Introducing Ruby/MVC/RoR
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Ruby on Rails is a web application framework that follows the model-view-controller (MVC) architecture. It is built on Ruby, an object-oriented programming language. Rails emphasizes conventions over configuration, making common tasks simpler. The framework includes features like ActiveRecord for object-relational mapping, generators for scaffolding code, and plugins for extending functionality. Many large companies use Rails for their web applications.
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Introducing Ruby/MVC/RoR
- 1. Introducing Ruby MVC Framework Ruby on Rails
- 3. Do we need??? Another Language... Another Framework... A new design pattern... Wide range of new tools... ... ... ...
- 5. So let's dive in...
- 9. MVC Applications Browser accesses a “controller” - Centralizes control - Clean separation of content/style - More involved to produce - Easier to maintain and expand
- 10. MVC MVC is an Architectural Design Pattern Separates a web application into three different modules. Model | View | Controller
- 11. MVC Advantages Separation of interests. Model centralizes business logic. View centralizes display logic. Controller centralizes application flow. Clean separation of content/style. Improved decoupling. Easier testing. Allow multiple people to work on different parts.
- 12. RAILS & MVC Rails in an MVC framework ”… Rails is such a framework that tries to remove the complexity and drudgery of MVC, while still allowing you to realize all the benefits.” - DHH (David Heinemeier Hansson)
- 13. Model - ActiveRecord ActiveRecord is a design pattern. (Martin Fowler) Object wraps a row in the database. Encapsulates data access. Contains business logic. Handles relationships. Handles validation.
- 14. View - ActionView Renders the view. Both .rhtml and .rxml files. Provides master layouts. Uses ERb (embedded ruby) for templating and control.
- 15. Controller – ActionController Controls application flow. Controls which view to use. Makes data available as instance variables @var Contains several actions/defs Controls rendering and redirection.
- 16. What it looks like?
- 17. Walk through...
- 18. Folder Structure
- 20. Worth diving. Isn't it?
- 21. Who's using...
- 22. Applications...
- 23. References... http://wiki.rubyonrails.org http://rubyonrails.org http://www.workingwithrails.com http:// www.37signals.com ... ...
- 24. Thanks! Sumanth Krishna. A www.sumanthkrishna.com [email_address]