Grundstein für Gewicht in Auftrag/Lieferschein/Rechnung
[kivitendo-erp.git] / SL / IS.pm
index f324ee4..ca1d51d 100644 (file)
--- a/SL/IS.pm
+++ b/SL/IS.pm
@@ -40,6 +40,7 @@ use SL::AM;
 use SL::ARAP;
 use SL::CVar;
 use SL::Common;
+use SL::DATEV qw(:CONSTANTS);
 use SL::DBUtils;
 use SL::DO;
 use SL::GenericTranslations;
@@ -47,6 +48,7 @@ use SL::MoreCommon;
 use SL::IC;
 use SL::IO;
 use SL::TransNumber;
+use SL::DB::Default;
 use Data::Dumper;
 
 use strict;
@@ -142,7 +144,7 @@ sub invoice_details {
 
   $form->{discount} = [];
 
-  IC->prepare_parts_for_printing();
+  IC->prepare_parts_for_printing(myconfig => $myconfig, form => $form);
 
   my $ic_cvar_configs = CVar->get_configs(module => 'IC');
 
@@ -220,12 +222,18 @@ sub invoice_details {
       my ($dec)         = ($sellprice =~ /\.(\d+)/);
       my $decimalplaces = max 2, length($dec);
 
-      my $parsed_discount      = $form->parse_amount($myconfig, $form->{"discount_$i"});
-      my $linetotal_exact      =                     $form->{"qty_$i"} * $sellprice * (100 - $parsed_discount) / 100 / $price_factor->{factor};
-      my $linetotal            = $form->round_amount($linetotal_exact, 2);
-      my $discount             = $form->round_amount($form->{"qty_$i"} * $sellprice * $parsed_discount / 100 / $price_factor->{factor} - ($linetotal - $linetotal_exact),
-                                                     $decimalplaces);
-      my $nodiscount_linetotal = $form->round_amount($form->{"qty_$i"} * $sellprice / $price_factor->{factor}, 2);
+      my $parsed_discount            = $form->parse_amount($myconfig, $form->{"discount_$i"});
+
+      my $linetotal_exact            = $form->{"qty_$i"} * $sellprice * (100 - $parsed_discount) / 100 / $price_factor->{factor};
+      my $linetotal                  = $form->round_amount($linetotal_exact, 2);
+
+      my $nodiscount_exact_linetotal = $form->{"qty_$i"} * $sellprice                                  / $price_factor->{factor};
+      my $nodiscount_linetotal       = $form->round_amount($nodiscount_exact_linetotal,2);
+
+      my $discount                   = $nodiscount_linetotal - $linetotal; # is always rounded because $nodiscount_linetotal and $linetotal are rounded
+
+      my $discount_round_error       = $discount + ($linetotal_exact - $nodiscount_exact_linetotal); # not used
+
       $form->{"netprice_$i"}   = $form->round_amount($form->{"qty_$i"} ? ($linetotal / $form->{"qty_$i"}) : 0, 2);
 
       push @{ $form->{TEMPLATE_ARRAYS}->{netprice} },       ($form->{"netprice_$i"} != 0) ? $form->format_amount($myconfig, $form->{"netprice_$i"}, $decimalplaces) : '';
@@ -257,8 +265,7 @@ sub invoice_details {
         $subtotal_header     = 0;
 
       } else {
-        push @{ $form->{TEMPLATE_ARRAYS}->{discount_sub} },   "";
-        push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_sub} }, "";
+        push @{ $form->{TEMPLATE_ARRAYS}->{$_} }, "" for qw(discount_sub nodiscount_sub discount_sub_nofmt nodiscount_sub_nofmt);
       }
 
       if (!$form->{"discount_$i"}) {
@@ -353,7 +360,9 @@ sub invoice_details {
         $sth->finish;
       }
 
-      map { push @{ $form->{TEMPLATE_ARRAYS}->{"ic_cvar_$_->{name}"} }, $form->{"ic_cvar_$_->{name}_$i"} } @{ $ic_cvar_configs };
+      push @{ $form->{TEMPLATE_ARRAYS}->{"ic_cvar_$_->{name}"} },
+        CVar->format_to_template(CVar->parse($form->{"ic_cvar_$_->{name}_$i"}, $_), $_)
+          for @{ $ic_cvar_configs };
     }
   }
 
@@ -448,7 +457,8 @@ sub customer_details {
   # get rest for the customer
   my $query =
     qq|SELECT ct.*, cp.*, ct.notes as customernotes,
-         ct.phone AS customerphone, ct.fax AS customerfax, ct.email AS customeremail
+         ct.phone AS customerphone, ct.fax AS customerfax, ct.email AS customeremail,
+         ct.curr AS currency
        FROM customer ct
        LEFT JOIN contacts cp on ct.id = cp.cp_cv_id
        WHERE (ct.id = ?) $where
@@ -468,6 +478,9 @@ sub customer_details {
 
   map { $form->{$_} = $ref->{$_} } keys %$ref;
 
+  # remove any trailing whitespace
+  $form->{currency} =~ s/\s*$// if ($form->{currency});
+
   if ($form->{delivery_customer_id}) {
     $query =
       qq|SELECT *, notes as customernotes
@@ -694,9 +707,13 @@ sub post_invoice {
         }
       }
 
-      # get pricegroup_id and save it
+      # Get pricegroup_id and save it. Unfortunately the interface
+      # also uses ID "0" for signalling that none is selected, but "0"
+      # must not be stored in the database. Therefore we cannot simply
+      # use conv_i().
       ($null, my $pricegroup_id) = split(/--/, $form->{"sellprice_pg_$i"});
       $pricegroup_id *= 1;
+      $pricegroup_id  = undef if !$pricegroup_id;
 
       my ($invoice_id) = selectfirst_array_query($form, $dbh, qq|SELECT nextval('invoiceid')|);
 
@@ -716,7 +733,7 @@ sub post_invoice {
                  $form->{"sellprice_$i"}, $fxsellprice,
                  $form->{"discount_$i"}, $allocated, 'f',
                  $form->{"unit_$i"}, conv_date($form->{"reqdate_$i"}), conv_i($form->{"project_id_$i"}),
-                 $form->{"serialnumber_$i"}, conv_i($pricegroup_id),
+                 $form->{"serialnumber_$i"}, $pricegroup_id,
                  $form->{"ordnumber_$i"}, conv_date($form->{"transdate_$i"}),
                  $form->{"cusordnumber_$i"}, $baseqty, $form->{"subtotal_$i"} ? 't' : 'f',
                  $form->{"marge_percent_$i"}, $form->{"marge_absolut_$i"},
@@ -804,6 +821,8 @@ sub post_invoice {
   }
 
   $project_id = conv_i($form->{"globalproject_id"});
+  # entsprechend auch beim Bestimmen des Steuerschlüssels in Taxkey.pm berücksichtigen
+  my $taxdate = $form->{deliverydate} ? $form->{deliverydate} : $form->{invdate};
 
   foreach my $trans_id (keys %{ $form->{amount_cogs} }) {
     foreach my $accno (keys %{ $form->{amount_cogs}{$trans_id} }) {
@@ -813,9 +832,9 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount_cogs}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
-               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 0, ?)|;
-        @values = (conv_i($trans_id), $accno, $form->{amount_cogs}{$trans_id}{$accno}, conv_date($form->{invdate}), conv_i($project_id));
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id, chart_link)
+               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, (SELECT id FROM tax WHERE taxkey=0), 0, ?, (SELECT link FROM chart WHERE accno = ?))|;
+        @values = (conv_i($trans_id), $accno, $form->{amount_cogs}{$trans_id}{$accno}, conv_date($form->{invdate}), conv_i($project_id), $accno);
         do_query($form, $dbh, $query, @values);
         $form->{amount_cogs}{$trans_id}{$accno} = 0;
       }
@@ -826,9 +845,9 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount_cogs}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
-               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 0, ?)|;
-        @values = (conv_i($trans_id), $accno, $form->{amount_cogs}{$trans_id}{$accno}, conv_date($form->{invdate}), conv_i($project_id));
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id, chart_link)
+               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, (SELECT id FROM tax WHERE taxkey=0), 0, ?, (SELECT link FROM chart WHERE accno = ?))|;
+        @values = (conv_i($trans_id), $accno, $form->{amount_cogs}{$trans_id}{$accno}, conv_date($form->{invdate}), conv_i($project_id), $accno);
         do_query($form, $dbh, $query, @values);
       }
     }
@@ -842,10 +861,25 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id, chart_link)
              VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?,
-                     (SELECT taxkey_id  FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_i($project_id));
+                     (SELECT tax_id
+                      FROM taxkeys
+                      WHERE chart_id= (SELECT id
+                                       FROM chart
+                                       WHERE accno = ?)
+                      AND startdate <= ?
+                      ORDER BY startdate DESC LIMIT 1),
+                     (SELECT taxkey_id
+                      FROM taxkeys
+                      WHERE chart_id= (SELECT id
+                                       FROM chart
+                                       WHERE accno = ?)
+                      AND startdate <= ?
+                      ORDER BY startdate DESC LIMIT 1),
+                     ?,
+                     (SELECT link FROM chart WHERE accno = ?))|;
+        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_date($taxdate), $accno, conv_date($taxdate), conv_i($project_id), $accno);
         do_query($form, $dbh, $query, @values);
         $form->{amount}{$trans_id}{$accno} = 0;
       }
@@ -856,10 +890,25 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id, chart_link)
              VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?,
-                     (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_i($project_id));
+                     (SELECT tax_id
+                      FROM taxkeys
+                      WHERE chart_id= (SELECT id
+                                       FROM chart
+                                       WHERE accno = ?)
+                      AND startdate <= ?
+                      ORDER BY startdate DESC LIMIT 1),
+                     (SELECT taxkey_id
+                      FROM taxkeys
+                      WHERE chart_id= (SELECT id
+                                       FROM chart
+                                       WHERE accno = ?)
+                      AND startdate <= ?
+                      ORDER BY startdate DESC LIMIT 1),
+                     ?,
+                     (SELECT link FROM chart WHERE accno = ?))|;
+        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_date($taxdate), $accno, conv_date($taxdate), conv_i($project_id), $accno);
         do_query($form, $dbh, $query, @values);
       }
     }
@@ -878,6 +927,12 @@ sub post_invoice {
   if (!$form->{storno}) {
     for my $i (1 .. $form->{paidaccounts}) {
 
+      if ($form->{"acc_trans_id_$i"}
+          && $payments_only
+          && (SL::DB::Default->get->payments_changeable == 0)) {
+        next;
+      }
+
       next if ($form->{"paid_$i"} == 0);
 
       my ($accno) = split(/--/, $form->{"AR_paid_$i"});
@@ -899,38 +954,67 @@ sub post_invoice {
 
       if ($form->{amount}{ $form->{id} }{ $form->{AR} } != 0) {
         $query =
-        qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
+        qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id, chart_link)
            VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?,
-                   (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($form->{"id"}), $form->{AR}, $amount, $form->{"datepaid_$i"}, $form->{AR}, $project_id);
+                   (SELECT tax_id
+                    FROM taxkeys
+                    WHERE chart_id= (SELECT id
+                                     FROM chart
+                                     WHERE accno = ?)
+                    AND startdate <= ?
+                    ORDER BY startdate DESC LIMIT 1),
+                   (SELECT taxkey_id
+                    FROM taxkeys
+                    WHERE chart_id= (SELECT id
+                                     FROM chart
+                                     WHERE accno = ?)
+                    AND startdate <= ?
+                    ORDER BY startdate DESC LIMIT 1),
+                   ?,
+                   (SELECT link FROM chart WHERE accno = ?))|;
+        @values = (conv_i($form->{"id"}), $form->{AR}, $amount, $form->{"datepaid_$i"}, $form->{AR}, conv_date($taxdate), $form->{AR}, conv_date($taxdate), $project_id, $form->{AR});
         do_query($form, $dbh, $query, @values);
       }
 
       # record payment
       $form->{"paid_$i"} *= -1;
+      my $gldate = (conv_date($form->{"gldate_$i"}))? conv_date($form->{"gldate_$i"}) : conv_date($form->current_date($myconfig));
 
       $query =
-      qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, source, memo, taxkey, project_id)
-         VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, ?, ?,
-                 (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
+      qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, gldate, source, memo, tax_id, taxkey, project_id, chart_link)
+         VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, ?, ?, ?,
+                 (SELECT tax_id
+                  FROM taxkeys
+                  WHERE chart_id= (SELECT id
+                                   FROM chart
+                                   WHERE accno = ?)
+                  AND startdate <= ?
+                  ORDER BY startdate DESC LIMIT 1),
+                 (SELECT taxkey_id
+                  FROM taxkeys
+                  WHERE chart_id= (SELECT id
+                                   FROM chart
+                                   WHERE accno = ?)
+                  AND startdate <= ?
+                  ORDER BY startdate DESC LIMIT 1),
+                 ?,
+                 (SELECT link FROM chart WHERE accno = ?))|;
       @values = (conv_i($form->{"id"}), $accno, $form->{"paid_$i"}, $form->{"datepaid_$i"},
-                 $form->{"source_$i"}, $form->{"memo_$i"}, $accno, $project_id);
+                 $gldate, $form->{"source_$i"}, $form->{"memo_$i"}, $accno, conv_date($taxdate), $accno, conv_date($taxdate), $project_id, $accno);
       do_query($form, $dbh, $query, @values);
 
       # exchangerate difference
       $form->{fx}{$accno}{ $form->{"datepaid_$i"} } +=
-      $form->{"paid_$i"} * ($form->{"exchangerate_$i"} - 1) + $diff;
+        $form->{"paid_$i"} * ($form->{"exchangerate_$i"} - 1) + $diff;
 
       # gain/loss
       $amount =
-      $form->{"paid_$i"} * $form->{exchangerate} - $form->{"paid_$i"} *
-      $form->{"exchangerate_$i"};
+        $form->{"paid_$i"} * $form->{exchangerate} - $form->{"paid_$i"} *
+        $form->{"exchangerate_$i"};
       if ($amount > 0) {
-        $form->{fx}{ $form->{fxgain_accno} }{ $form->{"datepaid_$i"} } +=
-        $amount;
+        $form->{fx}{ $form->{fxgain_accno} }{ $form->{"datepaid_$i"} } += $amount;
       } else {
-        $form->{fx}{ $form->{fxloss_accno} }{ $form->{"datepaid_$i"} } +=
-        $amount;
+        $form->{fx}{ $form->{fxloss_accno} }{ $form->{"datepaid_$i"} } += $amount;
       }
 
       $diff = 0;
@@ -949,35 +1033,47 @@ sub post_invoice {
 
   IO->set_datepaid(table => 'ar', id => $form->{id}, dbh => $dbh);
 
-  if ($payments_only) {
-    $query = qq|UPDATE ar SET paid = ? WHERE id = ?|;
-    do_query($form, $dbh, $query,  $form->{paid}, conv_i($form->{id}));
-
-    $dbh->commit if !$provided_dbh;
-
-    $main::lxdebug->leave_sub();
-    return;
-  }
-
   # record exchange rate differences and gains/losses
   foreach my $accno (keys %{ $form->{fx} }) {
     foreach my $transdate (keys %{ $form->{fx}{$accno} }) {
-      if (
-          ($form->{fx}{$accno}{$transdate} =
-           $form->round_amount($form->{fx}{$accno}{$transdate}, 2)
-          ) != 0
-        ) {
+      $form->{fx}{$accno}{$transdate} = $form->round_amount($form->{fx}{$accno}{$transdate}, 2);
+      if ( $form->{fx}{$accno}{$transdate} != 0 ) {
 
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, cleared, fx_transaction, taxkey, project_id)
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, cleared, fx_transaction, tax_id, taxkey, project_id, chart_link)
              VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, '0', '1',
-             (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($form->{"id"}), $accno, $form->{fx}{$accno}{$transdate}, conv_date($transdate), $accno, $project_id);
+                 (SELECT tax_id
+                  FROM taxkeys
+                  WHERE chart_id= (SELECT id
+                                   FROM chart
+                                   WHERE accno = ?)
+                  AND startdate <= ?
+                  ORDER BY startdate DESC LIMIT 1),
+                 (SELECT taxkey_id
+                  FROM taxkeys
+                  WHERE chart_id= (SELECT id
+                                   FROM chart
+                                   WHERE accno = ?)
+                  AND startdate <= ?
+                  ORDER BY startdate DESC LIMIT 1),
+                 ?,
+                 (SELECT link FROM chart WHERE accno = ?))|;
+        @values = (conv_i($form->{"id"}), $accno, $form->{fx}{$accno}{$transdate}, conv_date($transdate), $accno, conv_date($taxdate), $accno, conv_date($taxdate), conv_i($project_id), $accno);
         do_query($form, $dbh, $query, @values);
       }
     }
   }
 
+  if ($payments_only) {
+    $query = qq|UPDATE ar SET paid = ? WHERE id = ?|;
+    do_query($form, $dbh, $query,  $form->{paid}, conv_i($form->{id}));
+
+    $dbh->commit if !$provided_dbh;
+
+    $main::lxdebug->leave_sub();
+    return;
+  }
+
   $amount = $netamount + $tax;
 
   # save AR record
@@ -995,7 +1091,7 @@ sub post_invoice {
                 cp_id       = ?, marge_total   = ?, marge_percent = ?,
                 globalproject_id               = ?, delivery_customer_id             = ?,
                 transaction_description        = ?, delivery_vendor_id               = ?,
-                donumber    = ?, invnumber_for_credit_note = ?
+                donumber    = ?, invnumber_for_credit_note = ?,        direct_debit  = ?
               WHERE id = ?|;
   @values = (          $form->{"invnumber"},           $form->{"ordnumber"},             $form->{"quonumber"},          $form->{"cusordnumber"},
              conv_date($form->{"invdate"}),  conv_date($form->{"orddate"}),    conv_date($form->{"quodate"}),    conv_i($form->{"customer_id"}),
@@ -1008,7 +1104,7 @@ sub post_invoice {
                 conv_i($form->{"cp_id"}),            1 * $form->{marge_total} ,      1 * $form->{marge_percent},
                 conv_i($form->{"globalproject_id"}),                              conv_i($form->{"delivery_customer_id"}),
                        $form->{transaction_description},                          conv_i($form->{"delivery_vendor_id"}),
-                       $form->{"donumber"}, $form->{"invnumber_for_credit_note"},
+                       $form->{"donumber"}, $form->{"invnumber_for_credit_note"},        $form->{direct_debit} ? 't' : 'f',
                 conv_i($form->{"id"}));
   do_query($form, $dbh, $query, @values);
 
@@ -1067,6 +1163,28 @@ sub post_invoice {
                                'arap_id' => $form->{id},
                                'table'   => 'ar',);
 
+  # safety check datev export
+  if ($::instance_conf->get_datev_check_on_sales_invoice) {
+    my $transdate = $::form->{invdate} ? DateTime->from_lxoffice($::form->{invdate}) : undef;
+    $transdate  ||= DateTime->today;
+
+    my $datev = SL::DATEV->new(
+      exporttype => DATEV_ET_BUCHUNGEN,
+      format     => DATEV_FORMAT_KNE,
+      dbh        => $dbh,
+      from       => $transdate,
+      to         => $transdate,
+      trans_id   => $form->{id},
+    );
+
+    $datev->export;
+
+    if ($datev->errors) {
+      $dbh->rollback;
+      die join "\n", $::locale->text('DATEV check returned errors:'), $datev->errors;
+    }
+  }
+
   my $rc = 1;
   $dbh->commit if !$provided_dbh;
 
@@ -1128,10 +1246,12 @@ sub post_payment {
   $old_form = save_form();
 
   # Delete all entries in acc_trans from prior payments.
-  $self->_delete_payments($form, $dbh);
+  if (SL::DB::Default->get->payments_changeable != 0) {
+    $self->_delete_payments($form, $dbh);
+  }
 
   # Save the new payments the user made before cleaning up $form.
-  map { $payments{$_} = $form->{$_} } grep m/^datepaid_\d+$|^memo_\d+$|^source_\d+$|^exchangerate_\d+$|^paid_\d+$|^AR_paid_\d+$|^paidaccounts$/, keys %{ $form };
+  map { $payments{$_} = $form->{$_} } grep m/^datepaid_\d+$|^gldate_\d+$|^acc_trans_id_\d+$|^memo_\d+$|^source_\d+$|^exchangerate_\d+$|^paid_\d+$|^AR_paid_\d+$|^paidaccounts$/, keys %{ $form };
 
   # Clean up $form so that old content won't tamper the results.
   %keep_vars = map { $_, 1 } qw(login password id);
@@ -1261,7 +1381,7 @@ sub cogs {
 
 # all invoice entries of an example part:
 
-# id | trans_id | base_qty | allocated | sellprice | inventory_accno | income_accno | expense_accno 
+# id | trans_id | base_qty | allocated | sellprice | inventory_accno | income_accno | expense_accno
 # ---+----------+----------+-----------+-----------+-----------------+--------------+---------------
 #  4 |        4 |       -5 |         5 |  20.00000 | 1140            | 4400         | 5400     bought 5 for 20
 #  5 |        5 |        4 |        -4 |  50.00000 | 1140            | 4400         | 5400     sold   4 for 50
@@ -1398,14 +1518,16 @@ sub delete_invoice {
     do_query($form, $dbh, qq|UPDATE ar SET storno = 'f', paid = 0 WHERE id = ?|, $invoice_id);
   }
 
-  # delete AR record
-  do_query($form, $dbh, qq|DELETE FROM ar WHERE id = ?|, @values);
-
   # delete spool files
   my @spoolfiles = selectall_array_query($form, $dbh, qq|SELECT spoolfile FROM status WHERE trans_id = ?|, @values);
 
-  # delete status entries
-  do_query($form, $dbh, qq|DELETE FROM status WHERE trans_id = ?|, @values);
+  my @queries = (
+    qq|DELETE FROM status WHERE trans_id = ?|,
+    qq|DELETE FROM periodic_invoices WHERE ar_id = ?|,
+    qq|DELETE FROM ar WHERE id = ?|,
+  );
+
+  map { do_query($form, $dbh, $_, @values) } @queries;
 
   my $rc = $dbh->commit;
 
@@ -1429,7 +1551,7 @@ sub retrieve_invoice {
 
   my ($sth, $ref, $query);
 
-  my $query_transdate = ", current_date AS invdate" if !$form->{id};
+  my $query_transdate = !$form->{id} ? ", current_date AS invdate" : '';
 
   $query =
     qq|SELECT
@@ -1461,7 +1583,7 @@ sub retrieve_invoice {
            a.employee_id, a.salesman_id, a.payment_id,
            a.language_id, a.delivery_customer_id, a.delivery_vendor_id, a.type,
            a.transaction_description, a.donumber, a.invnumber_for_credit_note,
-           a.marge_total, a.marge_percent,
+           a.marge_total, a.marge_percent, a.direct_debit,
            e.name AS employee
          FROM ar a
          LEFT JOIN employee e ON (e.id = a.employee_id)
@@ -1469,6 +1591,8 @@ sub retrieve_invoice {
     $ref = selectfirst_hashref_query($form, $dbh, $query, $id);
     map { $form->{$_} = $ref->{$_} } keys %{ $ref };
 
+    # remove any trailing whitespace
+    $form->{currency} =~ s/\s*$//;
 
     $form->{exchangerate} = $form->get_exchangerate($dbh, $form->{currency}, $form->{invdate}, "buy");
 
@@ -1514,7 +1638,7 @@ sub retrieve_invoice {
            i.description, i.longdescription, i.qty, i.fxsellprice AS sellprice, i.discount, i.parts_id AS id, i.unit, i.deliverydate AS reqdate,
            i.project_id, i.serialnumber, i.id AS invoice_pos, i.pricegroup_id, i.ordnumber, i.transdate, i.cusordnumber, i.subtotal, i.lastcost,
            i.price_factor_id, i.price_factor, i.marge_price_factor,
-           p.partnumber, p.assembly, p.bin, p.notes AS partnotes, p.inventory_accno_id AS part_inventory_accno_id, p.formel,
+           p.partnumber, p.assembly, p.bin, p.notes AS partnotes, p.inventory_accno_id AS part_inventory_accno_id, p.formel, p.listprice,
            pr.projectnumber, pg.partsgroup, prg.pricegroup
 
          FROM invoice i
@@ -1634,7 +1758,8 @@ sub get_customer {
          c.id AS customer_id, c.name AS customer, c.discount as customer_discount, c.creditlimit, c.terms,
          c.email, c.cc, c.bcc, c.language_id, c.payment_id,
          c.street, c.zipcode, c.city, c.country,
-         c.notes AS intnotes, c.klass as customer_klass, c.taxzone_id, c.salesman_id,
+         c.notes AS intnotes, c.klass as customer_klass, c.taxzone_id, c.salesman_id, c.curr,
+         c.taxincluded_checked, c.direct_debit,
          $duedate + COALESCE(pt.terms_netto, 0) AS duedate,
          b.discount AS tradediscount, b.description AS business
        FROM customer c
@@ -1648,6 +1773,12 @@ sub get_customer {
 
   map { $form->{$_} = $ref->{$_} } keys %$ref;
 
+  # remove any trailing whitespace
+  $form->{curr} =~ s/\s*$//;
+
+  # use customer currency if not empty
+  $form->{currency} = $form->{curr} if $form->{curr};
+
   $query =
     qq|SELECT sum(amount - paid) AS dunning_amount
        FROM ar
@@ -1771,9 +1902,10 @@ sub retrieve_item {
     push @values, $form->{"partnumber_$i"};
   }
 
+  # Search for part ID overrides all other criteria.
   if ($form->{"id_${i}"}) {
-    $where .= qq| AND p.id = ?|;
-    push @values, $form->{"id_${i}"};
+    $where  = qq|p.id = ?|;
+    @values = ($form->{"id_${i}"});
   }
 
   if ($form->{"description_$i"}) {
@@ -1817,7 +1949,7 @@ sub retrieve_item {
          p.unit, p.assembly, p.bin, p.onhand,
          p.notes AS partnotes, p.notes AS longdescription,
          p.not_discountable, p.formel, p.payment_id AS part_payment_id,
-         p.price_factor_id,
+         p.price_factor_id, p.weight,
 
          pfac.factor AS price_factor,
 
@@ -1903,7 +2035,6 @@ sub retrieve_item {
     my $i = 0;
     while (my $ptr = $stw->fetchrow_hashref('NAME_lc')) {
 
-      #    if ($customertax{$ref->{accno}})
       if (($ptr->{accno} eq "") && ($ptr->{rate} == 0)) {
         $i++;
         $ptr->{accno} = $i;
@@ -1984,7 +2115,7 @@ sub get_pricegroups_for_parts {
 
     my $pricegroup_old = $form->{"pricegroup_old_$i"};
 
-    # sellprice has format 13,0000 or 0,00000, can't check for 0 numerically
+    # sellprice has format 13,0000 or 0,00000,  can't check for 0 numerically
     my $sellprice = $form->{"sellprice_$i"};
     my $pricegroup_id = $form->{"pricegroup_id_$i"};
     $form->{"new_pricegroup_$i"} = $selectedpricegroup_id;
@@ -2062,9 +2193,10 @@ sub get_pricegroups_for_parts {
 
       $pkr->{price} *= $form->{"basefactor_$i"};
       $pkr->{price} *= $basefactor;
+      $pkr->{price_ufmt} = $pkr->{price};
       $pkr->{price} = $form->format_amount($myconfig, $pkr->{price}, 5);
 
-      if ($selectedpricegroup_id eq undef) {
+      if (!defined $selectedpricegroup_id) {
         # new entries in article list, either old invoice was loaded (edit) or a new article was added
         # Case A: open old invoice, no pricegroup selected
         # Case B: add new article to invoice, no pricegroup selected
@@ -2076,18 +2208,16 @@ sub get_pricegroups_for_parts {
         if ($pkr->{pricegroup_id} eq $form->{"pricegroup_id_$i"} and defined $form->{"pricegroup_id_$i"}) {
           # Case A
           $pkr->{selected}  = ' selected';
-
         } elsif ($pkr->{pricegroup_id} eq $form->{customer_klass}
                  and not defined $form->{"pricegroup_id_$i"}
-                 and $pkr->{price} != 0    # only use customer pricegroup price if it has a value, else use default_sellprice
-                                           # for the case where pricegroup prices haven't been set
+                 and $pkr->{price_ufmt} != 0    # only use customer pricegroup price if it has a value, else use default_sellprice
+                                                # for the case where pricegroup prices haven't been set
                 ) {
           # Case B: use default pricegroup of customer
 
           $pkr->{selected}  = ' selected'; # unless $form->{selected};
-
           # no customer pricesgroup set
-          if ($pkr->{price} == $pkr->{default_sellprice}) {
+          if ($pkr->{price_ufmt} == $pkr->{default_sellprice}) {
 
             $pkr->{price} = $form->{"sellprice_$i"};
 
@@ -2098,7 +2228,7 @@ sub get_pricegroups_for_parts {
             $form->{"sellprice_$i"} = $pkr->{price};
           }
 
-        } elsif ($pkr->{price} == $pkr->{default_sellprice} and $pkr->{default_sellprice} != 0) {
+        } elsif ($pkr->{price_ufmt} == $pkr->{default_sellprice} and $pkr->{default_sellprice} != 0) {
           $pkr->{price}    = $form->{"sellprice_$i"};
           $pkr->{selected} = ' selected';
         }