X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/4cc5904b3ed7efd6a3d1c1f77ed23bf589fe7d0d..fbcd5580:/bin/mozilla/is.pl?ds=sidebyside

diff --git a/bin/mozilla/is.pl b/bin/mozilla/is.pl
index 0e67ed475..5ac59b27e 100644
--- a/bin/mozilla/is.pl
+++ b/bin/mozilla/is.pl
@@ -24,7 +24,8 @@
 # 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1335, USA.
 #======================================================================
 #
 # Inventory invoicing module
@@ -33,21 +34,26 @@
 
 use SL::FU;
 use SL::IS;
-use SL::PE;
+use SL::OE;
+use SL::MoreCommon qw(restore_form save_form);
 use Data::Dumper;
+use DateTime;
+use List::MoreUtils qw(uniq);
 use List::Util qw(max sum);
+use List::UtilsBy qw(sort_by);
+use English qw(-no_match_vars);
 
+use SL::DB::Default;
+use SL::DB::Customer;
+use SL::DB::Department;
+use SL::DB::Invoice;
+use SL::DB::PaymentTerm;
+
+require "bin/mozilla/common.pl";
 require "bin/mozilla/io.pl";
-require "bin/mozilla/invoice_io.pl";
-require "bin/mozilla/arap.pl";
-require "bin/mozilla/drafts.pl";
 
 use strict;
 
-my $edit;
-my $payment;
-my $print_post;
-
 1;
 
 # end of main
@@ -60,7 +66,7 @@ sub add {
 
   $main::auth->assert('invoice_edit');
 
-  return $main::lxdebug->leave_sub() if (load_draft_maybe());
+  $form->{show_details} = $::myconfig{show_form_details};
 
   if ($form->{type} eq "credit_note") {
     $form->{title} = $locale->text('Add Credit Note');
@@ -76,8 +82,6 @@ sub add {
 
   $form->{callback} = "$form->{script}?action=add&type=$form->{type}" unless $form->{callback};
 
-  $form->{jsscript} = "date";
-
   &invoice_links;
   &prepare_invoice;
   &display_form;
@@ -89,14 +93,16 @@ sub edit {
   $main::lxdebug->enter_sub();
 
   my $form     = $main::form;
+  my $locale   = $main::locale;
 
   $main::auth->assert('invoice_edit');
 
+  $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>|;
-  #/show hhistory button
 
-  $edit = 1;
   my ($language_id, $printer_id);
   if ($form->{print_and_post}) {
     $form->{action}   = "print";
@@ -104,7 +110,16 @@ sub edit {
     $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};
+  } 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;
@@ -127,77 +142,23 @@ sub invoice_links {
   $form->{vc} = 'customer';
 
   # create links
-  $form->{webdav}   = $main::webdav;
-  $form->{lizenzen} = $main::lizenzen;
-
   $form->create_links("AR", \%myconfig, "customer");
 
-  if ($form->{all_customer}) {
-    unless ($form->{customer_id}) {
-      $form->{customer_id} = $form->{all_customer}->[0]->{id};
-      $form->{salesman_id} = $form->{all_customer}->[0]->{salesman_id};
-    }
-  }
+  my $editing = $form->{id};
 
-  my $payment_id;
-  if ($form->{payment_id}) {
-    $payment_id = $form->{payment_id};
-  }
-  my $language_id;
-  if ($form->{language_id}) {
-    $language_id = $form->{language_id};
-  }
-  my $taxzone_id;
-  if ($form->{taxzone_id}) {
-    $taxzone_id = $form->{taxzone_id};
-  }
-  my $id;
-  if ($form->{id}) {
-    $id = $form->{id};
-  }
-  my $shipto_id;
-  if ($form->{shipto_id}) {
-    $shipto_id = $form->{shipto_id};
-  }
+  $form->backup_vars(qw(payment_id language_id taxzone_id salesman_id
+                        taxincluded currency cp_id intnotes id shipto_id
+                        delivery_term_id));
 
-  my $cp_id = $form->{cp_id};
   IS->get_customer(\%myconfig, \%$form);
 
-  #quote all_customer Bug 133
-  foreach my $ref (@{ $form->{all_customer} }) {
-    $ref->{name} = $form->quote($ref->{name});
-  }
-  if ($id) {
-    $form->{id} = $id;
-  }
-  IS->retrieve_invoice(\%myconfig, \%$form);
-  $form->{cp_id} = $cp_id;
-
-  if ($payment_id) {
-    $form->{payment_id} = $payment_id;
-  }
-  if ($language_id) {
-    $form->{language_id} = $language_id;
-  }
-  if ($taxzone_id) {
-    $form->{taxzone_id} = $taxzone_id;
-  }
-  if ($shipto_id) {
-    $form->{shipto_id} = $shipto_id;
-  }
+  $form->restore_vars(qw(id));
 
-  $form->{oldcustomer} = "$form->{customer}--$form->{customer_id}";
-
-  # departments
-  if ($form->{all_departments}) {
-    $form->{selectdepartment} = "<option>\n";
-    $form->{department}       = "$form->{department}--$form->{department_id}";
-
-    map {
-      $form->{selectdepartment} .=
-        "<option>$_->{description}--$_->{id}</option>\n"
-    } (@{ $form->{all_departments} });
-  }
+  IS->retrieve_invoice(\%myconfig, \%$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}";
 
@@ -207,41 +168,37 @@ sub invoice_links {
 
   foreach my $key (keys %{ $form->{AR_links} }) {
     foreach my $ref (@{ $form->{AR_links}{$key} }) {
-      $form->{"select$key"} .=
-"<option>$ref->{accno}--$ref->{description}</option>\n";
+      $form->{"select$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}";
+        $form->{"AR_paid_$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};
-        $form->{"forex_$i"} = $form->{"exchangerate_$i"} =
-          $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
-        $form->{"source_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{source};
-        $form->{"memo_$i"}   = $form->{acc_trans}{$key}->[$i - 1]->{memo};
+        $form->{"paid_$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;
       }
     } else {
-      $form->{$key} =
-        "$form->{acc_trans}{$key}->[0]->{accno}--$form->{acc_trans}{$key}->[0]->{description}";
+      $form->{$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));
+  $form->{locked} = ($form->datetonum($form->{invdate},  \%myconfig)
+                  <= $form->datetonum($form->{closedto}, \%myconfig));
 
   $main::lxdebug->leave_sub();
 }
@@ -257,6 +214,8 @@ sub prepare_invoice {
   if ($form->{type} eq "credit_note") {
     $form->{type}     = "credit_note";
     $form->{formname} = "credit_note";
+  } elsif ($form->{formname} eq "proforma" ) {
+    $form->{type}     = "invoice";
   } else {
     $form->{type}     = "invoice";
     $form->{formname} = "invoice";
@@ -280,15 +239,15 @@ sub prepare_invoice {
       (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;
 
     }
-
-    # get pricegroups for parts
-    IS->get_pricegroups_for_parts(\%myconfig, \%$form);
-    set_pricegroup($_) for 1 .. $form->{rowcount};
   }
   $main::lxdebug->leave_sub();
 }
@@ -299,764 +258,252 @@ sub form_header {
   my $form     = $main::form;
   my %myconfig = %main::myconfig;
   my $locale   = $main::locale;
-  my $cgi      = $main::cgi;
+  my $cgi      = $::request->{cgi};
 
   $main::auth->assert('invoice_edit');
 
-  our %TMPL_VAR = ();
+  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};
+
   $form->{employee_id} = $form->{old_employee_id} if $form->{old_employee_id};
   $form->{salesman_id} = $form->{old_salesman_id} if $form->{old_salesman_id};
 
-  if ($edit) {
-    if ($form->{type} eq "credit_note") {
-      $form->{title} = $locale->text('Edit Credit Note');
-      $form->{title} = $locale->text('Edit Storno Credit Note') if $form->{storno};
-    } else {
-      $form->{title} = $locale->text('Edit Sales Invoice');
-      $form->{title} = $locale->text('Edit Storno Invoice')     if $form->{storno};
-    }
-  }
   $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
-  $form->{radier}          = ($form->current_date(\%myconfig) eq $form->{gldate}) ? 1 : 0;
 
-  $payment = qq|<option value=""></option>|;
-  foreach my $item (@{ $form->{payment_terms} }) {
-    if ($form->{payment_id} eq $item->{id}) {
-      $payment .= qq|<option value="$item->{id}" selected>$item->{description}</option>|;
-    } else {
-      $payment .= qq|<option value="$item->{id}">$item->{description}</option>|;
-    }
-  }
-
-  my $set_duedate_url = "$form->{script}?action=set_duedate";
-
-  my $pjx = new CGI::Ajax( 'set_duedate' => $set_duedate_url );
-  push(@ { $form->{AJAX} }, $pjx);
-
-  my @old_project_ids = ($form->{"globalproject_id"});
-  map { push @old_project_ids, $form->{"project_id_$_"} if $form->{"project_id_$_"}; } 1..$form->{"rowcount"};
-
-  $form->get_lists("contacts"      => "ALL_CONTACTS",
-                   "shipto"        => "ALL_SHIPTO",
-                   "projects"      => { "key"    => "ALL_PROJECTS",
-                                        "all"    => 0,
-                                        "old_id" => \@old_project_ids },
-                   "employees"     => "ALL_EMPLOYEES",
-                   "salesmen"      => "ALL_SALESMEN",
-                   "taxzones"      => "ALL_TAXZONES",
+  $form->get_lists("taxzones"      => ($form->{id} ? "ALL_TAXZONES" : "ALL_ACTIVE_TAXZONES"),
                    "currencies"    => "ALL_CURRENCIES",
-                   "customers"     => "ALL_CUSTOMERS",
                    "price_factors" => "ALL_PRICE_FACTORS");
 
-  $TMPL_VAR{sales_employee_labels} = sub { $_[0]->{name} || $_[0]->{login} };
-  $TMPL_VAR{shipto_labels}         = sub { join "; ", grep { $_ } map { $_[0]->{"shipto${_}" } } qw(name department_1 street city) };
-  $TMPL_VAR{contact_labels}        = sub { join(', ', $_[0]->{"cp_name"}, $_[0]->{"cp_givenname"}) . ($_[0]->{cp_abteilung} ? " ($_[0]->{cp_abteilung})" : "") };
-  $TMPL_VAR{department_labels}     = sub { "$_[0]->{description}--$_[0]->{id}" };
-
-  # customer
-  $TMPL_VAR{vc_keys} = sub { "$_[0]->{name}--$_[0]->{id}" };
-  $TMPL_VAR{vclimit} = $myconfig{vclimit};
-  $TMPL_VAR{vc_select} = "customer_or_vendor_selection_window('$form->{vc}', '', @{[ $form->{vc} eq 'vendor' ? 1 : 0 ]}, 0)";
-  push @custom_hiddens, "$form->{vc}_id";
-  push @custom_hiddens, "old$form->{vc}";
-  push @custom_hiddens, "select$form->{vc}";
+  $form->{ALL_DEPARTMENTS} = SL::DB::Manager::Department->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};
-  $TMPL_VAR{show_exchangerate} = $form->{currency} ne $form->{defaultcurrency};
-  $TMPL_VAR{currencies}        = NTI($cgi->popup_menu('-name' => 'currency', '-default' => $form->{"currency"},
-                                                      '-values' => \@values, '-labels' => \%labels)) if scalar @values;
+  $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} =~ /-/;
 
-  $form->{fokus} = "invoice.customer";
-
-  my $follow_up_vc         =  $form->{customer};
-  $follow_up_vc            =~ s/--\d*\s*$//;
-  $TMPL_VAR{customer_name} = $follow_up_vc;
-
 # set option selected
-  foreach my $item (qw(AR customer currency department employee)) {
+  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_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{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};
+
+  push @custom_hiddens, map { "shiptocvar_" . $_->name } @{ SL::DB::Manager::CustomVariableConfig->get_all(where => [ module => 'ShipTo' ]) };
 
   # hiddens
-  $TMPL_VAR{HIDDEN} = [qw(
-    id action type media format queued printed emailed title vc discount
-    creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
-    max_dunning_level dunning_amount
-    shiptoname shiptostreet shiptozipcode shiptocity shiptocountry  shiptocontact shiptophone shiptofax
-    shiptoemail shiptodepartment_1 shiptodepartment_2 message email subject cc bcc taxaccounts cursor_fokus
-    convert_from_do_ids convert_from_oe_ids
+  $TMPL_VAR{HIDDENS} = [qw(
+    id type media format queued printed emailed title vc discount
+    title creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
+    max_dunning_level dunning_amount dunning_description
+    shiptoname shiptostreet shiptozipcode shiptocity shiptocountry shiptogln shiptocontact shiptophone shiptofax
+    shiptoemail shiptodepartment_1 shiptodepartment_2  shiptocp_gender message email subject cc bcc 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' } split / /, $form->{taxaccounts}];
 
-  $form->{jsscript} = 1;
-  $form->header();
+  $::request->{layout}->use_javascript(map { "${_}.js" } qw(kivi.Draft kivi.SalesPurchase ckeditor/ckeditor ckeditor/adapters/jquery kivi.io autocomplete_customer autocomplete_part client_js));
 
-#  print qq|
-#<body onLoad="$onload">
-#<script type="text/javascript" src="js/common.js"></script>
-#<script type="text/javascript" src="js/delivery_customer_selection.js"></script>
-#<script type="text/javascript" src="js/vendor_selection.js"></script>
-#<script type="text/javascript" src="js/calculate_qty.js"></script>
-#<script type="text/javascript" src="js/follow_up.js"></script>
-#
-#<form method="post" name="invoice" action="$form->{script}">
-#| ;
-#
-#  $form->hide_form(qw(id action type media format queued printed emailed title vc discount
-#                      creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
-#                      max_dunning_level dunning_amount
-#                      shiptoname shiptostreet shiptozipcode shiptocity shiptocountry  shiptocontact shiptophone shiptofax
-#                      shiptoemail shiptodepartment_1 shiptodepartment_2 message email subject cc bcc taxaccounts cursor_fokus
-#                      convert_from_do_ids convert_from_oe_ids),
-#                      map { $_.'_rate', $_.'_description', $_.'_taxnumber' } split / /, $form->{taxaccounts} );
-#
-#  print qq|<p>$form->{saved_message}</p>| if $form->{saved_message};
-#
-#  print qq|
-#
-#<input type="hidden" name="follow_up_trans_id_1" value="| . H($form->{id}) . qq|">
-#<input type="hidden" name="follow_up_trans_type_1" value="sales_invoice">
-#<input type="hidden" name="follow_up_trans_info_1" value="| . H($follow_up_trans_info) . qq|">
-#<input type="hidden" name="follow_up_rowcount" value="1">
-#
-#<input type="hidden" name="lizenzen" value="$lizenzen">
-#
-#<div class="listtop" width="100%">$form->{title}</div>
-#
-#<table width="100%">
-#  <tr>
-#    <td valign="top">
-#      <table>
-#        <tr>
-#          $customers
-#          <input type="hidden" name="customer_klass" value="| . H($form->{customer_klass}) . qq|">
-#          <input type="hidden" name="customer_id" value="| . H($form->{customer_id}) . qq|">
-#          <input type="hidden" name="oldcustomer" value="| . H($form->{oldcustomer}) . qq|">
-#          <input type="hidden" name="selectcustomer" value="| . H($form->{selectcustomer}) . qq|">
-#        </tr>
-#        $contact
-#        $shipto
-#        <tr>
-#          <td align="right">| . $locale->text('Credit Limit') . qq|</td>
-#          <td>$form->{creditlimit}; | . $locale->text('Remaining') . qq| <span class="plus$n">$form->{creditremaining}</span></td>
-#        </tr>
-#        $dunning
-#        $business
-#	      <tr>
-#		<th align="right" nowrap>| . $locale->text('Record in') . qq|</th>
-#		<td colspan="3"><select name="AR" style="width:250px;">$form->{selectAR}</select></td>
-#		<input type="hidden" name="selectAR" value="$form->{selectAR}">
-#	      </tr>
-#              $taxzone
-#	      $department
-#	      <tr>
-#    $currencies
-#		<input type="hidden" name="fxgain_accno" value="$form->{fxgain_accno}">
-#		<input type="hidden" name="fxloss_accno" value="$form->{fxloss_accno}">
-#		$exchangerate
-#	      </tr>
-#	      <tr>
-#		<th align="right" nowrap>| . $locale->text('Shipping Point') . qq|</th>
-#		<td colspan="3"> | .
-#		$cgi->textfield("-name" => "shippingpoint", "-size" => 35, "-value" => $form->{shippingpoint}) .
-#      	  qq|	</td>
-#	      </tr>
-#	      <tr>
-#		<th align="right" nowrap>| . $locale->text('Ship via') . qq|</th>
-#		<td colspan="3"> | .
-#		$cgi->textfield("-name" => "shipvia", "-size" => 35, "-value" => $form->{shipvia}) .
-#	  qq|	</td>
-#	      </tr>
-#              <tr>
-#                <th align="right">| . $locale->text('Transaction description') . qq|</th>
-#                <td colspan="3">| . $cgi->textfield("-name" => "transaction_description", "-size" => 35, "-value" => $form->{transaction_description}) . qq|</td>
-#              </tr>|;
-##               <tr>
-##                 <td colspan=4>
-##                   <table>
-##                     <tr>
-##                       <td colspan=2>
-##                         <button type="button" onclick="delivery_customer_selection_window('delivery_customer_string','delivery_customer_id')">| . $locale->text('Choose Customer') . qq|</button>
-##                       </td>
-##                       <td colspan=2><input type=hidden name=delivery_customer_id value="$form->{delivery_customer_id}">
-##                       <input size=45 id=delivery_customer_string name=delivery_customer_string value="$form->{delivery_customer_string}"></td>
-##                     </tr>
-##                     <tr>
-##                       <td colspan=2>
-##                         <button type="button" onclick="vendor_selection_window('delivery_vendor_string','delivery_vendor_id')">| . $locale->text('Choose Vendor') . qq|</button>
-##                       </td>
-##                       <td colspan=2><input type=hidden name=delivery_vendor_id value="$form->{delivery_vendor_id}">
-##                       <input size=45 id=delivery_vendor_string name=delivery_vendor_string value="$form->{delivery_vendor_string}"></td>
-##                     </tr>
-##                   </table>
-##                 </td>
-##               </tr>
-#print qq|	    </table>
-#	  </td>
-#	  <td align="right" valign="top">
-#	    <table>
-#	      $employees
-#        $salesman
-#|;
-#
-##ergänzung in der maske um das feld Lieferscheinnummer (Delivery Order Number), meiner meinung nach sinnvoll ueber dem feld lieferscheindatum 12.02.2009 jb
-#if ($form->{type} eq "credit_note") {
-#print qq|     <tr>
-#		<th align="right" nowrap>| . $locale->text('Credit Note Number') . qq|</th>
-#		<td> |.
-#	        $cgi->textfield("-name" => "invnumber", "-size" => 11, "-value" => $form->{invnumber}) .
-#      qq|	</td>
-#	      </tr>
-#	      <tr>
-#		<th align="right">| . $locale->text('Credit Note Date') . qq|</th>
-#                $button1
-#	      </tr>|;
-#} else {
-#print qq|     <tr>
-#		<th align="right" nowrap>| . $locale->text('Invoice Number') . qq|</th>
-#		<td> |.
-#	        $cgi->textfield("-name" => "invnumber", "-size" => 11, "-value" => $form->{invnumber}) .
-#      qq|	</td>
-#	      </tr>
-#	      <tr>
-#		<th align="right">| . $locale->text('Invoice Date') . qq|</th>
-#                $button1
-#	      </tr>
-#	      <tr>
-#		<th align="right">| . $locale->text('Due Date') . qq|</th>
-#                $button2
-#	      </tr>
-#	      <tr>
-#		<th align="right" nowrap>| . $locale->text('Delivery Order Number') . qq|</th>
-#		<td> |.
-#	        $cgi->textfield("-name" => "donumber", "-size" => 11, "-value" => $form->{donumber}) .
-#      qq|	</td>
-#	      </tr>
-#	      <tr>
-#		<th align="right">| . $locale->text('Delivery Date') . qq|</th>
-#                $button3
-#	      </tr>|;
-#}
-#print qq|     <tr>
-#		<th align="right" nowrap>| . $locale->text('Order Number') . qq|</th>
-#		<td> |.
-#	        $cgi->textfield("-name" => "ordnumber", "-size" => 11, "-value" => $form->{ordnumber}) .
-#      qq|	</td>
-#	      </tr>
-#        <tr>
-#          <th align="right" nowrap>| . $locale->text('Order Date') . qq|</th>
-#          <td><input name="orddate" id="orddate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{orddate}) . qq|" onBlur=\"check_right_date_format(this)\">
-#           <input type="button" name="b_orddate" id="trigger_orddate" value="?"></td>
-#        </tr>
-#	      <tr>
-#		<th align="right" nowrap>| . $locale->text('Quotation Number') . qq|</th>
-#		<td> |.
-#	        $cgi->textfield("-name" => "quonumber", "-size" => 11, "-value" => $form->{quonumber}) .
-#      qq|	</td>
-#	      </tr>
-#        <tr>
-#          <th align="right" nowrap>| . $locale->text('Quotation Date') . qq|</th>
-#          <td><input name="quodate" id="quodate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{quodate}) . qq|" onBlur=\"check_right_date_format(this)\">
-#           <input type="button" name="b_quodate" id="trigger_quodate" value="?"></td>
-#        </tr>
-#	      <tr>
-#		<th align="right" nowrap>| . $locale->text('Customer Order Number') . qq|</th>
-#		<td> |.
-#	        $cgi->textfield("-name" => "cusordnumber", "-size" => 11, "-value" => $form->{cusordnumber}) .
-#      qq|	</td>
-#	      </tr>
-#	      <tr>
-#          <th align="right" nowrap>| . $locale->text('Project Number') . qq|</th>
-#          <td>$globalprojectnumber</td>
-#	      </tr>
-#	    </table>
-#          </td>
-#	</tr>
-#      </table>
-#    </td>
-#  </tr>
-#  <tr>
-#    <td>
-#    </td>
-#  </tr>
-#  $jsscript
-#|;
-#  print qq|<input type="hidden" name="webdav" value="$webdav">|;
+  $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};
+
+  $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();
 
   my $form     = $main::form;
   my %myconfig = %main::myconfig;
   my $locale   = $main::locale;
-  my $cgi      = $main::cgi;
 
   $main::auth->assert('invoice_edit');
 
-  $form->{invtotal} = $form->{invsubtotal};
+  $form->{invtotal}    = $form->{invsubtotal};
 
-  my ($rows, $introws);
-  if (($rows = $form->numtextrows($form->{notes}, 26, 8)) < 2) {
-    $rows = 2;
-  }
-  if (($introws = $form->numtextrows($form->{intnotes}, 35, 8)) < 2) {
-    $introws = 2;
-  }
-  $rows = ($rows > $introws) ? $rows : $introws;
-  my $notes =
-    qq|<textarea name="notes" rows="$rows" cols="26" wrap="soft">$form->{notes}</textarea>|;
-  my $intnotes =
-    qq|<textarea name="intnotes" rows="$rows" cols="35" wrap="soft">$form->{intnotes}</textarea>|;
-
-  $form->{taxincluded} = ($form->{taxincluded} ? "checked" : "");
-
-  my $taxincluded = "";
-  if ($form->{taxaccounts}) {
-    $taxincluded = qq|
-	        <input name="taxincluded" class="checkbox" type="checkbox" $form->{taxincluded}> <b>|
-      . $locale->text('Tax Included') . qq|</b><br><br>|;
-  }
-
-  my ($tax, $subtotal);
-  if (!$form->{taxincluded}) {
-
-    foreach my $item (split / /, $form->{taxaccounts}) {
-      if ($form->{"${item}_base"}) {
-        $form->{"${item}_total"} =
-          $form->round_amount(
-                             $form->{"${item}_base"} * $form->{"${item}_rate"},
-                             2);
-        $form->{invtotal} += $form->{"${item}_total"};
-        $form->{"${item}_total"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_total"}, 2);
-
-        $tax .= qq|
-	      <tr>
-                <th align="right">$form->{"${item}_description"}&nbsp;|
-                                    . $form->{"${item}_rate"} * 100 .qq|%</th>
-		<td align="right">$form->{"${item}_total"}</td>
-	      </tr>
-|;
-      }
-    }
+  # note rows
+  $form->{rows} = max 2,
+    $form->numtextrows($form->{notes},    26, 8),
+    $form->numtextrows($form->{intnotes}, 35, 8);
 
-    $form->{invsubtotal} =
-      $form->format_amount(\%myconfig, $form->{invsubtotal}, 2, 0);
 
-    $subtotal = qq|
-	      <tr>
-		<th align="right">| . $locale->text('Subtotal') . qq|</th>
-		<td align="right">$form->{invsubtotal}</td>
-	      </tr>
-|;
+  # 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};
   }
 
-  if ($form->{taxincluded}) {
-    foreach my $item (split / /, $form->{taxaccounts}) {
-      if ($form->{"${item}_base"}) {
-        $form->{"${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);
-        $form->{"${item}_total"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_total"}, 2);
-        $form->{"${item}_netto"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_netto"}, 2);
-
-        $tax .= qq|
-	      <tr>
-		<th align="right">Enthaltene $form->{"${item}_description"}&nbsp;|
-		                    . $form->{"${item}_rate"} * 100 .qq|%</th>
-		<td align="right">$form->{"${item}_total"}</td>
-	      </tr>
-	      <tr>
-	        <th align="right">Nettobetrag</th>
-		<td align="right">$form->{"${item}_netto"}</td>
-	      </tr>
-|;
+  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"};
       }
     }
-
   }
 
-  $form->{oldinvtotal} = $form->{invtotal};
-  $form->{invtotal}    =
-    $form->format_amount(\%myconfig, $form->{invtotal}, 2, 0);
+  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
+  );
 
-  my $follow_ups_block;
+  # follow ups
   if ($form->{id}) {
-    my $follow_ups = FU->follow_ups('trans_id' => $form->{id});
-
-    if (@{ $follow_ups} ) {
-      my $num_due       = sum map { $_->{due} * 1 } @{ $follow_ups };
-      $follow_ups_block = qq|
-      <tr>
-        <td colspan="2">| . $locale->text("There are #1 unfinished follow-ups of which #2 are due.", scalar @{ $follow_ups }, $num_due) . qq|</td>
-      </tr>
-|;
-    }
+    $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;
   }
 
-  print qq|
-  <tr>
-    <td>
-      <table width="100%">
-	<tr valign="bottom">
-	  <td>
-	    <table>
-	      <tr>
-		<th align="left">| . $locale->text('Notes') . qq|</th>
-		<th align="left">| . $locale->text('Internal Notes') . qq|</th>
-                <th align="right">| . $locale->text('Payment Terms') . qq|</th>
-	      </tr>
-	      <tr valign="top">
-		<td>$notes</td>
-		<td>$intnotes</td>
-                <td><select name="payment_id" onChange="if (this.value) set_duedate(['payment_id__' + this.value, 'invdate__' + invdate.value],['duedate'])">$payment
-                </select></td>
-	      </tr>
-        $follow_ups_block
-	    </table>
-	  </td>
-          <td>
-            <table>
-            <tr>
-              <th  align=left>| . $locale->text('Ertrag') . qq|</th>
-              <td>| .  $form->format_amount(\%myconfig, $form->{marge_total}, 2, 0) . qq|</td>
-            </tr>
-            <tr>
-              <th  align=left>| . $locale->text('Ertrag prozentual') . qq|</th>
-              <td>| .  $form->format_amount(\%myconfig, $form->{marge_percent}, 2, 0) . qq| %</td>
-            </tr>
-            <input type=hidden name="marge_total" value="$form->{"marge_total"}">
-            <input type=hidden name="marge_percent" value="$form->{"marge_percent"}">
-            </table>
-          </td>
-	  <td align="right">
-	    $taxincluded
-	    <table>
-	      $subtotal
-	      $tax
-	      <tr>
-		<th align="right">| . $locale->text('Total') . qq|</th>
-		<td align="right">$form->{invtotal}</td>
-	      </tr>
-	    </table>
-	  </td>
-	</tr>
-      </table>
-    </td>
-  </tr>
-|;
-  my $webdav_list;
-  if ($main::webdav) {
-    $webdav_list = qq|
-  <tr>
-    <td><hr size="3" noshade></td>
-  </tr>
-  <tr>
-    <th class="listtop" align="left">Dokumente im Webdav-Repository</th>
-  </tr>
-    <table width="100%">
-      <td align="left" width="30%"><b>Dateiname</b></td>
-      <td align="left" width="70%"><b>Webdavlink</b></td>
-|;
-    foreach my $file (@{ $form->{WEBDAV} }) {
-      $webdav_list .= qq|
-      <tr>
-        <td align="left">$file->{name}</td>
-        <td align="left"><a href="$file->{link}">$file->{type}</a></td>
-      </tr>
-|;
-    }
-    $webdav_list .= qq|
-    </table>
-  </tr>
-|;
-
-    print $webdav_list;
-  }
-if ($form->{type} eq "credit_note") {
-  print qq|
-  <tr>
-    <td>
-      <table width="100%">
-	<tr class="listheading">
-	  <th colspan="6" class="listheading">|
-    . $locale->text('Payments') . qq|</th>
-	</tr>
-|;
-} else {
-  print qq|
-  <tr>
-    <td>
-      <table width="100%">
-	<tr class="listheading">
-	  <th colspan="6" class="listheading">|
-    . $locale->text('Incoming Payments') . qq|</th>
-	</tr>
-|;
-}
-
-  my @column_index;
-  if ($form->{currency} eq $form->{defaultcurrency}) {
-    @column_index = qw(datepaid source memo paid AR_paid);
-  } else {
-    @column_index = qw(datepaid source memo paid exchangerate AR_paid);
-  }
+  # payments
+  _sort_payments();
 
-  my %column_data;
-  $column_data{datepaid}     = "<th>" . $locale->text('Date') . "</th>";
-  $column_data{paid}         = "<th>" . $locale->text('Amount') . "</th>";
-  $column_data{exchangerate} = "<th>" . $locale->text('Exch') . "</th>";
-  $column_data{AR_paid}      = "<th>" . $locale->text('Account') . "</th>";
-  $column_data{source}       = "<th>" . $locale->text('Source') . "</th>";
-  $column_data{memo}         = "<th>" . $locale->text('Memo') . "</th>";
-
-  print "
-	<tr>
-";
-  map { print "$column_data{$_}\n" } @column_index;
-  print "
-        </tr>
-";
-
-  my @triggers  = ();
   my $totalpaid = 0;
-
   $form->{paidaccounts}++ if ($form->{"paid_$form->{paidaccounts}"});
-  for my $i (1 .. $form->{paidaccounts}) {
-
-    print "
-        <tr>\n";
-
-    $form->{"selectAR_paid_$i"} = $form->{selectAR_paid};
-    $form->{"selectAR_paid_$i"} =~
-      s/option>\Q$form->{"AR_paid_$i"}\E/option selected>$form->{"AR_paid_$i"}/;
+  $form->{paid_indices} = [ 1 .. $form->{paidaccounts} ];
 
-    # format amounts
-    $totalpaid += $form->{"paid_$i"};
-    if ($form->{"paid_$i"}) {
-      $form->{"paid_$i"} =
-        $form->format_amount(\%myconfig, $form->{"paid_$i"}, 2);
-    }
-    $form->{"exchangerate_$i"} =
-      $form->format_amount(\%myconfig, $form->{"exchangerate_$i"});
-
-    if ($form->{"exchangerate_$i"} == 0) {
-      $form->{"exchangerate_$i"} = "";
-    }
-    my $exchangerate = qq|&nbsp;|;
-    if ($form->{currency} ne $form->{defaultcurrency}) {
-      if ($form->{"forex_$i"}) {
-        $exchangerate = qq|<input type="hidden" name="exchangerate_$i" value="$form->{"exchangerate_$i"}">$form->{"exchangerate_$i"}|;
-      } else {
-        $exchangerate = qq|<input name="exchangerate_$i" size="10" value="$form->{"exchangerate_$i"}">|;
-      }
-    }
-
-    $exchangerate .= qq|<input type="hidden" name="forex_$i" value="$form->{"forex_$i"}">|;
-
-    $column_data{"paid_$i"} =
-      qq|<td align="center"><input name="paid_$i" size="11" value="$form->{"paid_$i"}" onBlur=\"check_right_number_format(this)\"></td>|;
-    $column_data{"exchangerate_$i"} = qq|<td align="center">$exchangerate</td>|;
-    $column_data{"AR_paid_$i"}      =
-      qq|<td align="center"><select name="AR_paid_$i">$form->{"selectAR_paid_$i"}</select></td>|;
-    $column_data{"datepaid_$i"} =
-      qq|<td align="center"><input id="datepaid_$i" name="datepaid_$i"  size="11" title="$myconfig{dateformat}" value="$form->{"datepaid_$i"}" onBlur=\"check_right_date_format(this)\">
-         <input type="button" name="datepaid_$i" id="trigger_datepaid_$i" value="?"></td>|;
-    $column_data{"source_$i"} =
-      qq|<td align=center><input name="source_$i" size="11" value="$form->{"source_$i"}"></td>|;
-    $column_data{"memo_$i"} =
-      qq|<td align="center"><input name="memo_$i" size="11" value="$form->{"memo_$i"}"></td>|;
-
-    map { print qq|$column_data{"${_}_$i"}\n| } @column_index;
-    print "
-        </tr>\n";
-    push(@triggers, "datepaid_$i", "BL", "trigger_datepaid_$i");
-  }
-
-  my $paid_missing = $form->{oldinvtotal} - $totalpaid;
-
-  print qq|
-    <tr>
-      <td></td>
-      <td></td>
-      <td align="center">| . $locale->text('Total') . qq|</td>
-      <td align="center">| . H($form->format_amount(\%myconfig, $totalpaid, 2)) . qq|</td>
-    </tr>
-    <tr>
-      <td></td>
-      <td></td>
-      <td align="center">| . $locale->text('Missing amount') . qq|</td>
-      <td align="center">| . H($form->format_amount(\%myconfig, $paid_missing, 2)) . qq|</td>
-    </tr>
-|;
-
-  map({ print($cgi->hidden("-name" => $_, "-value" => $form->{$_})); } qw(paidaccounts selectAR_paid oldinvtotal));
-  print qq|<input type="hidden" name="oldtotalpaid" value="$totalpaid">
-    </table>
-    </td>
-  </tr>
-  <tr>
-    <td><hr size="3" noshade></td>
-  </tr>
-  <tr>
-    <td>
-|;
-
-  print_options();
-
-  print qq|
-    </td>
-  </tr>
-</table>
-|;
-
-  my $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
-  my $closedto = $form->datetonum($form->{closedto}, \%myconfig);
+  # Standard Konto für Umlaufvermögen
+  my $accno_arap = IS->get_standard_accno_current_assets(\%myconfig, \%$form);
 
-  if ($form->{id}) {
-    my $show_storno = !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ar") && (($totalpaid == 0) || ($totalpaid eq ""));
-
-    print qq|
-    <input class="submit" type="submit" accesskey="u" name="action" id="update_button" value="|
-      . $locale->text('Update') . qq|">
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Ship to') . qq|">
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Print') . qq|">
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('E-mail') . qq|"> |;
-    print qq|<input class="submit" type="submit" name="action" value="|
-      . $locale->text('Storno') . qq|"> | if ($show_storno);
-    print qq|<input class="submit" type="submit" name="action" value="|
-      . $locale->text('Post Payment') . qq|">
-|;
-    print qq|<input class="submit" type="submit" name="action" value="|
-      . $locale->text('Use As Template') . qq|">
-|;
-    if ($form->{id} && !($form->{type} eq "credit_note")) {
-      print qq|
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Credit Note') . qq|">
-|;
-    }
-    if ($form->{radier}) {
-    print qq|
-    <input class="submit" type="submit" name="action" value="|
-      . $locale->text('Delete') . qq|">
-|;
+  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"}));
     }
 
-
-    if ($invdate > $closedto) {
-      print qq|
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Order') . qq|">
-|;
+    #deaktivieren von gebuchten Zahlungen ausserhalb der Bücherkontrolle, vorher prüfen ob heute eingegeben
+    if ($form->date_closed($form->{"gldate_$i"})) {
+      $form->{"changeable_$i"} = 0;
     }
 
-    print qq|
-      <input type="button" class="submit" onclick="follow_up_window()" value="|
-      . $locale->text('Follow-Up')
-      . qq|">|;
-
-  } else {
-    if ($invdate > $closedto) {
-      print qq|<input class="submit" type="submit" name="action" id="update_button" value="|
-        . $locale->text('Update') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Ship to') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Preview') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('E-mail') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Print and Post') . qq|">
-      <input class="submit" type="submit" name="action" value="|
-        . $locale->text('Post') . qq|"> | .
-        NTI($cgi->submit('-name' => 'action', '-value' => $locale->text('Save draft'),
-                         '-class' => 'submit'));
+    $form->{"selectAR_paid_$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"}/;
     }
-  }
-
-  # button for saving history
-  if($form->{id} ne "") {
-    print qq|
-  	  <input type="button" class="submit" onclick="set_history_window(|
-  	  . Q($form->{id})
-  	  . qq|);" name="history" id="history" value="|
-  	  . $locale->text('history')
-  	  . qq|"> |;
-  }
-  # /button for saving history
 
-  # mark_as_paid button
-  if($form->{id} ne "") {
-    print qq|<input type="submit" class="submit" name="action" value="|
-          . $locale->text('mark as paid') . qq|">|;
+    $totalpaid += $form->{"paid_$i"};
   }
-  # /mark_as_paid button
-  print $form->write_trigger(\%myconfig, scalar(@triggers) / 3, @triggers) .
-    qq|
 
-<input type="hidden" name="rowcount" value="$form->{rowcount}">
-| .
-$cgi->hidden("-name" => "callback", "-value" => $form->{callback})
-. $cgi->hidden('-name' => 'draft_id', '-default' => [$form->{draft_id}])
-. $cgi->hidden('-name' => 'draft_description', '-default' => [$form->{draft_description}])
-. $cgi->hidden('-name' => 'customer_discount', '-value' => [$form->{customer_discount}])
-. qq|
-</form>
-
-</body>
+  $form->{oldinvtotal} = $form->{invtotal};
 
- </html>
-|;
+  $form->{ALL_DELIVERY_TERMS} = SL::DB::Manager::DeliveryTerm->get_all_sorted();
+
+  print $form->parse_html_template('is/form_footer', {
+    is_type_credit_note => ($form->{type} eq "credit_note"),
+    totalpaid           => $totalpaid,
+    paid_missing        => $form->{invtotal} - $totalpaid,
+    print_options       => print_options(inline => 1),
+    show_storno         => $form->{id} && !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ar") && !$totalpaid,
+    show_delete         => ($::instance_conf->get_is_changeable == 2)
+                             ? ($form->current_date(\%myconfig) eq $form->{gldate})
+                             : ($::instance_conf->get_is_changeable == 1),
+    today               => DateTime->today,
+  });
+##print $form->parse_html_template('is/_payments'); # parser
+##print $form->parse_html_template('webdav/_list'); # parser
 
   $main::lxdebug->leave_sub();
 }
 
 sub mark_as_paid {
-  $main::lxdebug->enter_sub();
+  $::auth->assert('invoice_edit');
 
-  my $form     = $main::form;
-  my %myconfig = %main::myconfig;
-
-  $main::auth->assert('invoice_edit');
+  SL::DB::Invoice->new(id => $::form->{id})->load->mark_as_paid;
 
-  &mark_as_paid_common(\%myconfig,"ar");
+  $::form->redirect($::locale->text("Marked as paid"));
+}
 
-  $main::lxdebug->leave_sub();
+sub show_draft {
+  update();
 }
 
 sub update {
@@ -1067,24 +514,32 @@ sub update {
 
   $main::auth->assert('invoice_edit');
 
-  my ($recursive_call) = shift;
-
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) } qw(exchangerate creditlimit creditremaining) unless $recursive_call;
+  my ($recursive_call) = @_;
 
   $form->{print_and_post} = 0         if $form->{second_run};
-  my $taxincluded            = "checked" if $form->{taxincluded};
+  my $taxincluded         = $form->{taxincluded} ? "checked" : '';
   $form->{update} = 1;
 
-  &check_name("customer");
+  if (($form->{previous_customer_id} || $form->{customer_id}) != $form->{customer_id}) {
+    $::form->{salesman_id} = SL::DB::Manager::Employee->current->id if exists $::form->{salesman_id};
+
+    IS->get_customer(\%myconfig, $form);
+  }
 
   $form->{taxincluded} ||= $taxincluded;
 
+  if (!$form->{forex}) {        # read exchangerate from input field (not hidden)
+    $form->{exchangerate} = $form->parse_amount(\%myconfig, $form->{exchangerate}) unless $recursive_call;
+  }
   $form->{forex}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{invdate}, 'buy');
   $form->{exchangerate} = $form->{forex} if $form->{forex};
 
   for my $i (1 .. $form->{paidaccounts}) {
     next unless $form->{"paid_$i"};
     map { $form->{"${_}_$i"} = $form->parse_amount(\%myconfig, $form->{"${_}_$i"}) } qw(paid exchangerate);
+    if (!$form->{"forex_$i"}) {   #read exchangerate from input field (not hidden)
+      $form->{exchangerate} = $form->{"exchangerate_$i"};
+    }
     $form->{"forex_$i"}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
     $form->{"exchangerate_$i"} = $form->{"forex_$i"} if $form->{"forex_$i"};
   }
@@ -1106,15 +561,19 @@ sub update {
 
     my $rows = scalar @{ $form->{item_list} };
 
-    $form->{"discount_$i"} = $form->format_amount(\%myconfig, $form->{customer_discount} * 100);
+    $form->{"discount_$i"}   = $form->parse_amount(\%myconfig, $form->{"discount_$i"}) / 100.0;
+    $form->{"discount_$i"} ||= $form->{customer_discount};
 
     if ($rows) {
-      $form->{"qty_$i"} = ($form->{"qty_$i"} * 1) ? $form->{"qty_$i"} : 1;
+      $form->{"qty_$i"} = $form->parse_amount(\%myconfig, $form->{"qty_$i"});
+      if( !$form->{"qty_$i"} ) {
+        $form->{"qty_$i"} = 1;
+      }
 
       if ($rows > 1) {
 
-        &select_item;
-        exit;
+        select_item(mode => 'IS', pre_entered_qty => $form->{"qty_$i"});
+        $::dispatcher->end_request;
 
       } else {
 
@@ -1134,39 +593,37 @@ sub update {
         if ($sellprice) {
           $form->{"sellprice_$i"} = $sellprice;
         } else {
+          my $record        = _make_record();
+          my $price_source  = SL::PriceSource->new(record_item => $record->items->[$i-1], record => $record);
+          my $best_price    = $price_source->best_price;
+          my $best_discount = $price_source->best_discount;
+
+          if ($best_price) {
+            $::form->{"sellprice_$i"}           = $best_price->price;
+            $::form->{"active_price_source_$i"} = $best_price->source;
+          }
+          if ($best_discount) {
+            $::form->{"discount_$i"}               = $best_discount->discount;
+            $::form->{"active_discount_source_$i"} = $best_discount->source;
+          }
+
           # if there is an exchange rate adjust sellprice
-          $form->{"sellprice_$i"} *= (1 - $form->{tradediscount});
           $form->{"sellprice_$i"} /= $exchangerate;
         }
 
         $form->{"listprice_$i"} /= $exchangerate;
 
-        my $amount = $form->{"sellprice_$i"} * $form->{"qty_$i"} * (1 - $form->{"discount_$i"} / 100);
+        my $amount = $form->{"sellprice_$i"} * $form->{"qty_$i"} * (1 - $form->{"discount_$i"});
         map { $form->{"${_}_base"} = 0 }                                 split / /, $form->{taxaccounts};
         map { $form->{"${_}_base"} += $amount }                          split / /, $form->{"taxaccounts_$i"};
         map { $amount += ($form->{"${_}_base"} * $form->{"${_}_rate"}) } split / /, $form->{"taxaccounts_$i"} if !$form->{taxincluded};
 
         $form->{creditremaining} -= $amount;
 
-        map { $form->{"${_}_$i"} = $form->format_amount(\%myconfig, $form->{"${_}_$i"}, $decimalplaces) } qw(sellprice listprice);
-
-        $form->{"qty_$i"} = $form->format_amount(\%myconfig, $form->{"qty_$i"});
+        map { $form->{"${_}_$i"} = $form->format_amount(\%myconfig, $form->{"${_}_$i"}, $decimalplaces) } qw(sellprice lastcost);
 
-        if ($main::lizenzen) {
-          if ($form->{"inventory_accno_$i"} ne "") {
-            $form->{"lizenzen_$i"} = qq|<option></option>|;
-            foreach my $item (@{ $form->{LIZENZEN}{ $form->{"id_$i"} } }) {
-              $form->{"lizenzen_$i"} .= qq|<option value="$item->{"id"}">$item->{"licensenumber"}</option>|;
-            }
-            $form->{"lizenzen_$i"} .= qq|<option value=-1>Neue Lizenz</option>|;
-          }
-        }
-
-        # get pricegroups for parts
-        IS->get_pricegroups_for_parts(\%myconfig, \%$form);
-
-        # build up html code for prices_$i
-        &set_pricegroup($i);
+        $form->{"qty_$i"}      = $form->format_amount(\%myconfig, $form->{"qty_$i"});
+        $form->{"discount_$i"} = $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100.0);
       }
 
       &display_form;
@@ -1201,7 +658,8 @@ sub post_payment {
 
   $main::auth->assert('invoice_edit');
 
-  our $invdate;
+  $form->mtime_ischanged('ar') ;
+  my $invdate = $form->datetonum($form->{invdate}, \%myconfig);
 
   $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
   for my $i (1 .. $form->{paidaccounts}) {
@@ -1210,8 +668,6 @@ sub post_payment {
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
-      $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($form->date_closed($form->{"datepaid_$i"}, \%myconfig));
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1219,16 +675,28 @@ sub post_payment {
         $form->isblank("exchangerate_$i",
                        $locale->text('Exchangerate for payment missing!'));
       }
+      $form->error($locale->text('Cannot post transaction above the maximum future booking date!'))
+        if ($form->date_max_future($form->{"datepaid_$i"}, \%myconfig));
+
+      #Zusätzlich noch das Buchungsdatum in die Bücherkontrolle einbeziehen
+      # (Dient zur Prüfung ob ZE oder ZA geprüft werden soll)
+      $form->error($locale->text('Cannot post payment for a closed period!'))
+        if ($form->date_closed($form->{"datepaid_$i"})  && !$form->date_closed($form->{"gldate_$i"}, \%myconfig));
     }
   }
 
   ($form->{AR})      = split /--/, $form->{AR};
   ($form->{AR_paid}) = split /--/, $form->{AR_paid};
   relink_accounts();
-  $form->redirect($locale->text('Payment posted!'))
-      if (IS->post_payment(\%myconfig, \%$form));
-    $form->error($locale->text('Cannot post payment!'));
-
+  if ( IS->post_payment(\%myconfig, \%$form) ) {
+    $form->{snumbers}  = qq|invnumber_| . $form->{invnumber};
+    $form->{what_done} = 'invoice';
+    $form->{addition}  = "PAYMENT POSTED";
+    $form->save_history;
+    $form->redirect($locale->text('Payment posted!'))
+  } else {
+   $form->error($locale->text('Cannot post payment!'));
+  };
 
   $main::lxdebug->leave_sub();
 }
@@ -1241,10 +709,11 @@ sub post {
   my $locale   = $main::locale;
 
   $main::auth->assert('invoice_edit');
+  $form->mtime_ischanged('ar');
 
   $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
   $form->isblank("invdate",  $locale->text('Invoice Date missing!'));
-  $form->isblank("customer", $locale->text('Customer missing!'));
+  $form->isblank("customer_id", $locale->text('Customer missing!'));
   $form->error($locale->text('Cannot post invoice for a closed period!'))
         if ($form->date_closed($form->{"invdate"}, \%myconfig));
 
@@ -1252,19 +721,29 @@ sub post {
   $form->{invnumber} =~ s/\s*$//g;
 
   # if oldcustomer ne customer redo form
-  if (&check_name('customer')) {
+  if (($form->{previous_customer_id} || $form->{customer_id}) != $form->{customer_id}) {
     &update;
+    $::dispatcher->end_request;
+  }
+
+  if ($myconfig{mandatory_departments} && !$form->{department_id}) {
+    $form->{saved_message} = $::locale->text('You have to specify a department.');
+    update();
     exit;
   }
+
   if ($form->{second_run}) {
     $form->{print_and_post} = 0;
   }
 
+  remove_emptied_rows();
   &validate_items;
 
   my $closedto = $form->datetonum($form->{closedto}, \%myconfig);
   my $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
 
+  $form->error($locale->text('Cannot post transaction above the maximum future booking date!'))
+    if ($form->date_max_future($invdate, \%myconfig));
   $form->error($locale->text('Cannot post invoice for a closed period!'))
     if ($invdate <= $closedto);
 
@@ -1277,8 +756,13 @@ sub post {
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
+      $form->error($locale->text('Cannot post transaction above the maximum future booking date!'))
+        if ($form->date_max_future($form->{"datepaid_$i"}, \%myconfig));
+
+      #Zusätzlich noch das Buchungsdatum in die Bücherkontrolle einbeziehen
+      # (Dient zur Prüfung ob ZE oder ZA geprüft werden soll)
       $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($form->date_closed($form->{"datepaid_$i"}, \%myconfig));
+        if ($form->date_closed($form->{"datepaid_$i"})  && !$form->date_closed($form->{"gldate_$i"}, \%myconfig));
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1293,7 +777,7 @@ sub post {
   ($form->{AR_paid})   = split /--/, $form->{AR_paid};
   $form->{storno}    ||= 0;
 
-  $form->{label} = $locale->text('Invoice');
+  $form->{label} = $form->{type} eq 'credit_note' ? $locale->text('Credit Note') : $locale->text('Invoice');
 
   $form->{id} = 0 if $form->{postasnew};
 
@@ -1307,20 +791,61 @@ sub post {
   }
 
   relink_accounts();
-  $form->error($locale->text('Cannot post invoice!'))
-    unless IS->post_invoice(\%myconfig, \%$form);
-  remove_draft() if $form->{remove_draft};
+
+  my $terms        = get_payment_terms_for_invoice();
+  $form->{duedate} = $terms->calc_date(reference_date => $form->{invdate}, due_date => $form->{due_due})->to_kivitendo if $terms;
+
+  # If transfer_out is requested, get rose db handle and do post and
+  # transfer out in one transaction. Otherwise just post the invoice.
+  if ($::instance_conf->get_is_transfer_out && $form->{type} ne 'credit_note' && !$form->{storno}) {
+    require SL::DB::Inventory;
+    my $rose_db = SL::DB::Inventory->new->db;
+    my @errors;
+
+    if (!$rose_db->with_transaction(sub {
+      if (!eval {
+        if (!IS->post_invoice(\%myconfig, \%$form, $rose_db->dbh)) {
+          push @errors, $locale->text('Cannot post invoice!');
+          die 'posting error';
+        }
+        my $err = IS->transfer_out(\%$form, $rose_db->dbh);
+        if (@{ $err }) {
+          push @errors, @{ $err };
+          die 'transfer error';
+        }
+
+        1;
+      }) {
+        push @errors, $EVAL_ERROR;
+        die 'transaction error';
+      }
+
+      1;
+    })) {
+      push @errors, $rose_db->error;
+      $form->error($locale->text('Cannot post invoice and/or transfer out! Error message:') . "\n" . join("\n", @errors));
+    }
+  } else {
+    if (!IS->post_invoice(\%myconfig, \%$form)) {
+      $form->error($locale->text('Cannot post invoice!'));
+    }
+  }
 
   if(!exists $form->{addition}) {
-    $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
-    $form->{addition} = $print_post     ? "PRINTED AND POSTED" :
-                        $form->{storno} ? "STORNO"             :
-                                          "POSTED";
-    $form->save_history($form->dbconnect(\%myconfig));
+    $form->{snumbers}  =  'invnumber' .'_'. $form->{invnumber}; # ($form->{type} eq 'credit_note' ? 'cnnumber' : 'invnumber') .'_'. $form->{invnumber};
+    $form->{what_done} = 'invoice';
+    $form->{addition}  = $form->{print_and_post} ? "PRINTED AND POSTED" :
+                         $form->{storno}         ? "STORNO"             :
+                                                   "POSTED";
+    $form->save_history;
   }
 
-  $form->redirect( $form->{label} . " $form->{invnumber} " . $locale->text('posted!'))
-    unless $print_post;
+  if (!$form->{no_redirect_after_post}) {
+    $form->{action} = 'edit';
+    $form->{script} = 'is.pl';
+    $form->{callback} = build_std_url(qw(action edit id callback saved_message));
+    $form->redirect($form->{label} . " $form->{invnumber} " . $locale->text('posted!'));
+  }
 
   $main::lxdebug->leave_sub();
 }
@@ -1332,9 +857,9 @@ sub print_and_post {
 
   $main::auth->assert('invoice_edit');
 
-  my $old_form               = new Form;
-  $print_post             = 1;
-  $form->{print_and_post} = 1;
+  my $old_form                    = Form->new;
+  $form->{no_redirect_after_post} = 1;
+  $form->{print_and_post}         = 1;
   &post();
 
   &edit();
@@ -1342,7 +867,7 @@ sub print_and_post {
 
 }
 
-sub use_as_template {
+sub use_as_new {
   $main::lxdebug->enter_sub();
 
   my $form     = $main::form;
@@ -1350,10 +875,19 @@ sub use_as_template {
 
   $main::auth->assert('invoice_edit');
 
-  map { delete $form->{$_} } qw(printed emailed queued invnumber invdate deliverydate id datepaid_1 source_1 memo_1 paid_1 exchangerate_1 AP_paid_1 storno);
-  $form->{paidaccounts} = 1;
+  delete @{ $form }{qw(printed emailed queued invnumber invdate exchangerate forex deliverydate id datepaid_1 gldate_1 acc_trans_id_1 source_1 memo_1 paid_1 exchangerate_1 AP_paid_1 storno locked)};
   $form->{rowcount}--;
-  $form->{invdate} = $form->current_date(\%myconfig);
+  $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"};
+
+  $form->{useasnew} = 1;
   &display_form;
 
   $main::lxdebug->leave_sub();
@@ -1375,8 +909,17 @@ sub storno {
   if (IS->has_storno(\%myconfig, $form, "ar")) {
     $form->error($locale->text("Invoice has already been storno'd!"));
   }
+  if ($form->datetonum($form->{invdate},  \%myconfig) <= $form->datetonum($form->{closedto}, \%myconfig)) {
+    $form->error($locale->text('Cannot storno invoice for a closed period!'));
+  }
+
+  # save the history of invoice being stornoed
+  $form->{snumbers}  = qq|invnumber_| . $form->{invnumber};
+  $form->{what_done} = 'invoice';
+  $form->{addition}  = "STORNO";
+  $form->save_history;
 
-  map({ my $key = $_; delete($form->{$key}) unless (grep({ $key eq $_ } qw(id login password stylesheet type))); } keys(%{ $form }));
+  map({ my $key = $_; delete($form->{$key}) unless (grep({ $key eq $_ } qw(id login password type))); } keys(%{ $form }));
 
   invoice_links();
   prepare_invoice();
@@ -1384,13 +927,19 @@ sub storno {
 
   # Payments must not be recorded for the new storno invoice.
   $form->{paidaccounts} = 0;
-  map { my $key = $_; delete $form->{$key} if grep { $key =~ /^$_/ } qw(datepaid_ source_ memo_ paid_ exchangerate_ AR_paid_) } keys %{ $form };
+  map { my $key = $_; delete $form->{$key} if grep { $key =~ /^$_/ } qw(datepaid_ gldate_ acc_trans_id_ source_ memo_ paid_ exchangerate_ AR_paid_) } keys %{ $form };
 
+  # record link invoice to storno
+  $form->{convert_from_ar_ids} = $form->{id};
   $form->{storno_id} = $form->{id};
   $form->{storno} = 1;
   $form->{id} = "";
   $form->{invnumber} = "Storno zu " . $form->{invnumber};
+  $form->{invdate}   = DateTime->today->to_lxoffice;
   $form->{rowcount}++;
+  # set new ids for storno invoice
+  # set new persistent ids for storno invoice items
+  $form->{"converted_from_invoice_id_$_"} = delete $form->{"invoice_id_$_"} for 1 .. $form->{"rowcount"};
 
   post();
   $main::lxdebug->leave_sub();
@@ -1404,7 +953,7 @@ sub preview {
   $main::auth->assert('invoice_edit');
 
   $form->{preview} = 1;
-  my $old_form = new Form;
+  my $old_form = Form->new;
   for (keys %$form) { $old_form->{$_} = $form->{$_} }
 
   &print_form($old_form);
@@ -1412,51 +961,6 @@ sub preview {
 
 }
 
-sub delete {
-  $main::lxdebug->enter_sub();
-
-  my $form     = $main::form;
-  my $locale   = $main::locale;
-
-  $main::auth->assert('invoice_edit');
-
-  if ($form->{second_run}) {
-    $form->{print_and_post} = 0;
-  }
-  $form->header;
-
-  print qq|
-<body>
-
-<form method="post" action="$form->{script}">
-|;
-
-  # delete action variable
-  map { delete $form->{$_} } qw(action header);
-
-  foreach my $key (keys %$form) {
-    next if (($key eq 'login') || ($key eq 'password') || ('' ne ref $form->{$key}));
-    $form->{$key} =~ s/\"/&quot;/g;
-    print qq|<input type="hidden" name="$key" value="$form->{$key}">\n|;
-  }
-
-  print qq|
-<h2 class="confirm">| . $locale->text('Confirm!') . qq|</h2>
-
-<h4>|
-    . $locale->text('Are you sure you want to delete Invoice Number')
-    . qq| $form->{invnumber}
-</h4>
-
-<p>
-<input name="action" class="submit" type="submit" value="|
-    . $locale->text('Yes') . qq|">
-</form>
-|;
-
-  $main::lxdebug->leave_sub();
-}
-
 sub credit_note {
   $main::lxdebug->enter_sub();
 
@@ -1470,17 +974,16 @@ sub credit_note {
   $form->{duedate} =
     $form->current_date(\%myconfig, $form->{invdate}, $form->{terms} * 1);
 
+  $form->{convert_from_ar_ids} = $form->{id};
   $form->{id}     = '';
   $form->{rowcount}--;
-  $form->{shipto} = 1;
 
 
   $form->{title}  = $locale->text('Add Credit Note');
   $form->{script} = 'is.pl';
-  our $script         = "is";
-  our $buysell        = 'buy';
-
 
+  # Bei Gutschriften bezug zur Rechnungsnummer
+  $form->{invnumber_for_credit_note} = $form->{invnumber};
   # bo creates the id, reset it
   map { delete $form->{$_} }
     qw(id invnumber subject message cc bcc printed emailed queued);
@@ -1490,18 +993,33 @@ sub credit_note {
 
   map { $form->{"select$_"} = "" } ($form->{vc}, 'currency');
 
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
-    qw(creditlimit creditremaining);
+#  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
+#    qw(creditlimit creditremaining);
+
+  # set new persistent ids for credit note and link previous invoice id
+  $form->{"converted_from_invoice_id_$_"} = delete $form->{"invoice_id_$_"} for 1 .. $form->{"rowcount"};
 
   my $currency = $form->{currency};
   &invoice_links;
 
   $form->{currency}     = $currency;
-  $form->{forex}        = $form->check_exchangerate( \%myconfig, $form->{currency}, $form->{invdate}, $buysell);
+  $form->{forex}        = $form->check_exchangerate( \%myconfig, $form->{currency}, $form->{invdate}, 'buy');
   $form->{exchangerate} = $form->{forex} || '';
 
   $form->{creditremaining} -= ($form->{oldinvtotal} - $form->{ordtotal});
 
+  # bei Gutschriften werden Zahlungseingänge aus Rechnung nicht übernommen
+  for my $i (1 .. $form->{paidaccounts}) {
+    delete $form->{"paid_$i"};
+    delete $form->{"source_$i"};
+    delete $form->{"memo_$i"};
+    delete $form->{"datepaid_$i"};
+    delete $form->{"gldate_$i"};
+    delete $form->{"acc_trans_id_$i"};
+    delete $form->{"AR_paid_$i"};
+  };
+  $form->{paidaccounts} = 1;
+
   &prepare_invoice;
 
 
@@ -1510,30 +1028,48 @@ sub credit_note {
   $main::lxdebug->leave_sub();
 }
 
-sub yes {
-  $main::lxdebug->enter_sub();
+sub display_form {
+  $::lxdebug->enter_sub;
 
-  my $form     = $main::form;
-  my %myconfig = %main::myconfig;
-  my $locale   = $main::locale;
+  $::auth->assert('invoice_edit');
 
-  $main::auth->assert('invoice_edit');
+  relink_accounts();
+
+  my $new_rowcount = $::form->{"rowcount"} * 1 + 1;
+  $::form->{"project_id_${new_rowcount}"} = $::form->{"globalproject_id"};
+
+  $::form->language_payment(\%::myconfig);
 
-  if (IS->delete_invoice(\%myconfig, \%$form, $main::spool)) {
+  Common::webdav_folder($::form);
+
+  form_header();
+  display_row(++$::form->{rowcount});
+  form_footer();
+
+  $::lxdebug->leave_sub;
+}
+
+sub delete {
+  $::auth->assert('invoice_edit');
+
+  if (IS->delete_invoice(\%::myconfig, $::form)) {
     # saving the history
-  	if(!exists $form->{addition}) {
-    $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
-  	  $form->{addition} = "DELETED";
-  	  $form->save_history($form->dbconnect(\%myconfig));
+    if(!exists $::form->{addition}) {
+      $::form->{snumbers}  = 'invnumber' .'_'. $::form->{invnumber};
+      $::form->{what_done} = 'invoice';
+      $::form->{addition}  = "DELETED";
+      $::form->save_history;
     }
     # /saving the history
-    $form->redirect($locale->text('Invoice deleted!'));
+    $::form->redirect($::locale->text('Invoice deleted!'));
   }
-  $form->error($locale->text('Cannot delete invoice!'));
-
-  $main::lxdebug->leave_sub();
+  $::form->error($::locale->text('Cannot delete invoice!'));
 }
 
+sub post_and_e_mail {
+  e_mail();
+};
+
 sub e_mail {
   $main::lxdebug->enter_sub();
 
@@ -1542,7 +1078,7 @@ sub e_mail {
   $main::auth->assert('invoice_edit');
 
   if (!$form->{id}) {
-    $print_post = 1;
+    $form->{no_redirect_after_post} = 1;
 
     my $saved_form = save_form();
 
@@ -1555,3 +1091,18 @@ sub e_mail {
 
   $main::lxdebug->leave_sub();
 }
+
+sub dispatcher {
+  for my $action (qw(
+    print update ship_to e_mail storno post_payment use_as_new credit_note
+    delete post order preview post_and_e_mail print_and_post
+    mark_as_paid
+  )) {
+    if ($::form->{"action_$action"}) {
+      call_sub($action);
+      return;
+    }
+  }
+
+  $::form->error($::locale->text('No action defined.'));
+}