Ruby gem for creating SPS XML files

# First: Create the main object
sdd = SPS::DirectDebit.new(
  # Name of the initiating party and creditor, in German: "Auftraggeber"
  # String, max. 70 char
  name:       'Gläubiger GmbH',

  # Optional: ISR Participant Number for the swiss ISR debit system. Only for Swiss Direct Debits with ISR references
  # Numeric, 9 digits, last digit is checkdigit recursive with modulo 10
  isr_participant_number: '010001456',

  # International Bank Account Number of the creditor
  # String, max. 34 chars
  iban:       'CH7081232000001998736',

  # Creditor Identifier, in German: Gläubiger-Identifikationsnummer
  # String, max. 35 chars
  creditor_identifier: 'ABC1W'
)

# Second: Add transactions
sdd.add_transaction(
  # Name of the debtor, in German: "Zahlungspflichtiger"
  # String, max. 70 char
  name:                      'Zahlemann & Söhne GbR',

  # International Bank Account Number of the debtor's account
  # String, max. 34 chars
  iban:                      'CH9804835011062385295',

  # Amount
  # Number with two decimal digit
  amount:                    39.99,

  # OPTIONAL: Currency, CHF by default (ISO 4217 standard)
  # String, 3 char
  currency:                  'CHF',

  # Instruction Identification, will not be submitted to the debtor
  # String, max. 35 char
  instruction:               '12345',

  # OPTIONAL: End-To-End-Identification, will be submitted to the debtor
  # String, max. 35 char
  reference:                 'XYZ/2013-08-ABO/6789',

  # OPTIONAL: Unstructured remittance information, in German "Verwendungszweck"
  # String, max. 140 char
  remittance_information:    'Vielen Dank für Ihren Einkauf!',

  # OPTIONAL: Structured remittance information, in German "Strukturierter Verwendungszweck". Required for e.g. Swiss Direct Debits
  # StructuredRemittanceInformation
  structured_remittance_information: SPS::StructuredRemittanceInformation.new(
    # Defines how the reference field should be interpreted for Swiss Direct Debits
    # One of these strings:
    #   'ESR' ("ESR-Referenznummer")
    #   'IPI' ("IPI-Verwendungszweck")
    proprietary: 'ESR',
    # if proprietary is 'ESR': 27 character ISR reference number
    # if proprietary is 'IPI': 20 character IPI remittance
    reference:   '609323234234234353453423423'
  ),

  # Service Level
  # One of these strings:
  #   'CHTA' ("Banklastschrift") - Only for Swiss Direct Debits
  #   'CHDD' ("PostFinance-Lastschrift") - Only for Swiss Direct Debits
  service_level: 'CHTA',

  # Local instrument, in German "Lastschriftart"
  # One of these strings:
  #   'DDCOR1' ("Basis-Lastschrift")  - only for service_level 'CHDD'
  #   'DDB2B'  ("Firmen-Lastschrift") - only for service_level 'CHDD'
  #   'LSV+'   ("Basis-Lastschrift")  - only for service_level 'CHTA'
  #   'BDD'    ("Firmen-Lastschrift") - only for service_level 'CHTA'
  local_instrument: 'LSV+',

  # OPTIONAL: Requested collection date, in German "Fälligkeitsdatum der Lastschrift"
  # Date
  requested_date: Date.new(2013,9,5),

  # OPTIONAL: Use a different creditor account
  # CreditorAccount
  creditor_account: SPS::CreditorAccount.new(
    name:                'Creditor Inc.',
    iban:                'CH7081232000001998736',
    creditor_identifier: '12312'
  )

  # Specify the country & address of the debtor (The individually required fields depend on the local legal requirements)
  debtor_address: SPS::DebtorAddress.new(
    country_code:        'CH',
    # Not required if individual fields are used
    address_line1:       'Mustergasse 123a',
    address_line2:       '1234 Musterstadt'
    # Not required if address_line1 and address_line2 are used
    street_name:         'Mustergasse',
    post_code:           '1234',
    town_name:           'Musterstadt'
  )
)
sdd.add_transaction ...

# Last: create XML string
xml_string = sdd.to_xml # Use latest schema pain.008.001.02.ch.03

# First: Create the main object
sct = SPS::CreditTransfer.new(
  # Name of the initiating party and debtor, in German: "Auftraggeber"
  # String, max. 70 char
  name: 'Schuldner GmbH',

  # Business Identifier Code (SWIFT-Code) of the debtor
  # String, 8 or 11 char
  bic:  'RAIFCH22',

  # International Bank Account Number of the debtor
  # String, max. 34 chars
  iban: 'CH5481230000001998736'
)

# Second: Add transactions
sct.add_transaction(
  # Name of the creditor, in German: "Zahlungsempfänger"
  # String, max. 70 char
  name:                   'Contoso AG',

  # Business Identifier Code (SWIFT-Code) of the creditor's account
  # String, 8 or 11 char
  bic:                    'CRESCHZZ80A',

  # International Bank Account Number of the creditor's account
  # String, max. 34 chars
  iban:                   'CH9300762011623852957',

  # Amount
  # Number with two decimal digit
  amount:                 102.50,

  # OPTIONAL: Currency, CHF by default (ISO 4217 standard)
  # String, 3 char
  currency:               'CHF',

  # OPTIONAL: Instruction Identification, will not be submitted to the creditor
  # String, max. 35 char
  instruction:               '12345',

  # OPTIONAL: End-To-End-Identification, will be submitted to the creditor
  # String, max. 35 char
  reference:              'XYZ-1234/123',

  # OPTIONAL: Unstructured remittance information, in German "Verwendungszweck"
  # String, max. 140 char
  remittance_information: 'Rechnung vom 22.08.2013',

  # OPTIONAL: Structured remittance information, in German "Strukturierter Verwendungszweck". Required for e.g. Swiss QR transfers
  # StructuredRemittanceInformation
  structured_remittance_information: SPS::StructuredRemittanceInformation.new(
    # Defines how the reference field should be interpreted for Swiss Direct Debits
    # One of these strings:
    #   'IPI' ("IPI-Verwendungszweck")
    #   'QRR' ("QR-Referenz")
    proprietary: 'QRR',
    # if proprietary is 'IPI': 20 character IPI remittance
    # if proprietary is 'QRR': 27 character QR reference
    reference:   '000008207791225857421286694'
  ),

  # OPTIONAL: Requested execution date, in German "Ausführungstermin"
  # Date
  requested_date: Date.new(2013,9,5),

  # OPTIONAL: Enables or disables batch booking, in German "Sammelbuchung / Einzelbuchung"
  # True or False
  batch_booking: true,

  # OPTIONAL: Urgent Payment
  # One of these strings:
  #   'SEPA' ("SEPA-Zahlung")
  #   'URGP' ("Taggleiche Eilüberweisung")
  service_level: 'URGP'

  # OPTIONAL: Charge Bearer
  # One of these strings:
  #   'DEBT' (Borne by Debitor)
  #   'CRED' (Borne by Creditor)
  #   'SHAR' (Shared)
  #   'SLEV' (Service Level) - Must be SLEV for SEPA transfers
  charge_bearer: 'SHAR',

  # OPTIONAL: Unstructured information to indicate the purpose of the payment
  # String, max. 4 char
  category_purpose:         'SALA',

  # Specify the country & address of the creditor. The required fields may vary depending on the legal requirements.
  creditor_address: SPS::CreditorAddress.new(
    country_code:        'CH',
    # Not required if individual fields are used
    address_line1:       'Mustergasse 123a',
    address_line2:       '1234 Musterstadt'
    # Not required if address_line1 and address_line2 are used
    street_name:         'Mustergasse',
    building_number:     '123a',
    post_code:           '1234',
    town_name:           'Musterstadt'
  )
)
sct.add_transaction ...

# Last: create XML string
xml_string = sct.to_xml # Use latest schema pain.001.001.03.ch.02