risotto
Risotto is a VC framework based on koajs. it makes heavy use of es6 harmony features and thus requires node´s **--harmony** flag
Last updated 3 years ago by heythere .
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#Risotto Risotto is a VC framework based on koajs.

##Install Risotto requires redis to run

$ npm install risotto

#Scaffolding Risotto needs a special project structure to run:

app/
	controllers/
	filters/
	modules/
	public/
	views/
	application.js

config/
	production.js
	development.js
	routes.yml

Require Risotto where ever you want and pass the those folders to the initialize method like this: it makes heavy use of es6 harmony features and thus requires node´s --harmony flag

require('risotto').initialize(__dirname);

After calling initialize Risotto will boot up and look up all controllers in /app/controllers. It will bind all routes configured in the /config/routes.yml file for you. Be Aware Risotto will register a global variable named "Risotto".

##Controllers Controllers take the main part in handling incoming requests and processing them.

A controller consists of a group of methods which handle one type of request defined in the route. Example:

module.exports = Risotto.Controller.extend({
	index : function*(params){
		yield this.render("dashboard/index", {user : user });
	}
});

The params object passed to each method contains every parameter that might be passed to the server. In the methods you have access to the following methods:

this.render(pathToView, options = {})

Generator Function which renders and returns a html template at path. Everything into the options object will be available as variable in the template.

this.body =

setter/getter for the response body

###this.status = setter/getter for the response status code

###this.redirect(path) Redirects the Request to path

###this.error(code [, message]) Returns an http error with the given code and optional with the message.

###this.attachment access to the koa attachment method

###this.json access to the koa method json

###this.type access to the koa attribute type

###this.session access to the koa attribute session

###this.request access to the koa request object

###this.response access to the koa response object

##Routes The routes file in the config directory contains all the individual routes to the controllers. It has the following syntax:

routes:
 GET /:username/: Profile.show

###namespacing Routes can be namespaced in the following way:

routes:
 project:
  GET :id-(.+): Project.show

##Application.js

module.exports = Risotto.Application.extend({
	
	// process title
	title: "My Risotto App",
	
	onAuthorizationError : function*(koaContext, next){
		//do something onAuthorizationError
	},

	onNotFoundError : function*(koaContext, next){
		// do something onNotFoundError
	},

	onError : function*(koaContext, next){
		// do something onError
	}
});

##Modules …

##Filters Filters are a way to reuse common controller functionality. We differentiate between beforeFilter which run before the controller and the afterFilter which run after the actual controller. ###Using Filters

Risotto.Controller.extend({
	// calls the `user` and the `authorize` filter before
	beforeFilter: ['user', 'authorize']
})

Risotto.Controller.extend({
	beforeFilter: {
		/* 
		 * calls `user` filter before 
		 * all controller methods
		 */
		user: '*', 

		/*
		 * calls `authorize` filter only 
		 * before protectedMethod
		 */
		authorize: 'protectedMethod',

		/*
		 * calls `foo` filter only 
		 * before protectedMethod and show
		 */
		foo: ['show', 'protectedMethod']
	}
});

###Defining Filters Create a new file in app/filters and call Risotto.before to register a beforeFilter and Risotto.after to register a afterFilter.

Risotto.before('user', function*(){
	if( !this.session || !this.session.user_id ){
		return;
	}
	
	//`this` referes to the controller context
	this.user = yield User.findOne({ id: this.session.user_id });
});
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