errorHanlder = require('./doraemon/middleware/error-handler');
const setPageInfo = require('./doraemon/middleware/set-pageinfo');
// YOHO 前置中间件
app.use(setYohoData());
app.use(user());
app.use(setPageInfo());
require('./dispatch')(app);
app.all('*', errorHanlder.notFound()); // 404
// YOHO 后置中间件
app.use(errorHanlder.serverError());
} catch (err) {
console.error(err);
logger.error(err);
}
// listener
app.listen(config.port, function() {
logger.info('yohobuy start');
});