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.bundle | ||
db/*.sqlite3 | ||
log/*.log | ||
tmp/ |
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source 'http://rubygems.org' | ||
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gem 'rails', '3.0.7' | ||
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# Bundle edge Rails instead: | ||
# gem 'rails', :git => 'git://github.com/rails/rails.git' | ||
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gem 'sqlite3' | ||
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# Use unicorn as the web server | ||
# gem 'unicorn' | ||
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# Deploy with Capistrano | ||
# gem 'capistrano' | ||
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# To use debugger (ruby-debug for Ruby 1.8.7+, ruby-debug19 for Ruby 1.9.2+) | ||
# gem 'ruby-debug' | ||
# gem 'ruby-debug19', :require => 'ruby-debug' | ||
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# Bundle the extra gems: | ||
# gem 'bj' | ||
# gem 'nokogiri' | ||
# gem 'sqlite3-ruby', :require => 'sqlite3' | ||
# gem 'aws-s3', :require => 'aws/s3' | ||
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# Bundle gems for the local environment. Make sure to | ||
# put test-only gems in this group so their generators | ||
# and rake tasks are available in development mode: | ||
# group :development, :test do | ||
# gem 'webrat' | ||
# end |
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GEM | ||
remote: http://rubygems.org/ | ||
specs: | ||
abstract (1.0.0) | ||
actionmailer (3.0.7) | ||
actionpack (= 3.0.7) | ||
mail (~> 2.2.15) | ||
actionpack (3.0.7) | ||
activemodel (= 3.0.7) | ||
activesupport (= 3.0.7) | ||
builder (~> 2.1.2) | ||
erubis (~> 2.6.6) | ||
i18n (~> 0.5.0) | ||
rack (~> 1.2.1) | ||
rack-mount (~> 0.6.14) | ||
rack-test (~> 0.5.7) | ||
tzinfo (~> 0.3.23) | ||
activemodel (3.0.7) | ||
activesupport (= 3.0.7) | ||
builder (~> 2.1.2) | ||
i18n (~> 0.5.0) | ||
activerecord (3.0.7) | ||
activemodel (= 3.0.7) | ||
activesupport (= 3.0.7) | ||
arel (~> 2.0.2) | ||
tzinfo (~> 0.3.23) | ||
activeresource (3.0.7) | ||
activemodel (= 3.0.7) | ||
activesupport (= 3.0.7) | ||
activesupport (3.0.7) | ||
arel (2.0.10) | ||
builder (2.1.2) | ||
erubis (2.6.6) | ||
abstract (>= 1.0.0) | ||
i18n (0.5.0) | ||
mail (2.2.19) | ||
activesupport (>= 2.3.6) | ||
i18n (>= 0.4.0) | ||
mime-types (~> 1.16) | ||
treetop (~> 1.4.8) | ||
mime-types (1.16) | ||
polyglot (0.3.1) | ||
rack (1.2.3) | ||
rack-mount (0.6.14) | ||
rack (>= 1.0.0) | ||
rack-test (0.5.7) | ||
rack (>= 1.0) | ||
rails (3.0.7) | ||
actionmailer (= 3.0.7) | ||
actionpack (= 3.0.7) | ||
activerecord (= 3.0.7) | ||
activeresource (= 3.0.7) | ||
activesupport (= 3.0.7) | ||
bundler (~> 1.0) | ||
railties (= 3.0.7) | ||
railties (3.0.7) | ||
actionpack (= 3.0.7) | ||
activesupport (= 3.0.7) | ||
rake (>= 0.8.7) | ||
thor (~> 0.14.4) | ||
rake (0.9.2) | ||
sqlite3 (1.3.3) | ||
thor (0.14.6) | ||
treetop (1.4.9) | ||
polyglot (>= 0.3.1) | ||
tzinfo (0.3.27) | ||
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PLATFORMS | ||
ruby | ||
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DEPENDENCIES | ||
rails (= 3.0.7) | ||
sqlite3 |
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== Welcome to Rails | ||
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Rails is a web-application framework that includes everything needed to create | ||
database-backed web applications according to the Model-View-Control pattern. | ||
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This pattern splits the view (also called the presentation) into "dumb" | ||
templates that are primarily responsible for inserting pre-built data in between | ||
HTML tags. The model contains the "smart" domain objects (such as Account, | ||
Product, Person, Post) that holds all the business logic and knows how to | ||
persist themselves to a database. The controller handles the incoming requests | ||
(such as Save New Account, Update Product, Show Post) by manipulating the model | ||
and directing data to the view. | ||
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In Rails, the model is handled by what's called an object-relational mapping | ||
layer entitled Active Record. This layer allows you to present the data from | ||
database rows as objects and embellish these data objects with business logic | ||
methods. You can read more about Active Record in | ||
link:files/vendor/rails/activerecord/README.html. | ||
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The controller and view are handled by the Action Pack, which handles both | ||
layers by its two parts: Action View and Action Controller. These two layers | ||
are bundled in a single package due to their heavy interdependence. This is | ||
unlike the relationship between the Active Record and Action Pack that is much | ||
more separate. Each of these packages can be used independently outside of | ||
Rails. You can read more about Action Pack in | ||
link:files/vendor/rails/actionpack/README.html. | ||
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== Getting Started | ||
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1. At the command prompt, create a new Rails application: | ||
<tt>rails new myapp</tt> (where <tt>myapp</tt> is the application name) | ||
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2. Change directory to <tt>myapp</tt> and start the web server: | ||
<tt>cd myapp; rails server</tt> (run with --help for options) | ||
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3. Go to http://localhost:3000/ and you'll see: | ||
"Welcome aboard: You're riding Ruby on Rails!" | ||
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4. Follow the guidelines to start developing your application. You can find | ||
the following resources handy: | ||
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* The Getting Started Guide: http://guides.rubyonrails.org/getting_started.html | ||
* Ruby on Rails Tutorial Book: http://www.railstutorial.org/ | ||
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== Debugging Rails | ||
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Sometimes your application goes wrong. Fortunately there are a lot of tools that | ||
will help you debug it and get it back on the rails. | ||
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First area to check is the application log files. Have "tail -f" commands | ||
running on the server.log and development.log. Rails will automatically display | ||
debugging and runtime information to these files. Debugging info will also be | ||
shown in the browser on requests from 127.0.0.1. | ||
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You can also log your own messages directly into the log file from your code | ||
using the Ruby logger class from inside your controllers. Example: | ||
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class WeblogController < ActionController::Base | ||
def destroy | ||
@weblog = Weblog.find(params[:id]) | ||
@weblog.destroy | ||
logger.info("#{Time.now} Destroyed Weblog ID ##{@weblog.id}!") | ||
end | ||
end | ||
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The result will be a message in your log file along the lines of: | ||
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Mon Oct 08 14:22:29 +1000 2007 Destroyed Weblog ID #1! | ||
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More information on how to use the logger is at http://www.ruby-doc.org/core/ | ||
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Also, Ruby documentation can be found at http://www.ruby-lang.org/. There are | ||
several books available online as well: | ||
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* Programming Ruby: http://www.ruby-doc.org/docs/ProgrammingRuby/ (Pickaxe) | ||
* Learn to Program: http://pine.fm/LearnToProgram/ (a beginners guide) | ||
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These two books will bring you up to speed on the Ruby language and also on | ||
programming in general. | ||
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== Debugger | ||
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Debugger support is available through the debugger command when you start your | ||
Mongrel or WEBrick server with --debugger. This means that you can break out of | ||
execution at any point in the code, investigate and change the model, and then, | ||
resume execution! You need to install ruby-debug to run the server in debugging | ||
mode. With gems, use <tt>sudo gem install ruby-debug</tt>. Example: | ||
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class WeblogController < ActionController::Base | ||
def index | ||
@posts = Post.find(:all) | ||
debugger | ||
end | ||
end | ||
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So the controller will accept the action, run the first line, then present you | ||
with a IRB prompt in the server window. Here you can do things like: | ||
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>> @posts.inspect | ||
=> "[#<Post:0x14a6be8 | ||
@attributes={"title"=>nil, "body"=>nil, "id"=>"1"}>, | ||
#<Post:0x14a6620 | ||
@attributes={"title"=>"Rails", "body"=>"Only ten..", "id"=>"2"}>]" | ||
>> @posts.first.title = "hello from a debugger" | ||
=> "hello from a debugger" | ||
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...and even better, you can examine how your runtime objects actually work: | ||
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>> f = @posts.first | ||
=> #<Post:0x13630c4 @attributes={"title"=>nil, "body"=>nil, "id"=>"1"}> | ||
>> f. | ||
Display all 152 possibilities? (y or n) | ||
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Finally, when you're ready to resume execution, you can enter "cont". | ||
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== Console | ||
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The console is a Ruby shell, which allows you to interact with your | ||
application's domain model. Here you'll have all parts of the application | ||
configured, just like it is when the application is running. You can inspect | ||
domain models, change values, and save to the database. Starting the script | ||
without arguments will launch it in the development environment. | ||
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To start the console, run <tt>rails console</tt> from the application | ||
directory. | ||
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Options: | ||
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* Passing the <tt>-s, --sandbox</tt> argument will rollback any modifications | ||
made to the database. | ||
* Passing an environment name as an argument will load the corresponding | ||
environment. Example: <tt>rails console production</tt>. | ||
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To reload your controllers and models after launching the console run | ||
<tt>reload!</tt> | ||
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More information about irb can be found at: | ||
link:http://www.rubycentral.com/pickaxe/irb.html | ||
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== dbconsole | ||
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You can go to the command line of your database directly through <tt>rails | ||
dbconsole</tt>. You would be connected to the database with the credentials | ||
defined in database.yml. Starting the script without arguments will connect you | ||
to the development database. Passing an argument will connect you to a different | ||
database, like <tt>rails dbconsole production</tt>. Currently works for MySQL, | ||
PostgreSQL and SQLite 3. | ||
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== Description of Contents | ||
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The default directory structure of a generated Ruby on Rails application: | ||
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|-- app | ||
| |-- controllers | ||
| |-- helpers | ||
| |-- mailers | ||
| |-- models | ||
| `-- views | ||
| `-- layouts | ||
|-- config | ||
| |-- environments | ||
| |-- initializers | ||
| `-- locales | ||
|-- db | ||
|-- doc | ||
|-- lib | ||
| `-- tasks | ||
|-- log | ||
|-- public | ||
| |-- images | ||
| |-- javascripts | ||
| `-- stylesheets | ||
|-- script | ||
|-- test | ||
| |-- fixtures | ||
| |-- functional | ||
| |-- integration | ||
| |-- performance | ||
| `-- unit | ||
|-- tmp | ||
| |-- cache | ||
| |-- pids | ||
| |-- sessions | ||
| `-- sockets | ||
`-- vendor | ||
`-- plugins | ||
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app | ||
Holds all the code that's specific to this particular application. | ||
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app/controllers | ||
Holds controllers that should be named like weblogs_controller.rb for | ||
automated URL mapping. All controllers should descend from | ||
ApplicationController which itself descends from ActionController::Base. | ||
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app/models | ||
Holds models that should be named like post.rb. Models descend from | ||
ActiveRecord::Base by default. | ||
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app/views | ||
Holds the template files for the view that should be named like | ||
weblogs/index.html.erb for the WeblogsController#index action. All views use | ||
eRuby syntax by default. | ||
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app/views/layouts | ||
Holds the template files for layouts to be used with views. This models the | ||
common header/footer method of wrapping views. In your views, define a layout | ||
using the <tt>layout :default</tt> and create a file named default.html.erb. | ||
Inside default.html.erb, call <% yield %> to render the view using this | ||
layout. | ||
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app/helpers | ||
Holds view helpers that should be named like weblogs_helper.rb. These are | ||
generated for you automatically when using generators for controllers. | ||
Helpers can be used to wrap functionality for your views into methods. | ||
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config | ||
Configuration files for the Rails environment, the routing map, the database, | ||
and other dependencies. | ||
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db | ||
Contains the database schema in schema.rb. db/migrate contains all the | ||
sequence of Migrations for your schema. | ||
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doc | ||
This directory is where your application documentation will be stored when | ||
generated using <tt>rake doc:app</tt> | ||
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lib | ||
Application specific libraries. Basically, any kind of custom code that | ||
doesn't belong under controllers, models, or helpers. This directory is in | ||
the load path. | ||
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public | ||
The directory available for the web server. Contains subdirectories for | ||
images, stylesheets, and javascripts. Also contains the dispatchers and the | ||
default HTML files. This should be set as the DOCUMENT_ROOT of your web | ||
server. | ||
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script | ||
Helper scripts for automation and generation. | ||
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test | ||
Unit and functional tests along with fixtures. When using the rails generate | ||
command, template test files will be generated for you and placed in this | ||
directory. | ||
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vendor | ||
External libraries that the application depends on. Also includes the plugins | ||
subdirectory. If the app has frozen rails, those gems also go here, under | ||
vendor/rails/. This directory is in the load path. |
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# Add your own tasks in files placed in lib/tasks ending in .rake, | ||
# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake. | ||
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require File.expand_path('../config/application', __FILE__) | ||
require 'rake' | ||
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Seymour::Application.load_tasks |
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class ApplicationController < ActionController::Base | ||
protect_from_forgery | ||
end |
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