Method: Customize::Formular#calculator

Defined in:
app/models/customize/formular.rb

#calculator ⇒ Object 



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# File 'app/models/customize/formular.rb', line 6

def calculator
  return unless calculator_name
  cal = calculator_name.constantize
  cal_ins = cal.new
  calculator_attributes.try :symbolize_keys! if calculator_attributes.respond_to? :symbolize_keys!
  names = (calculator_attributes.keys.map!(&:to_sym) & cal.inputs) if calculator_attributes
  names.each do |name|
    cal_ins.instance_variable_set "@#{name}", calculator_attributes[name]
  end if names
  cal_ins
end