gist: 141893


  
    
      Ruby #
    
    
      
      
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              # Hmmm, not sure I like it
# not much of an improvement
 
class Thing < AR::Base
  StateMap = Hash.new {|h,k| h[k] = @@states[3]}.update({
    'disabled' => @@states[0..1],
    'active'   => @@states[2],
    'all'      => nil
  })
  
  def self.find_by_f(f)
    find(:all, state_predicate(f.to_s))
  end
   
  private
 
  def state_predicate(f, opts={})  
    StateMap[f] ? { :conditions => { :state => StateMap[f] } : {}
  end
end
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