Rails "M" in "MVC"

Transcript

1. Rails “M” in “MVC” Model NETGURU
2. Who am I? Piotr Jurczynski RoR developer @ netguru
3. Why “I” do the talk? • Fun, fun, fun • promote ruby • workshops - netguru.co/workshops ◦ April, 25-26 - Gdansk ◦ May, 23-24 - Gliwice ◦ June, 27-28 - Krakow
4. Workshops • netguru.co/workshops 2-3 weeks before event • solve special task • have fun at workshops!
5. Ground rules! • no funny pictures, or cats - sorry :( • have a question? Interrupt and ask!
6. Roadmap • What is a model? • Migrations - do’s and dont’s • Validations • Callbacks - just beware • Observers - beware even more! • Associations - just read it • Bonus - ActiveResource And all this with a special example!
7. Special Example - Hearthstone • a card game • a card database • hearthstone_war • bonus - a repository that uses war “API” - hearthstone_war_ui
8. What we will use • Gems: ◦ Rails App Composer ◦ Rspec ◦ shoulda-matchers ◦ FactoryGirl ◦ ActiveResource - Bonus ◦ RailRoady - Bonus • Patterns: ◦ Null Object
9. Handy links • tryruby.org • ruby-warrior • ruby guides • ruby style guide • 7 ways to refactor fat models • when to refactor? • how can I update a model?
10. Handy patterns • Null Objects • Value Objects • Form Objects • Decorator/Presenter (draper) • Services
11. Lessons learned • Rails is just a framework • learn ruby.. • ..no - you should learn programming!
12. Remember! workshops NETGURU
13. Piotr Jurczynski • twitter: Merstzik • gplus: PiotrJurczynski • github: pjurczynski speakerdeck.com/netguru/rails-m-in-mvc alt:speakerdeck.com/pjurczynski/rails-m-in-mvc Thank you! NETGURU