Class: SunatInvoice::Tax

Inherits:
Model
  • Object
show all
Includes:
Utils
Defined in:
lib/sunat_invoice/tax.rb

Constant Summary collapse

TAXES = 
{
  igv: { id: '1000', name: 'IGV', tax_type_code: 'VAT' },
  isc: { id: '2000', name: 'ISC', tax_type_code: 'EXC' },
  other: { id: '9999', name: 'OTROS', tax_type_code: 'OTH' }
}.freeze

Constants included from Utils

Utils::UBL_NAMESPACES

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#amount_xml, #ubl_ext

Constructor Details

#initialize(*args) ⇒ Tax

Returns a new instance of Tax.



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# File 'lib/sunat_invoice/tax.rb', line 18

def initialize(*args)
  super(*args)
  defaults_for_type(tax_type)
end

Instance Attribute Details

#amount ⇒ Object

Returns the value of attribute amount.



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# File 'lib/sunat_invoice/tax.rb', line 16

def amount
  @amount
end

#tax_exemption_reason ⇒ Object

Returns the value of attribute tax_exemption_reason.



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# File 'lib/sunat_invoice/tax.rb', line 16

def tax_exemption_reason
  @tax_exemption_reason
end

#tax_type ⇒ Object

Returns the value of attribute tax_type.



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# File 'lib/sunat_invoice/tax.rb', line 16

def tax_type
  @tax_type
end

#tier_range ⇒ Object

Returns the value of attribute tier_range.



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# File 'lib/sunat_invoice/tax.rb', line 16

def tier_range
  @tier_range
end

Instance Method Details

#defaults_for_type(type) ⇒ Object 



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# File 'lib/sunat_invoice/tax.rb', line 23

def defaults_for_type(type)
  case type
  when :igv
    @tax_exemption_reason ||= Catalogs::CATALOG_07.first
  when :isc
    @tier_range ||= Catalogs::CATALOG_08.first
  end
end

#tax_category(xml) ⇒ Object 



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# File 'lib/sunat_invoice/tax.rb', line 42

def tax_category(xml)
  xml['cac'].TaxCategory do
    xml['cbc'].TaxExemptionReasonCode(tax_exemption_reason) if tax_exemption_reason
    xml['cbc'].TierRange(tier_range) if tier_range
    tax_scheme(xml)
  end
end

#tax_data(attribute) ⇒ Object 



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# File 'lib/sunat_invoice/tax.rb', line 58

def tax_data(attribute)
  TAXES[tax_type][attribute]
end

#tax_scheme(xml) ⇒ Object 



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# File 'lib/sunat_invoice/tax.rb', line 50

def tax_scheme(xml)
  xml['cac'].TaxScheme do
    xml['cbc'].ID tax_data(:id)
    xml['cbc'].Name tax_data(:name)
    xml['cbc'].TaxTypeCode tax_data(:tax_type_code)
  end
end

#xml(xml, currency) ⇒ Object 



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# File 'lib/sunat_invoice/tax.rb', line 32

def xml(xml, currency)
  xml['cac'].TaxTotal do
    amount_xml(xml['cbc'], 'TaxAmount', amount, currency)
    xml['cac'].TaxSubtotal do
      amount_xml(xml['cbc'], 'TaxAmount', amount, currency)
      tax_category(xml)
    end
  end
end