Chain Gang with Ruby

gistfile1.rb

class Query
  def initialize(model)
    @model = model
  end
  
  def where(hash)
    @where = hash
    self
  end
  
  def sort(hash)
    @sort = hash
    self
  end
end

class User
  def self.where(hash)
    Query.new(self).where(hash)
  end
  
  def self.sort(hash)
    Query.new(self).sort(hash)
  end
end

puts User.where(:first_name => 'John').inspect
puts User.sort(:age).inspect
puts User.where(:first_name => 'John').sort(:age).inspect
puts User.sort(:age).where(:first_name => 'John').inspect