Intro to Rails
- 1. Agile Web Developmentwith Rails (for 3.1)Ya, that book@LVRUG - Jeremy Woertink
- 2. What is "Rails" you ask?"Ruby on Rails is a framework that makes it easier to develop, deploy, and maintain web applications.""Rails applications are written in Ruby, a modern, object-oriented scripting language."
- 3. What is "Rails" you ask?Web Development Framework
- 7. RESTful
- 8. Agile
- 9. Clean more info given in the Introduction section
- 10. Who uses it?
- 11. Websites on RailsYellow Pages
- 12. Groupon
- 13. Living Social
- 14. Github
- 15. Funny or Die!
- 16. Pololu
- 17. Cardplayer
- 18. ScripSmart
- 19. and lots of Russ's pr0n....Where's the start button?
- 20. InstallationYou're in luck, it's a gem! :)$ sudo gem install railssudo may not be needed...
- 21. ChecklistKnow what it is? CHECKChecklistKnow what it is? CHECK
- 22. Know who uses it? CHECKChecklistKnow what it is? CHECK
- 23. Know who uses it? CHECK
- 24. Know where to get it? CHECKChecklistKnow what it is? CHECK
- 25. Know who uses it? CHECK
- 26. Know where to get it? CHECK
- 27. Know how to use it? NOPE. Chuck TestaGettin' REAL dirty$ cd websiteswebsites$ rails new demo create lots of stuffrun bundle install Fetching source index for http://rubygems.org/Your bundle is complete!websites$ cd demodemo$ rails server=> Booting WEBrick => Rails 3.1.0 application starting in development on http://0.0.0.0:3000
- 29. Hello, Rails!demo$ rails generate controller Say hello goodbyecreate more stuff...invoke thingsroute whatever
- 30. Hello, Rails!demo$ rails generate controller Say hello goodbyecreate more stuff...invoke thingsroute whateverVisit http://localhost:3000/say/hello
- 31. ZOMG! What happened?created "SayController"
- 33. created views for "say"
- 36. updated routes with "say" routes
- 37. config/routes.rb
- 38. created other super secret squirrel stuff (i.e. assets, tests, helper)app/controllers/say_controller.rbclassSayController < ApplicationControllerdefhelloenddefgoodbye endend
- 40. app/views/say/hello.html.erbsay - The name of the controller
- 41. hello - The name of the action
- 42. html - The end format we want
- 43. js, xml, text...
- 44. erb - The ruby templating system
- 45. haml, slim, mustache, liquid...app/views/say/hello.html.erb<h1>Say#hello</h1><p>Find me in app/views/say/hello.html.erb</p>
- 46. app/views/say/hello.html.erb<h1>Hello from Rails!</h1><p>It is now <%= Time.now %></p>
- 48. app/controllers/say_controller.rbclassSayController < ApplicationControllerdefhello@time =Time.nowenddefgoodbye endend
- 49. app/views/say/hello.html.erb<h1>Hello from Rails!</h1><p>It is now <%= @time %></p>
- 51. app/views/say/hello.html.erb<h1>Hello from Rails!</h1><p>It is now <%= @time %></p><p>Time to say<%= link_to("Goodbye", say_goodbye_path) %>!</p>
- 53. app/views/say/goodbye.html.erb<h1>Say#goodbye</h1><p>Find me in app/views/say/goodbye.html.erb</p>
- 54. app/views/say/goodbye.html.erb<h1>Beer time?</h1><blink>Holla atchya boy!</blink><span>Say<%= link_to("Hello", say_hello_path) %> again.</span>
- 55. app/views/say/goodbye.html.erb<h1>Beer time?</h1><blink>Holla atchya boy!</blink><span>Say<%= link_to("Hello", say_hello_path) %> again.</span>ahh yeah, you love the blink tag don't ya!
- 57. Created a new application
- 58. Generated controller and views