Module: Einvoicing::Formats::UBL

Defined in:
lib/einvoicing/formats/ubl.rb

Overview

Generates UBL 2.1 XML compliant with EN 16931 / Peppol BIS Billing 3.0.

Examples:

xml = Einvoicing::Formats::UBL.generate(invoice)
File.write("invoice.xml", xml)

Constant Summary collapse

CUSTOMIZATION_ID = 
"urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0"
PROFILE_ID = 
"urn:fdc:peppol.eu:2017:poacc:billing:01:1.0"
UBL_NS = 
"urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"
UBL_CREDIT_NOTE_NS = 
"urn:oasis:names:specification:ubl:schema:xsd:CreditNote-2"
CAC_NS = 
"urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
CBC_NS = 
"urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2"

Class Method Summary collapse

Class Method Details

.generate(invoice) ⇒ Object 



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# File 'lib/einvoicing/formats/ubl.rb', line 19

def self.generate(invoice)
  b = XMLBuilder.new
  credit_note = invoice.document_type == :credit_note
  root_ns = credit_note ? UBL_CREDIT_NOTE_NS : UBL_NS
  root_tag = credit_note ? "CreditNote" : "Invoice"
  b.tag(
    root_tag,
    "xmlns"     => root_ns,
    "xmlns:cac" => CAC_NS,
    "xmlns:cbc" => CBC_NS
  ) do
    header(b, invoice)
    supplier_party(b, invoice.seller)
    customer_party(b, invoice.buyer)
    billing_reference(b, invoice) if credit_note && invoice.original_invoice_number
    payment_means(b, invoice) if invoice.payment_means_code
    tax_total(b, invoice)
    monetary_total(b, invoice)
    invoice.lines.each_with_index do |line, idx|
      invoice_line(b, line, idx + 1, invoice.currency)
    end
  end
  b.to_xml
end