X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/2ff471a7b78c1085bbc0adff525fbf589127d819..fbcd5580:/bin/mozilla/is.pl

diff --git a/bin/mozilla/is.pl b/bin/mozilla/is.pl
index bf64bb612..5ac59b27e 100644
--- a/bin/mozilla/is.pl
+++ b/bin/mozilla/is.pl
@@ -24,29 +24,49 @@
 # 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
 #
 #======================================================================
 
+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);
 
-require "$form->{path}/io.pl";
-require "$form->{path}/arap.pl";
-require "bin/mozilla/drafts.pl";
+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";
+
+use strict;
 
 1;
 
 # end of main
 
 sub add {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
 
-  return $lxdebug->leave_sub() if (load_draft_maybe());
+  $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');
@@ -60,42 +80,46 @@ sub add {
   }
 
 
-  $form->{callback} =
-    "$form->{script}?action=add&type=$form->{type}&login=$form->{login}&path=$form->{path}&password=$form->{password}"
-    unless $form->{callback};
-
-  $form{jsscript} = "date";
+  $form->{callback} = "$form->{script}?action=add&type=$form->{type}" unless $form->{callback};
 
-  if ($myconfig{acs} =~ "AR--Add Sales Invoice" || $myconfig{acs} =~ "AR--AR")
-  {
-    $form->error("Access Denied");
-  }
   &invoice_links;
   &prepare_invoice;
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub edit {
-  $lxdebug->enter_sub();
+  $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
   $form->{javascript} = qq|<script type="text/javascript" src="js/show_history.js"></script>|;
-  #/show hhistory button
-  
-  if ($myconfig{acs} =~ "AR--Add Sales Invoice" || $myconfig{acs} =~ "AR--AR")
-  {
-    $form->error("Access Denied");
-  }
-  $edit = 1;
+
+  my ($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};
+  } 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;
@@ -104,153 +128,94 @@ sub edit {
 
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub invoice_links {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
 
   $form->{vc} = 'customer';
 
   # create links
-  $form->{webdav}   = $webdav;
-  $form->{lizenzen} = $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};
 
-  if ($form->{payment_id}) {
-    $payment_id = $form->{payment_id};
-  }
-  if ($form->{language_id}) {
-    $language_id = $form->{language_id};
-  }
-  if ($form->{taxzone_id}) {
-    $taxzone_id = $form->{taxzone_id};
-  }
-  if ($form->{id}) {
-    $id = $form->{id};
-  }
-  if ($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));
 
-  $cp_id = $form->{cp_id};
   IS->get_customer(\%myconfig, \%$form);
 
-  #quote all_customer Bug 133
-  foreach $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;
+  $form->restore_vars(qw(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;
-  }
-
-  # currencies
-  @curr = split(/:/, $form->{currencies});
-  chomp $curr[0];
-  $form->{defaultcurrency} = $curr[0];
-
-  map { $form->{selectcurrency} .= "<option>$_\n" } @curr;
-
-  $form->{oldcustomer} = "$form->{customer}--$form->{customer_id}";
-
-  if (@{ $form->{all_customer} }) {
-    $form->{customer} = "$form->{customer}--$form->{customer_id}";
-    map { $form->{selectcustomer} .= "<option>$_->{name}--$_->{id}\n" }
-      (@{ $form->{all_customer} });
-  }
-
-  # departments
-  if ($form->{all_departments}) {
-    $form->{selectdepartment} = "<option>\n";
-    $form->{department}       = "$form->{department}--$form->{department_id}";
-
-    map {
-      $form->{selectdepartment} .=
-        "<option>$_->{description}--$_->{id}\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}";
 
-  # sales staff
-  if ($form->{all_employees}) {
-    $form->{selectemployee} = "";
-    map { $form->{selectemployee} .= "<option>$_->{name}--$_->{id}\n" }
-      (@{ $form->{all_employees} });
-  }
-
   # forex
   $form->{forex} = $form->{exchangerate};
-  $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
+  my $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
 
-  foreach $key (keys %{ $form->{AR_links} }) {
-    foreach $ref (@{ $form->{AR_links}{$key} }) {
-      $form->{"select$key"} .= "<option>$ref->{accno}--$ref->{description}\n";
+  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") {
-      for $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}";
+      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};
-        $form->{"forex_$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));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub prepare_invoice {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
 
   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";
@@ -258,1005 +223,329 @@ sub prepare_invoice {
 
   if ($form->{id}) {
 
-    map { $form->{$_} =~ s/\"/&quot;/g }
-      qw(invnumber ordnumber quonumber shippingpoint shipvia notes intnotes);
-
-    #     # get pricegroups for parts
-    #     IS->get_pricegroups_for_parts(\%myconfig, \%$form);
-
     my $i = 0;
 
-    foreach $ref (@{ $form->{invoice_details} }) {
+    foreach my $ref (@{ $form->{invoice_details} }) {
       $i++;
 
       map { $form->{"${_}_$i"} = $ref->{$_} } keys %{$ref};
-      $form->{"discount_$i"} =
-        $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100);
-      ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
-      $dec           = length $dec;
-      $decimalplaces = ($dec > 2) ? $dec : 2;
 
-      $form->{"sellprice_$i"} =
-        $form->format_amount(\%myconfig, $form->{"sellprice_$i"},
-                             $decimalplaces);
+      $form->{"discount_$i"}   = $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100);
+      my ($dec)                = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
+      $dec                     = length $dec;
+      my $decimalplaces        = ($dec > 2) ? $dec : 2;
 
-      (my $dec_qty) = ($form->{"qty_$i"} =~ /\.(\d+)/);
-      $dec_qty = length $dec_qty;
+      $form->{"sellprice_$i"}  = $form->format_amount(\%myconfig, $form->{"sellprice_$i"}, $decimalplaces);
+      (my $dec_qty)            = ($form->{"qty_$i"} =~ /\.(\d+)/);
+      $dec_qty                 = length $dec_qty;
 
-      $form->{"qty_$i"} =
-        $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);
+      $form->{"lastcost_$i"}  = $form->format_amount(\%myconfig, $form->{"lastcost_$i"}, $decimalplaces);
 
-      map { $form->{"${_}_$i"} =~ s/\"/&quot;/g }
-        qw(partnumber description unit partnotes);
-      $form->{rowcount} = $i;
-
-    }
-  }
-  $lxdebug->leave_sub();
-}
+      $form->{"qty_$i"}        = $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);
 
-sub form_header {
-  $lxdebug->enter_sub();
+      $form->{"sellprice_pg_$i"} = join ('--', $form->{"sellprice_$i"}, $form->{"pricegroup_id_$i"});
 
-  if ($edit) {
+      $form->{rowcount}        = $i;
 
-    if ($form->{type} eq "credit_note") {
-      $form->{title} = $locale->text('Edit Credit Note');
-    
-      if ($form->{storno}) {
-        $form->{title} = $locale->text('Edit Storno Credit Note');
-      }
-    } else {
-      $form->{title} = $locale->text('Edit Sales Invoice');
-    
-      if ($form->{storno}) {
-        $form->{title} = $locale->text('Edit Storno Invoice');
-      }
     }
   }
+  $main::lxdebug->leave_sub();
+}
 
-  $form->{radier} =
-    ($form->current_date(\%myconfig) eq $form->{gldate}) ? 1 : 0;
-
-  $payment = qq|<option value=""></option>|;
-  foreach $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>|;
-    }
+sub form_header {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+  my $cgi      = $::request->{cgi};
+
+  $main::auth->assert('invoice_edit');
+
+  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};
+
+  $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;
+
+  # 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} =~ /-/;
+
+# 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}/;
   }
 
-  my $set_duedate_url =
-    "$form->{script}?login=$form->{login}&path=$form->{path}&password=$form->{password}&action=set_duedate";
+  $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};
 
-  my $pjx = new CGI::Ajax( 'set_duedate' => $set_duedate_url );
-  push(@ { $form->{AJAX} }, $pjx);
+  push @custom_hiddens, map { "shiptocvar_" . $_->name } @{ SL::DB::Manager::CustomVariableConfig->get_all(where => [ module => 'ShipTo' ]) };
 
-  if (@{ $form->{TAXZONE} }) {
-    $form->{selecttaxzone} = "";
-    foreach $item (@{ $form->{TAXZONE} }) {
-      if ($item->{id} == $form->{taxzone_id}) {
-        $form->{selecttaxzone} .=
-          "<option value=$item->{id} selected>" . H($item->{description}) .
-          "</option>";
-      } else {
-        $form->{selecttaxzone} .=
-          "<option value=$item->{id}>" . H($item->{description}) . "</option>";
-      }
+  # hiddens
+  $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}];
 
-    }
-  } else {
-    $form->{selecttaxzone} =~ s/ selected//g;
-    if ($form->{taxzone_id} ne "") {
-      $form->{selecttaxzone} =~ s/value=$form->{taxzone_id}/value=$form->{taxzone_id} selected/;
-    }
-  }
+  $::request->{layout}->use_javascript(map { "${_}.js" } qw(kivi.Draft kivi.SalesPurchase ckeditor/ckeditor ckeditor/adapters/jquery kivi.io autocomplete_customer autocomplete_part client_js));
 
-  $taxzone = qq|
-	      <tr>
-		<th align=right>| . $locale->text('Steuersatz') . qq|</th>
-		<td><select name=taxzone_id>$form->{selecttaxzone}</select></td>
-		<input type=hidden name=selecttaxzone value="$form->{selecttaxzone}">
-	      </tr>|;
-
-  my @old_project_ids = ($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_SALESMEN");
-
-  my (%labels, @values);
-  foreach my $item (@{ $form->{"ALL_CONTACTS"} }) {
-    push(@values, $item->{"cp_id"});
-    $labels{$item->{"cp_id"}} = $item->{"cp_name"} .
-      ($item->{"cp_abteilung"} ? " ($item->{cp_abteilung})" : "");
-  }
-  my $contact =
-    NTI($cgi->popup_menu('-name' => 'cp_id', '-values' => \@values,
-                         '-labels' => \%labels, '-default' => $form->{"cp_id"}));
-
-  %labels = ();
-  @values = ("");
-  foreach my $item (@{ $form->{"ALL_SHIPTO"} }) {
-    push(@values, $item->{"shipto_id"});
-    $labels{$item->{"shipto_id"}} =
-      $item->{"shiptoname"} . " " . $item->{"shiptodepartment_1"};
-  }
+  $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};
 
-  my $shipto = qq|
-		<th align=right>| . $locale->text('Shipping Address') . qq|</th>
-		<td>| .
-    NTI($cgi->popup_menu('-name' => 'shipto_id', '-values' => \@values,
-                         '-labels' => \%labels, '-default' => $form->{"shipto_id"}))
-    . qq|</td>|;
-
-  %labels = ();
-  @values = ("");
-  foreach my $item (@{ $form->{"ALL_PROJECTS"} }) {
-    push(@values, $item->{"id"});
-    $labels{$item->{"id"}} = $item->{"projectnumber"};
-  }
-  my $globalprojectnumber =
-    NTI($cgi->popup_menu('-name' => 'globalproject_id', '-values' => \@values,
-                         '-labels' => \%labels,
-                         '-default' => $form->{"globalproject_id"}));
-
-  %labels = ();
-  @values = ("");
-  foreach my $item (@{ $form->{ALL_SALESMEN} }) {
-    push(@values, $item->{id});
-    $labels{$item->{id}} = $item->{name} ne "" ? $item->{name} : $item->{login};
-  }
+  $form->header();
 
-  $salesman =
-    qq|<tr>
-          <th align="right">| . $locale->text('Salesman') . qq|</th>
-          <td>| .
-     NTI($cgi->popup_menu('-name' => 'salesman_id', '-default' => $form->{salesman_id},
-                               '-values' => \@values, '-labels' => \%labels))
-     . qq|</td>
-         </tr>|;
-
-  # set option selected
-  foreach $item (qw(AR customer currency department employee)) {
-    $form->{"select$item"} =~ s/ selected//;
-    $form->{"select$item"} =~
-      s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
-  }
+  print $form->parse_html_template("is/form_header", \%TMPL_VAR);
 
-  #quote customer Bug 133
-  $form->{selectcustomer} = $form->quote($form->{selectcustomer});
-  
-  if (($form->{creditlimit} != 0) && ($form->{creditremaining} < 0) && !$form->{update}) {
-    $creditwarning = 1;
-  } else {
-    $creditwarning = 0;
-  }
-
-  $form->{exchangerate} =
-    $form->format_amount(\%myconfig, $form->{exchangerate});
-
-  $form->{creditlimit} =
-    $form->format_amount(\%myconfig, $form->{creditlimit}, 0, "0");
-  $form->{creditremaining} =
-    $form->format_amount(\%myconfig, $form->{creditremaining}, 0, "0");
-
-  $exchangerate = "";
-  if ($form->{currency} ne $form->{defaultcurrency}) {
-    if ($form->{forex}) {
-      $exchangerate .=
-          qq|<th align=right>|
-        . $locale->text('Exchangerate')
-        . qq|</th><td>$form->{exchangerate}<input type=hidden name=exchangerate value=$form->{exchangerate}></td>|;
-    } else {
-      $exchangerate .=
-          qq|<th align=right>|
-        . $locale->text('Exchangerate')
-        . qq|</th><td><input name=exchangerate size=10 value=$form->{exchangerate}></td>|;
-    }
-  }
-  $exchangerate .= qq|
-<input type=hidden name=forex value=$form->{forex}>
-|;
-
-  $customer =
-    ($form->{selectcustomer})
-    ? qq|<select name=customer>$form->{selectcustomer}</select>\n<input type=hidden name="selectcustomer" value="$form->{selectcustomer}">|
-    : qq|<input name=customer value="$form->{customer}" size=35>|;
-
-  $department = qq|
-              <tr>
-	        <th align="right" nowrap>| . $locale->text('Department') . qq|</th>
-		<td colspan=3><select name=department>$form->{selectdepartment}</select>
-		<input type=hidden name=selectdepartment value="$form->{selectdepartment}">
-		</td>
-	      </tr>
-| if $form->{selectdepartment};
-
-  $n = ($form->{creditremaining} =~ /-/) ? "0" : "1";
-
-  if ($form->{business}) {
-    $business = qq|
-	      <tr>
-		<th align=right>| . $locale->text('Business') . qq|</th>
-		<td>$form->{business}</td>
-		<th align=right>| . $locale->text('Trade Discount') . qq|</th>
-		<td>|
-      . $form->format_amount(\%myconfig, $form->{tradediscount} * 100)
-      . qq| %</td>
-	      </tr>
-|;
-  }
+  $main::lxdebug->leave_sub();
+}
 
-  if ($form->{max_dunning_level}) {
-    $dunning = qq|
-	      <tr>
-                <td colspan=4>
-                <table>
-                  <tr>
-		<th align=right>| . $locale->text('Max. Dunning Level') . qq|:</th>
-		<td><b>$form->{max_dunning_level}</b></td>
-		<th align=right>| . $locale->text('Dunning Amount') . qq|:</th>
-		<td><b>|
-      . $form->format_amount(\%myconfig, $form->{dunning_amount},2)
-      . qq|</b></td>
-	      </tr>
-              </table>
-             </td>
-            </tr>
-|;
-  }
+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});
 
-  $form->{fokus} = "invoice.customer";
+  @payments = sort_by { DateTime->from_kivitendo($_->{datepaid}) } @payments;
 
-  # use JavaScript Calendar or not
-  $form->{jsscript} = $jscalendar;
-  $jsscript = "";
-  if ($form->{type} eq "credit_note") {
-    if ($form->{jsscript}) {
-  
-      # with JavaScript Calendar
-      $button1 = qq|
-        <td><input name=invdate id=invdate size=11 title="$myconfig{dateformat}" value=$form->{invdate}></td>
-        <td><input type=button name=invdate id="trigger1" value=|
-        . $locale->text('button') . qq|></td>
-        |;
-  
-      #write Trigger
-      $jsscript =
-        Form->write_trigger(\%myconfig,     "1",
-                            "invdate",      "BL",
-                            "trigger1");
-    } else {
-  
-      # without JavaScript Calendar
-      $button1 =
-        qq|<td><input name=invdate size=11 title="$myconfig{dateformat}" value=$form->{invdate}></td>|;
-      $button2 =
-        qq|<td width="13"><input name=duedate size=11 title="$myconfig{dateformat}" value=$form->{duedate}></td>|;
-    }
-  } else {
-    if ($form->{jsscript}) {
-  
-      # with JavaScript Calendar
-      $button1 = qq|
-        <td><input name=invdate id=invdate size=11 title="$myconfig{dateformat}" value=$form->{invdate}></td>
-        <td><input type=button name=invdate id="trigger1" value=|
-        . $locale->text('button') . qq|></td>
-        |;
-      $button2 = qq|
-        <td width="13"><input name=duedate id=duedate size=11 title="$myconfig{dateformat}" value=$form->{duedate}></td>
-        <td width="4"><input type=button name=duedate id="trigger2" value=|
-        . $locale->text('button') . qq|></td></td>
-      |;
-      $button3 = qq|
-        <td width="13"><input name=deliverydate id=deliverydate size=11 title="$myconfig{dateformat}" value=$form->{deliverydate}></td>
-        <td width="4"><input type=button name=deliverydate id="trigger3" value=|
-        . $locale->text('button') . qq|></td></td>
-      |;
-  
-      #write Trigger
-      $jsscript =
-        Form->write_trigger(\%myconfig,     "3",
-                            "invdate",      "BL",
-                            "trigger1",     "duedate",
-                            "BL",           "trigger2",
-                            "deliverydate", "BL",
-                            "trigger3");
-    } else {
-  
-      # without JavaScript Calendar
-      $button1 =
-        qq|<td><input name=invdate size=11 title="$myconfig{dateformat}" value=$form->{invdate}></td>|;
-      $button2 =
-        qq|<td width="13"><input name=duedate size=11 title="$myconfig{dateformat}" value=$form->{duedate}></td>|;
-    }
-  }
-  if ($form->{resubmit} && ($form->{format} eq "html")) {
-    $onload =
-      qq|window.open('about:blank','Beleg'); document.invoice.target = 'Beleg';document.invoice.submit()|;
-  } elsif ($form->{resubmit}) {
-    $onload = qq|document.invoice.submit()|;
-  } else {
-    $onload = "fokus()";
-  }
+  $::form->{paidaccounts} = max scalar(@payments), 1;
 
-  $credittext = $locale->text('Credit Limit exceeded!!!');
-  if ($creditwarning) {
-    $onload = qq|alert('$credittext')|;
+  foreach my $idx (1 .. scalar(@payments)) {
+    my $payment = $payments[$idx - 1];
+    $::form->{"${_}_${idx}"} = $payment->{$_} for @fields;
   }
-
-  $form->{"javascript"} .= qq|<script type="text/javascript" src="js/show_form_details.js"></script>|;
-
-  $jsscript .=
-    $form->write_trigger(\%myconfig, 2,
-                         "orddate", "BL", "trigger_orddate",
-                         "quodate", "BL", "trigger_quodate");
-  # show history button js
-  $form->{javascript} .= qq|<script type="text/javascript" src="js/show_history.js"></script>|;
-  #/show history button js
-  $form->header;
-
-  print qq|
-<body onLoad="$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>
-
-<form method=post name="invoice" action=$form->{script}>
-
-
-<input type=hidden name=id value=$form->{id}>
-<input type=hidden name=action value=$form->{action}>
-
-<input type=hidden name=type value=$form->{type}>
-<input type=hidden name=media value=$form->{media}>
-<input type=hidden name=format value=$form->{format}>
-
-<input type=hidden name=queued value="$form->{queued}">
-<input type=hidden name=printed value="$form->{printed}">
-<input type=hidden name=emailed value="$form->{emailed}">
-
-<input type=hidden name=title value="$form->{title}">
-<input type=hidden name=vc value=$form->{vc}>
-
-<input type=hidden name=discount value=$form->{discount}>
-<input type=hidden name=creditlimit value=$form->{creditlimit}>
-<input type=hidden name=creditremaining value=$form->{creditremaining}>
-
-<input type=hidden name=tradediscount value=$form->{tradediscount}>
-<input type=hidden name=business value=$form->{business}>
-
-<input type=hidden name=closedto value=$form->{closedto}>
-<input type=hidden name=locked value=$form->{locked}>
-
-<input type=hidden name=shipped value=$form->{shipped}>
-<input type=hidden name=lizenzen value=$lizenzen>
-<input type=hidden name=storno value=$form->{storno}>
-<input type=hidden name=storno_id value=$form->{storno_id}>
-
-| . ($form->{saved_message} ? qq|<p>$form->{saved_message}</p>| : "") . qq|
-
-<table width=100%>
-  <tr class=listtop>
-    <th class=listtop>$form->{title}</th>
-  </tr>
-  <tr height="5"></tr>
-  <tr>
-    <td>
-      <table width=100%>
-	<tr valign=top>
-	  <td>
-	    <table>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Customer') . qq|</th>
-		<td colspan=3>$customer</td>
-    <input type=hidden name=customer_klass value=$form->{customer_klass}>
-		<input type=hidden name=customer_id value=$form->{customer_id}>
-		<input type=hidden name=oldcustomer value="$form->{oldcustomer}">
-                <th align=richt nowrap>|
-    . $locale->text('Contact Person') . qq|</th>
-                <td colspan=3>$contact</td>
-	      </tr>
-	      <tr>
-		<td></td>
-		<td colspan=3>
-		  <table>
-		    <tr>
-		      <th nowrap>| . $locale->text('Credit Limit') . qq|</th>
-		      <td>$form->{creditlimit}</td>
-		      <td width=20%></td>
-		      <th nowrap>| . $locale->text('Remaining') . qq|</th>
-		      <td class="plus$n">$form->{creditremaining}</td>
-		    </tr>
-		  </table>
-		</td>
-                $shipto
-	      </tr>
-	      $business
-              $dunning
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Record in') . qq|</th>
-		<td colspan=3><select name=AR style="width:280px;">$form->{selectAR}</select></td>
-		<input type=hidden name=selectAR value="$form->{selectAR}">
-	      </tr>
-              $taxzone
-	      $department
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Currency') . qq|</th>
-		<td><select name=currency>$form->{selectcurrency}</select></td>
-		<input type=hidden name=selectcurrency value="$form->{selectcurrency}">
-		<input type=hidden name=defaultcurrency value=$form->{defaultcurrency}>
-		<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>| . $locale->text('Shipping Point') . qq|</th>
-		<td colspan=3><input name=shippingpoint size=35 value="$form->{shippingpoint}"></td>
-	      </tr>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Ship via') . qq|</th>
-		<td colspan=3><input name=shipvia size=35 value="$form->{shipvia}"></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>
-	    <table>
-	      <tr>
-	        <th align=right nowrap>| . $locale->text('Employee') . qq|</th>
-		<td colspan=2><select name=employee>$form->{selectemployee}</select></td>
-		<input type=hidden name=selectemployee value="$form->{selectemployee}">
-                <td></td>
-	      </tr>
-        $salesman
-|;
-if ($form->{type} eq "credit_note") {
-print qq|     <tr>
-		<th align=right nowrap>| . $locale->text('Credit Note Number') . qq|</th>
-		<td><input name=invnumber size=11 value="$form->{invnumber}"></td>
-	      </tr>
-	      <tr>
-		<th align=right>| . $locale->text('Credit Note Date') . qq|</th>
-                $button1
-	      </tr>|;
-} else {
-print qq|     <tr>
-		<th align=right nowrap>| . $locale->text('Invoice Number') . qq|</th>
-		<td><input name=invnumber size=11 value="$form->{invnumber}"></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>| . $locale->text('Delivery Date') . qq|</th>
-                $button3
-	      </tr>|;
-}
-print qq|     <tr>
-		<th align=right nowrap>| . $locale->text('Order Number') . qq|</th>
-		<td><input name=ordnumber size=11 value="$form->{ordnumber}"></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|"></td>
-          <td><input type="button" name="b_orddate" id="trigger_orddate" value="?"></td>
-        </tr>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Quotation Number') . qq|</th>
-		<td><input name=quonumber size=11 value="$form->{quonumber}"></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|"></td>
-          <td><input type="button" name="b_quodate" id="trigger_quodate" value="?"></td>
-        </tr>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Customer Order Number') . qq|</th>
-		<td><input name=cusordnumber size=11 value="$form->{cusordnumber}"></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>
-
-$jsscript
-
-<!-- shipto are in hidden variables -->
-
-<input type=hidden name=shiptoname value="$form->{shiptoname}">
-<input type=hidden name=shiptostreet value="$form->{shiptostreet}">
-<input type=hidden name=shiptozipcode value="$form->{shiptozipcode}">
-<input type=hidden name=shiptocity value="$form->{shiptocity}">
-<input type=hidden name=shiptocountry value="$form->{shiptocountry}">
-<input type=hidden name=shiptocontact value="$form->{shiptocontact}">
-<input type=hidden name=shiptophone value="$form->{shiptophone}">
-<input type=hidden name=shiptofax value="$form->{shiptofax}">
-<input type=hidden name=shiptoemail value="$form->{shiptoemail}">
-
-<!-- email variables -->
-<input type=hidden name=message value="$form->{message}">
-<input type=hidden name=email value="$form->{email}">
-<input type=hidden name=subject value="$form->{subject}">
-<input type=hidden name=cc value="$form->{cc}">
-<input type=hidden name=bcc value="$form->{bcc}">
-<input type=hidden name=webdav value=$webdav>
-<input type=hidden name=taxaccounts value="$form->{taxaccounts}">
-|;
-
-  foreach $item (split / /, $form->{taxaccounts}) {
-    print qq|
-<input type=hidden name="${item}_rate" value="$form->{"${item}_rate"}">
-<input type=hidden name="${item}_description" value="$form->{"${item}_description"}">
-<input type=hidden name="${item}_taxnumber" value="$form->{"${item}_taxnumber"}">
-|;
-  }
-  $lxdebug->leave_sub();
 }
 
 sub form_footer {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  $form->{invtotal} = $form->{invsubtotal};
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
 
-  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;
-  $notes =
-    qq|<textarea name=notes rows=$rows cols=26 wrap=soft>$form->{notes}</textarea>|;
-  $intnotes =
-    qq|<textarea name=intnotes rows=$rows cols=35 wrap=soft>$form->{intnotes}</textarea>|;
-
-  $form->{taxincluded} = ($form->{taxincluded}) ? "checked" : "";
-
-  $taxincluded = "";
-  if ($form->{taxaccounts}) {
-    $taxincluded = qq|
-	        <input name=taxincluded class=checkbox type=checkbox value=1 $form->{taxincluded}> <b>|
-      . $locale->text('Tax Included') . qq|</b><br><br>|;
-  }
+  $main::auth->assert('invoice_edit');
 
-  if (!$form->{taxincluded}) {
+  $form->{invtotal}    = $form->{invsubtotal};
 
-    foreach $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 $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);
-
-  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>$intnotes</td>
-                <td><select name=payment_id onChange="if (this.value) set_duedate(['payment_id__' + this.value],['duedate'])">$payment
-                </select></td>
-	      </tr>
-	    </table>
-	  </td>
-	  <td align=right width=100%>
-	    $taxincluded
-	    <table width=100%>
-	      $subtotal
-	      $tax
-	      <tr>
-		<th align=right>| . $locale->text('Total') . qq|</th>
-		<td align=right>$form->{invtotal}</td>
-	      </tr>
-	    </table>
-	  </td>
-	</tr>
-      </table>
-    </td>
-  </tr>
-|;
-  if ($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 $file (keys %{ $form->{WEBDAV} }) {
-      $webdav_list .= qq|
-      <tr>
-        <td align=left>$file</td>
-        <td align=left><a href="$form->{WEBDAV}{$file}">$form->{WEBDAV}{$file}</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 $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
+  );
 
-  if ($form->{currency} eq $form->{defaultcurrency}) {
-    @column_index = qw(datepaid source memo paid AR_paid);
-  } else {
-    @column_index = qw(datepaid source memo paid exchangerate AR_paid);
+  # follow ups
+  if ($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;
   }
 
-  $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 = ();
+  # payments
+  _sort_payments();
 
+  my $totalpaid = 0;
   $form->{paidaccounts}++ if ($form->{"paid_$form->{paidaccounts}"});
-  for $i (1 .. $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"}));
+    }
 
-    print "
-        <tr>\n";
+    #deaktivieren von gebuchten Zahlungen ausserhalb der Bücherkontrolle, vorher prüfen ob heute eingegeben
+    if ($form->date_closed($form->{"gldate_$i"})) {
+      $form->{"changeable_$i"} = 0;
+    }
 
     $form->{"selectAR_paid_$i"} = $form->{selectAR_paid};
-    $form->{"selectAR_paid_$i"} =~
-      s/option>\Q$form->{"AR_paid_$i"}\E/option selected>$form->{"AR_paid_$i"}/;
-
-    # 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"});
-
-    $exchangerate = qq|&nbsp;|;
-    if ($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"}>|;
-      }
+    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"}/;
     }
 
-    $exchangerate .= qq|
-<input type=hidden name="forex_$i" value=$form->{"forex_$i"}>
-|;
-
-    $column_data{"paid_$i"} =
-      qq|<td align=center><input name="paid_$i" size=11 value=$form->{"paid_$i"}></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_$i"}>
-         <input type="button" name="datepaid_$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");
-  }
-
-  print qq|
-<input type=hidden name=paidaccounts value=$form->{paidaccounts}>
-<input type=hidden name=selectAR_paid value="$form->{selectAR_paid}">
-<input type=hidden name=oldinvtotal value=$form->{oldinvtotal}>
-<input type=hidden name=oldtotalpaid value=$totalpaid>
-    </table>
-    </td>
-  </tr>
-  <tr>
-    <td><hr size=3 noshade></td>
-  </tr>
-  <tr>
-    <td>
-|;
-
-  &print_options;
-
-  print qq|
-    </td>
-  </tr>
-</table>
-|;
-
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
-
-  if ($form->{id}) {
-    my $show_storno = !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ar");
-
-    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|">
-|;
+    $totalpaid += $form->{"paid_$i"};
   }
 
+  $form->{oldinvtotal} = $form->{invtotal};
 
-    if ($invdate > $closedto) {
-      print qq|
-      <input class=submit type=submit name=action value="|
-        . $locale->text('Order') . qq|">
-|;
-    }
+  $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();
+}
 
-  } 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'));
-    }
-  }
+sub mark_as_paid {
+  $::auth->assert('invoice_edit');
 
-  # 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
+  SL::DB::Invoice->new(id => $::form->{id})->load->mark_as_paid;
 
+  $::form->redirect($::locale->text("Marked as paid"));
+}
 
-  print $form->write_trigger(\%myconfig, scalar(@triggers) / 3, @triggers) .
-    qq|
+sub show_draft {
+  update();
+}
 
-<input type=hidden name=rowcount value=$form->{rowcount}>
+sub update {
+  $main::lxdebug->enter_sub();
 
-<input name=callback type=hidden value="$form->{callback}">
-|
-. $cgi->hidden('-name' => 'draft_id', '-default' => [$form->{draft_id}])
-. $cgi->hidden('-name' => 'draft_description', '-default' => [$form->{draft_description}])
-. qq|
-<input type=hidden name=path value=$form->{path}>
-<input type=hidden name=login value=$form->{login}>
-<input type=hidden name=password value=$form->{password}>
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
 
-</form>
+  $main::auth->assert('invoice_edit');
 
-</body>
+  my ($recursive_call) = @_;
 
- </html>
-|;
+  $form->{print_and_post} = 0         if $form->{second_run};
+  my $taxincluded         = $form->{taxincluded} ? "checked" : '';
+  $form->{update} = 1;
 
-  $lxdebug->leave_sub();
-}
+  if (($form->{previous_customer_id} || $form->{customer_id}) != $form->{customer_id}) {
+    $::form->{salesman_id} = SL::DB::Manager::Employee->current->id if exists $::form->{salesman_id};
 
-sub update {
-  $lxdebug->enter_sub();
-
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
-    qw(exchangerate creditlimit creditremaining);
-  if ($form->{second_run}) {
-    $form->{print_and_post} = 0;
+    IS->get_customer(\%myconfig, $form);
   }
 
-  $form->{update} = 1;
-
-  &check_name(customer);
+  $form->{taxincluded} ||= $taxincluded;
 
-  $form->{exchangerate} = $exchangerate
-    if (
-        $form->{forex} = (
-                       $exchangerate =
-                         $form->check_exchangerate(
-                         \%myconfig, $form->{currency}, $form->{invdate}, 'buy'
-                         )));
+  if (!$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 $i (1 .. $form->{paidaccounts}) {
-    if ($form->{"paid_$i"}) {
-      map {
-        $form->{"${_}_$i"} =
-          $form->parse_amount(\%myconfig, $form->{"${_}_$i"})
-      } qw(paid exchangerate);
-
-      $form->{"exchangerate_$i"} = $exchangerate
-        if (
-            $form->{"forex_$i"} = (
-                 $exchangerate =
-                   $form->check_exchangerate(
-                   \%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy'
-                   )));
+  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"};
   }
 
-  $i            = $form->{rowcount};
-  $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
+  my $i            = $form->{rowcount};
+  my $exchangerate = $form->{exchangerate} || 1;
 
   # if last row empty, check the form otherwise retrieve new item
   if (   ($form->{"partnumber_$i"} eq "")
@@ -1270,89 +559,71 @@ sub update {
 
     IS->retrieve_item(\%myconfig, \%$form);
 
-    $rows = scalar @{ $form->{item_list} };
+    my $rows = scalar @{ $form->{item_list} };
 
-    $form->{"discount_$i"} =
-      $form->format_amount(\%myconfig, $form->{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 {
 
-        $sellprice = $form->parse_amount(\%myconfig, $form->{"sellprice_$i"});
+        my $sellprice = $form->parse_amount(\%myconfig, $form->{"sellprice_$i"});
 
-        map { $form->{item_list}[$i]{$_} =~ s/\"/&quot;/g }
-          qw(partnumber description unit);
-        map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} }
-          keys %{ $form->{item_list}[0] };
-        if ($form->{"part_payment_id_$i"} ne "") {
-          $form->{payment_id} = $form->{"part_payment_id_$i"};
-        }
+        map { $form->{item_list}[$i]{$_} =~ s/\"/&quot;/g } qw(partnumber description unit);
+        map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} } keys %{ $form->{item_list}[0] };
 
-        if ($form->{"not_discountable_$i"}) {
-          $form->{"discount_$i"} = 0;
-        }
+        $form->{payment_id}    = $form->{"part_payment_id_$i"} if $form->{"part_payment_id_$i"} ne "";
+        $form->{"discount_$i"} = 0                             if $form->{"not_discountable_$i"};
 
-        $s = ($sellprice) ? $sellprice : $form->{"sellprice_$i"};
-        ($dec) = ($s =~ /\.(\d+)/);
-        $dec           = length $dec;
-        $decimalplaces = ($dec > 2) ? $dec : 2;
+        $form->{"marge_price_factor_$i"} = $form->{item_list}->[0]->{price_factor};
+
+        ($sellprice || $form->{"sellprice_$i"}) =~ /\.(\d+)/;
+        my $decimalplaces = max 2, length $1;
 
         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;
 
-        $amount =
-          $form->{"sellprice_$i"} * $form->{"qty_$i"} *
-          (1 - $form->{"discount_$i"} / 100);
-        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};
+        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"});
-
-        if ($lizenzen) {
-          if ($form->{"inventory_accno_$i"} ne "") {
-            $form->{"lizenzen_$i"} = qq|<option></option>|;
-            foreach $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);
+        map { $form->{"${_}_$i"} = $form->format_amount(\%myconfig, $form->{"${_}_$i"}, $decimalplaces) } qw(sellprice lastcost);
 
-        # 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;
@@ -1367,30 +638,36 @@ sub update {
           && ($form->{"description_$i"} eq "")) {
         $form->{rowcount}--;
         $form->{"discount_$i"} = "";
-        &display_form;
-          } else {
+        display_form();
 
+      } else {
         $form->{"id_$i"}   = 0;
-        $form->{"unit_$i"} = $locale->text('ea');
-
-        &new_item;
-
+        new_item();
       }
     }
   }
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub post_payment {
-  $lxdebug->enter_sub();
-  for $i (1 .. $form->{paidaccounts}) {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
+
+  $form->mtime_ischanged('ar') ;
+  my $invdate = $form->datetonum($form->{invdate}, \%myconfig);
+
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+  for my $i (1 .. $form->{paidaccounts}) {
     if ($form->{"paid_$i"}) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+      my $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
-      $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($datepaid <= $closedto);
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1398,53 +675,94 @@ 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!'));
+  };
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub post {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  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));
+
+  $form->{invnumber} =~ s/^\s*//g;
+  $form->{invnumber} =~ s/\s*$//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;
 
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
+  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);
 
   $form->isblank("exchangerate", $locale->text('Exchangerate missing!'))
     if ($form->{currency} ne $form->{defaultcurrency});
 
-  for $i (1 .. $form->{paidaccounts}) {
+  for my $i (1 .. $form->{paidaccounts}) {
     if ($form->parse_amount(\%myconfig, $form->{"paid_$i"})) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+      my $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
 
       $form->isblank("datepaid_$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 ($datepaid <= $closedto);
+        if ($form->date_closed($form->{"datepaid_$i"})  && !$form->date_closed($form->{"gldate_$i"}, \%myconfig));
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1455,10 +773,11 @@ sub post {
     }
   }
 
-  ($form->{AR})      = split /--/, $form->{AR};
-  ($form->{AR_paid}) = split /--/, $form->{AR_paid};
+  ($form->{AR})        = split /--/, $form->{AR};
+  ($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};
 
@@ -1472,50 +791,116 @@ 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->{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";
+    $form->save_history;
+  }
+
+  if (!$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!'));
   }
-  
-  $form->redirect( $form->{label} . " $form->{invnumber} " . $locale->text('posted!'))
-    unless $print_post;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub print_and_post {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
 
-  $old_form               = new Form;
-  $print_post             = 1;
-  $form->{print_and_post} = 1;
+  $main::auth->assert('invoice_edit');
+
+  my $old_form                    = Form->new;
+  $form->{no_redirect_after_post} = 1;
+  $form->{print_and_post}         = 1;
   &post();
 
   &edit();
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 
 }
 
-sub use_as_template {
-  $lxdebug->enter_sub();
+sub use_as_new {
+  $main::lxdebug->enter_sub();
 
-  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;
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('invoice_edit');
+
+  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;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub storno {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('invoice_edit');
 
   if ($form->{storno}) {
     $form->error($locale->text('Cannot storno storno invoice!'));
@@ -1524,94 +909,81 @@ 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!'));
+  }
 
-  map({ my $key = $_; delete($form->{$key})
-          unless (grep({ $key eq $_ } qw(path login password id type))); }
-      keys(%{ $form }));
+  # save the history of invoice being stornoed
+  $form->{snumbers}  = qq|invnumber_| . $form->{invnumber};
+  $form->{what_done} = 'invoice';
+  $form->{addition}  = "STORNO";
+  $form->save_history;
 
-  &invoice_links;
-  &prepare_invoice;
+  map({ my $key = $_; delete($form->{$key}) unless (grep({ $key eq $_ } qw(id login password type))); } keys(%{ $form }));
+
+  invoice_links();
+  prepare_invoice();
   relink_accounts();
 
+  # Payments must not be recorded for the new storno invoice.
+  $form->{paidaccounts} = 0;
+  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};
-
-  &post();
-  $lxdebug->leave_sub();
-
+  $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();
 }
 
 sub preview {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+
+  $main::auth->assert('invoice_edit');
 
   $form->{preview} = 1;
-  $old_form = new Form;
+  my $old_form = Form->new;
   for (keys %$form) { $old_form->{$_} = $form->{$_} }
-  $old_form->{rowcount}++;
 
   &print_form($old_form);
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 
 }
 
-sub delete {
-  $lxdebug->enter_sub();
-  if ($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 $key (keys %$form) {
-    $form->{$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>
-|;
+sub credit_note {
+  $main::lxdebug->enter_sub();
 
-  $lxdebug->leave_sub();
-}
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
 
-sub credit_note {
-  $lxdebug->enter_sub();
+  $main::auth->assert('invoice_edit');
 
   $form->{transdate} = $form->{invdate} = $form->current_date(\%myconfig);
   $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';
-  $script         = "is";
-  $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);
@@ -1619,62 +991,118 @@ sub credit_note {
   $form->{type} = "credit_note";
 
 
-  map { $form->{"select$_"} = "" } ($form->{vc}, currency);
+  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);
 
-  $currency = $form->{currency};
+  # 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->{exchangerate} = "";
-  $form->{forex}        = "";
-  $form->{exchangerate} = $exchangerate
-    if (
-        $form->{forex} = (
-                    $exchangerate =
-                      $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;
 
 
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
+}
+
+sub display_form {
+  $::lxdebug->enter_sub;
+
+  $::auth->assert('invoice_edit');
+
+  relink_accounts();
+
+  my $new_rowcount = $::form->{"rowcount"} * 1 + 1;
+  $::form->{"project_id_${new_rowcount}"} = $::form->{"globalproject_id"};
+
+  $::form->language_payment(\%::myconfig);
+
+  Common::webdav_folder($::form);
+
+  form_header();
+  display_row(++$::form->{rowcount});
+  form_footer();
+
+  $::lxdebug->leave_sub;
 }
 
-sub yes {
-  $lxdebug->enter_sub();
-  if (IS->delete_invoice(\%myconfig, \%$form, $spool)) {
+sub delete {
+  $::auth->assert('invoice_edit');
+
+  if (IS->delete_invoice(\%::myconfig, $::form)) {
     # saving the history
-  	if(!exists $form->{addition}) {
-  	  $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!')); 
+    # /saving the history
+    $::form->redirect($::locale->text('Invoice deleted!'));
   }
-  $form->error($locale->text('Cannot delete invoice!'));
-
-  $lxdebug->leave_sub();
+  $::form->error($::locale->text('Cannot delete invoice!'));
 }
 
+sub post_and_e_mail {
+  e_mail();
+};
+
 sub e_mail {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
 
-  $form->{postasnew} = 1;
-  $print_post        = 1;
+  $main::auth->assert('invoice_edit');
 
-  map { delete $form->{$_} } qw(printed emailed queued);
+  if (!$form->{id}) {
+    $form->{no_redirect_after_post} = 1;
 
-  &post;
+    my $saved_form = save_form();
 
-  &edit_e_mail;
+    post();
+
+    restore_form($saved_form, 0, qw(id invnumber));
+  }
+
+  edit_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;
+    }
+  }
 
-  $lxdebug->leave_sub();
+  $::form->error($::locale->text('No action defined.'));
 }