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Blog site Koa
/**
* Module dependencies.
*/
var render = require('./lib/render');
var logger = require('koa-logger');
var route = require('koa-route');
var views = require('co-views');
var parse = require('co-body');
var koa = require('koa');
var app = koa();
// "database"
var posts = [];
// middleware
app.use(logger());
// route middleware
app.use(route.get('/', list));
app.use(route.get('/post/new', add));
app.use(route.get('/post/:id', show));
app.use(route.post('/post', create));
// route definitions
/**
* Post listing.
*/
function *list() {
this.body = yield render('list', { posts: posts });
}
/**
* Show creation form.
*/
function *add() {
this.body = yield render('new');
}
/**
* Show post :id.
*/
function *show(id) {
var post = posts[id];
if (!post) this.throw(404, 'invalid post id');
this.body = yield render('show', { post: post });
}
/**
* Create a post.
*/
function *create() {
var post = yield parse(this);
var id = posts.push(post) - 1;
post.created_at = new Date;
post.id = id;
this.redirect('/');
}
// listen
app.listen(3000);
console.log('listening on port 3000');
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