charly

class PseudoAR
  def self.find(args)
    new.tap do |ar|
      # do some crazy SQL
    end
  end

  def self.create(args)
    new.tap do |ar|
      # do some crazy validation

charly

module OrdersHelper
  
  # helper to determine the active order step given :
  # 1. a params[:step]
  # 2. if none, according to the order's state
  def active_step
    @active_step ||= if params[:step]
        params[:step]
      elsif %(opened).include? @order.state
        "1start"

charly

module TabsHelper
  
  # takes the block  
  def tabs_for(current_tab, &block)
    yield Tab.new(current_tab, self)
  end
    
  class Tab
    def initialize(current_tab, template)
      @current_tab = current_tab

charly

#contenth
  %ol#steps_menu
    - tabs_for :step => active_step do |t|
      = t.link_to "1. start", :step=> "1start"
      = t.link_to "2. price", :step=> "2price"
      = t.link_to "3. bill", :step=> "3bill"
      = t.link_to "4. payment", :step=> "4payment"
      = t.link_to "5. end", :step=> "5end"

  =render :partial => "/admin/orders/steps/step_#{active_step}"

charly

# In my Image Bank Rails App 
class Payment < ActiveRecord::Base
  default_scope :conditions => { :application => 'ImageBank' }
  before_save { |p| p.application="ImageBank"  }
end

# In my Live Performances Rails App 
class Payment < ActiveRecord::Base
  default_scope :conditions => { :application => 'LivePerformances' }
  before_save { |p| p.application="LivePerformances"  }