projekt kivitendo

use List::MoreUtils qw(any uniq);

  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;

  }

        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.')

                    :                     undef,

          only_if  => $form->{type} eq "invoice_for_advance_payment",

        ],

sub further_invoice_for_advance_payment {

  my $form     = $main::form;

  my %myconfig = %main::myconfig;

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

  delete @{ $form }{qw(printed emailed queued invnumber invdate exchangerate forex deliverydate datepaid_1 gldate_1 acc_trans_id_1 source_1 memo_1 paid_1 exchangerate_1 AP_paid_1 storno locked)};

  $form->{convert_from_ar_ids} = $form->{id};

  $form->{id}                  = '';

  $form->{rowcount}--;

  $form->{paidaccounts}        = 1;

  $form->{invdate}             = $form->current_date(\%myconfig);

  my $terms                    = get_payment_terms_for_invoice();

  $form->{duedate}             = $terms ? $terms->calc_date(reference_date => $form->{invdate})->to_kivitendo : $form->{invdate};

  $form->{employee_id}         = SL::DB::Manager::Employee->current->id;

  $form->{forex}               = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{invdate}, 'buy');

  $form->{exchangerate}        = $form->{forex} if $form->{forex};

  $form->{"converted_from_invoice_id_$_"} = delete $form->{"invoice_id_$_"} for 1 .. $form->{"rowcount"};

  &display_form;

}