Getting Started with Ruby on Rails

Transcript

1. GETTING STARTED WITH
   RUBY ON RAILS
   

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2. @rebagliatte
   Vero Rebagliatte
   

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3. Forecast
   1. What’s ROR?
   2. The rails way
   3. Example app
   

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4. What’s ROR?
   

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5. It’s a framework
   

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6. Was created by DHH
   

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7. Lowers the barrier to start programming in Ruby
   

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8. Opinionated
   

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9. The Rails Way
   

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10. Be DRY, don’t repeat yourself
    

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11. Prefer convention over configuration
    

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12. Be RESTful
    

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13. REST uses operations of the HTTP protocol
    

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14. REST
    GET
    PUT
    POST
    PATCH
    DELETE
    SOAP
    getUsers()
    getNewUsersSince()
    savePurchaseOrder()
    getUser()
    addUser()
    removeUser()
    updateUser()
    getLocation()
    

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15. REST uses resources
    

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16. http://myblog.com/posts/
    GET
    PUT
    POST
    DELETE
    http://myblog.com/posts/1
    GET
    PUT
    POST
    DELETE
    }
    }
    

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17. Blog::Application.routes.draw do
    resources :posts
    end
    config/routes.rb
    

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18. Use the MVC (Model View Controller) Pattern
    

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20. class Post < ActiveRecord::Base
    attr_accessible :content, :name, :title
    has_many :commenters
    validates :title, presence: true
    end
    app/models/post.rb
    

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21. Post <%= @post.title %>
    <%= @post.content %>
    <%= link_to 'Edit', edit_post_path(@post) %>
    <%= link_to 'Back', posts_path %>
    app/views/posts/show.rb
    

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22. class PostsController < ApplicationController
    def new
    @post = Post.new
    end
    def create
    @post = Post.new(params[:post])
    if @post.save
    redirect_to @post, notice: 'Post created!'
    else
    render action: :new
    end
    end
    end app/controllers/posts_controller.rb
    

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24. Package your code for reuse
    

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25. source 'https://rubygems.org'
    gem 'rails', '3.2.13'
    gem 'sqlite3'
    group :assets do
    gem 'sass-rails', '~> 3.2.3'
    gem 'coffee-rails', '~> 3.2.1'
    gem 'uglifier', '>= 1.0.3'
    end
    gem 'jquery-rails'
    Gemfile
    

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26. Be fast by default with the Asset Pipeline
    

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28. app/assets
    assets from the current application
    lib/assets
    your own libraries, shared across applications
    vendor/assets
    third party assets(js plugins, css frameworks)
    

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29. PRECOMPILE
    

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31. CONCATENATE
    

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33. application.css application.js logo.jpg
    application-908e25f4bf641
    868d8683022a5b62f54.css
    application-908e25f4bf641
    868d8683022a5b62f54.js
    logo-908e25f4bf641868d8
    683022a5b62f54.jpg
    ADD MD5 FINGERPRINT
    

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34. COMPRESS
    

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35. More
    

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36. Internationalize your app
    

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37. Use generators
    

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38. Example App
    

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40. Thanks!
    @rebagliatte
    

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