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Introduction to Cuba
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Francesco Rodríguez
September 04, 2014
Programming
1
49
Introduction to Cuba
Introduction to Cuba "The Ruby Microframework"
Francesco Rodríguez
September 04, 2014
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Transcript
None
Francesco frodsan@me.com
Cuba (‛ƅ㱼ƅ)‛ Ruby microframework for web development.
ʕ•ᴥ•ʔ ! • Small. • Focused. • Simple. • Stable.
• Rack. • Fast.
require "cuba"! ! Cuba.define do! on "home" do! res.write("Hello Cuba")!
end! end
Rules
Cuba.define do! on "home" do # PATH == "/home"! !
res.write("Hello Cuba")! end! end
Cuba.define do! on "home" do # PATH == "/home"! !
res.write("Hello Cuba")! end! ! on "about" do # PATH == "/about"! ! res.write("About us”)! end! end
Captures
Cuba.define do! on "hello/:name" do |name|! ! res.write("Hello #{ name
}")! end! end! ! # /hello/frodsan => Hello frodsan
Matchers
Cuba.define do! on /hello\/(^[a-zA-Z]+$)/ do |name|! ! res.write("Hello #{ name
}")! end! end! ! # /hello/frodsan => Hello frodsan! # /hello/123 =>
Cuba.define do! on :name do |name|! ! res.write("Hello #{ name
}")! end! end! ! # /frodsan => Hello frodsan! # /123 => Hello 123
Cuba.define do! # Any expression that! # evaluates to `true`.!
on (*) do! ! res.write("Hello Cuba")! end! end
Cuba.define do! # Any expression that! # evaluates to `true`.!
on true do! ! res.write("Hello Cuba")! end! end
Cuba.define do! on false do! ! res.write("⊙﹏⊙")! end! ! on
true do! ! res.write("the winner")! end! end
Cuba.define do! on authenticated? do! # . . .! end!
! on true do! ! res.status = 401! ! res.write("Not authorized")! end! end
Nested Blocks
Cuba.define do! on "posts" do! # /posts/new! on "new" do!
# . . .! end! ! ! ! # /posts/mypost! on :slug do |slug|! ! # . . .! end! end! end
404 (Else)
Cuba.define do! on "posts" do! on "new" do! ! #
. . .! ! # on true do! on default do! res.status = 404! res.write("Not Found")! end! end! end
Helpers
Cuba.define do! on "posts" do! on get do! # METHOD
== GET! end! ! on post do! on param("post") do |post|! end! end! end! end
Composition
class Users < Cuba define do! on "posts" do! on
"new" do! ! # . . .! end! ! on :slug do |slug|! ! # . . .! end! end! end! end
Cuba.define do! on authenticated? do! run(Users)! end! ! on default
do! ! res.status = 401! ! res.write("Not authorized")! end! end
Stack
ʕ•ᴥ•ʔ ! • hache • mote • mote-render • malone
• ohm • ost • rack-protection • requests • scrivener • shield
! on "signup" do! on post, param("user") do |params|! signup
= Signup.new(params)! ! on signup.valid? do! user = User.create(params)! authenticate(user)! ! res.redirect("/dashboard")! end! ! on default do! end! end! end!
! on "posts" do! on post, param("post") do |params|! end!
! on :id do |id|! post = Post[id]! ! on default do! render("post", post: post)! end! end! ! on default do! render("posts")! end! end!
theguidetocuba.io A Getting Started guide (WIP)
github.com/punchgirls/job_board/ An Open Source application.
cuba.is Cuba’s website.
thx <3