serek

This example shows how to setup an environment running Rails 3 beta under 1.9.1 with a 'rails3' gem set.

∴ rvm update --head
# ((Open a new shell))

# If you do not already have the ruby interpreter installed, install it:
∴ rvm install 1.9.1 

# Use the ruby + gem set
∴ rvm 1.9.1%rails3

serek

module ApplicationHelper

  # Access Levels
  ACCESS_LEVELS = { :private => 0, :friends => 1, :public => 2 }

  # Access levels i18n translation
  def access_levels
    ACCESS_LEVELS.collect{|k,v| [I18n.t("access." + k.to_s), v]}
  end
end

serek

# part of config/enviroment.rb
...
Rails::Initializer.run do |config|
  
  # Load model files from sub folders
  config.load_paths += Dir["#{RAILS_ROOT}/app/models/*"].find_all { |f| File.stat(f).directory? }

  # Load middleware - initially used by flash-session-hack
  config.load_paths << "#{RAILS_ROOT}/app/middleware"

serek

class ConvertImagesToPaperclip < ActiveRecord::Migration
  include PaperclipMigrations
 
  def self.up
    # Paperclip 
    add_column :images, :data_file_name, :string
    add_column :images, :data_content_type, :string
    add_column :images, :data_file_size, :integer
    add_column :images, :data_updated_at, :datetime

serek

# include at least one source and the rails gem
source :gemcutter
gem 'rails', '~> 2.3.5', :require => nil
gem 'sqlite3-ruby', :require => 'sqlite3'

# Devise 1.0.2 is not a valid gem plugin for Rails, so use git until 1.0.3
# gem 'devise', :git => 'git://github.com/plataformatec/devise.git', :ref => 'v1.0'

group :development do
  # bundler requires these gems in development

serek

Paperclip.interpolates(:s3_eu_url) { |attachment, style|                   
  "#{attachment.s3_protocol}://s3-eu-west-1.amazonaws.com/#{attachment.bucket_name}/#{attachment.path(style).gsub(%r{^/}, "")}"
}
require 'aws/s3'                                                                                            
AWS::S3::DEFAULT_HOST.replace "s3-eu-west-1.amazonaws.com"

serek

  $ cd /usr/src
  $ wget http://nginx.org/download/nginx-0.8.52.tar.gz
  $ tar xzvf ./nginx-0.8.52.tar.gz
  $ rm ./nginx-0.8.52.tar.gz

  $ gem install s3sync capistrano capistrano-ext passenger --no-ri --no-rdoc
  $ passenger-install-nginx-module
  # Automatically download and install Nginx?           2. No: I want to customize my Nginx installation
  # Where is your Nginx source code located?:           /usr/src/nginx-0.8.52
  # Where do you want to install Nginx to?:             /opt/nginx

serek

#Session controller provides a token
#/controllers/api/sessions_controller.rb
class Api::SessionsController < Devise::SessionsController
  before_filter :authenticate_user!, :except => [:create]
  before_filter :ensure_params_exist, :except => [:destroy]
  respond_to :json

  def create
    resource = User.find_for_database_authentication(:email => params[:user_login][:email])
    return invalid_login_attempt unless resource

serek

class Api::V1::SessionsController < Api::V1::BaseController
  skip_before_filter :verify_authenticity_token, only: :create
  skip_before_filter :authenticate_user!, only: :create

  before_filter :ensure_params_exist, only: :create
  before_filter :ensure_token_exist, only: :destroy

  def create
    resource = User.find_for_database_authentication(email: params[:user][:email])
    return invalid_login_attempt unless resource

serek

#
# Usage:
# sms = SMS.new('+1XXXXXX', 'Message')
# sms = SMS.new('+1XXXXXX', 'Message', :full_sms_queue, :invalid)
# sms.data - results in hash
#
class SMS
  def initialize(number, message, from_error=nil, to_error=nil)
    @client = SMS.client
    send_sms(number, message, from_error, to_error)