X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/kivitendo-erp.git/blobdiff_plain/deb4d2dbb676d7d6f69dfe7815d6e0cb09bd4a44..53593baa211863fbf66540cf1bcc36c8fb37257f:/SL/DB/Helper/ZUGFeRD.pm

diff --git a/SL/DB/Helper/ZUGFeRD.pm b/SL/DB/Helper/ZUGFeRD.pm
new file mode 100644
index 000000000..f989d3d94
--- /dev/null
+++ b/SL/DB/Helper/ZUGFeRD.pm
@@ -0,0 +1,703 @@
+package SL::DB::Helper::ZUGFeRD;
+
+use strict;
+use utf8;
+
+use parent qw(Exporter);
+our @EXPORT = qw(create_zugferd_data create_zugferd_xmp_data);
+
+use SL::DB::BankAccount;
+use SL::DB::GenericTranslation;
+use SL::DB::Tax;
+use SL::DB::TaxKey;
+use SL::Helper::ISO3166;
+use SL::Helper::ISO4217;
+use SL::Helper::UNECERecommendation20;
+use SL::VATIDNr;
+use SL::ZUGFeRD qw(:PROFILES);
+
+use Carp;
+use Encode qw(encode);
+use List::MoreUtils qw(any pairwise);
+use List::Util qw(first sum);
+use Template;
+use XML::Writer;
+
+my @line_names = qw(LineOne LineTwo LineThree);
+
+my %standards_ids = (
+  PROFILE_FACTURX_EXTENDED() => 'urn:cen.eu:en16931:2017#conformant#urn:factur-x.eu:1p0:extended',
+  PROFILE_XRECHNUNG()        => 'urn:cen.eu:en16931:2017#compliant#urn:xoev-de:kosit:standard:xrechnung_2.0',
+);
+
+sub _is_profile {
+  my ($self, @profiles) = @_;
+  return any { $self->{_zugferd}->{profile} == $_ } @profiles;
+}
+
+sub _u8 {
+  my ($value) = @_;
+  return encode('UTF-8', $value // '');
+}
+
+sub _r2 {
+  my ($value) = @_;
+  return $::form->round_amount($value, 2);
+}
+
+sub _type_name {
+  my ($self) = @_;
+  my $type   = $self->invoice_type;
+
+  no warnings 'once';
+  return $type eq 'ar_transaction' ? $::locale->text('Invoice') : $self->displayable_type;
+}
+
+sub _type_code {
+  my ($self) = @_;
+  my $type   = $self->invoice_type;
+
+  # 326 (Partial invoice)
+  # 380 (Commercial invoice)
+  # 384 (Corrected Invoice)
+  # 381 (Credit note)
+  # 389 (Credit note, self billed invoice)
+
+  return $type eq 'credit_note'        ? 381
+       : $type eq 'invoice_storno'     ? 457
+       : $type eq 'credit_note_storno' ? 458
+       :                                 380;
+}
+
+sub _unit_code {
+  my ($unit) = @_;
+
+  # Mapping from kivitendo's units to UN/ECE Recommendation 20 & 21.
+  my $code = SL::Helper::UNECERecommendation20::map_name_to_code($unit);
+  return $code if $code;
+
+  $::lxdebug->message(LXDebug::WARN(), "ZUGFeRD unit name mapping: no UN/ECE Recommendation 20/21 unit known for kivitendo unit '$unit'; using 'C62'");
+
+  return 'C62';
+}
+
+sub _parse_our_address {
+  my @result;
+  my @street = grep { $_ } ($::instance_conf->get_address_street1, $::instance_conf->get_address_street2);
+
+  push @result, [ 'PostcodeCode', $::instance_conf->get_address_zipcode ] if $::instance_conf->get_address_zipcode;
+  push @result, grep { $_->[1] } pairwise { [ $a, $b] } @line_names, @street;
+  push @result, [ 'CityName', $::instance_conf->get_address_city ] if $::instance_conf->get_address_city;
+  push @result, [ 'CountryID', SL::Helper::ISO3166::map_name_to_alpha_2_code($::instance_conf->get_address_country) // 'DE' ];
+
+  return @result;
+}
+
+sub _customer_postal_trade_address {
+  my (%params) = @_;
+
+  #       <ram:PostalTradeAddress>
+  $params{xml}->startTag("ram:PostalTradeAddress");
+
+  my @parts = grep { $_ } map { $params{customer}->$_ } qw(department_1 department_2 street);
+
+  $params{xml}->dataElement("ram:PostcodeCode", _u8($params{customer}->zipcode));
+  $params{xml}->dataElement("ram:" . $_->[0],   _u8($_->[1])) for grep { $_->[1] } pairwise { [ $a, $b] } @line_names, @parts;
+  $params{xml}->dataElement("ram:CityName",     _u8($params{customer}->city));
+  $params{xml}->dataElement("ram:CountryID",    _u8(SL::Helper::ISO3166::map_name_to_alpha_2_code($params{customer}->country) // 'DE'));
+  $params{xml}->endTag;
+  #       </ram:PostalTradeAddress>
+}
+
+sub _tax_rate_and_code {
+  my ($taxzone, $tax) = @_;
+
+  my ($tax_rate, $tax_code) = @_;
+
+  if ($taxzone->description =~ m{Au.*erhalb}) {
+    $tax_rate = 0;
+    $tax_code = 'G';
+
+  } elsif ($taxzone->description =~ m{EU mit}) {
+    $tax_rate = 0;
+    $tax_code = 'K';
+
+  } else {
+    $tax_rate = $tax->rate * 100;
+    $tax_code = !$tax_rate ? 'Z' : 'S';
+  }
+
+  return (rate => $tax_rate, code => $tax_code);
+}
+
+sub _line_item {
+  my ($self, %params) = @_;
+
+  my $item_ptc = $params{ptc_data}->{items}->[$params{line_number}];
+
+  my $taxkey   = $item_ptc->{taxkey_id} ? SL::DB::TaxKey->load_cached($item_ptc->{taxkey_id}) : undef;
+  my $tax      = $item_ptc->{taxkey_id} ? SL::DB::Tax->load_cached($taxkey->tax_id)           : undef;
+  my %tax_info = _tax_rate_and_code($self->taxzone, $tax);
+
+  # <ram:IncludedSupplyChainTradeLineItem>
+  $params{xml}->startTag("ram:IncludedSupplyChainTradeLineItem");
+
+  #   <ram:AssociatedDocumentLineDocument>
+  $params{xml}->startTag("ram:AssociatedDocumentLineDocument");
+  $params{xml}->dataElement("ram:LineID", $params{line_number} + 1);
+  $params{xml}->endTag;
+
+  $params{xml}->startTag("ram:SpecifiedTradeProduct");
+  $params{xml}->dataElement("ram:SellerAssignedID", _u8($params{item}->part->partnumber));
+  $params{xml}->dataElement("ram:Name",             _u8($params{item}->description));
+  $params{xml}->endTag;
+
+  $params{xml}->startTag("ram:SpecifiedLineTradeAgreement");
+  $params{xml}->startTag("ram:NetPriceProductTradePrice");
+  $params{xml}->dataElement("ram:ChargeAmount", _r2($item_ptc->{sellprice}));
+  $params{xml}->endTag;
+  $params{xml}->endTag;
+  #   </ram:SpecifiedLineTradeAgreement>
+
+  #   <ram:SpecifiedLineTradeDelivery>
+  $params{xml}->startTag("ram:SpecifiedLineTradeDelivery");
+  $params{xml}->dataElement("ram:BilledQuantity", $params{item}->qty, unitCode => _unit_code($params{item}->unit));
+  $params{xml}->endTag;
+  #   </ram:SpecifiedLineTradeDelivery>
+
+  #   <ram:SpecifiedLineTradeSettlement>
+  $params{xml}->startTag("ram:SpecifiedLineTradeSettlement");
+
+  #     <ram:ApplicableTradeTax>
+  $params{xml}->startTag("ram:ApplicableTradeTax");
+  $params{xml}->dataElement("ram:TypeCode",              "VAT");
+  $params{xml}->dataElement("ram:CategoryCode",          $tax_info{code});
+  $params{xml}->dataElement("ram:RateApplicablePercent", _r2($tax_info{rate}));
+  $params{xml}->endTag;
+  #     </ram:ApplicableTradeTax>
+
+  #     <ram:SpecifiedTradeSettlementLineMonetarySummation>
+  $params{xml}->startTag("ram:SpecifiedTradeSettlementLineMonetarySummation");
+  $params{xml}->dataElement("ram:LineTotalAmount", _r2($item_ptc->{linetotal}));
+  $params{xml}->endTag;
+  #     </ram:SpecifiedTradeSettlementLineMonetarySummation>
+
+  $params{xml}->endTag;
+  #   </ram:SpecifiedLineTradeSettlement>
+
+  $params{xml}->endTag;
+  # <ram:IncludedSupplyChainTradeLineItem>
+}
+
+sub _specified_trade_settlement_payment_means {
+  my ($self, %params) = @_;
+
+  #     <ram:SpecifiedTradeSettlementPaymentMeans>
+  $params{xml}->startTag('ram:SpecifiedTradeSettlementPaymentMeans');
+  $params{xml}->dataElement('ram:TypeCode', $self->direct_debit ? 59 : 58); # 59 = SEPA direct debit, 58 = SEPA credit transfer
+
+  if ($self->direct_debit) {
+    $params{xml}->startTag('ram:PayerPartyDebtorFinancialAccount');
+    $params{xml}->dataElement('ram:IBANID', $self->customer->iban);
+    $params{xml}->endTag;
+
+  } else {
+    $params{xml}->startTag('ram:PayeePartyCreditorFinancialAccount');
+    $params{xml}->dataElement('ram:IBANID', $params{bank_account}->iban);
+    $params{xml}->endTag;
+  }
+
+  $params{xml}->endTag;
+  #     </ram:SpecifiedTradeSettlementPaymentMeans>
+}
+
+sub _taxes {
+  my ($self, %params) = @_;
+
+  my %taxkey_info;
+
+  foreach my $item (@{ $params{ptc_data}->{items} }) {
+    $taxkey_info{$item->{taxkey_id}} //= {
+      linetotal  => 0,
+      tax_amount => 0,
+    };
+    my $info             = $taxkey_info{$item->{taxkey_id}};
+    $info->{taxkey}    //= SL::DB::TaxKey->load_cached($item->{taxkey_id});
+    $info->{tax}       //= SL::DB::Tax->load_cached($info->{taxkey}->tax_id);
+    $info->{linetotal}  += $item->{linetotal};
+  }
+
+  foreach my $taxkey_id (sort keys %taxkey_info) {
+    my $info     = $taxkey_info{$taxkey_id};
+    my %tax_info = _tax_rate_and_code($self->taxzone, $info->{tax});
+
+    #     <ram:ApplicableTradeTax>
+    $params{xml}->startTag("ram:ApplicableTradeTax");
+    $params{xml}->dataElement("ram:CalculatedAmount",      _r2($params{ptc_data}->{taxes_by_tax_id}->{$info->{taxkey}->tax_id}));
+    $params{xml}->dataElement("ram:TypeCode",              "VAT");
+    $params{xml}->dataElement("ram:BasisAmount",           _r2($info->{linetotal}));
+    $params{xml}->dataElement("ram:CategoryCode",          $tax_info{code});
+    $params{xml}->dataElement("ram:RateApplicablePercent", _r2($tax_info{rate}));
+    $params{xml}->endTag;
+    #     </ram:ApplicableTradeTax>
+  }
+}
+
+sub _calculate_payment_terms_values {
+  my ($self) = @_;
+
+  my (%vars, %amounts, %formatted_amounts);
+
+  local $::myconfig{numberformat} = $::myconfig{numberformat};
+  local $::myconfig{dateformat}   = $::myconfig{dateformat};
+
+  if ($self->language_id) {
+    my $language = SL::DB::Language->load_cached($self->language_id);
+    $::myconfig{dateformat}   = $language->output_dateformat   if $language->output_dateformat;
+    $::myconfig{numberformat} = $language->output_numberformat if $language->output_numberformat;
+  }
+
+  $vars{currency}              = $self->currency->name if $self->currency;
+  $vars{$_}                    = $self->customer->$_      for qw(account_number bank bank_code bic iban mandate_date_of_signature mandator_id);
+  $vars{$_}                    = $self->payment_terms->$_ for qw(terms_netto terms_skonto percent_skonto);
+  $vars{payment_description}   = $self->payment_terms->description;
+  $vars{netto_date}            = $self->payment_terms->calc_date(reference_date => $self->transdate, due_date => $self->duedate, terms => 'net')->to_kivitendo;
+  $vars{skonto_date}           = $self->payment_terms->calc_date(reference_date => $self->transdate, due_date => $self->duedate, terms => 'discount')->to_kivitendo;
+
+  $amounts{invtotal}           = $self->amount;
+  $amounts{total}              = $self->amount - $self->paid;
+
+  $amounts{skonto_in_percent}  = 100.0 * $vars{percent_skonto};
+  $amounts{skonto_amount}      = $amounts{invtotal} * $vars{percent_skonto};
+  $amounts{invtotal_wo_skonto} = $amounts{invtotal} * (1 - $vars{percent_skonto});
+  $amounts{total_wo_skonto}    = $amounts{total}    * (1 - $vars{percent_skonto});
+
+  foreach (keys %amounts) {
+    $amounts{$_}           = $::form->round_amount($amounts{$_}, 2);
+    $formatted_amounts{$_} = $::form->format_amount(\%::myconfig, $amounts{$_}, 2);
+  }
+
+  return (
+    vars              => \%vars,
+    amounts           => \%amounts,
+    formatted_amounts => \%formatted_amounts,
+  );
+}
+
+sub _format_payment_terms_description {
+  my ($self, %params) = @_;
+
+  my $description = ($self->payment_terms->translated_attribute('description_long_invoice', $self->language_id) // '') || $self->payment_terms->description_long_invoice;
+  $description    =~ s{<\%$_\%>}{ $params{vars}->{$_} }ge              for keys %{ $params{vars} };
+  $description    =~ s{<\%$_\%>}{ $params{formatted_amounts}->{$_} }ge for keys %{ $params{formatted_amounts} };
+
+  if (_is_profile($self, PROFILE_XRECHNUNG())) {
+    my @terms;
+
+    if ($self->payment_terms->terms_skonto && ($self->payment_terms->percent_skonto * 1)) {
+      push @terms, sprintf("#SKONTO#TAGE=\%d#PROZENT=\%.2f#\n", $self->payment_terms->terms_skonto, $self->payment_terms->percent_skonto * 100);
+    }
+
+    $description =~ s{#}{_}g;
+    $description =  join('', @terms) . $description;
+  }
+
+  return $description;
+}
+
+sub _payment_terms {
+  my ($self, %params) = @_;
+
+  return unless $self->payment_terms;
+
+  my %payment_terms_vars = _calculate_payment_terms_values($self);
+
+  #     <ram:SpecifiedTradePaymentTerms>
+  $params{xml}->startTag("ram:SpecifiedTradePaymentTerms");
+
+  $params{xml}->dataElement("ram:Description", _u8(_format_payment_terms_description($self, %payment_terms_vars)));
+
+  #       <ram:DueDateDateTime>
+  $params{xml}->startTag("ram:DueDateDateTime");
+  $params{xml}->dataElement("udt:DateTimeString", $self->duedate->strftime('%Y%m%d'), format => "102");
+  $params{xml}->endTag;
+  #       </ram:DueDateDateTime>
+
+  if (   _is_profile($self, PROFILE_FACTURX_EXTENDED())
+      && $self->payment_terms->percent_skonto
+      && $self->payment_terms->terms_skonto) {
+    my $currency_id = _u8(SL::Helper::ISO4217::map_currency_name_to_code($self->currency->name) // 'EUR');
+
+    #       <ram:ApplicableTradePaymentDiscountTerms>
+    $params{xml}->startTag("ram:ApplicableTradePaymentDiscountTerms");
+    $params{xml}->dataElement("ram:BasisPeriodMeasure", $self->payment_terms->terms_skonto, unitCode => "DAY");
+    $params{xml}->dataElement("ram:BasisAmount",        _r2($payment_terms_vars{amounts}->{invtotal}), currencyID => $currency_id);
+    $params{xml}->dataElement("ram:CalculationPercent", _r2($self->payment_terms->percent_skonto * 100));
+    $params{xml}->endTag;
+    #       </ram:ApplicableTradePaymentDiscountTerms>
+  }
+
+  $params{xml}->endTag;
+  #     </ram:SpecifiedTradePaymentTerms>
+}
+
+sub _totals {
+  my ($self, %params) = @_;
+
+  #     <ram:SpecifiedTradeSettlementHeaderMonetarySummation>
+  $params{xml}->startTag("ram:SpecifiedTradeSettlementHeaderMonetarySummation");
+
+  $params{xml}->dataElement("ram:LineTotalAmount",     _r2($self->netamount));
+  $params{xml}->dataElement("ram:TaxBasisTotalAmount", _r2($self->netamount));
+  $params{xml}->dataElement("ram:TaxTotalAmount",      _r2(sum(values %{ $params{ptc_data}->{taxes_by_tax_id} })), currencyID => "EUR");
+  $params{xml}->dataElement("ram:GrandTotalAmount",    _r2($self->amount));
+  $params{xml}->dataElement("ram:TotalPrepaidAmount",  _r2($self->paid));
+  $params{xml}->dataElement("ram:DuePayableAmount",    _r2($self->amount - $self->paid));
+
+  $params{xml}->endTag;
+  #     </ram:SpecifiedTradeSettlementHeaderMonetarySummation>
+}
+
+sub _exchanged_document_context {
+  my ($self, %params) = @_;
+
+  #   <rsm:ExchangedDocumentContext>
+  $params{xml}->startTag("rsm:ExchangedDocumentContext");
+
+  if ($self->{_zugferd}->{test_mode}) {
+    $params{xml}->startTag("ram:TestIndicator");
+    $params{xml}->dataElement("udt:Indicator", "true");
+    $params{xml}->endTag;
+  }
+
+  $params{xml}->startTag("ram:GuidelineSpecifiedDocumentContextParameter");
+  $params{xml}->dataElement("ram:ID", $standards_ids{ $self->{_zugferd}->{profile} });
+  $params{xml}->endTag;
+  $params{xml}->endTag;
+  #   </rsm:ExchangedDocumentContext>
+}
+
+sub _included_note {
+  my ($self, %params) = @_;
+
+  $params{xml}->startTag("ram:IncludedNote");
+  $params{xml}->dataElement("ram:Content", _u8($params{note}));
+  $params{xml}->endTag;
+}
+
+sub _exchanged_document {
+  my ($self, %params) = @_;
+
+  #   <rsm:ExchangedDocument>
+  $params{xml}->startTag("rsm:ExchangedDocument");
+
+  $params{xml}->dataElement("ram:ID",       _u8($self->invnumber));
+  $params{xml}->dataElement("ram:Name",     _u8(_type_name($self))) if _is_profile($self, PROFILE_FACTURX_EXTENDED());
+  $params{xml}->dataElement("ram:TypeCode", _u8(_type_code($self)));
+
+  #     <ram:IssueDateTime>
+  $params{xml}->startTag("ram:IssueDateTime");
+  $params{xml}->dataElement("udt:DateTimeString", $self->transdate->strftime('%Y%m%d'), format => "102");
+  $params{xml}->endTag;
+  #     </ram:IssueDateTime>
+
+  if (   _is_profile($self, PROFILE_FACTURX_EXTENDED())
+      && $self->language
+      && (($self->language->template_code // '') =~ m{^(de|en)}i)) {
+    $params{xml}->dataElement("ram:LanguageID", uc($1));
+  }
+
+  my $std_notes = SL::DB::Manager::GenericTranslation->get_all(
+    where => [
+      translation_type => 'ZUGFeRD/notes',
+      or               => [
+        language_id    => undef,
+        language_id    => $self->language_id,
+      ],
+      '!translation'   => undef,
+      '!translation'   => '',
+    ],
+  );
+
+  my $std_note = first { $_->language_id == $self->language_id } @{ $std_notes };
+  $std_note  //= first { !defined $_->language_id }              @{ $std_notes };
+
+  my $notes = $self->notes_as_stripped_html;
+
+  _included_note($self, %params, note => $self->transaction_description) if $self->transaction_description;
+  _included_note($self, %params, note => $notes)                         if $notes;
+  _included_note($self, %params, note => $std_note->translation)         if $std_note;
+
+  $params{xml}->endTag;
+  #   </rsm:ExchangedDocument>
+}
+
+sub _specified_tax_registration {
+  my ($ustid_nr, %params) = @_;
+
+  #         <ram:SpecifiedTaxRegistration>
+  $params{xml}->startTag("ram:SpecifiedTaxRegistration");
+  $params{xml}->dataElement("ram:ID", _u8(SL::VATIDNr->normalize($ustid_nr)), schemeID => "VA");
+  $params{xml}->endTag;
+  #         </ram:SpecifiedTaxRegistration>
+}
+
+sub _seller_trade_party {
+  my ($self, %params) = @_;
+
+  my @our_address            = _parse_our_address();
+
+  my $sales_person           = $self->salesman;
+  my $sales_person_auth      = SL::DB::Manager::AuthUser->find_by(login => $sales_person->login);
+  my %sales_person_cfg       = $sales_person_auth ? %{ $sales_person_auth->config_values } : ();
+  $sales_person_cfg{email} ||= $sales_person->deleted_email;
+  $sales_person_cfg{tel}   ||= $sales_person->deleted_tel;
+
+  #       <ram:SellerTradeParty>
+  $params{xml}->startTag("ram:SellerTradeParty");
+  $params{xml}->dataElement("ram:ID",   _u8($self->customer->c_vendor_id)) if ($self->customer->c_vendor_id // '') ne '';
+  $params{xml}->dataElement("ram:Name", _u8($::instance_conf->get_company));
+
+  #         <ram:DefinedTradeContact>
+  $params{xml}->startTag("ram:DefinedTradeContact");
+
+  $params{xml}->dataElement("ram:PersonName", _u8($sales_person->safe_name));
+
+  if ($sales_person_cfg{tel}) {
+    $params{xml}->startTag("ram:TelephoneUniversalCommunication");
+    $params{xml}->dataElement("ram:CompleteNumber", _u8($sales_person_cfg{tel}));
+    $params{xml}->endTag;
+  }
+
+  if ($sales_person_cfg{email}) {
+    $params{xml}->startTag("ram:EmailURIUniversalCommunication");
+    $params{xml}->dataElement("ram:URIID", _u8($sales_person_cfg{email}));
+    $params{xml}->endTag;
+  }
+
+  $params{xml}->endTag;
+  #         </ram:DefinedTradeContact>
+
+  if (@our_address) {
+    #         <ram:PostalTradeAddress>
+    $params{xml}->startTag("ram:PostalTradeAddress");
+    foreach my $element (@our_address) {
+      $params{xml}->dataElement("ram:" . $element->[0], _u8($element->[1]));
+    }
+    $params{xml}->endTag;
+    #         </ram:PostalTradeAddress>
+  }
+
+  _specified_tax_registration($::instance_conf->get_co_ustid, %params);
+
+  $params{xml}->endTag;
+  #     </ram:SellerTradeParty>
+}
+
+sub _buyer_trade_party {
+  my ($self, %params) = @_;
+
+  #       <ram:BuyerTradeParty>
+  $params{xml}->startTag("ram:BuyerTradeParty");
+  $params{xml}->dataElement("ram:ID",   _u8($self->customer->customernumber));
+  $params{xml}->dataElement("ram:Name", _u8($self->customer->name));
+
+  _customer_postal_trade_address(%params, customer => $self->customer);
+  _specified_tax_registration($self->customer->ustid, %params) if $self->customer->ustid;
+
+  $params{xml}->endTag;
+  #       </ram:BuyerTradeParty>
+}
+
+sub _included_supply_chain_trade_line_item {
+  my ($self, %params) = @_;
+
+  my $line_number = 0;
+  foreach my $item (@{ $self->items }) {
+    _line_item($self, %params, item => $item, line_number => $line_number);
+    $line_number++;
+  }
+}
+
+sub _applicable_header_trade_agreement {
+  my ($self, %params) = @_;
+
+  #     <ram:ApplicableHeaderTradeAgreement>
+  $params{xml}->startTag("ram:ApplicableHeaderTradeAgreement");
+
+  $params{xml}->dataElement("ram:BuyerReference", _u8($self->customer->c_vendor_routing_id)) if $self->customer->c_vendor_routing_id;
+
+  _seller_trade_party($self, %params);
+  _buyer_trade_party($self, %params);
+
+  if ($self->cusordnumber) {
+    #     <ram:BuyerOrderReferencedDocument>
+    $params{xml}->startTag("ram:BuyerOrderReferencedDocument");
+    $params{xml}->dataElement("ram:IssuerAssignedID", _u8($self->cusordnumber));
+    $params{xml}->endTag;
+    #     </ram:BuyerOrderReferencedDocument>
+  }
+
+  $params{xml}->endTag;
+  #     </ram:ApplicableHeaderTradeAgreement>
+}
+
+sub _applicable_header_trade_delivery {
+  my ($self, %params) = @_;
+
+  #     <ram:ApplicableHeaderTradeDelivery>
+  $params{xml}->startTag("ram:ApplicableHeaderTradeDelivery");
+  #       <ram:ActualDeliverySupplyChainEvent>
+  $params{xml}->startTag("ram:ActualDeliverySupplyChainEvent");
+
+  $params{xml}->startTag("ram:OccurrenceDateTime");
+  $params{xml}->dataElement("udt:DateTimeString", ($self->deliverydate // $self->transdate)->strftime('%Y%m%d'), format => "102");
+  $params{xml}->endTag;
+
+  $params{xml}->endTag;
+  #       </ram:ActualDeliverySupplyChainEvent>
+  $params{xml}->endTag;
+  #     </ram:ApplicableHeaderTradeDelivery>
+}
+
+sub _applicable_header_trade_settlement {
+  my ($self, %params) = @_;
+
+  #     <ram:ApplicableHeaderTradeSettlement>
+  $params{xml}->startTag("ram:ApplicableHeaderTradeSettlement");
+  $params{xml}->dataElement("ram:InvoiceCurrencyCode", _u8(SL::Helper::ISO4217::map_currency_name_to_code($self->currency->name) // 'EUR'));
+
+  _specified_trade_settlement_payment_means($self, %params);
+  _taxes($self, %params);
+  _payment_terms($self, %params);
+  _totals($self, %params);
+
+  $params{xml}->endTag;
+  #     </ram:ApplicableHeaderTradeSettlement>
+}
+
+sub _supply_chain_trade_transaction {
+  my ($self, %params) = @_;
+
+  #   <rsm:SupplyChainTradeTransaction>
+  $params{xml}->startTag("rsm:SupplyChainTradeTransaction");
+
+  _included_supply_chain_trade_line_item($self, %params);
+  _applicable_header_trade_agreement($self, %params);
+  _applicable_header_trade_delivery($self, %params);
+  _applicable_header_trade_settlement($self, %params);
+
+  $params{xml}->endTag;
+  #   </rsm:SupplyChainTradeTransaction>
+}
+
+sub _validate_data {
+  my ($self) = @_;
+
+  my %result;
+  my $prefix = $::locale->text('The ZUGFeRD invoice data cannot be generated because the data validation failed.') . ' ';
+
+  if (!$::instance_conf->get_co_ustid) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The VAT registration number is missing in the client configuration.'));
+  }
+
+  if (!SL::VATIDNr->validate($::instance_conf->get_co_ustid)) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text("The VAT ID number in the client configuration is invalid."));
+  }
+
+  if (!$::instance_conf->get_company || any { my $get = "get_address_$_"; !$::instance_conf->$get } qw(street1 zipcode city)) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The company\'s address information is incomplete in the client configuration.'));
+  }
+
+  if ($::instance_conf->get_address_country && !SL::Helper::ISO3166::map_name_to_alpha_2_code($::instance_conf->get_address_country)) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The country from the company\'s address in the client configuration cannot be mapped to an ISO 3166-1 alpha 2 code.'));
+  }
+
+  if ($self->customer->country && !SL::Helper::ISO3166::map_name_to_alpha_2_code($self->customer->country)) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The country from the customer\'s address cannot be mapped to an ISO 3166-1 alpha 2 code.'));
+  }
+
+  if (!SL::Helper::ISO4217::map_currency_name_to_code($self->currency->name)) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The currency "#1" cannot be mapped to an ISO 4217 currency code.', $self->currency->name));
+  }
+
+  my $failed_unit = first { !SL::Helper::UNECERecommendation20::map_name_to_code($_) } map { $_->unit } @{ $self->items };
+  if ($failed_unit) {
+    SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('One of the units used (#1) cannot be mapped to a known unit code from the UN/ECE Recommendation 20 list.', $failed_unit));
+  }
+
+  if ($self->direct_debit) {
+    if (!$self->customer->iban) {
+      SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The customer\'s bank account number (IBAN) is missing.'));
+    }
+
+  } else {
+    my $bank_accounts     = SL::DB::Manager::BankAccount->get_all;
+    $result{bank_account} = scalar(@{ $bank_accounts }) == 1 ? $bank_accounts->[0] : first { $_->use_for_zugferd } @{ $bank_accounts };
+
+    if (!$result{bank_account}) {
+      SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('No bank account flagged for Factur-X/ZUGFeRD usage was found.'));
+    }
+  }
+
+  if (_is_profile($self, PROFILE_XRECHNUNG())) {
+    if (!$self->customer->c_vendor_routing_id) {
+      SL::X::ZUGFeRDValidation->throw(message => $prefix . $::locale->text('The value \'our routing id at customer\' must be set in the customer\'s master data for profile #1.', 'XRechnung 2.0'));
+    }
+  }
+
+  return %result;
+}
+
+sub create_zugferd_data {
+  my ($self)        = @_;
+  $self->{_zugferd} = { SL::ZUGFeRD->convert_customer_setting($self->customer->create_zugferd_invoices_for_this_customer) };
+
+  if (!$standards_ids{ $self->{_zugferd}->{profile} }) {
+    croak "Profile '" . $self->{_zugferd}->{profile} . "' is not supported";
+  }
+
+  my $output        = '';
+
+  my %params        = _validate_data($self);
+  $params{ptc_data} = { $self->calculate_prices_and_taxes };
+  $params{xml}      = XML::Writer->new(
+    OUTPUT          => \$output,
+    DATA_MODE       => 1,
+    DATA_INDENT     => 2,
+    ENCODING        => 'utf-8',
+  );
+
+  $params{xml}->xmlDecl();
+
+  # <rsm:CrossIndustryInvoice>
+  $params{xml}->startTag("rsm:CrossIndustryInvoice",
+                         "xmlns:a"   => "urn:un:unece:uncefact:data:standard:QualifiedDataType:100",
+                         "xmlns:rsm" => "urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100",
+                         "xmlns:qdt" => "urn:un:unece:uncefact:data:standard:QualifiedDataType:10",
+                         "xmlns:ram" => "urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100",
+                         "xmlns:xs"  => "http://www.w3.org/2001/XMLSchema",
+                         "xmlns:udt" => "urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100");
+
+  _exchanged_document_context($self, %params);
+  _exchanged_document($self, %params);
+  _supply_chain_trade_transaction($self, %params);
+
+  $params{xml}->endTag;
+  # </rsm:CrossIndustryInvoice>
+
+  return $output;
+}
+
+sub create_zugferd_xmp_data {
+  my ($self) = @_;
+
+  return {
+    conformance_level  => 'EXTENDED',
+    document_file_name => 'factur-x.xml',
+    document_type      => 'INVOICE',
+    version            => '1.0',
+  };
+}
+
+1;