Module: Moolah::ChargeClassBuilder::InstanceMethods

Defined in:
lib/moolah/charge_class_builder.rb

Instance Method Summary collapse

Instance Method Details

#+(other_charge) ⇒ Object 



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# File 'lib/moolah/charge_class_builder.rb', line 5

def +(other_charge)
  return self unless other_charge

  all_component_keys = Set.new(attributes.keys + other_charge.attributes.keys)

  combined_components = all_component_keys.inject({}) do |com, key|
    com.tap do |c|
      values = [attributes[key], other_charge.attributes[key]].compact # will have at least one value
      c[key] = values.inject(Money.zero, &:+)
    end
  end

  charge_class = ChargeClassBuilder.build(combined_components.keys)
  charge_class.new(combined_components)
end

#==(other_charge) ⇒ Object 



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# File 'lib/moolah/charge_class_builder.rb', line 25

def ==(other_charge)
  attributes == other_charge.attributes
end

#total ⇒ Object 



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# File 'lib/moolah/charge_class_builder.rb', line 21

def total
  attributes.values.inject(Money.zero, &:+)
end