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#=====================================================================
# LX-Office ERP
# Copyright (C) 2004
# Based on SQL-Ledger Version 2.1.9
# Web http://www.lx-office.org
#
#=====================================================================
# SQL-Ledger Accounting
# Copyright (c) 1998-2002
#
# Author: Dieter Simader
# Email: dsimader@sql-ledger.org
# Web: http://www.sql-ledger.org
#
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1335, USA.
#======================================================================
#
# Inventory invoicing module
#
#======================================================================

use SL::FU;
use SL::IS;
use SL::OE;
use SL::Helper::UserPreferences::DisplayPreferences;
use SL::MoreCommon qw(restore_form save_form);
use SL::RecordLinks;

use Data::Dumper;
use DateTime;
use List::MoreUtils qw(any uniq);
use List::Util qw(max sum);
use List::UtilsBy qw(sort_by);
use English qw(-no_match_vars);

use SL::DB::BankTransactionAccTrans;
use SL::DB::Default;
use SL::DB::Customer;
use SL::DB::Department;
use SL::DB::Invoice;
use SL::DB::PaymentTerm;
use SL::DB::ValidityToken;
use SL::Helper::QrBillFunctions qw(get_ref_number_formatted);

require "bin/mozilla/common.pl";
require "bin/mozilla/io.pl";

use strict;

1;

# end of main

sub _may_view_or_edit_this_invoice {
return 1 if $::auth->assert('invoice_edit', 1); # may edit all invoices
return 0 if !$::form->{id}; # creating new invoices isn't allowed without invoice_edit
return 1 if $::auth->assert('sales_invoice_view', 1); # viewing is allowed with this right
return 0 if !$::form->{globalproject_id}; # existing records without a project ID are not allowed
return SL::DB::Project->new(id => $::form->{globalproject_id})->load->may_employee_view_project_invoices(SL::DB::Manager::Employee->current);
}

sub _assert_access {
my $cache = $::request->cache('is.pl::_assert_access');

$cache->{_may_view_or_edit_this_invoice} = _may_view_or_edit_this_invoice() if !exists $cache->{_may_view_or_edit_this_invoice};
$::form->show_generic_error($::locale->text("You do not have the permissions to access this function.")) if ! $cache->{_may_view_or_edit_this_invoice};
}

sub add {
$main::lxdebug->enter_sub();

my $form = $main::form;
my $locale = $main::locale;

$main::auth->assert('invoice_edit');

$form->{show_details} = $::myconfig{show_form_details};

if ($form->{type} eq "credit_note") {
$form->{title} = $locale->text('Add Credit Note');

if ($form->{storno}) {
$form->{title} = $locale->text('Add Storno Credit Note');
}

} elsif ($form->{type} eq "invoice_for_advance_payment") {
$form->{title} = $locale->text('Add Invoice for Advance Payment');

} elsif ($form->{type} eq "final_invoice") {
$form->{title} = $locale->text('Add Final Invoice');

} else {
$form->{title} = $locale->text('Add Sales Invoice');

}

if (!$form->{form_validity_token}) {
$form->{form_validity_token} = SL::DB::ValidityToken->create(scope => SL::DB::ValidityToken::SCOPE_SALES_INVOICE_POST())->token;
}

$form->{callback} = "$form->{script}?action=add&type=$form->{type}" unless $form->{callback};

invoice_links(is_new => 1);
&prepare_invoice;
&display_form;

$main::lxdebug->leave_sub();
}

sub edit {
$main::lxdebug->enter_sub();

# Delay access check to after the invoice's been loaded in
# "invoice_links" so that project-specific invoice rights can be
# evaluated.

my $form = $main::form;
my $locale = $main::locale;

$form->{show_details} = $::myconfig{show_form_details};
$form->{taxincluded_changed_by_user} = 1;

# show history button
$form->{javascript} = qq|<script type="text/javascript" src="js/show_history.js"></script>|;

my ($language_id, $printer_id);
if ($form->{print_and_post}) {
$form->{action} = "print";
$form->{resubmit} = 1;
$language_id = $form->{language_id};
$printer_id = $form->{printer_id};
}

&invoice_links;
if ($form->{type} eq "credit_note") {
$form->{title} = $locale->text('Edit Credit Note');
$form->{title} = $locale->text('Edit Storno Credit Note') if $form->{storno};

} elsif ($form->{type} eq "invoice_for_advance_payment") {
$form->{title} = $locale->text('Edit Invoice for Advance Payment');
$form->{title} = $locale->text('Edit Storno Invoice for Advance Payment') if $form->{storno};

} elsif ($form->{type} eq "final_invoice") {
$form->{title} = $locale->text('Edit Final Invoice');

} else {
$form->{title} = $locale->text('Edit Sales Invoice');
$form->{title} = $locale->text('Edit Storno Invoice') if $form->{storno};
}

&prepare_invoice;
if ($form->{print_and_post}) {
$form->{language_id} = $language_id;
$form->{printer_id} = $printer_id;
}

&display_form;

$main::lxdebug->leave_sub();
}

sub invoice_links {
$main::lxdebug->enter_sub();

# Delay access check to after the invoice's been loaded so that
# project-specific invoice rights can be evaluated.

my %params = @_;
my $form = $main::form;
my %myconfig = %main::myconfig;

$form->{vc} = 'customer';

# create links
$form->create_links("AR", \%myconfig, "customer");

_assert_access();

my $editing = $form->{id};

$form->backup_vars(qw(payment_id language_id taxzone_id salesman_id
taxincluded currency cp_id intnotes id shipto_id
delivery_term_id));

IS->get_customer(\%myconfig, \%$form);

$form->{billing_address_id} = $form->{default_billing_address_id} if $params{is_new};

$form->restore_vars(qw(id));

IS->retrieve_invoice(\%myconfig, \%$form);
$form->restore_vars(qw(payment_id language_id taxzone_id currency intnotes
cp_id shipto_id delivery_term_id));
$form->restore_vars(qw(taxincluded)) if $form->{id};
$form->restore_vars(qw(salesman_id)) if $editing;

$form->{employee} = "$form->{employee}--$form->{employee_id}";

# forex
$form->{forex} = $form->{exchangerate};
my $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;

foreach my $key (keys %{ $form->{AR_links} }) {
foreach my $ref (@{ $form->{AR_links}{$key} }) {
$form->{"select$key"} .= "<option>$ref->{accno}--$ref->{description}</option>\n";
}

if ($key eq "AR_paid") {
next unless $form->{acc_trans}{$key};
for my $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
$form->{"AR_paid_$i"} = "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";

$form->{"acc_trans_id_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{acc_trans_id};
# reverse paid
$form->{"paid_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{amount} * -1;
$form->{"datepaid_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{transdate};
$form->{"gldate_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{gldate};
$form->{"exchangerate_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
$form->{"forex_$i"} = $form->{"exchangerate_$i"};
$form->{"source_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{source};
$form->{"memo_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{memo};

$form->{paidaccounts} = $i;
# hook for calc of of fx_paid and check if banktransaction has a record exchangerate
if ($form->{"exchangerate_$i"}) {
my $bt_acc_trans;
my $bt_acc_trans = SL::DB::Manager::BankTransactionAccTrans->find_by(acc_trans_id => $form->{"acc_trans_id_$i"});
if ($bt_acc_trans) {
if ($bt_acc_trans->bank_transaction->exchangerate > 0) {
$form->{"exchangerate_$i"} = $bt_acc_trans->bank_transaction->exchangerate;
$form->{"forex_$i"} = $form->{"exchangerate_$i"};
$form->{"record_forex_$i"} = 1;
}
}
$form->{"fx_paid_$i"} = $form->{"paid_$i"} / $form->{"exchangerate_$i"};
$form->{"fx_totalpaid"} += $form->{"fx_paid_$i"};
} # end hook fx_paid
}
} else {
$form->{$key} = "$form->{acc_trans}{$key}->[0]->{accno}--$form->{acc_trans}{$key}->[0]->{description}";
}
}

$form->{paidaccounts} = 1 unless (exists $form->{paidaccounts});

$form->{AR} = $form->{AR_1} unless $form->{id};

$form->{locked} = ($form->datetonum($form->{invdate}, \%myconfig)
<= $form->datetonum($form->{closedto}, \%myconfig));

$main::lxdebug->leave_sub();
}

sub prepare_invoice {
$main::lxdebug->enter_sub();

_assert_access();

my $form = $main::form;
my %myconfig = %main::myconfig;

if ($form->{type} eq "credit_note") {
$form->{type} = "credit_note";
$form->{formname} = "credit_note";

} elsif ($form->{type} eq "invoice_for_advance_payment") {
$form->{type} = "invoice_for_advance_payment";
$form->{formname} = "invoice_for_advance_payment";

} elsif ($form->{type} eq "final_invoice") {
$form->{type} = "final_invoice";
$form->{formname} = "final_invoice";

} elsif ($form->{formname} eq "proforma" ) {
$form->{type} = "invoice";

} else {
$form->{type} = "invoice";
$form->{formname} = "invoice";
}

if ($form->{id}) {

my $i = 0;

foreach my $ref (@{ $form->{invoice_details} }) {
$i++;

map { $form->{"${_}_$i"} = $ref->{$_} } keys %{$ref};

$form->{"discount_$i"} = $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100);
my ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
$dec = length $dec;
my $decimalplaces = ($dec > 2) ? $dec : 2;

$form->{"sellprice_$i"} = $form->format_amount(\%myconfig, $form->{"sellprice_$i"}, $decimalplaces);
(my $dec_qty) = ($form->{"qty_$i"} =~ /\.(\d+)/);
$dec_qty = length $dec_qty;

$form->{"lastcost_$i"} = $form->format_amount(\%myconfig, $form->{"lastcost_$i"}, $decimalplaces);

$form->{"qty_$i"} = $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);

$form->{"sellprice_pg_$i"} = join ('--', $form->{"sellprice_$i"}, $form->{"pricegroup_id_$i"});

$form->{rowcount} = $i;

}
}
$main::lxdebug->leave_sub();
}

sub setup_is_action_bar {
my ($tmpl_var) = @_;
my $form = $::form;
my $change_never = $::instance_conf->get_is_changeable == 0;
my $change_on_same_day_only = $::instance_conf->get_is_changeable == 2 && ($form->current_date(\%::myconfig) ne $form->{gldate});
my $payments_balanced = ($::form->{oldtotalpaid} == 0);
my $has_storno = ($::form->{storno} && !$::form->{storno_id});
my $may_edit_create = $::auth->assert('invoice_edit', 1);
my $factur_x_enabled = $tmpl_var->{invoice_obj} && $tmpl_var->{invoice_obj}->customer->create_zugferd_invoices_for_this_customer;
my ($is_linked_bank_transaction, $warn_unlinked_delivery_order);
if ($::form->{id}
&& SL::DB::Default->get->payments_changeable != 0
&& SL::DB::Manager::BankTransactionAccTrans->find_by(ar_id => $::form->{id})) {

$is_linked_bank_transaction = 1;
}
if ($::instance_conf->get_warn_no_delivery_order_for_invoice && !$form->{id}) {
$warn_unlinked_delivery_order = 1 unless $form->{convert_from_do_ids};
}

my $has_further_invoice_for_advance_payment;
if ($form->{id} && $form->{type} eq "invoice_for_advance_payment") {
my $invoice_obj = SL::DB::Invoice->load_cached($form->{id});
my $lr = $invoice_obj->linked_records(direction => 'to', to => ['Invoice']);
$has_further_invoice_for_advance_payment = any {'SL::DB::Invoice' eq ref $_ && "invoice_for_advance_payment" eq $_->type} @$lr;
}

my $has_final_invoice;
if ($form->{id} && $form->{type} eq "invoice_for_advance_payment") {
my $invoice_obj = SL::DB::Invoice->load_cached($form->{id});
my $lr = $invoice_obj->linked_records(direction => 'to', to => ['Invoice']);
$has_final_invoice = any {'SL::DB::Invoice' eq ref $_ && "final_invoice" eq $_->invoice_type} @$lr;
}

my $is_invoice_for_advance_payment_from_order;
if ($form->{id} && $form->{type} eq "invoice_for_advance_payment") {
my $invoice_obj = SL::DB::Invoice->load_cached($form->{id});
my $lr = $invoice_obj->linked_records(direction => 'from', from => ['Order']);
$is_invoice_for_advance_payment_from_order = scalar @$lr >= 1;
}
# add readonly state in tmpl_vars
$tmpl_var->{readonly} = !$may_edit_create ? 1
: $form->{locked} ? 1
: $form->{storno} ? 1
: ($form->{id} && $change_never) ? 1
: ($form->{id} && $change_on_same_day_only) ? 1
: $is_linked_bank_transaction ? 1
: 0;

for my $bar ($::request->layout->get('actionbar')) {
$bar->add(
action => [
t8('Update'),
submit => [ '#form', { action => "update" } ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: $form->{locked} ? t8('The billing period has already been locked.')
: undef,
id => 'update_button',
accesskey => 'enter',
],

combobox => [
action => [
t8('Post'),
submit => [ '#form', { action => "post" } ],
checks => [ 'kivi.validate_form' ],
confirm => t8('The invoice is not linked with a sales delivery order. Post anyway?') x !!$warn_unlinked_delivery_order,
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: $form->{locked} ? t8('The billing period has already been locked.')
: $form->{storno} ? t8('A canceled invoice cannot be posted.')
: ($form->{id} && $change_never) ? t8('Changing invoices has been disabled in the configuration.')
: ($form->{id} && $change_on_same_day_only) ? t8('Invoices can only be changed on the day they are posted.')
: $is_linked_bank_transaction ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
: undef,
],
action => [
t8('Post Payment'),
submit => [ '#form', { action => "post_payment" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $is_linked_bank_transaction ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
: undef,
only_if => $form->{type} ne "invoice_for_advance_payment",
],
action => [ t8('Mark as paid'),
submit => [ '#form', { action => "mark_as_paid" } ],
confirm => t8('This will remove the invoice from showing as unpaid even if the unpaid amount does not match the amount. Proceed?'),
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: undef,
only_if => ($::instance_conf->get_is_show_mark_as_paid && $form->{type} ne "invoice_for_advance_payment") || $form->{type} eq 'final_invoice',
],
], # end of combobox "Post"

combobox => [
action => [ t8('Storno'),
submit => [ '#form', { action => "storno" } ],
confirm => t8('Do you really want to cancel this invoice?'),
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $form->{storno} ? t8('Cannot storno storno invoice!')
: $form->{locked} ? t8('The billing period has already been locked.')
: !$payments_balanced ? t8('Cancelling is disallowed. Either undo or balance the current payments until the open amount matches the invoice amount')
: undef,
],
action => [ t8('Delete'),
submit => [ '#form', { action => "delete" } ],
confirm => t8('Do you really want to delete this object?'),
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $form->{locked} ? t8('The billing period has already been locked.')
: $change_never ? t8('Changing invoices has been disabled in the configuration.')
: $change_on_same_day_only ? t8('Invoices can only be changed on the day they are posted.')
: $has_storno ? t8('Can only delete the "Storno zu" part of the cancellation pair.')
: undef,
],
], # end of combobox "Storno"

'separator',

combobox => [
action => [ t8('Workflow') ],
action => [
t8('Use As New'),
submit => [ '#form', { action => "use_as_new" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: undef,
],
action => [
t8('Further Invoice for Advance Payment'),
submit => [ '#form', { action => "further_invoice_for_advance_payment" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $has_further_invoice_for_advance_payment ? t8('This invoice has already a further invoice for advanced payment.')
: $has_final_invoice ? t8('This invoice has already a final invoice.')
: $is_invoice_for_advance_payment_from_order ? t8('This invoice was added from an order. See there.')
: undef,
only_if => $form->{type} eq "invoice_for_advance_payment",
],
action => [
t8('Final Invoice'),
submit => [ '#form', { action => "final_invoice" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $has_further_invoice_for_advance_payment ? t8('This invoice has a further invoice for advanced payment.')
: $has_final_invoice ? t8('This invoice has already a final invoice.')
: $is_invoice_for_advance_payment_from_order ? t8('This invoice was added from an order. See there.')
: undef,
only_if => $form->{type} eq "invoice_for_advance_payment",
],
action => [
t8('Credit Note'),
submit => [ '#form', { action => "credit_note" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: $form->{type} eq "credit_note" ? t8('Credit notes cannot be converted into other credit notes.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $form->{storno} ? t8('A canceled invoice cannot be used. Please undo the cancellation first.')
: undef,
],
action => [
t8('Sales Order'),
submit => [ '#form', { action => "order" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$form->{id} ? t8('This invoice has not been posted yet.') : undef,
],
], # end of combobox "Workflow"

combobox => [
action => [ t8('Export') ],
action => [
($form->{id} ? t8('Print') : t8('Preview')),
call => [ 'kivi.SalesPurchase.show_print_dialog', $form->{id} ? 'print' : 'preview' ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not print this invoice.')
: !$form->{id} && $form->{locked} ? t8('The billing period has already been locked.')
: undef,
],
action => [ t8('Print and Post'),
call => [ 'kivi.SalesPurchase.show_print_dialog', 'print_and_post' ],
checks => [ 'kivi.validate_form' ],
confirm => t8('The invoice is not linked with a sales delivery order. Post anyway?') x !!$warn_unlinked_delivery_order,
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: $form->{locked} ? t8('The billing period has already been locked.')
: $form->{storno} ? t8('A canceled invoice cannot be posted.')
: ($form->{id} && $change_never) ? t8('Changing invoices has been disabled in the configuration.')
: ($form->{id} && $change_on_same_day_only) ? t8('Invoices can only be changed on the day they are posted.')
: $is_linked_bank_transaction ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
: undef,
],
action => [ t8('E Mail'),
call => [ 'kivi.SalesPurchase.show_email_dialog' ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not print this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: $form->{postal_invoice} ? t8('This customer wants a postal invoices.')
: undef,
],
action => [ t8('Factur-X/ZUGFeRD'),
submit => [ '#form', { action => "download_factur_x_xml" } ],
checks => [ 'kivi.validate_form' ],
disabled => !$may_edit_create ? t8('You must not print this invoice.')
: !$form->{id} ? t8('This invoice has not been posted yet.')
: !$factur_x_enabled ? t8('Creating Factur-X/ZUGFeRD invoices is not enabled for this customer.')
: undef,
],
], # end of combobox "Export"

combobox => [
action => [ t8('more') ],
action => [
t8('History'),
call => [ 'set_history_window', $form->{id} * 1, 'glid' ],
disabled => !$form->{id} ? t8('This invoice has not been posted yet.') : undef,
],
action => [
t8('Follow-Up'),
call => [ 'follow_up_window' ],
disabled => !$form->{id} ? t8('This invoice has not been posted yet.') : undef,
],
action => [
t8('Drafts'),
call => [ 'kivi.Draft.popup', 'is', 'invoice', $form->{draft_id}, $form->{draft_description} ],
disabled => !$may_edit_create ? t8('You must not change this invoice.')
: $form->{id} ? t8('This invoice has already been posted.')
: $form->{locked} ? t8('The billing period has already been locked.')
: undef,
],
], # end of combobox "more"
);
}
$::request->layout->add_javascripts('kivi.Validator.js');
}

sub form_header {
$main::lxdebug->enter_sub();

_assert_access();

my $form = $main::form;
my %myconfig = %main::myconfig;
my $locale = $main::locale;
my $cgi = $::request->{cgi};

my %TMPL_VAR = ();
my @custom_hiddens;

$TMPL_VAR{customer_obj} = SL::DB::Customer->load_cached($form->{customer_id}) if $form->{customer_id};
$TMPL_VAR{invoice_obj} = SL::DB::Invoice->load_cached($form->{id}) if $form->{id};

# only print, no mail
$form->{postal_invoice} = $TMPL_VAR{customer_obj}->postal_invoice if ref $TMPL_VAR{customer_obj} eq 'SL::DB::Customer';

my $current_employee = SL::DB::Manager::Employee->current;
$form->{employee_id} = $form->{old_employee_id} if $form->{old_employee_id};
$form->{salesman_id} = $form->{old_salesman_id} if $form->{old_salesman_id};
$form->{employee_id} ||= $current_employee->id;
$form->{salesman_id} ||= $current_employee->id;

$form->{defaultcurrency} = $form->get_default_currency(\%myconfig);

$form->get_lists("taxzones" => ($form->{id} ? "ALL_TAXZONES" : "ALL_ACTIVE_TAXZONES"),
"currencies" => "ALL_CURRENCIES",
"price_factors" => "ALL_PRICE_FACTORS");

$form->{ALL_DEPARTMENTS} = SL::DB::Manager::Department->get_all_sorted;
$form->{ALL_LANGUAGES} = SL::DB::Manager::Language->get_all_sorted;
$form->{ALL_DELIVERY_TERMS} = SL::DB::Manager::DeliveryTerm->get_all_sorted();

# Projects
my @old_project_ids = uniq grep { $_ } map { $_ * 1 } ($form->{"globalproject_id"}, map { $form->{"project_id_$_"} } 1..$form->{"rowcount"});
my @old_ids_cond = @old_project_ids ? (id => \@old_project_ids) : ();
my @customer_cond;
if ($::instance_conf->get_customer_projects_only_in_sales) {
@customer_cond = (
or => [
customer_id => $::form->{customer_id},
billable_customer_id => $::form->{customer_id},
]);
}
my @conditions = (
or => [
and => [ active => 1, @customer_cond ],
@old_ids_cond,
]);

$TMPL_VAR{ALL_PROJECTS} = SL::DB::Manager::Project->get_all_sorted(query => \@conditions);
$form->{ALL_PROJECTS} = $TMPL_VAR{ALL_PROJECTS}; # make projects available for second row drop-down in io.pl
$TMPL_VAR{ALL_EMPLOYEES} = SL::DB::Manager::Employee->get_all_sorted(query => [ or => [ id => $::form->{employee_id}, deleted => 0 ] ]);
$TMPL_VAR{ALL_SALESMEN} = SL::DB::Manager::Employee->get_all_sorted(query => [ or => [ id => $::form->{salesman_id}, deleted => 0 ] ]);
$TMPL_VAR{ALL_SHIPTO} = SL::DB::Manager::Shipto->get_all_sorted(query => [
or => [ trans_id => $::form->{"$::form->{vc}_id"} * 1, and => [ shipto_id => $::form->{shipto_id} * 1, trans_id => undef ] ]
]);
$TMPL_VAR{ALL_CONTACTS} = SL::DB::Manager::Contact->get_all_sorted(query => [
or => [
cp_cv_id => $::form->{"$::form->{vc}_id"} * 1,
and => [
cp_cv_id => undef,
cp_id => $::form->{cp_id} * 1
]
]
]);

# currencies and exchangerate
my @values = map { $_ } @{ $form->{ALL_CURRENCIES} };
my %labels = map { $_ => $_ } @{ $form->{ALL_CURRENCIES} };
$form->{currency} = $form->{defaultcurrency} unless $form->{currency};
$form->{show_exchangerate} = $form->{currency} ne $form->{defaultcurrency};
$TMPL_VAR{currencies} = NTI($::request->{cgi}->popup_menu('-name' => 'currency', '-default' => $form->{"currency"},
'-values' => \@values, '-labels' => \%labels,
'-onchange' => "document.getElementById('update_button').click();"
)) if scalar @values;
push @custom_hiddens, "forex";
push @custom_hiddens, "exchangerate" if $form->{forex};

$TMPL_VAR{creditwarning} = ($form->{creditlimit} != 0) && ($form->{creditremaining} < 0) && !$form->{update};
$TMPL_VAR{is_credit_remaining_negativ} = $form->{creditremaining} =~ /-/;

# qr reference
my $has_qr_reference = $::instance_conf->get_create_qrbill_invoices == 1 &&
$form->{formname} eq 'invoice' ? 1 : 0;
$TMPL_VAR{has_qr_reference} = $has_qr_reference;

if ($has_qr_reference && defined $form->{qr_reference}) {
$TMPL_VAR{qr_reference_formatted} = get_ref_number_formatted($form->{qr_reference});
}

# set option selected
foreach my $item (qw(AR)) {
$form->{"select$item"} =~ s/ selected//;
$form->{"select$item"} =~ s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
}

$TMPL_VAR{is_type_normal_invoice} = $form->{type} eq "invoice";
$TMPL_VAR{is_type_credit_note} = $form->{type} eq "credit_note";
$TMPL_VAR{is_format_html} = $form->{format} eq 'html';
$TMPL_VAR{dateformat} = $myconfig{dateformat};
$TMPL_VAR{numberformat} = $myconfig{numberformat};
$TMPL_VAR{longdescription_dialog_size_percentage} = SL::Helper::UserPreferences::DisplayPreferences->new()->get_longdescription_dialog_size_percentage();

# hiddens
$TMPL_VAR{HIDDENS} = [qw(
id type queued printed emailed vc discount
title creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
max_dunning_level dunning_amount dunning_description
taxaccounts cursor_fokus
convert_from_do_ids convert_from_oe_ids convert_from_ar_ids useasnew
invoice_id
show_details
), @custom_hiddens,
map { $_.'_rate', $_.'_description', $_.'_taxnumber', $_.'_tax_id' } split / /, $form->{taxaccounts}];

$::request->{layout}->use_javascript(map { "${_}.js" } qw(kivi.Draft kivi.File kivi.SalesPurchase kivi.Part kivi.CustomerVendor kivi.Validator ckeditor/ckeditor ckeditor/adapters/jquery kivi.io client_js));

$TMPL_VAR{payment_terms_obj} = get_payment_terms_for_invoice();
$form->{duedate} = $TMPL_VAR{payment_terms_obj}->calc_date(reference_date => $form->{invdate}, due_date => $form->{duedate})->to_kivitendo if $TMPL_VAR{payment_terms_obj};

setup_is_action_bar(\%TMPL_VAR);

$form->header();

print $form->parse_html_template("is/form_header", \%TMPL_VAR);

$main::lxdebug->leave_sub();
}

sub _sort_payments {
my @fields = qw(acc_trans_id gldate datepaid source memo paid AR_paid);
my @payments =
grep { $_->{paid} != 0 }
map {
my $idx = $_;
+{ map { ($_ => delete($::form->{"${_}_${idx}"})) } @fields }
} (1..$::form->{paidaccounts});

@payments = sort_by { DateTime->from_kivitendo($_->{datepaid}) } @payments;

$::form->{paidaccounts} = max scalar(@payments), 1;

foreach my $idx (1 .. scalar(@payments)) {
my $payment = $payments[$idx - 1];
$::form->{"${_}_${idx}"} = $payment->{$_} for @fields;
}
}

sub form_footer {
$main::lxdebug->enter_sub();

_assert_access();

my $form = $main::form;
my %myconfig = %main::myconfig;
my $locale = $main::locale;

$form->{invtotal} = $form->{invsubtotal};

# tax, total and subtotal calculations
my ($tax, $subtotal);
$form->{taxaccounts_array} = [ split(/ /, $form->{taxaccounts}) ];

if( $form->{customer_id} && !$form->{taxincluded_changed_by_user} ) {
my $customer = SL::DB::Customer->load_cached($form->{customer_id});
$form->{taxincluded} = defined($customer->taxincluded_checked) ? $customer->taxincluded_checked : $myconfig{taxincluded_checked};
}

foreach my $item (@{ $form->{taxaccounts_array} }) {
if ($form->{"${item}_base"}) {
if ($form->{taxincluded}) {
$form->{"${item}_total"} = $form->round_amount( ($form->{"${item}_base"} * $form->{"${item}_rate"}
/ (1 + $form->{"${item}_rate"})), 2);
$form->{"${item}_netto"} = $form->round_amount( ($form->{"${item}_base"} - $form->{"${item}_total"}), 2);
} else {
$form->{"${item}_total"} = $form->round_amount( $form->{"${item}_base"} * $form->{"${item}_rate"}, 2);
$form->{invtotal} += $form->{"${item}_total"};
}
}
}

my $grossamount = $form->{invtotal};
$form->{invtotal} = $form->round_amount( $form->{invtotal}, 2, 1 );
$form->{rounding} = $form->round_amount(
$form->{invtotal} - $form->round_amount($grossamount, 2),
2
);

# follow ups
if ($form->{id}) {
$form->{follow_ups} = FU->follow_ups('trans_id' => $form->{id}, 'not_done' => 1) || [];
$form->{follow_ups_unfinished} = ( sum map { $_->{due} * 1 } @{ $form->{follow_ups} } ) || 0;
}

# payments
_sort_payments();

my $totalpaid = 0;
$form->{paidaccounts}++ if ($form->{"paid_$form->{paidaccounts}"});
$form->{paid_indices} = [ 1 .. $form->{paidaccounts} ];

# Standard Konto für Umlaufvermögen
my $accno_arap = IS->get_standard_accno_current_assets(\%myconfig, \%$form);

for my $i (1 .. $form->{paidaccounts}) {
$form->{"changeable_$i"} = 1;
if (SL::DB::Default->get->payments_changeable == 0) {
# never
$form->{"changeable_$i"} = ($form->{"acc_trans_id_$i"})? 0 : 1;
} elsif (SL::DB::Default->get->payments_changeable == 2) {
# on the same day
$form->{"changeable_$i"} = (($form->{"gldate_$i"} eq '') ||
($form->current_date(\%myconfig) eq $form->{"gldate_$i"}));
}

#deaktivieren von gebuchten Zahlungen ausserhalb der Bücherkontrolle, vorher prüfen ob heute eingegeben
if ($form->date_closed($form->{"gldate_$i"})) {
$form->{"changeable_$i"} = 0;
}
# don't add manual bookings for charts which are assigned to real bank accounts
my $bank_accounts = SL::DB::Manager::BankAccount->get_all();
foreach my $bank (@{ $bank_accounts }) {
my $accno_paid_bank = $bank->chart->accno;
$form->{selectAR_paid} =~ s/<option>$accno_paid_bank--(.*?)<\/option>//;
}

$form->{"selectAR_paid_$i"} = $form->{selectAR_paid};
if (!$form->{"AR_paid_$i"}) {
$form->{"selectAR_paid_$i"} =~ s/option>$accno_arap--(.*?)</option selected>$accno_arap--$1</;
} else {
$form->{"selectAR_paid_$i"} =~ s/option>\Q$form->{"AR_paid_$i"}\E/option selected>$form->{"AR_paid_$i"}/;
}

$totalpaid += $form->{"paid_$i"};
}