nikola@klica.net
Ruby On Rails
Rails
Ruby On

Magični okvir za izradu
Ruby On Rails
modernih WEB
rješenja
There is no spoon*

Ruby On Rails
Kon'nichi wa,
Ruby
Interpretirani skriptni jezik
Po uzoru na LISP, Smalltalk, Perl i CLU
Agilan i objektno orijentiran
Sve je objekt, čak i slovni podaci
“Kon’nichi wa, Ruby".length # 18
Developer cycles vs CPU cycles

Ruby On Rails
Dva Č
Čista + Čitka sintaksa
class Project < ActiveRecord::Base
belongs_to :portfolio
has_one :project_manager, :class_name => "Person"
has_many :milestones, :dependent => true
has_and_belongs_to_many :categories, :join_table => "cats"
end

Ide vrijeme, dođe rok,
Ruby On Rails
eto vraga
skok na skok!
BaseCamp ekstrakcija
Sredinom 2004. javno dostupna
Krajem 2005. verzija 1.0, uskoro 1.2
Apple s Leopardom distribuira Rails‐e
Adobe Rails SDK for Flex

Ruby On Rails

Ruby On Rails
0 – 100 km/h
1 000 000 downloada Rails‐a do danas
Knjige u izdanju; Pragmatic Bookshelf,
O’Reilly, Adison‐Wesley, Manning,
Apress…

Ruby On Rails
0 – 100 km/h
Basecamp (1 000 000 korisnika)
43things (1 000 000 pageview/day)
Odeo (podcasts)
Blinksale
A List Apart
Fluxiom

Ruby On Rails

Ruby On Rails

Ruby On Rails
0 – 100 km/h
Enterprise:
JPMorgan Chase
Ministry of Legal Affairs of the
Republic of Trinidad and Tobago

Ruby On Rails

"filos" (prijatelj, ljubitelj)
Ruby On Rails
+
"sofia" (mudrost)
DRY
Dogovorom izbjegnuta konfiguracija

Ruby On Rails
“…njena osobnost je toliko
nadmoćna…”
Metaprogramiranje
Dogovorom izbjegnuta konfiguracija
Scaffolding
Ugrađeno testiranje
Tri okoline
MVC
AJAX

Ruby On Rails
Funkcionalno segmentiranje
da nam mozak ne eksplodira
+‐‐‐‐‐‐‐‐‐‐‐‐+
| Model |
+‐‐‐‐‐‐‐‐‐‐‐‐+
/ . /
/ .
/ .
/ .
/ /
+‐‐‐‐‐‐‐‐‐‐‐‐+ <‐‐‐‐‐‐ +‐‐‐‐‐‐‐‐‐‐‐‐+
| View | | Controller |
+‐‐‐‐‐‐‐‐‐‐‐‐+ ......> +‐‐‐‐‐‐‐‐‐‐‐‐+

M
Ruby On Rails
za svaku tablicu u bazi postoji odgovarajuća klasa u
aplikaciji
a = Post.new
a.subject = "Example message“
a.body = "This is an example message.“
a.save
==
INSERT INTO posts (subject, body) VALUES ('Example
message', 'This is an example message.');

V
Ruby On Rails
ERb + HTML = .rhtml
<h1>Studenti</h1>
<ul>
<% for student in @studenti %>
<li>Ime: <%= student.name %></li>
<% end %>
</ul>

C
Ruby On Rails
class GuestBookController < ActionController::Base
def index
@entries = Entry.find(:all)
end
def sign
Entry.create(params[:entry])
redirect_to :action => "index"
end
end
app/views/guestbook/index.rhtml

Kako sam naučio da
Ruby On Rails
ne brinem,
i zavolio Railse
TDD RJS
BDD ‐ RSpec Db integracija
Mongrel Plugins
Capistrano Engines
ActionMailer Globalize
ActionWebService RadRails

Ruby On Rails
http://ruby‐lang.org
http://rubyonrails.com
http://instantrails.rubyforge.org
http://radrails.org
http://softiesonrails.com

Ruby On Rails
WUSH