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1 Wednesday, April 24, 13

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Introduction to 1 Wednesday, April 24, 13

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About Me • Name: Sumeet Singh • @ortuna • github.com/ortuna • Ruby/Rails Developer 2 Wednesday, April 24, 13

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What is Padrino(quick version) Sinatra Helpers Generators Rake Tasks Console Mailer Admin Cache Multi-apps Sub Apps 3 Wednesday, April 24, 13

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What is Sinatra? • Micro-framework • DSL for quickly creating web applications • Does not include: • Database interaction • Helpers • Luxuries 4 Wednesday, April 24, 13

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Still Packs a Punch • Render • Templates (haml, erb, liquid) • Layouts • URL-matching patterns • before/after filters 5 Wednesday, April 24, 13

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Example Sinatra App 6 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra HTTP Verb $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra HTTP Verb Path $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra HTTP Verb Path Return Value $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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#hi.rb require 'sinatra' get '/hi' do "Hello World!" end $ gem install sinatra HTTP Verb Path Return Value $ ruby hi.rb $ curl http://localhost:4567/hi 7 Wednesday, April 24, 13

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What is Padrino? • Web framework built on top of Sinatra • Adds: Routing, Helpers, Mailer, Caching, Admin interface, Localization, and more... • Has a standard library of tools for Sinatra • “Structured Sinatra” 8 Wednesday, April 24, 13

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#hi.rb require 'sinatra' .... get '/hi' do .... "Hello World!" end Many different ways to append features 9 Wednesday, April 24, 13

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#hi.rb require 'sinatra' .... get '/hi' do .... "Hello World!" end Many different ways to append features many approaches many approaches 9 Wednesday, April 24, 13

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Padrino is Mix and Match 10 Wednesday, April 24, 13

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Padrino is Mix and Match • mongoid • activerecord • datamapper • sequel • ohm • more... Persistence 10 Wednesday, April 24, 13

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Padrino is Mix and Match • mongoid • activerecord • datamapper • sequel • ohm • more... Persistence • minitest • bacon • rspec • shoulda • cucumber • more... Testing 10 Wednesday, April 24, 13

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Padrino is Mix and Match • mongoid • activerecord • datamapper • sequel • ohm • more... Persistence • minitest • bacon • rspec • shoulda • cucumber • more... Testing Templating • erb • haml • slim • liquid • more... 10 Wednesday, April 24, 13

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Padrino is Mix and Match • mongoid • activerecord • datamapper • sequel • ohm • more... Persistence • minitest • bacon • rspec • shoulda • cucumber • more... Testing Templating • erb • haml • slim • liquid • more... css javascript mocking 10 Wednesday, April 24, 13

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Installing Padrino 11 Wednesday, April 24, 13

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Installing Padrino • # gem install padrino 11 Wednesday, April 24, 13

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Installing Padrino • # gem install padrino • # padrino g project myapp -d datamapper 11 Wednesday, April 24, 13

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Installing Padrino • # gem install padrino • # padrino g project myapp -d datamapper • # cd myapp 11 Wednesday, April 24, 13

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Installing Padrino • # gem install padrino • # padrino g project myapp -d datamapper • # cd myapp • # padrino start 11 Wednesday, April 24, 13

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Installing Padrino • # gem install padrino • # padrino g project myapp -d datamapper • # cd myapp • # padrino start => Padrino/0.11.0 has taken the stage development at http://127.0.0.1:3000 [2013-04-21 20:48:07] INFO WEBrick 1.3.1 [2013-04-21 20:48:07] INFO ruby 2.0.0 (2013-02-24) [x86_64-darwin12.2.1] [2013-04-21 20:48:07] INFO WEBrick::HTTPServer#start: pid=12867 port=3000 11 Wednesday, April 24, 13

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Important Files & Folders 12 Wednesday, April 24, 13

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App Structure !"" app # !"" controllers # !"" helpers # $"" views # $"" layouts !"" config !"" public # !"" images # !"" javascripts # $"" stylesheets $"" tmp 13 Wednesday, April 24, 13

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App Structure !"" app # !"" controllers # !"" helpers # $"" views # $"" layouts !"" config !"" public # !"" images # !"" javascripts # $"" stylesheets $"" tmp 13 Wednesday, April 24, 13

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App Structure !"" app # !"" controllers # !"" helpers # $"" views # $"" layouts !"" config !"" public # !"" images # !"" javascripts # $"" stylesheets $"" tmp 13 Wednesday, April 24, 13

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Gemfile 14 Wednesday, April 24, 13

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Rakefile 15 Wednesday, April 24, 13

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Auto Loaded Paths 16 Wednesday, April 24, 13

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Auto Loaded Paths • ./lib 16 Wednesday, April 24, 13

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Auto Loaded Paths • ./lib • ./models 16 Wednesday, April 24, 13

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Auto Loaded Paths • ./lib • ./models • ./shared/lib 16 Wednesday, April 24, 13

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Auto Loaded Paths • ./lib • ./models • ./shared/lib • ./shared/models 16 Wednesday, April 24, 13

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Auto Loaded Paths • ./lib • ./models • ./shared/lib • ./shared/models • ./#{app}/models (multi-apps) 16 Wednesday, April 24, 13

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Auto Loaded Paths • ./lib • ./models • ./shared/lib • ./shared/models • ./#{app}/models (multi-apps) • ... 16 Wednesday, April 24, 13

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config/boot.rb 17 Wednesday, April 24, 13

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config/boot.rb • Usually contains: 17 Wednesday, April 24, 13

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config/boot.rb • Usually contains: • Debug logging on/off 17 Wednesday, April 24, 13

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config/boot.rb • Usually contains: • Debug logging on/off • before_load / after_load 17 Wednesday, April 24, 13

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config/boot.rb • Usually contains: • Debug logging on/off • before_load / after_load • load any prerequisites 17 Wednesday, April 24, 13

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config/boot.rb • Usually contains: • Debug logging on/off • before_load / after_load • load any prerequisites • Padrino.require_dependencies("path/one/**/*.rb") 17 Wednesday, April 24, 13

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config/boot.rb • Usually contains: • Debug logging on/off • before_load / after_load • load any prerequisites • Padrino.require_dependencies("path/one/**/*.rb") • ... 17 Wednesday, April 24, 13

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config/apps.rb 18 Wednesday, April 24, 13

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config/apps.rb • Usually contains: 18 Wednesday, April 24, 13

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config/apps.rb • Usually contains: • Site wide configs 18 Wednesday, April 24, 13

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config/apps.rb • Usually contains: • Site wide configs • session_secret, csrf, etc... 18 Wednesday, April 24, 13

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config/apps.rb • Usually contains: • Site wide configs • session_secret, csrf, etc... • mounts each app 18 Wednesday, April 24, 13

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config/apps.rb • Usually contains: • Site wide configs • session_secret, csrf, etc... • mounts each app • ... 18 Wednesday, April 24, 13

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config/database.rb 19 Wednesday, April 24, 13

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./tmp 20 Wednesday, April 24, 13

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./tmp • Used for: 20 Wednesday, April 24, 13

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./tmp • Used for: • Temp use with tests 20 Wednesday, April 24, 13

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./tmp • Used for: • Temp use with tests • Cache 20 Wednesday, April 24, 13

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./tmp • Used for: • Temp use with tests • Cache • Anything with: 20 Wednesday, April 24, 13

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./tmp • Used for: • Temp use with tests • Cache • Anything with: • tmp_location = Padrino.root(‘tmp’) 20 Wednesday, April 24, 13

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./tmp • Used for: • Temp use with tests • Cache • Anything with: • tmp_location = Padrino.root(‘tmp’) • ... 20 Wednesday, April 24, 13

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./tmp • Used for: • Temp use with tests • Cache • Anything with: • tmp_location = Padrino.root(‘tmp’) • ... 20 Wednesday, April 24, 13

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./public 21 Wednesday, April 24, 13

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./public • Used for assets 21 Wednesday, April 24, 13

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./public • Used for assets • Can use for packaging: 21 Wednesday, April 24, 13

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./public • Used for assets • Can use for packaging: • sinatra-assetpack 21 Wednesday, April 24, 13

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./public • Used for assets • Can use for packaging: • sinatra-assetpack • sprockets 21 Wednesday, April 24, 13

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./public • Used for assets • Can use for packaging: • sinatra-assetpack • sprockets • ... 21 Wednesday, April 24, 13

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App Structure !"" app # !"" controllers # !"" helpers # $"" views # $"" layouts !"" config !"" public # !"" images # !"" javascripts # $"" stylesheets $"" tmp 22 Wednesday, April 24, 13

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./app/app.rb ./#{app_name}/app.rb 23 Wednesday, April 24, 13

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./app/app.rb ./#{app_name}/app.rb • Usually contains: 23 Wednesday, April 24, 13

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./app/app.rb ./#{app_name}/app.rb • Usually contains: • Overall app configuration 23 Wednesday, April 24, 13

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./app/app.rb ./#{app_name}/app.rb • Usually contains: • Overall app configuration • enable/disable options 23 Wednesday, April 24, 13

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./app/app.rb ./#{app_name}/app.rb • Usually contains: • Overall app configuration • enable/disable options • register helpers 23 Wednesday, April 24, 13

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./app/app.rb ./#{app_name}/app.rb • Usually contains: • Overall app configuration • enable/disable options • register helpers • ... 23 Wednesday, April 24, 13

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Controllers (and router) 24 Wednesday, April 24, 13

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Myapp::App.controllers do get :index do ... end get ‘/about’ do ... end end #app/controllers/example.rb route to /about 25 Wednesday, April 24, 13

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Myapp::App.controllers do get :index do ... end get ‘/about’ do ... end end #app/controllers/example.rb Context route to /about 25 Wednesday, April 24, 13

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Myapp::App.controllers do get :index do ... end get ‘/about’ do ... end end #app/controllers/example.rb Context route to /about route to / 25 Wednesday, April 24, 13

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Named Routes & Params 26 Wednesday, April 24, 13

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get :index, :with => :id do /5 /xyz Named Routes & Params 26 Wednesday, April 24, 13

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get :index, :with => :id do /5 /xyz get ‘/:id’ do # /my_id # params[:id] => my_id Named Routes & Params 26 Wednesday, April 24, 13

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get :index, :with => :id do /5 /xyz get ‘/:id’ do # /my_id # params[:id] => my_id Named Routes & Params #url_for(:index, 5) => /5 #url_for(:admin, :show) => /admin/show In views: 26 Wednesday, April 24, 13

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Myapp::App.controllers :admin do get :index do ... end get :index, :with => :id do “request id #{params[:id]}” end end #app/controllers/admin.rb Named Routes 27 Wednesday, April 24, 13

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Mounted Apps 28 Wednesday, April 24, 13

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Mounted Apps A Simple way to have multiple applications within the same project. 28 Wednesday, April 24, 13

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Mounted Apps • More testable • More readable • Changable A Simple way to have multiple applications within the same project. 28 Wednesday, April 24, 13

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Add a Blog 29 Wednesday, April 24, 13

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!"" app # !"" controllers # !"" helpers # $"" views # $"" layouts !"" blog # !"" controllers # !"" models !"" shared # !"" models # !"" lib !"" config !"" public # !"" images # !"" javascripts # $"" stylesheets $"" tmp 30 Wednesday, April 24, 13

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Config/apps.rb 31 Wednesday, April 24, 13

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blog_path = Padrino.root('blog/app.rb') Padrino.mount('Myapp::Blog', :app_file => blog_path).to('/blog') Config/apps.rb 31 Wednesday, April 24, 13

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blog_path = Padrino.root('blog/app.rb') Padrino.mount('Myapp::Blog', :app_file => blog_path).to('/blog') Config/apps.rb Easy way: padrino-gen app blog 31 Wednesday, April 24, 13

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blog_path = Padrino.root('blog/app.rb') Padrino.mount('Myapp::Blog', :app_file => blog_path).to('/blog') Config/apps.rb Easy way: padrino-gen app blog create blog create blog/app.rb create blog/controllers create blog/helpers create blog/views create blog/views/layouts create public/blog append config/apps.rb 31 Wednesday, April 24, 13

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Why Use Padrino? 32 Wednesday, April 24, 13

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Questions? 33 Wednesday, April 24, 13