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Ruby on Rails Presentation to Agile Atlanta Group Originally presented May 10 ‘05 Obie Fernandez Agile Atlanta Founder / ThoughtWorks Technologist
Introduction ,[object Object],[object Object],[object Object],[object Object]
Presentation Agenda ,[object Object],[object Object],[object Object],[object Object]
Why Ruby? ,[object Object],[object Object],[object Object]
Principles of Ruby ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Principle of Least Surprise ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Principle of Succinctness ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ruby is Truly Object-Oriented ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Some Coding Conventions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Dynamic Programming ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Enough About Ruby! What about Ruby on Rails?
Rails in a Nutshell ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Obligatory Architecture Slide
Demo ,[object Object],[object Object]
Model – View – Controller ,[object Object],[object Object],[object Object]
Model Classes ,[object Object],[object Object],[object Object]
ActiveRecord ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ActiveRecord API ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ActiveRecord Aggregations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ActiveRecord Models are Multi-talented actors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ActiveRecord Associations ,[object Object],[object Object],[object Object]
ActiveRecord Timestamps ,[object Object],[object Object]
ActiveRecord Transactions ,[object Object],# Just database transaction Account.transaction do david.withdrawal(100) mary.deposit(100) end # Object transaction Account.transaction(david, mary) do david.withdrawal(100) mary.deposit(100) end
ActiveRecord vs Hibernate ,[object Object],[object Object]
Rails Logging
ActionController API ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Filters and Request Interception ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
From Controller to View ,[object Object],[object Object],[object Object],[object Object],[object Object]
View Template Approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ERB Example
XmlMarkup Example
Similar to JSP is a Good Thing? ,[object Object],[object Object],[object Object],[object Object],Ruby is an excellent language for view logic (succinct, readable) and Rails is also made out of all Ruby. So there's no longing for a better suited template language and there's no pain relief in misappropriating business logic into the view. - David H. Hansson
Layouts and Partials ,[object Object],[object Object],[object Object],[object Object]
Built-in Caching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Page Caching ,[object Object],[object Object],[object Object],[object Object]
Action Caching ,[object Object],[object Object],[object Object],[object Object]
Fragment Caching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pagination ,[object Object],[object Object],[object Object],[object Object]
Helper Modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Helper Methods Examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Quest for Pretty URLs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
routes.rb ActionController::Routing::Routes.draw do |map| # Priority based on creation: first created -> highest priority # Keep in mind you can assign values other than :controller and :action # You can have the root of your site routed by hooking up '' # just remember to delete public/index.html. map.connect '', :controller => "bakery" map.connect 'query/:guid', :controller => “global", :action=>"query" # Allow downloading Web Service WSDL as a file with an extension map.connect ':controller/service.wsdl', :action => 'wsdl' map.connect ':controller/:action/:id’ # Default end
Rails to the Rescue ,[object Object],[object Object],[object Object],[object Object],[object Object]
ActiveSupport API ,[object Object],[object Object],[object Object],[object Object],[object Object]
ActionMailer API ,[object Object],[object Object],[object Object]
ActionWebService API ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Defining a WebService
Fixtures ,[object Object],[object Object],[object Object]
Unit Testing ,[object Object],[object Object],[object Object]
Rake ,[object Object],[object Object],[object Object],[object Object]
Rails Success Story ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Rails Community ,[object Object],[object Object],[object Object],[object Object]

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Ruby On Rails

  • 1. Ruby on Rails Presentation to Agile Atlanta Group Originally presented May 10 ‘05 Obie Fernandez Agile Atlanta Founder / ThoughtWorks Technologist
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  • 11. Enough About Ruby! What about Ruby on Rails?
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  • 42. routes.rb ActionController::Routing::Routes.draw do |map| # Priority based on creation: first created -> highest priority # Keep in mind you can assign values other than :controller and :action # You can have the root of your site routed by hooking up '' # just remember to delete public/index.html. map.connect '', :controller => "bakery" map.connect 'query/:guid', :controller => “global", :action=>"query" # Allow downloading Web Service WSDL as a file with an extension map.connect ':controller/service.wsdl', :action => 'wsdl' map.connect ':controller/:action/:id’ # Default end
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Notas do Editor

  1. <rdf:RDF xmlns="http://web.resource.org/cc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"> <Work rdf:about=""> <dc:title>Ruby on Rails</dc:title> <dc:date>2005</dc:date> <dc:description>Powerpoint Presentation: Introduction to Ruby and Ruby on Rails given to the Agile Atlanta user group on 5/10/2005 </dc:description> <dc:creator><Agent> <dc:title>Obed Fernandez</dc:title> </Agent></dc:creator> <dc:rights><Agent> <dc:title>Obed Fernandez</dc:title> </Agent></dc:rights> <license rdf:resource="http://creativecommons.org/licenses/by-sa/2.0/" /> </Work> <License rdf:about="http://creativecommons.org/licenses/by-sa/2.0/"> <permits rdf:resource="http://web.resource.org/cc/Reproduction" /> <permits rdf:resource="http://web.resource.org/cc/Distribution" /> <requires rdf:resource="http://web.resource.org/cc/Notice" /> <requires rdf:resource="http://web.resource.org/cc/Attribution" /> <permits rdf:resource="http://web.resource.org/cc/DerivativeWorks" /> <requires rdf:resource="http://web.resource.org/cc/ShareAlike" /> </License> </rdf:RDF>