X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=bin%2Fmozilla%2Fir.pl;h=b84516b7d87c4007ce8c1e8c9a6a4e9892903cdd;hb=affd886bff7af48273af3dad20ea0680398489a3;hp=401f56af98418111cc9acaa0afc1296a42e8f6e2;hpb=04a2f2e779fabb1faa836937504d4ce8bf906a06;p=kivitendo-erp.git

diff --git a/bin/mozilla/ir.pl b/bin/mozilla/ir.pl
index 401f56af9..b84516b7d 100644
--- a/bin/mozilla/ir.pl
+++ b/bin/mozilla/ir.pl
@@ -24,37 +24,88 @@
 # 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 received module
 #
 #======================================================================
 
+use SL::FU;
 use SL::IR;
-use SL::PE;
-
-require "$form->{path}/io.pl";
-require "$form->{path}/arap.pl";
+use SL::IS;
+use SL::DB::BankTransactionAccTrans;
+use SL::DB::Default;
+use SL::DB::Department;
+use SL::DB::Project;
+use SL::DB::PurchaseInvoice;
+use SL::DB::Vendor;
+use List::MoreUtils qw(uniq);
+use List::Util qw(max sum);
+use List::UtilsBy qw(sort_by);
+
+require "bin/mozilla/io.pl";
+require "bin/mozilla/common.pl";
+
+use strict;
 
 1;
 
 # end of main
 
+sub _may_view_or_edit_this_invoice {
+  return 1 if  $::auth->assert('ap_transactions', 1); # may edit all invoices
+  return 0 if !$::form->{id};                         # creating new invoices isn't allowed without invoice_edit
+  return 0 if !$::form->{globalproject_id};           # existing records without a project ID are not allowed
+  return SL::DB::Project->new(id => $::form->{globalproject_id})->load->may_employee_view_project_invoices(SL::DB::Manager::Employee->current);
+}
+
+sub _assert_access {
+  my $cache = $::request->cache('ap.pl::_assert_access');
+
+  $cache->{_may_view_or_edit_this_invoice} = _may_view_or_edit_this_invoice()                              if !exists $cache->{_may_view_or_edit_this_invoice};
+  $::form->show_generic_error($::locale->text("You do not have the permissions to access this function.")) if !       $cache->{_may_view_or_edit_this_invoice};
+}
+
 sub add {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
 
-  $form->{title} = $locale->text('Add Vendor Invoice');
+  $main::auth->assert('vendor_invoice_edit');
+
+  if (!$::instance_conf->get_allow_new_purchase_invoice) {
+    $::form->show_generic_error($::locale->text("You do not have the permissions to access this function."));
+  }
+
+  $form->{show_details} = $::myconfig{show_form_details};
+
+  $form->{title} = $locale->text('Record Vendor Invoice');
 
   &invoice_links;
   &prepare_invoice;
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub edit {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  # Delay access check to after the invoice's been loaded in
+  # "create_links" so that project-specific invoice rights can be
+  # evaluated.
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
+
+  $form->{show_details} = $::myconfig{show_form_details};
+
+  # show history button
+  $form->{javascript} = qq|<script type=text/javascript src=js/show_history.js></script>|;
+  #/show hhistory button
 
   $form->{title} = $locale->text('Edit Vendor Invoice');
 
@@ -62,101 +113,60 @@ sub edit {
   &prepare_invoice;
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub invoice_links {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  # create links
-  $form->{webdav} = $webdav;
+  # Delay access check to after the invoice's been loaded so that
+  # project-specific invoice rights can be evaluated.
 
-  # set jscalendar
-  $form->{jscalendar} = $jscalendar;
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
 
+  $form->{vc} = 'vendor';
+
+  # create links
   $form->create_links("AP", \%myconfig, "vendor");
 
-  #quote all_vendor Bug 133
-  foreach $ref (@{ $form->{all_vendor} }) {
-    $ref->{name} = $form->quote($ref->{name});
-  }
+  _assert_access();
 
-  if ($form->{all_vendor}) {
-    unless ($form->{vendor_id}) {
-      $form->{vendor_id} = $form->{all_vendor}->[0]->{id};
-    }
-  }
-  if ($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};
-  }
+  $form->backup_vars(qw(payment_id language_id taxzone_id
+                        currency delivery_term_id intnotes cp_id));
 
-  $cp_id = $form->{cp_id};
   IR->get_vendor(\%myconfig, \%$form);
   IR->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;
-  }
 
-  # currencies
-  @curr = split(/:/, $form->{currencies});
-  chomp $curr[0];
-  $form->{defaultcurrency} = $curr[0];
+  $form->restore_vars(qw(payment_id language_id taxzone_id
+                         currency delivery_term_id intnotes cp_id));
 
+  my @curr = $form->get_all_currencies();
   map { $form->{selectcurrency} .= "<option>$_\n" } @curr;
 
-  $form->{oldvendor} = "$form->{vendor}--$form->{vendor_id}";
-
-  # vendors
-  if (@{ $form->{all_vendor} }) {
-    $form->{vendor} = "$form->{vendor}--$form->{vendor_id}";
-    map { $form->{selectvendor} .= "<option>$_->{name}--$_->{id}\n" }
-      (@{ $form->{all_vendor} });
-  }
-
-  # departments
-  if ($form->{all_departments}) {
-    $form->{selectdepartment} = "<option>\n";
-    $form->{department}       = "$form->{department}--$form->{department_id}";
-
-    map {
-      $form->{selectdepartment} .=
-        "<option>$_->{description}--$_->{id}\n"
-    } (@{ $form->{all_departments} });
-  }
-
   # forex
   $form->{forex} = $form->{exchangerate};
-  $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
+  my $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
 
-  foreach $key (keys %{ $form->{AP_links} }) {
+  foreach my $key (keys %{ $form->{AP_links} }) {
 
-    foreach $ref (@{ $form->{AP_links}{$key} }) {
-      $form->{"select$key"} .= "<option>$ref->{accno}--$ref->{description}\n";
+    foreach my $ref (@{ $form->{AP_links}{$key} }) {
+      $form->{"select$key"} .= "<option>$ref->{accno}--$ref->{description}</option>";
     }
 
+    next unless $form->{acc_trans}{$key};
+
     if ($key eq "AP_paid") {
-      for $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
+      for my $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
         $form->{"AP_paid_$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};
         $form->{"datepaid_$i"} =
           $form->{acc_trans}{$key}->[$i - 1]->{transdate};
+        $form->{"gldate_$i"}   = $form->{acc_trans}{$key}->[$i - 1]->{gldate};
         $form->{"forex_$i"} = $form->{"exchangerate_$i"} =
           $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
         $form->{"source_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{source};
@@ -179,24 +189,37 @@ sub invoice_links {
     ($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();
+
+  _assert_access();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $form->{type}     = "purchase_invoice";
 
   if ($form->{id}) {
 
     map { $form->{$_} =~ s/\"/&quot;/g } qw(invnumber ordnumber quonumber);
 
     my $i = 0;
-    foreach $ref (@{ $form->{invoice_details} }) {
+    foreach my $ref (@{ $form->{invoice_details} }) {
       $i++;
       map { $form->{"${_}_$i"} = $ref->{$_} } keys %{$ref};
-
-      ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
+      # übernommen aus is.pl Fix für Bug 1642. Nebenwirkungen? jb 12.5.2011
+      # getestet: Lieferantenauftrag -> Rechnung i.O.
+      #           Lieferantenauftrag -> Lieferschein -> Rechnung i.O.
+      # Werte: 20% (Lieferantenrabatt), 12,4% individuell und 0,4 individuell s.a.
+      # Screenshot zu Bug 1642
+      $form->{"discount_$i"}   = $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100);
+
+      my ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
       $dec           = length $dec;
-      $decimalplaces = ($dec > 2) ? $dec : 2;
+      my $decimalplaces = ($dec > 2) ? $dec : 2;
 
       $form->{"sellprice_$i"} =
         $form->format_amount(\%myconfig, $form->{"sellprice_$i"},
@@ -212,617 +235,387 @@ sub prepare_invoice {
     }
   }
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
-sub form_header {
-  $lxdebug->enter_sub();
+sub setup_ir_action_bar {
+  my $form                    = $::form;
+  my $change_never            = $::instance_conf->get_ir_changeable == 0;
+  my $change_on_same_day_only = $::instance_conf->get_ir_changeable == 2 && ($form->current_date(\%::myconfig) ne $form->{gldate});
+  my $has_storno              = ($::form->{storno} && !$::form->{storno_id});
+  my $payments_balanced       = ($::form->{oldtotalpaid} == 0);
+  my $may_edit_create         = $::auth->assert('vendor_invoice_edit', 1);
 
-  # set option selected
-  foreach $item (qw(AP vendor currency department contact)) {
-    $form->{"select$item"} =~ s/ selected//;
-    $form->{"select$item"} =~
-      s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
+  my $has_sepa_exports;
+  if ($form->{id}) {
+    my $invoice = SL::DB::Manager::PurchaseInvoice->find_by(id => $form->{id});
+    $has_sepa_exports = 1 if ($invoice->find_sepa_export_items()->[0]);
   }
 
-  $form->{radier} =
-    ($form->current_date(\%myconfig) eq $form->{gldate}) ? 1 : 0;
+  my $is_linked_bank_transaction;
+  if ($::form->{id}
+      && SL::DB::Default->get->payments_changeable != 0
+      && SL::DB::Manager::BankTransactionAccTrans->find_by(ap_id => $::form->{id})) {
 
-  #quote selectvendor Bug 133
-  $form->{"selectvendor"} = $form->quote($form->{"selectvendor"});
+    $is_linked_bank_transaction = 1;
+  }
+  for my $bar ($::request->layout->get('actionbar')) {
+    $bar->add(
+      action => [
+        t8('Update'),
+        submit    => [ '#form', { action => "update" } ],
+        id        => 'update_button',
+        accesskey => 'enter',
+        disabled  => !$may_edit_create ? t8('You must not change this invoice.') : undef,
+      ],
+
+      combobox => [
+        action => [
+          t8('Post'),
+          submit   => [ '#form', { action => "post" } ],
+          checks   => [ 'kivi.validate_form' ],
+          checks   => [ 'kivi.validate_form', 'kivi.AP.check_fields_before_posting', 'kivi.AP.check_duplicate_invnumber' ],
+          disabled => !$may_edit_create                         ? t8('You must not change this invoice.')
+                    : $form->{locked}                           ? t8('The billing period has already been locked.')
+                    : $form->{storno}                           ? t8('A canceled invoice cannot be posted.')
+                    : ($form->{id} && $change_never)            ? t8('Changing invoices has been disabled in the configuration.')
+                    : ($form->{id} && $change_on_same_day_only) ? t8('Invoices can only be changed on the day they are posted.')
+                    : $is_linked_bank_transaction               ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
+                    :                                             undef,
+        ],
+        action => [
+          t8('Post Payment'),
+          submit   => [ '#form', { action => "post_payment" } ],
+          checks   => [ 'kivi.validate_form' ],
+          disabled => !$may_edit_create           ? t8('You must not change this invoice.')
+                    : !$form->{id}                ? t8('This invoice has not been posted yet.')
+                    : $is_linked_bank_transaction ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
+                    :                               undef,
+        ],
+        action => [
+          t8('Mark as paid'),
+          submit   => [ '#form', { action => "mark_as_paid" } ],
+          checks   => [ 'kivi.validate_form' ],
+          confirm  => t8('This will remove the invoice from showing as unpaid even if the unpaid amount does not match the amount. Proceed?'),
+          disabled => !$may_edit_create ? t8('You must not change this invoice.')
+                    : !$form->{id}      ? t8('This invoice has not been posted yet.')
+                    :                     undef,
+          only_if  => $::instance_conf->get_ir_show_mark_as_paid,
+        ],
+      ], # end of combobox "Post"
+
+      combobox => [
+        action => [ t8('Storno'),
+          submit   => [ '#form', { action => "storno" } ],
+          checks   => [ 'kivi.validate_form' ],
+          confirm  => t8('Do you really want to cancel this invoice?'),
+          disabled => !$may_edit_create   ? t8('You must not change this invoice.')
+                    : !$form->{id}        ? t8('This invoice has not been posted yet.')
+                    : $has_sepa_exports   ? t8('This invoice has been linked with a sepa export, undo this first.')
+                    : !$payments_balanced ? t8('Cancelling is disallowed. Either undo or balance the current payments until the open amount matches the invoice amount')
+                    : undef,
+        ],
+        action => [ t8('Delete'),
+          submit   => [ '#form', { action => "delete" } ],
+          checks   => [ 'kivi.validate_form' ],
+          confirm  => t8('Do you really want to delete this object?'),
+          disabled => !$may_edit_create           ? t8('You must not change this invoice.')
+                    : !$form->{id}                ? t8('This invoice has not been posted yet.')
+                    : $form->{locked}             ? t8('The billing period has already been locked.')
+                    : $change_never               ? t8('Changing invoices has been disabled in the configuration.')
+                    : $change_on_same_day_only    ? t8('Invoices can only be changed on the day they are posted.')
+                    : $has_sepa_exports           ? t8('This invoice has been linked with a sepa export, undo this first.')
+                    : $has_storno                 ? t8('Can only delete the "Storno zu" part of the cancellation pair.')
+                    : $is_linked_bank_transaction ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
+                    :                            undef,
+        ],
+      ], # end of combobox "Storno"
+
+      'separator',
+
+      combobox => [
+        action => [ t8('Workflow') ],
+        action => [
+          t8('Use As New'),
+          submit   => [ '#form', { action => "use_as_new" } ],
+          checks   => [ 'kivi.validate_form' ],
+          disabled => !$may_edit_create ? t8('You must not change this invoice.')
+                    : !$form->{id}      ? t8('This invoice has not been posted yet.')
+                    :                     undef,
+        ],
+       ], # end of combobox "Workflow"
+
+      combobox => [
+        action => [ t8('more') ],
+        action => [
+          t8('History'),
+          call     => [ 'set_history_window', $::form->{id} * 1, 'id', 'glid' ],
+          disabled => !$form->{id} ? t8('This invoice has not been posted yet.') : undef,
+        ],
+        action => [
+          t8('Follow-Up'),
+          call     => [ 'follow_up_window' ],
+          disabled => !$form->{id} ? t8('This invoice has not been posted yet.') : undef,
+        ],
+        action => [
+          t8('Drafts'),
+          call     => [ 'kivi.Draft.popup', 'ir', 'invoice', $::form->{draft_id}, $::form->{draft_description} ],
+          disabled => !$may_edit_create ? t8('You must not change this invoice.')
+                    : $form->{id}       ? t8('This invoice has already been posted.')
+                    : $form->{locked}   ? t8('The billing period has already been locked.')
+                    :                     undef,
+        ],
+      ], # end of combobox "more"
+    );
+  }
+  $::request->layout->add_javascripts('kivi.Validator.js', 'kivi.AP.js');
 
-  $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");
+sub form_header {
+  $main::lxdebug->enter_sub();
+
+  _assert_access();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+  my $cgi      = $::request->{cgi};
+
+  my %TMPL_VAR = ();
+  my @custom_hiddens;
+
+  $TMPL_VAR{invoice_obj} = SL::DB::PurchaseInvoice->load_cached($form->{id}) if $form->{id};
+  $TMPL_VAR{vendor_obj}  = SL::DB::Vendor->load_cached($form->{vendor_id})   if $form->{vendor_id};
+  my $current_employee   = SL::DB::Manager::Employee->current;
+  $form->{employee_id}   = $form->{old_employee_id} if $form->{old_employee_id};
+  $form->{salesman_id}   = $form->{old_salesman_id} if $form->{old_salesman_id};
+  $form->{employee_id} ||= $current_employee->id;
+  $form->{salesman_id} ||= $current_employee->id;
+
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+
+  my @old_project_ids     = uniq grep { $_ } map { $_ * 1 } ($form->{"globalproject_id"}, map { $form->{"project_id_$_"} } 1..$form->{"rowcount"});
+  my @conditions          = @old_project_ids ? (id => \@old_project_ids) : ();
+  $TMPL_VAR{ALL_PROJECTS} = SL::DB::Manager::Project->get_all_sorted(query => [ or => [ active => 1, @conditions ]]);
+  $form->{ALL_PROJECTS}   = $TMPL_VAR{ALL_PROJECTS}; # make projects available for second row drop-down in io.pl
+
+  $form->get_lists("taxzones"      => ($form->{id} ? "ALL_TAXZONES" : "ALL_ACTIVE_TAXZONES"),
+                   "currencies"    => "ALL_CURRENCIES",
+                   "price_factors" => "ALL_PRICE_FACTORS");
+
+  $TMPL_VAR{ALL_DEPARTMENTS}       = SL::DB::Manager::Department->get_all_sorted;
+  $TMPL_VAR{ALL_EMPLOYEES}         = SL::DB::Manager::Employee->get_all_sorted(query => [ or => [ id => $::form->{employee_id},  deleted => 0 ] ]);
+  $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};
+  # show_exchangerate is also later needed in another template
+  $form->{show_exchangerate} = $form->{currency} ne $form->{defaultcurrency};
+  $TMPL_VAR{currencies}        = NTI($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(AP)) {
+    $form->{"select$item"} =~ s/ selected//;
+    $form->{"select$item"} =~ s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
+  }
 
-  #build contacts
-  if ($form->{all_contacts}) {
+  $TMPL_VAR{is_format_html}      = $form->{format} eq 'html';
+  $TMPL_VAR{dateformat}          = $myconfig{dateformat};
+  $TMPL_VAR{numberformat}        = $myconfig{numberformat};
 
-    $form->{selectcontact} = "";
-    foreach $item (@{ $form->{all_contacts} }) {
-      if ($form->{cp_id} == $item->{cp_id}) {
-        $form->{selectcontact} .=
-          "<option selected>$item->{cp_name}--$item->{cp_id}";
-      } else {
-        $form->{selectcontact} .= "<option>$item->{cp_name}--$item->{cp_id}";
-      }
-    }
-  }
+  # hiddens
+  $TMPL_VAR{HIDDENS} = [qw(
+    id type queued printed emailed title vc discount
+    title creditlimit creditremaining tradediscount business closedto locked shipped storno storno_id
+    max_dunning_level dunning_amount
+    shiptoname shiptostreet shiptozipcode shiptocity shiptocountry shiptogln shiptocontact shiptophone shiptofax
+    shiptoemail shiptodepartment_1 shiptodepartment_2 message email subject cc bcc taxaccounts cursor_fokus
+    convert_from_do_ids convert_from_oe_ids convert_from_ap_ids show_details gldate useasnew
+  ), @custom_hiddens,
+  map { $_.'_rate', $_.'_description', $_.'_taxnumber', $_.'_tax_id' } split / /, $form->{taxaccounts}];
 
-  $exchangerate = "";
-  if ($form->{currency} ne $form->{defaultcurrency}) {
-    if ($form->{forex}) {
-      $exchangerate .= qq|
-                <th align=right nowrap>|
-        . $locale->text('Exchangerate') . qq|</th>
-                <td>$form->{exchangerate}<input type=hidden name=exchangerate value=$form->{exchangerate}></td>
-|;
-    } else {
-      $exchangerate .= qq|
-                <th align=right nowrap>|
-        . $locale->text('Exchangerate') . qq|</th>
-                <td><input name=exchangerate size=10 value=$form->{exchangerate}></td>
-|;
-    }
-  }
-  $exchangerate .= qq|
-<input type=hidden name=forex value=$form->{forex}>
-|;
+  $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};
 
+  $::request->{layout}->use_javascript(map { "${_}.js" } qw(kivi.Draft kivi.File kivi.SalesPurchase kivi.Part kivi.CustomerVendor kivi.Validator ckeditor/ckeditor ckeditor/adapters/jquery kivi.io autocomplete_project client_js));
 
-  if (@{ $form->{TAXZONE} }) {
-    $form->{selecttaxzone} = "";
-    foreach $item (@{ $form->{TAXZONE} }) {
-      if ($item->{id} == $form->{taxzone_id}) {
-        $form->{selecttaxzone} .=
-          "<option value=$item->{id} selected>$item->{description}</option>";
-      } else {
-        $form->{selecttaxzone} .=
-          "<option value=$item->{id}>$item->{description}</option>";
-      }
+  setup_ir_action_bar();
 
-    }
-  } else {
-    $form->{selecttaxzone} =~ s/ selected//g;
-    if ($form->{taxzone_id} ne "") {
-      $form->{selecttaxzone} =~ s/value=$form->{taxzone_id}/value=$form->{taxzone_id} selected/;
-    }
-  }
-  if ($form->{rowcount} >1) {
-    $form->{selecttaxzone} =~ /<option value=\d+ selected>.*?<\/option>/;
-    $form->{selecttaxzone} = $&;
-  }
-  
-
-  $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>|;
-
-
-
-  $vendor =
-    ($form->{selectvendor})
-    ? qq|<select name=vendor>$form->{selectvendor}</select>\n<input type=hidden name="selectvendor" value="$form->{selectvendor}">|
-    : qq|<input name=vendor value="$form->{vendor}" size=35>|;
-
-  $contact =
-    ($form->{selectcontact})
-    ? qq|<select name=contact>$form->{selectcontact}</select>\n<input type=hidden name="selectcontact" value="$form->{selectcontact}">|
-    : qq|<input name=contact value="$form->{contact}" 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";
-
-  # use JavaScript Calendar or not
-  $form->{jsscript} = $form->{jscalendar};
-  $jsscript = "";
-  if ($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>
-     |;
-
-    #write Trigger
-    $jsscript =
-      Form->write_trigger(\%myconfig, "2", "invdate", "BL", "trigger1",
-                          "duedate", "BL", "trigger2");
-  } else {
+  $form->header();
 
-    # 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>|;
-  }
+  print $form->parse_html_template("ir/form_header", \%TMPL_VAR);
 
-  $form->header;
+  $main::lxdebug->leave_sub();
+}
 
-  print qq|
-<body>
+sub _sort_payments {
+  my @fields   = qw(acc_trans_id gldate datepaid source memo paid AP_paid);
+  my @payments =
+    grep { $_->{paid} != 0 }
+    map  {
+      my $idx = $_;
+      +{ map { ($_ => delete($::form->{"${_}_${idx}"})) } @fields }
+    } (1..$::form->{paidaccounts});
 
-<form method=post action=$form->{script}>
+  @payments = sort_by { DateTime->from_kivitendo($_->{datepaid}) } @payments;
 
-<input type=hidden name=id value=$form->{id}>
-<input type=hidden name=title value="$form->{title}">
-<input type=hidden name=vc value="vendor">
-<input type=hidden name=type value=$form->{type}>
-<input type=hidden name=level value=$form->{level}>
-
-<input type=hidden name=creditlimit value=$form->{creditlimit}>
-<input type=hidden name=creditremaining value=$form->{creditremaining}>
-
-<input type=hidden name=closedto value=$form->{closedto}>
-<input type=hidden name=locked value=$form->{locked}>
-
-<input type=hidden name=shipped value=$form->{shipped}>
-<input type=hidden name=storno value=$form->{storno}>
-<input type=hidden name=storno_id value=$form->{storno_id}>
-
-<table width=100%>
-  <tr class=listtop>
-    <th class=listtop>$form->{title}</th>
-  </tr>
-  <tr height="5"></tr>
-  <tr>
-    <td>
-      <table width=100%>
-        <tr valign=top>
-	  <td>
-	    <table>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Vendor') . qq|</th>
-		<td colspan=3>$vendor</td>
-
-                <th align=richt nowrap>|
-    . $locale->text('Contact Person') . qq|</th>
-                <td colspan=3>$contact</td>
-
-                <input type=hidden name=vendor_id value=$form->{vendor_id}>
-		<input type=hidden name=oldvendor value="$form->{oldvendor}">
-
-	      </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>
-	      <tr>
-		<th align=right>| . $locale->text('Record in') . qq|</th>
-		<td colspan=3><select name=AP>$form->{selectAP}</select></td>
-		<input type=hidden name=selectAP value="$form->{selectAP}">
-	      </tr>
-              $taxzone
-              $department
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Currency') . qq|</th>
-		<td><select name=currency>$form->{selectcurrency}</select></td>
-		$exchangerate
-	      </tr>
-	    </table>
-	  </td>
-	  <td align=right>
-	    <table>
-	      <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 nowrap>| . $locale->text('Invoice Date') . qq|</th>
-                $button1
-	      </tr>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Due Date') . qq|</th>
-                $button2
-	      </tr>
-	      <tr>
-		<th align=right nowrap>| . $locale->text('Order Number') . qq|</th>
-		<td><input name=ordnumber size=11 value="$form->{ordnumber}"></td>
-<input type=hidden name=quonumber value="$form->{quonumber}">
-	      </tr>
-	    </table>
-	  </td>
-	</tr>
-      </table>
-    </td>
-  </tr>
-
-$jsscript
-
-<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}>
-<input type=hidden name=webdav value=$webdav>
-
-<input type=hidden name=taxpart value="$form->{taxpart}">
-<input type=hidden name=taxservice value="$form->{taxservice}">
-
-<input type=hidden name=taxaccounts value="$form->{taxaccounts}">
-|;
+  $::form->{paidaccounts} = max scalar(@payments), 1;
 
-  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"}">
-|;
+  foreach my $idx (1 .. scalar(@payments)) {
+    my $payment = $payments[$idx - 1];
+    $::form->{"${_}_${idx}"} = $payment->{$_} for @fields;
   }
-
-  $lxdebug->leave_sub();
 }
 
 sub form_footer {
-  $lxdebug->enter_sub();
-
-  $form->{invtotal} = $form->{invsubtotal};
-
-  if (($rows = $form->numtextrows($form->{notes}, 25, 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=25 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>
-|;
-  }
+  $main::lxdebug->enter_sub();
 
-  if (!$form->{taxincluded}) {
-
-    foreach $item (split / /, $form->{taxaccounts}) {
-      if ($form->{"${item}_base"}) {
-        $form->{invtotal} += $form->{"${item}_total"} =
-          $form->round_amount(
-                             $form->{"${item}_base"} * $form->{"${item}_rate"},
-                             2);
-        $form->{"${item}_total"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_total"}, 2);
-
-        $tax .= qq|
-		<tr>
-		  <th align=right>$form->{"${item}_description"}</th>
-		  <td align=right>$form->{"${item}_total"}</td>
-		</tr>
-|;
-      }
-    }
+  _assert_access();
 
-    $form->{invsubtotal} =
-      $form->format_amount(\%myconfig, $form->{invsubtotal}, 2, 0);
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
 
-    $subtotal = qq|
-	      <tr>
-		<th align=right>| . $locale->text('Subtotal') . qq|</th>
-		<td align=right>$form->{invsubtotal}</td>
-	      </tr>
-|;
+  $form->{invtotal}    = $form->{invsubtotal};
+  $form->{oldinvtotal} = $form->{invtotal};
 
-  }
+  # tax, total and subtotal calculations
+  my ($tax, $subtotal);
+  $form->{taxaccounts_array} = [ split / /, $form->{taxaccounts} ];
 
-  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}_base"} =
-          $form->round_amount($form->{"${item}_base"}, 2);
-        $form->{"${item}_netto"} =
-          $form->round_amount(
-                          ($form->{"${item}_base"} - $form->{"${item}_total"}),
-                          2);
-        $form->{"${item}_netto"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_netto"}, 2);
-        $form->{"${item}_total"} =
-          $form->format_amount(\%myconfig, $form->{"${item}_total"}, 2);
-
-        $tax .= qq|
-	      <tr>
-		<th align=right>Enthaltene $form->{"${item}_description"}</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, $form->{invtotal}, 2, 0);
-
-  print qq|
-  <tr>
-    <td colspan=$colspan>
-      <table cellspacing="0">
-	<tr valign=bottom>
-	  <td>
-	    <table>
-	      <tr>
-		<th align=left>| . $locale->text('Notes') . qq|</th>
-		<th align=left>| . $locale->text('Internal Notes') . qq|</th>
-	      </tr>
-	      <tr valign=top>
-		<td>$notes</td>
-		<td>$intnotes</td>
-	      </tr>
-	    </table>
-	  </td>
-	  <td colspan=2 align=right width=100%>
-	    $taxincluded
-	    <br>
-	    <table width=100%>
-	      $subtotal
-	      $tax
-	      <tr>0
-		<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 $webdav_list;
-  }
-  print qq|
-<input type=hidden name=jscalendar value=$form->{jscalendar}>
-|;
-  print qq|
-  <tr>
-    <td colspan=$colspan>
-      <table width=100%>
-        <tr>
-	  <th colspan=6 class=listheading>| . $locale->text('Payments') . qq|</th>
-	</tr>
-|;
-
-  if ($form->{currency} eq $form->{defaultcurrency}) {
-    @column_index = qw(datepaid source memo paid AP_paid);
-  } else {
-    @column_index = qw(datepaid source memo paid exchangerate AP_paid);
+  # follow ups
+  if ($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{AP_paid}      = "<th>" . $locale->text('Account') . "</th>";
-  $column_data{source}       = "<th>" . $locale->text('Source') . "</th>";
-  $column_data{memo}         = "<th>" . $locale->text('Memo') . "</th>";
-
-  print qq|
-	<tr>
-|;
-  map { print "$column_data{$_}\n" } @column_index;
-  print qq|
-	</tr>
-|;
+  # payments
+  _sort_payments();
 
+  my $totalpaid = 0;
   $form->{paidaccounts}++ if ($form->{"paid_$form->{paidaccounts}"});
-  for $i (1 .. $form->{paidaccounts}) {
-
-    print qq|
-	<tr>
-|;
-
-    $form->{"selectAP_paid_$i"} = $form->{selectAP_paid};
-    $form->{"selectAP_paid_$i"} =~
-      s/option>\Q$form->{"AP_paid_$i"}\E/option selected>$form->{"AP_paid_$i"}/;
-
-    # format amounts
-    $form->{"paid_$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"}>|;
-      }
+  $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"}));
     }
-    $exchangerate .= qq|
-<input type=hidden name="forex_$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>|;
-    $column_data{"AP_paid_$i"}      =
-      qq|<td align=center><select name="AP_paid_$i">$form->{"selectAP_paid_$i"}</select></td>|;
-    $column_data{"datepaid_$i"} =
-      qq|<td align=center><input name="datepaid_$i" size=11 title="$myconfig{dateformat}" value=$form->{"datepaid_$i"}></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 qq|
-	</tr>
-|;
-  }
+    $form->error($locale->text('Cannot post transaction above the maximum future booking date!'))
+      if ($form->date_max_future($form->{"datepaid_$i"}, \%myconfig));
 
-  print qq|
-	    <input type=hidden name=oldinvtotal value=$form->{oldinvtotal}>
-	    <input type=hidden name=paidaccounts value=$form->{paidaccounts}>
-      	    <input type=hidden name=selectAP_paid value="$form->{selectAP_paid}">
-      </table>
-    </td>
-  </tr>
-  <tr>
-    <td><hr size=3 noshade></td>
-  </tr>
-</table>
-<br>
-|;
-
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
+    #deaktivieren von Zahlungen ausserhalb der Bücherkontrolle
+    if ($form->date_closed($form->{"gldate_$i"})) {
+      $form->{"changeable_$i"} = 0;
+    }
 
-  if ($form->{id}) {
-    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="|
-      . $locale->text('Storno') . qq|">
-| unless ($form->{storno});
-    if ($form->{radier}) {
-    print qq|
-    <input class=submit type=submit name=action value="|
-      . $locale->text('Delete') . qq|">
-|;
-  }
-  } else {
-    if ($invdate > $closedto) {
-      print qq|<input class=submit type=submit name=action value="|
-        . $locale->text('Update') . qq|">
-      <input class=submit type=submit name=action value="|
-        . $locale->text('Post') . qq|">|;
+    $form->{"selectAP_paid_$i"} = $form->{selectAP_paid};
+    if (!$form->{"AP_paid_$i"}) {
+      $form->{"selectAP_paid_$i"} =~ s/option>$accno_arap--(.*?)>/option selected>$accno_arap--$1>/;
+    } else {
+      $form->{"selectAP_paid_$i"} =~ s/option>\Q$form->{"AP_paid_$i"}\E/option selected>$form->{"AP_paid_$i"}/;
     }
-  }
 
-  if ($form->{menubar}) {
-    require "$form->{path}/menu.pl";
-    &menubar;
+    $totalpaid += $form->{"paid_$i"};
   }
 
-  print qq|
-
-<input type=hidden name=rowcount value=$form->{rowcount}>
-
-<input name=callback type=hidden value="$form->{callback}">
+  $form->{ALL_DELIVERY_TERMS} = SL::DB::Manager::DeliveryTerm->get_all_sorted();
+
+  print $form->parse_html_template('ir/form_footer', {
+    totalpaid           => $totalpaid,
+    paid_missing        => $form->{invtotal} - $totalpaid,
+    show_storno         => $form->{id} && !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ap") && !$totalpaid,
+    show_delete         => ($::instance_conf->get_ir_changeable == 2)
+                             ? ($form->current_date(\%myconfig) eq $form->{gldate})
+                             : ($::instance_conf->get_ir_changeable == 1),
+    today               => DateTime->today,
+  });
+##print $form->parse_html_template('ir/_payments'); # parser
+##print $form->parse_html_template('webdav/_list'); # parser
+
+  $main::lxdebug->leave_sub();
+}
 
-<input type=hidden name=path value=$form->{path}>
-<input type=hidden name=login value=$form->{login}>
-<input type=hidden name=password value=$form->{password}>
+sub mark_as_paid {
+  $::auth->assert('vendor_invoice_edit');
 
-</form>
+  SL::DB::PurchaseInvoice->new(id => $::form->{id})->load->mark_as_paid;
 
-</body>
-</html>
-|;
+  $::form->redirect($::locale->text("Marked as paid"));
+}
 
-  $lxdebug->leave_sub();
+sub show_draft {
+  update();
 }
 
 sub update {
-  $lxdebug->enter_sub();
-
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
-    qw(exchangerate creditlimit creditremaining);
+  $main::lxdebug->enter_sub();
 
-  &check_name(vendor);
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
 
-  &check_project;
+  $main::auth->assert('vendor_invoice_edit');
 
-  $form->{exchangerate} = $exchangerate
-    if (
-        $form->{forex} = (
-                      $exchangerate =
-                        $form->check_exchangerate(
-                        \%myconfig, $form->{currency}, $form->{invdate}, 'sell'
-                        )));
+  if (($form->{previous_vendor_id} || $form->{vendor_id}) != $form->{vendor_id}) {
+    IR->get_vendor(\%myconfig, $form);
+  }
 
-  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"}, 'sell'
-                  )));
-    }
+  if (!$form->{forex}) {        # read exchangerate from input field (not hidden)
+    $form->{exchangerate} = $form->parse_amount(\%myconfig, $form->{exchangerate});
+  }
+  $form->{forex}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{invdate}, 'sell');
+  $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);
+    $form->{"forex_$i"}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'sell');
+    $form->{"exchangerate_$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) || 1;
 
   if (   ($form->{"partnumber_$i"} eq "")
       && ($form->{"description_$i"} eq "")
@@ -836,48 +629,60 @@ sub update {
 
     my $rows = scalar @{ $form->{item_list} };
 
+    $form->{"discount_$i"}   = $form->parse_amount(\%myconfig, $form->{"discount_$i"}) / 100.0;
+    $form->{"discount_$i"} ||= $form->{vendor_discount};
+
     if ($rows) {
-      $form->{"qty_$i"} = 1 unless ($form->{"qty_$i"});
+      $form->{"qty_$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 => 'IR', pre_entered_qty => $form->{"qty_$i"});
+        $::dispatcher->end_request;
 
       } else {
 
         # override sellprice if there is one entered
-        $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 { $form->{item_list}[$i]{$_} =~ s/\"/&quot;/g } qw(partnumber description unit);
+        map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} } keys %{ $form->{item_list}[0] };
 
-        map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} }
-          keys %{ $form->{item_list}[0] };
+        $form->{"marge_price_factor_$i"} = $form->{item_list}->[0]->{price_factor};
 
-        $s = ($sellprice) ? $sellprice : $form->{"sellprice_$i"};
-
-        ($dec) = ($s =~ /\.(\d+)/);
-        $dec           = length $dec;
-        $decimalplaces = ($dec > 2) ? $dec : 2;
+        ($sellprice || $form->{"sellprice_$i"}) =~ /\.(\d+)/;
+        my $dec_qty       = length $1;
+        my $decimalplaces = max 2, $dec_qty;
 
         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"} /= $exchangerate;
         }
 
-        $amount =
-          $form->{"sellprice_$i"} * $form->{"qty_$i"} *
-          (1 - $form->{"discount_$i"} / 100);
+        my $amount                = $form->{"sellprice_$i"} * $form->{"qty_$i"} * (1 - $form->{"discount_$i"});
         $form->{creditremaining} -= $amount;
-        $form->{"sellprice_$i"} =
-          $form->format_amount(\%myconfig, $form->{"sellprice_$i"},
-                               $decimalplaces);
-        $form->{"qty_$i"} =
-          $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);
+        $form->{"sellprice_$i"}   = $form->format_amount(\%myconfig, $form->{"sellprice_$i"}, $decimalplaces);
+        $form->{"qty_$i"}         = $form->format_amount(\%myconfig, $form->{"qty_$i"},       $dec_qty);
+        $form->{"discount_$i"}    = $form->format_amount(\%myconfig, $form->{"discount_$i"} * 100.0);
       }
 
       &display_form;
@@ -892,99 +697,217 @@ 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 storno {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
 
   if ($form->{storno}) {
     $form->error($locale->text('Cannot storno storno invoice!'));
   }
 
+  if (IS->has_storno(\%myconfig, $form, "ap")) {
+    $form->error($locale->text("Invoice has already been storno'd!"));
+  }
+
+  $form->error($locale->text('Cannot post storno for a closed period!'))
+    if ( $form->date_closed($form->{invdate}, \%myconfig));
+
+  my $employee_id = $form->{employee_id};
+  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 };
+  # 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"};
+
+  # saving the history
+  if(!exists $form->{addition} && $form->{id} ne "") {
+    $form->{snumbers}  = qq|invnumber_| . $form->{invnumber};
+    $form->{what_done} = "invoice";
+    $form->{addition}  = "CANCELED";
+    $form->save_history;
+  }
+  # /saving the history
+
+  # record link invoice to storno
+  $form->{convert_from_ap_ids} = $form->{id};
   $form->{storno_id} = $form->{id};
   $form->{storno} = 1;
   $form->{id} = "";
   $form->{invnumber} = "Storno zu " . $form->{invnumber};
+  $form->{rowcount}++;
+  $form->{employee_id} = $employee_id;
+  post();
+  $main::lxdebug->leave_sub();
+
+}
+
+sub use_as_new {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('vendor_invoice_edit');
+
+  map { delete $form->{$_} } qw(printed emailed queued invnumber invdate deliverydate id datepaid_1 gldate_1 acc_trans_id_1 source_1 memo_1 paid_1 exchangerate_1 AP_paid_1 storno);
+  $form->{paidaccounts} = 1;
   $form->{rowcount}--;
+  $form->{invdate} = $form->current_date(\%myconfig);
+
+  $form->{"converted_from_invoice_id_$_"} = delete $form->{"invoice_id_$_"} for 1 .. $form->{"rowcount"};
 
-  &post();
-  $lxdebug->leave_sub();
+  $form->{useasnew} = 1;
+  &display_form;
 
+  $main::lxdebug->leave_sub();
 }
 
 sub post_payment {
-  $lxdebug->enter_sub();
-  for $i (1 .. $form->{paidaccounts}) {
-    if ($form->parse_amount(\%myconfig, $form->{"paid_$i"})) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
+
+  $form->mtime_ischanged('ap') ;
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+  for my $i (1 .. $form->{paidaccounts}) {
+    if ($form->{"paid_$i"}) {
+      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"} = $form->{exchangerate}
-          if ($invdate == $datepaid);
-        $form->isblank("exchangerate_$i",
-                       $locale->text('Exchangerate for payment missing!'));
+#        $form->{"exchangerate_$i"} = $form->{exchangerate} if ($invdate == $datepaid); # invdate isn't set here
+        $form->isblank("exchangerate_$i", $locale->text('Exchangerate for payment missing!'));
       }
     }
   }
 
   ($form->{AP})      = split /--/, $form->{AP};
   ($form->{AP_paid}) = split /--/, $form->{AP_paid};
-  $form->redirect($locale->text(' Payment posted!'))
-      if (IR->post_payment(\%myconfig, \%$form));
-    $form->error($locale->text('Cannot post payment!'));
+  if (IR->post_payment(\%myconfig, \%$form)){
+    if (!exists $form->{addition} && $form->{id} ne "") {
+      # saving the history
+      $form->{snumbers}  = qq|invnumber_| . $form->{invnumber};
+      $form->{addition}  = "PAYMENT POSTED";
+      $form->{what_done} = "invoice";
+      $form->save_history;
+      # /saving the history
+    }
+
+    $form->redirect($locale->text('Payment posted!'));
+  }
+
+  $form->error($locale->text('Cannot post payment!'));
+
+  $main::lxdebug->leave_sub();
+}
+
+sub _max_datepaid {
+  my $form  =  $main::form;
 
+  my @dates = sort { $b->[1] cmp $a->[1] }
+              map  { [ $_, $main::locale->reformat_date(\%main::myconfig, $_, 'yyyy-mm-dd') ] }
+              grep { $_ }
+              map  { $form->{"datepaid_${_}"} }
+              (1..$form->{rowcount});
 
-  $lxdebug->leave_sub();
+  return @dates ? $dates[0]->[0] : undef;
 }
 
+
 sub post {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
 
-  $form->isblank("invdate", $locale->text('Invoice Date missing!'));
-  $form->isblank("vendor",  $locale->text('Vendor missing!'));
+  $form->mtime_ischanged('ap');
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+
+  $form->isblank("invdate",   $locale->text('Invoice Date missing!'));
+  $form->isblank("vendor_id", $locale->text('Vendor missing!'));
+  $form->isblank("invnumber", $locale->text('Invnumber missing!'));
+
+  $form->{invnumber} =~ s/^\s*//g;
+  $form->{invnumber} =~ s/\s*$//g;
 
   # if the vendor changed get new values
-  if (&check_name(vendor)) {
+  if (($form->{previous_vendor_id} || $form->{vendor_id}) != $form->{vendor_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;
   }
 
+  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);
+  my $max_datepaid = _max_datepaid();
 
+  $form->error($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});
 
+  my $i;
   for $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}
@@ -997,39 +920,51 @@ sub post {
 
   ($form->{AP})      = split /--/, $form->{AP};
   ($form->{AP_paid}) = split /--/, $form->{AP_paid};
+  $form->{storno}  ||= 0;
 
   $form->{id} = 0 if $form->{postasnew};
 
-  # get new invnumber in sequence if no invnumber is given or if posasnew was requested
-  if (!$form->{invnumber} || $form->{postasnew}) {
-    $form->{invnumber} = $form->update_defaults(\%myconfig, "invnumber");
-  }
 
   relink_accounts();
-  $form->redirect(  $locale->text('Invoice')
+  if (IR->post_invoice(\%myconfig, \%$form)){
+    # saving the history
+    if(!exists $form->{addition} && $form->{id} ne "") {
+      $form->{snumbers}  = qq|invnumber_| . $form->{invnumber};
+      $form->{addition}  = "POSTED";
+      $form->{what_done} = 'invoice';
+      $form->save_history;
+    }
+    # /saving the history
+    $form->{callback} = 'ir.pl?action=add';
+    $form->redirect(  $locale->text('Invoice')
                   . " $form->{invnumber} "
-                  . $locale->text('posted!'))
-    if (IR->post_invoice(\%myconfig, \%$form));
+                  . ", " . $locale->text('ID')
+                  . ': ' . $form->{id} . ' '
+                  . $locale->text('posted!'));
+  }
   $form->error($locale->text('Cannot post invoice!'));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub delete {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  $form->header;
+  my $form     = $main::form;
+  my $locale   = $main::locale;
 
-  print qq|
-<body>
+  $main::auth->assert('vendor_invoice_edit');
 
+  $form->header;
+  print qq|
 <form method=post action=$form->{script}>
 |;
 
   # delete action variable
   map { delete $form->{$_} } qw(action header);
 
-  foreach $key (keys %$form) {
+  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|;
   }
@@ -1046,15 +981,63 @@ sub delete {
 </form>
 |;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
+}
+
+sub display_form {
+  $::lxdebug->enter_sub;
+
+  _assert_access();
+
+  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();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
 
-  $form->redirect($locale->text('Invoice deleted!'))
-    if (IR->delete_invoice(\%myconfig, \%$form));
+  if (IR->delete_invoice(\%myconfig, \%$form)) {
+    # saving the history
+    if(!exists $form->{addition}) {
+      $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
+      $form->{addition} = "DELETED";
+      $form->save_history;
+    }
+    # /saving the history
+    $form->redirect($locale->text('Invoice deleted!'));
+  }
   $form->error($locale->text('Cannot delete invoice!'));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
+}
+
+sub get_duedate_vendor {
+  $::lxdebug->enter_sub;
+
+  my $result = IR->get_duedate(
+    vendor_id => $::form->{vendor_id},
+    invdate   => $::form->{invdate},
+    default   => $::form->{old_duedate},
+  );
+
+  print $::form->ajax_response_header, $result;
+  $::lxdebug->leave_sub;
 }