X-Git-Url: https://git.r.bdr.sh/rbdr/dasein/blobdiff_plain/287fa13b3e600b2340895a5463a288bf08101bb5..f74591da2d5c42b8a1e658d17310e604bedcf856:/lib/dasein.js diff --git a/lib/dasein.js b/lib/dasein.js index 38654a4..5b8486a 100644 --- a/lib/dasein.js +++ b/lib/dasein.js @@ -1,17 +1,29 @@ 'use strict'; const Koa = require('koa'); +const KoaBodyParser = require('koa-bodyparser'); const KoaJwt = require('koa-jwt'); -const KoaStatic = require('koa-static'); const KoaRoute = require('koa-route'); +const KoaSend = require('koa-send'); +const KoaStatic = require('koa-static'); +const Path = require('path'); const AuthHandler = require('./handlers/auth'); +const PostsHandler = require('./handlers/posts'); +const CommentsHandler = require('./handlers/comments'); const internals = {}; internals.k401Location = '/401.html'; internals.kMainLocation = '/'; +/** + * The Dasein class is the main entry point for the application. + * + * @class Dasein + * @param {Dasein.tConfiguration} config the initialization options to + * extend the instance + */ module.exports = internals.Dasein = class Dasein { constructor(config) { @@ -19,6 +31,14 @@ module.exports = internals.Dasein = class Dasein { Object.assign(this, config); } + /** + * Initializes the application and starts listening. Also prints a + * nice robotic banner with information. + * + * @function run + * @memberof Dasein + * @instance + */ run() { this._initializeServer(); @@ -28,15 +48,18 @@ module.exports = internals.Dasein = class Dasein { return Promise.resolve(); } + // Initializes the Koa application and all the handlers. + _initializeServer() { - this._app = Koa(); + const self = this; - this._app.keys = this.cookieKeys; + this._app = Koa(); this._app.use(KoaStatic(this.staticDirectory)); + this._app.use(KoaBodyParser()); - // Redirect all 401s to the 401 static page + // Error handler this._app.use(function * (next) { @@ -44,51 +67,87 @@ module.exports = internals.Dasein = class Dasein { yield next; } catch (err) { - if (err.status === 401) { - return this.redirect(internals.k401Location); + this.status = err.status || 500; + + const response = { + error: err.message, + status: this.status + }; + + if (response.status === 401) { + response.error === 'Protected resource, use Authorization header to get access'; } - throw err; + this.body = response; + + this.app.emit('error', err, this); } }); this._app.use(KoaJwt({ secret: this.jwt.secret, - passthrough: true, - cookie: this.jwt.cookieName + passthrough: true })); - // Handlers for Twitter Auth Related Routes + this._initializeAuthRoutes(); + this._initializePostsRoutes(); + this._initializeCommentsRoutes(); + + this._app.use(function * () { + + yield KoaSend(this, Path.join(self.staticDirectory, 'index.html')); + }); + + } + + // Initialize routes for auth + + _initializeAuthRoutes() { const authHandler = new AuthHandler({ - hostname: this.hostname, jwt: this.jwt, twitter: this.twitter }); - this._app.use(KoaRoute.get('/login', authHandler.login())); - this._app.use(KoaRoute.get('/login-callback', authHandler.callback())); - this._app.use(KoaRoute.get('/logout', authHandler.logout())); + this._app.use(KoaRoute.get('/api/auth/login', authHandler.login())); + this._app.use(KoaRoute.post('/api/auth/callback', authHandler.callback())); + } - // The index + // Initialize routes for posts - this._app.use(function * () { + _initializePostsRoutes() { - if (this.state.user) { - this.body = ` Hello ${this.state.user.screen_name}`; - return; - } + const postsHandler = new PostsHandler({ + ttl: this.ttl, + redis: this.redis + }); + this._app.use(KoaRoute.get('/api/posts', postsHandler.findAll())); + this._app.use(KoaRoute.get('/api/posts/:id', postsHandler.find())); + this._app.use(KoaRoute.post('/api/posts', postsHandler.create())); + this._app.use(KoaRoute.delete('/api/posts/:id', postsHandler.delete())); - this.body = 'Go to /login to login'; - return; + } + + // Initialize routes for comments + + _initializeCommentsRoutes() { + + const commentsHandler = new CommentsHandler({ + ttl: this.ttl, + redis: this.redis }); + this._app.use(KoaRoute.get('/api/posts/:postId/comments', commentsHandler.findAll())); + this._app.use(KoaRoute.post('/api/posts/:postId/comments', commentsHandler.create())); } + // Starts listening + _startServer() { this._app.listen(this.port); } // Prints the banner. + _printBanner() { console.log(' .');