X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FIS.pm;h=13b86fb4bdbc09702490f1e47d6de445c4755059;hb=357d134d265637fb37ed2cd47da2ce3ef44d015a;hp=d91a36b8b09d0ea64441f4c0603a0faa6435dfeb;hpb=e055700faea1906bea6c03184ba4516b57cac887;p=kivitendo-erp.git

diff --git a/SL/IS.pm b/SL/IS.pm
index d91a36b8b..13b86fb4b 100644
--- 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;
@@ -59,7 +61,7 @@ sub invoice_details {
   $form->{duedate} ||= $form->{invdate};
 
   # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
   my $sth;
 
   my $query = qq|SELECT date | . conv_dateq($form->{duedate}) . qq| - date | . conv_dateq($form->{invdate}) . qq| AS terms|;
@@ -148,7 +150,7 @@ sub invoice_details {
 
   my @arrays =
     qw(runningnumber number description longdescription qty ship unit bin
-       deliverydate_oe ordnumber_oe transdate_oe licensenumber validuntil
+       deliverydate_oe ordnumber_oe transdate_oe validuntil
        partnotes serialnumber reqdate sellprice listprice netprice
        discount p_discount discount_sub nodiscount_sub
        linetotal  nodiscount_linetotal tax_rate projectnumber projectdescription
@@ -201,9 +203,11 @@ sub invoice_details {
       push @{ $form->{TEMPLATE_ARRAYS}->{description} },       $form->{"description_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{longdescription} },   $form->{"longdescription_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{qty} },               $form->format_amount($myconfig, $form->{"qty_$i"});
+      push @{ $form->{TEMPLATE_ARRAYS}->{qty_nofmt} },         $form->{"qty_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{unit} },              $form->{"unit_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{deliverydate_oe} },   $form->{"reqdate_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{sellprice} },         $form->{"sellprice_$i"};
+      push @{ $form->{TEMPLATE_ARRAYS}->{sellprice_nofmt} },   $form->parse_amount($myconfig, $form->{"sellprice_$i"});
       push @{ $form->{TEMPLATE_ARRAYS}->{ordnumber_oe} },      $form->{"ordnumber_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{transdate_oe} },      $form->{"transdate_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{invnumber} },         $form->{"invnumber"};
@@ -212,41 +216,34 @@ sub invoice_details {
       push @{ $form->{TEMPLATE_ARRAYS}->{price_factor_name} }, $price_factor->{description};
       push @{ $form->{TEMPLATE_ARRAYS}->{partsgroup} },        $form->{"partsgroup_$i"};
       push @{ $form->{TEMPLATE_ARRAYS}->{reqdate} },           $form->{"reqdate_$i"};
-
-      if ($form->{lizenzen}) {
-        if ($form->{"licensenumber_$i"}) {
-          $query = qq|SELECT licensenumber, validuntil FROM license WHERE id = ?|;
-          my ($licensenumber, $validuntil) = selectrow_query($form, $dbh, $query, conv_i($form->{"licensenumber_$i"}));
-          push(@{ $form->{TEMPLATE_ARRAYS}->{licensenumber} }, $licensenumber);
-          push(@{ $form->{TEMPLATE_ARRAYS}->{validuntil} }, $locale->date($myconfig, $validuntil, 0));
-
-        } else {
-          push(@{ $form->{TEMPLATE_ARRAYS}->{licensenumber} }, "");
-          push(@{ $form->{TEMPLATE_ARRAYS}->{validuntil} },    "");
-        }
-      }
-
-      # listprice
-      push(@{ $form->{TEMPLATE_ARRAYS}->{listprice} }, $form->{"listprice_$i"});
+      push(@{ $form->{TEMPLATE_ARRAYS}->{listprice} },         $form->{"listprice_$i"});
 
       my $sellprice     = $form->parse_amount($myconfig, $form->{"sellprice_$i"});
       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) : '';
+      push @{ $form->{TEMPLATE_ARRAYS}->{netprice} },       ($form->{"netprice_$i"} != 0) ? $form->format_amount($myconfig, $form->{"netprice_$i"}, $decimalplaces) : '';
+      push @{ $form->{TEMPLATE_ARRAYS}->{netprice_nofmt} }, ($form->{"netprice_$i"} != 0) ? $form->{"netprice_$i"} : '';
 
       $linetotal = ($linetotal != 0) ? $linetotal : '';
 
-      push @{ $form->{TEMPLATE_ARRAYS}->{discount} },   ($discount  != 0) ? $form->format_amount($myconfig, $discount * -1, 2) : '';
-      push @{ $form->{TEMPLATE_ARRAYS}->{p_discount} }, $form->{"discount_$i"};
+      push @{ $form->{TEMPLATE_ARRAYS}->{discount} },       ($discount != 0) ? $form->format_amount($myconfig, $discount * -1, 2) : '';
+      push @{ $form->{TEMPLATE_ARRAYS}->{discount_nofmt} }, ($discount != 0) ? $discount * -1 : '';
+      push @{ $form->{TEMPLATE_ARRAYS}->{p_discount} },     $form->{"discount_$i"};
 
       $form->{total}            += $linetotal;
       $form->{nodiscount_total} += $nodiscount_linetotal;
@@ -258,27 +255,30 @@ sub invoice_details {
       }
 
       if ($form->{"subtotal_$i"} && $subtotal_header && ($subtotal_header != $i)) {
-        push @{ $form->{TEMPLATE_ARRAYS}->{discount_sub} },   $form->format_amount($myconfig, $discount_subtotal,   2);
-        push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_sub} }, $form->format_amount($myconfig, $nodiscount_subtotal, 2);
+        push @{ $form->{TEMPLATE_ARRAYS}->{discount_sub} },         $form->format_amount($myconfig, $discount_subtotal,   2);
+        push @{ $form->{TEMPLATE_ARRAYS}->{discount_sub_nofmt} },   $discount_subtotal;
+        push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_sub} },       $form->format_amount($myconfig, $nodiscount_subtotal, 2);
+        push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_sub_nofmt} }, $nodiscount_subtotal;
 
         $discount_subtotal   = 0;
         $nodiscount_subtotal = 0;
         $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"}) {
         $nodiscount += $linetotal;
       }
 
-      push @{ $form->{TEMPLATE_ARRAYS}->{linetotal} }, $form->format_amount($myconfig, $linetotal, 2);
-      push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_linetotal} }, $form->format_amount($myconfig, $nodiscount_linetotal, 2);
+      push @{ $form->{TEMPLATE_ARRAYS}->{linetotal} },                  $form->format_amount($myconfig, $linetotal, 2);
+      push @{ $form->{TEMPLATE_ARRAYS}->{linetotal_nofmt} },            $linetotal_exact;
+      push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_linetotal} },       $form->format_amount($myconfig, $nodiscount_linetotal, 2);
+      push @{ $form->{TEMPLATE_ARRAYS}->{nodiscount_linetotal_nofmt} }, $nodiscount_linetotal;
 
-      push(@{ $form->{TEMPLATE_ARRAYS}->{projectnumber} }, $projectnumbers{$form->{"project_id_$i"}});
-      push(@{ $form->{TEMPLATE_ARRAYS}->{projectdescription} }, $projectdescriptions{$form->{"project_id_$i"}});
+      push(@{ $form->{TEMPLATE_ARRAYS}->{projectnumber} },              $projectnumbers{$form->{"project_id_$i"}});
+      push(@{ $form->{TEMPLATE_ARRAYS}->{projectdescription} },         $projectdescriptions{$form->{"project_id_$i"}});
 
       @taxaccounts = split(/ /, $form->{"taxaccounts_$i"});
       $taxrate     = 0;
@@ -360,7 +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 };
     }
   }
 
@@ -368,8 +370,11 @@ sub invoice_details {
     $tax += $taxamount = $form->round_amount($taxaccounts{$item}, 2);
 
     push(@{ $form->{TEMPLATE_ARRAYS}->{taxbase} },        $form->format_amount($myconfig, $taxbase{$item}, 2));
+    push(@{ $form->{TEMPLATE_ARRAYS}->{taxbase_nofmt} },  $taxbase{$item});
     push(@{ $form->{TEMPLATE_ARRAYS}->{tax} },            $form->format_amount($myconfig, $taxamount,      2));
+    push(@{ $form->{TEMPLATE_ARRAYS}->{tax_nofmt} },      $taxamount );
     push(@{ $form->{TEMPLATE_ARRAYS}->{taxrate} },        $form->format_amount($myconfig, $form->{"${item}_rate"} * 100));
+    push(@{ $form->{TEMPLATE_ARRAYS}->{taxrate_nofmt} },  $form->{"${item}_rate"} * 100);
     push(@{ $form->{TEMPLATE_ARRAYS}->{taxdescription} }, $form->{"${item}_description"} . q{ } . 100 * $form->{"${item}_rate"} . q{%});
     push(@{ $form->{TEMPLATE_ARRAYS}->{taxnumber} },      $form->{"${item}_taxnumber"});
   }
@@ -388,10 +393,12 @@ sub invoice_details {
     }
   }
   if($form->{taxincluded}) {
-    $form->{subtotal} = $form->format_amount($myconfig, $form->{total} - $tax, 2);
+    $form->{subtotal}       = $form->format_amount($myconfig, $form->{total} - $tax, 2);
+    $form->{subtotal_nofmt} = $form->{total} - $tax;
   }
   else {
-    $form->{subtotal} = $form->format_amount($myconfig, $form->{total}, 2);
+    $form->{subtotal}       = $form->format_amount($myconfig, $form->{total}, 2);
+    $form->{subtotal_nofmt} = $form->{total};
   }
 
   $form->{nodiscount_subtotal} = $form->format_amount($myconfig, $form->{nodiscount_total}, 2);
@@ -409,8 +416,6 @@ sub invoice_details {
 
   $form->{username} = $myconfig->{name};
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
@@ -434,7 +439,7 @@ sub customer_details {
   my ($self, $myconfig, $form, @wanted_vars) = @_;
 
   # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
 
   my $language_id = $form->{language_id};
 
@@ -452,7 +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
@@ -472,6 +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
@@ -505,8 +514,6 @@ sub customer_details {
                                                   'allow_fallback'   => 1);
 
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
@@ -529,8 +536,12 @@ sub post_invoice {
   }
 
   $form->{defaultcurrency} = $form->get_default_currency($myconfig);
-
-  ($null, $form->{department_id}) = split(/--/, $form->{department});
+  # Seit neuestem wird die department_id schon übergeben UND $form->department nicht mehr
+  # korrekt zusammengebaut. Sehr wahrscheinlich beim Umstieg auf T8 kaputt gegangen
+  # Ich lass den Code von 2005 erstmal noch stehen ;-) jb 03-2011
+  if (!$form->{department_id}){
+    ($null, $form->{department_id}) = split(/--/, $form->{department});
+  }
 
   my $all_units = AM->retrieve_units($myconfig, $form);
 
@@ -689,10 +700,10 @@ sub post_invoice {
 
         if ($form->{"assembly_$i"}) {
           # record assembly item as allocated
-          &process_assembly($dbh, $form, $form->{"id_$i"}, $baseqty);
+          &process_assembly($dbh, $myconfig, $form, $form->{"id_$i"}, $baseqty);
 
         } else {
-          $allocated = &cogs($dbh, $form, $form->{"id_$i"}, $baseqty, $basefactor, $i);
+          $allocated = &cogs($dbh, $myconfig, $form, $form->{"id_$i"}, $baseqty, $basefactor, $i);
         }
       }
 
@@ -727,14 +738,6 @@ sub post_invoice {
                  conv_i($form->{"marge_price_factor_$i"}));
       do_query($form, $dbh, $query, @values);
 
-      if ($form->{lizenzen} && $form->{"licensenumber_$i"}) {
-        $query =
-          qq|INSERT INTO licenseinvoice (trans_id, license_id)
-             VALUES ((SELECT id FROM invoice WHERE trans_id = ? ORDER BY oid DESC LIMIT 1), ?)|;
-        @values = (conv_i($form->{"id"}), conv_i($form->{"licensenumber_$i"}));
-        do_query($form, $dbh, $query, @values);
-      }
-
       CVar->save_custom_variables(module       => 'IC',
                                   sub_module   => 'invoice',
                                   trans_id     => $invoice_id,
@@ -815,6 +818,8 @@ sub post_invoice {
 
   $project_id = conv_i($form->{"globalproject_id"});
 
+  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} }) {
       next unless ($form->{expense_inventory} =~ /\Q$accno\E/);
@@ -823,8 +828,8 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount_cogs}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
-               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 0, ?)|;
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id)
+               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, (SELECT id FROM tax WHERE taxkey=0), 0, ?)|;
         @values = (conv_i($trans_id), $accno, $form->{amount_cogs}{$trans_id}{$accno}, conv_date($form->{invdate}), conv_i($project_id));
         do_query($form, $dbh, $query, @values);
         $form->{amount_cogs}{$trans_id}{$accno} = 0;
@@ -836,8 +841,8 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount_cogs}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
-               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 0, ?)|;
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id)
+               VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, (SELECT id FROM tax WHERE taxkey=0), 0, ?)|;
         @values = (conv_i($trans_id), $accno, $form->{amount_cogs}{$trans_id}{$accno}, conv_date($form->{invdate}), conv_i($project_id));
         do_query($form, $dbh, $query, @values);
       }
@@ -852,10 +857,11 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id)
              VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?,
+                     (SELECT tax_id FROM taxkeys WHERE taxkey_id= (SELECT taxkey_id  FROM chart WHERE accno = ?) AND startdate <= ? ORDER BY startdate DESC LIMIT 1),
                      (SELECT taxkey_id  FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_i($project_id));
+        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_date($taxdate), $accno, conv_i($project_id));
         do_query($form, $dbh, $query, @values);
         $form->{amount}{$trans_id}{$accno} = 0;
       }
@@ -866,10 +872,11 @@ sub post_invoice {
 
       if (!$payments_only && ($form->{amount}{$trans_id}{$accno} != 0)) {
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id)
              VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?,
+                     (SELECT tax_id FROM taxkeys WHERE taxkey_id= (SELECT taxkey_id  FROM chart WHERE accno = ?) AND startdate <= ? ORDER BY startdate DESC LIMIT 1),
                      (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_i($project_id));
+        @values = (conv_i($trans_id), $accno, $form->{amount}{$trans_id}{$accno}, conv_date($form->{invdate}), $accno, conv_date($taxdate), $accno, conv_i($project_id));
         do_query($form, $dbh, $query, @values);
       }
     }
@@ -888,6 +895,12 @@ sub post_invoice {
   if (!$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"});
@@ -909,38 +922,39 @@ sub post_invoice {
 
       if ($form->{amount}{ $form->{id} }{ $form->{AR} } != 0) {
         $query =
-        qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, project_id)
+        qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, tax_id, taxkey, project_id)
            VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?,
+                   (SELECT tax_id FROM taxkeys WHERE taxkey_id= (SELECT taxkey_id  FROM chart WHERE accno = ?) AND startdate <= ? ORDER BY startdate DESC LIMIT 1),
                    (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($form->{"id"}), $form->{AR}, $amount, $form->{"datepaid_$i"}, $form->{AR}, $project_id);
+        @values = (conv_i($form->{"id"}), $form->{AR}, $amount, $form->{"datepaid_$i"}, $form->{AR}, conv_date($taxdate), $form->{AR}, $project_id);
         do_query($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));
 
       $query =
-      qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, source, memo, taxkey, project_id)
-         VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, ?, ?,
+      qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, gldate, source, memo, tax_id, taxkey, project_id)
+         VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, ?, ?, ?,
+                 (SELECT tax_id FROM taxkeys WHERE taxkey_id= (SELECT taxkey_id  FROM chart WHERE accno = ?) AND startdate <= ? ORDER BY startdate DESC LIMIT 1),
                  (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
       @values = (conv_i($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, $project_id);
       do_query($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;
@@ -959,35 +973,33 @@ 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 ) {
 
         $query =
-          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, cleared, fx_transaction, taxkey, project_id)
+          qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, cleared, fx_transaction, tax_id, taxkey, project_id)
              VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, '0', '1',
-             (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
-        @values = (conv_i($form->{"id"}), $accno, $form->{fx}{$accno}{$transdate}, conv_date($transdate), $accno, $project_id);
+                 (SELECT tax_id FROM taxkeys WHERE taxkey_id= (SELECT taxkey_id  FROM chart WHERE accno = ?) AND startdate <= ? ORDER BY startdate DESC LIMIT 1),
+                 (SELECT taxkey_id FROM chart WHERE accno = ?), ?)|;
+        @values = (conv_i($form->{"id"}), $accno, $form->{fx}{$accno}{$transdate}, conv_date($transdate), $accno, conv_date($taxdate), $accno, conv_i($project_id));
         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
@@ -1005,7 +1017,7 @@ sub post_invoice {
                 cp_id       = ?, marge_total   = ?, marge_percent = ?,
                 globalproject_id               = ?, delivery_customer_id             = ?,
                 transaction_description        = ?, delivery_vendor_id               = ?,
-                donumber    = ?
+                donumber    = ?, invnumber_for_credit_note = ?
               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($form->{"customer_id"}),
@@ -1018,7 +1030,7 @@ sub post_invoice {
                 conv_i($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"}, #das entsprechende feld lieferscheinnummer aus der html-form 12.02.09 jb
+                       $form->{"donumber"}, $form->{"invnumber_for_credit_note"},
                 conv_i($form->{"id"}));
   do_query($form, $dbh, $query, @values);
 
@@ -1077,6 +1089,27 @@ 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,
+    );
+
+    $datev->export;
+
+    if ($datev->errors) {
+      $dbh->rollback;
+      die join "\n", $::locale->text('DATEV check returned errors:'), $datev->errors;
+    }
+  }
+
   my $rc = 1;
   $dbh->commit if !$provided_dbh;
 
@@ -1130,17 +1163,20 @@ sub post_payment {
   my ($self, $myconfig, $form, $locale) = @_;
 
   # connect to database, turn off autocommit
-  my $dbh = $form->dbconnect_noauto($myconfig);
+  my $dbh = $form->get_standard_dbh;
+  $dbh->begin_work;
 
   my (%payments, $old_form, $row, $item, $query, %keep_vars);
 
   $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 { $_, 1 } qw(login password id);
@@ -1185,7 +1221,6 @@ sub post_payment {
   restore_form($old_form);
 
   my $rc = $dbh->commit();
-  $dbh->disconnect();
 
   $main::lxdebug->leave_sub();
 
@@ -1195,7 +1230,7 @@ sub post_payment {
 sub process_assembly {
   $main::lxdebug->enter_sub();
 
-  my ($dbh, $form, $id, $totalqty) = @_;
+  my ($dbh, $myconfig, $form, $id, $totalqty) = @_;
 
   my $query =
     qq|SELECT a.parts_id, a.qty, p.assembly, p.partnumber, p.description, p.unit,
@@ -1216,11 +1251,11 @@ sub process_assembly {
     $ref->{qty} *= $totalqty;
 
     if ($ref->{assembly}) {
-      &process_assembly($dbh, $form, $ref->{parts_id}, $ref->{qty});
+      &process_assembly($dbh, $myconfig, $form, $ref->{parts_id}, $ref->{qty});
       next;
     } else {
       if ($ref->{inventory_accno_id}) {
-        $allocated = &cogs($dbh, $form, $ref->{parts_id}, $ref->{qty});
+        $allocated = &cogs($dbh, $myconfig, $form, $ref->{parts_id}, $ref->{qty});
       }
     }
 
@@ -1241,7 +1276,10 @@ sub process_assembly {
 sub cogs {
   $main::lxdebug->enter_sub();
 
-  my ($dbh, $form, $id, $totalqty, $basefactor, $row) = @_;
+  # adjust allocated in table invoice according to FIFO princicple
+  # for a certain part with part_id $id
+
+  my ($dbh, $myconfig, $form, $id, $totalqty, $basefactor, $row) = @_;
 
   $basefactor ||= 1;
 
@@ -1266,18 +1304,45 @@ sub cogs {
   my $allocated = 0;
   my $qty;
 
+# all invoice entries of an example part:
+
+# 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
+#  6 |        6 |        1 |        -1 |  50.00000 | 1140            | 4400         | 5400     sold   1 for 50
+#  7 |        7 |       -5 |         1 |  20.00000 | 1140            | 4400         | 5400     bought 5 for 20
+#  8 |        8 |        1 |        -1 |  50.00000 | 1140            | 4400         | 5400     sold   1 for 50
+
+# AND ((i.base_qty + i.allocated) < 0) filters out all but line with id=7, elsewhere i.base_qty + i.allocated has already reached 0
+# and all parts have been allocated
+
+# so transaction 8 only sees transaction 7 with unallocated parts and adjusts allocated for that transaction, before allocated was 0
+#  7 |        7 |       -5 |         1 |  20.00000 | 1140            | 4400         | 5400     bought 5 for 20
+
+# in this example there are still 4 unsold articles
+
+
+  # search all invoice entries for the part in question, adjusting "allocated"
+  # until the total number of sold parts has been reached
+
+  # ORDER BY trans_id ensures FIFO
+
+
   while (my $ref = $sth->fetchrow_hashref('NAME_lc')) {
     if (($qty = (($ref->{base_qty} * -1) - $ref->{allocated})) > $totalqty) {
       $qty = $totalqty;
     }
 
+    # update allocated in invoice
     $form->update_balance($dbh, "invoice", "allocated", qq|id = $ref->{id}|, $qty);
 
     # total expenses and inventory
     # sellprice is the cost of the item
     my $linetotal = $form->round_amount(($ref->{sellprice} * $qty) / ( ($ref->{price_factor} || 1) * ( $basefactor || 1 )), 2);
 
-    if (!$::lx_office_conf{system}->{eur}) {
+    if ( $::instance_conf->get_inventory_system eq 'perpetual' ) {
+      # Bestandsmethode: when selling parts, deduct their purchase value from the inventory account
       $ref->{expense_accno} = ($form->{"expense_accno_$row"}) ? $form->{"expense_accno_$row"} : $ref->{expense_accno};
       # add to expense
       $form->{amount_cogs}{ $form->{id} }{ $ref->{expense_accno} } += -$linetotal;
@@ -1346,14 +1411,6 @@ sub reverse_invoice {
   my @values = (conv_i($form->{id}));
   do_query($form, $dbh, qq|DELETE FROM acc_trans WHERE trans_id = ?|, @values);
   do_query($form, $dbh, qq|DELETE FROM invoice WHERE trans_id = ?|, @values);
-
-  if ($form->{lizenzen}) {
-    $query =
-      qq|DELETE FROM licenseinvoice
-         WHERE trans_id in (SELECT id FROM invoice WHERE trans_id = ?)|;
-    do_query($form, $dbh, $query, @values);
-  }
-
   do_query($form, $dbh, qq|DELETE FROM shipto WHERE (trans_id = ?) AND (module = 'AR')|, @values);
 
   $main::lxdebug->leave_sub();
@@ -1365,7 +1422,8 @@ sub delete_invoice {
   my ($self, $myconfig, $form) = @_;
 
   # connect to database
-  my $dbh = $form->dbconnect_noauto($myconfig);
+  my $dbh = $form->get_standard_dbh;
+  $dbh->begin_work;
 
   &reverse_invoice($dbh, $form);
 
@@ -1385,17 +1443,18 @@ 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;
-  $dbh->disconnect;
 
   if ($rc) {
     my $spool = $::lx_office_conf{paths}->{spool};
@@ -1417,7 +1476,7 @@ 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
@@ -1448,15 +1507,17 @@ sub retrieve_invoice {
            a.duedate, a.taxincluded, a.curr AS currency, a.shipto_id, a.cp_id,
            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.transaction_description, a.donumber, a.invnumber_for_credit_note,
            a.marge_total, a.marge_percent,
-           e.name AS employee, a.donumber
+           e.name AS employee
          FROM ar a
          LEFT JOIN employee e ON (e.id = a.employee_id)
          WHERE a.id = ?|;
     $ref = selectfirst_hashref_query($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");
 
@@ -1502,7 +1563,7 @@ 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
@@ -1570,12 +1631,6 @@ sub retrieve_invoice {
 
       }
 
-      if ($form->{lizenzen}) {
-        $query = qq|SELECT l.licensenumber, l.id AS licenseid FROM license l, licenseinvoice li WHERE l.id = li.license_id AND li.trans_id = ?|;
-        my ($licensenumber, $licenseid) = selectrow_query($form, $dbh, $query, conv_i($ref->{invoice_pos}));
-        $ref->{lizenzen} = "<option value=\"$licenseid\">$licensenumber</option>";
-      }
-
       $ref->{qty} *= -1 if $form->{type} eq "credit_note";
 
       chop $ref->{taxaccounts};
@@ -1628,7 +1683,8 @@ 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,
          $duedate + COALESCE(pt.terms_netto, 0) AS duedate,
          b.discount AS tradediscount, b.description AS business
        FROM customer c
@@ -1642,6 +1698,12 @@ 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};
+
   $query =
     qq|SELECT sum(amount - paid) AS dunning_amount
        FROM ar
@@ -1745,7 +1807,7 @@ sub retrieve_item {
   my ($self, $myconfig, $form) = @_;
 
   # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
 
   my $i = $form->{rowcount};
 
@@ -1765,6 +1827,12 @@ sub retrieve_item {
     push @values, $form->{"partnumber_$i"};
   }
 
+  # Search for part ID overrides all other criteria.
+  if ($form->{"id_${i}"}) {
+    $where  = qq|p.id = ?|;
+    @values = ($form->{"id_${i}"});
+  }
+
   if ($form->{"description_$i"}) {
     $where .= qq| ORDER BY p.description|;
   } else {
@@ -1830,6 +1898,19 @@ sub retrieve_item {
        WHERE $where|;
   my $sth = prepare_execute_query($form, $dbh, $query, @values);
 
+  my @translation_queries = ( [ qq|SELECT tr.translation, tr.longdescription
+                                   FROM translation tr
+                                   WHERE tr.language_id = ? AND tr.parts_id = ?| ],
+                              [ qq|SELECT tr.translation, tr.longdescription
+                                   FROM translation tr
+                                   WHERE tr.language_id IN
+                                     (SELECT id
+                                      FROM language
+                                      WHERE article_code = (SELECT article_code FROM language WHERE id = ?))
+                                     AND tr.parts_id = ?
+                                   LIMIT 1| ] );
+  map { push @{ $_ }, prepare_query($form, $dbh, $_->[0]) } @translation_queries;
+
   while (my $ref = $sth->fetchrow_hashref('NAME_lc')) {
 
     # In der Buchungsgruppe ist immer ein Bestandskonto verknuepft, auch wenn
@@ -1897,55 +1978,24 @@ sub retrieve_item {
 
     $stw->finish;
     chop $ref->{taxaccounts};
+
     if ($form->{language_id}) {
-      $query =
-        qq|SELECT tr.translation, tr.longdescription
-           FROM translation tr
-           WHERE tr.language_id = ? AND tr.parts_id = ?|;
-      @values = (conv_i($form->{language_id}), conv_i($ref->{id}));
-      my ($translation, $longdescription) = selectrow_query($form, $dbh, $query, @values);
-      if ($translation ne "") {
+      for my $spec (@translation_queries) {
+        do_statement($form, $spec->[1], $spec->[0], conv_i($form->{language_id}), conv_i($ref->{id}));
+        my ($translation, $longdescription) = $spec->[1]->fetchrow_array;
+        next unless $translation;
         $ref->{description} = $translation;
         $ref->{longdescription} = $longdescription;
-
-      } else {
-        $query =
-          qq|SELECT tr.translation, tr.longdescription
-             FROM translation tr
-             WHERE tr.language_id IN
-               (SELECT id
-                FROM language
-                WHERE article_code = (SELECT article_code FROM language WHERE id = ?))
-               AND tr.parts_id = ?
-             LIMIT 1|;
-        @values = (conv_i($form->{language_id}), conv_i($ref->{id}));
-        my ($translation, $longdescription) = selectrow_query($form, $dbh, $query, @values);
-        if ($translation ne "") {
-          $ref->{description} = $translation;
-          $ref->{longdescription} = $longdescription;
-        }
+        last;
       }
     }
 
     $ref->{onhand} *= 1;
 
     push @{ $form->{item_list} }, $ref;
-
-    if ($form->{lizenzen}) {
-      if ($ref->{inventory_accno} > 0) {
-        $query =
-          qq|SELECT l.*
-             FROM license l
-             WHERE l.parts_id = ? AND NOT l.id IN (SELECT li.license_id FROM licenseinvoice li)|;
-        my $stw = prepare_execute_query($form, $dbh, $query, conv_i($ref->{id}));
-        while (my $ptr = $stw->fetchrow_hashref('NAME_lc')) {
-          push @{ $form->{LIZENZEN}{ $ref->{id} } }, $ptr;
-        }
-        $stw->finish;
-      }
-    }
   }
   $sth->finish;
+  $_->[1]->finish for @translation_queries;
 
   foreach my $item (@{ $form->{item_list} }) {
     my $custom_variables = CVar->get_custom_variables(module   => 'IC',
@@ -1956,8 +2006,6 @@ sub retrieve_item {
     map { $item->{"ic_cvar_" . $_->{name} } = $_->{value} } @{ $custom_variables };
   }
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
@@ -1973,7 +2021,7 @@ sub get_pricegroups_for_parts {
 
   my ($self, $myconfig, $form) = @_;
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
 
   $form->{"PRICES"} = {};
 
@@ -1993,7 +2041,7 @@ 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;
@@ -2037,27 +2085,27 @@ sub get_pricegroups_for_parts {
     }
 
     my $query =
-      qq|SELECT
+       qq|SELECT
+            0 as pricegroup_id,
+            sellprice AS default_sellprice,
+            '' AS pricegroup,
+            sellprice AS price,
+            'selected' AS selected
+          FROM parts
+          WHERE id = ?
+          UNION ALL
+          SELECT
            pricegroup_id,
-           (SELECT p.sellprice FROM parts p WHERE p.id = ?) AS default_sellprice,
-           (SELECT pg.pricegroup FROM pricegroup pg WHERE id = pricegroup_id) AS pricegroup,
+           parts.sellprice AS default_sellprice,
+           pricegroup.pricegroup,
            price,
            '' AS selected
           FROM prices
+          LEFT JOIN parts ON parts.id = parts_id
+          LEFT JOIN pricegroup ON pricegroup.id = pricegroup_id
           WHERE parts_id = ?
-
-          UNION
-
-          SELECT
-            0 as pricegroup_id,
-            (SELECT sellprice FROM parts WHERE id = ?) AS default_sellprice,
-            '' AS pricegroup,
-            (SELECT DISTINCT sellprice FROM parts where id = ?) AS price,
-            'selected' AS selected
-          FROM prices
-
           ORDER BY pricegroup|;
-    my @values = (conv_i($id), conv_i($id), conv_i($id), conv_i($id));
+    my @values = (conv_i($id), conv_i($id));
     my $pkq = prepare_execute_query($form, $dbh, $query, @values);
 
     while (my $pkr = $pkq->fetchrow_hashref('NAME_lc')) {
@@ -2071,9 +2119,10 @@ 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 $selectedpricegroup_id) {
         # new entries in article list, either old invoice was loaded (edit) or a new article was added
         # Case A: open old invoice, no pricegroup selected
         # Case B: add new article to invoice, no pricegroup selected
@@ -2085,18 +2134,16 @@ sub get_pricegroups_for_parts {
         if ($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"};
 
@@ -2107,7 +2154,7 @@ 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';
         }
@@ -2121,7 +2168,7 @@ sub get_pricegroups_for_parts {
             $pkr->{selected}  = ' selected';
           }
         } elsif ( ($form->parse_amount($myconfig, $price_new)
-                 != $form->parse_amount($myconfig, $form->{"sellprice_$i"})) 
+                 != $form->parse_amount($myconfig, $form->{"sellprice_$i"}))
                   and ($price_new ne 0) and defined $price_new) {
           # sellprice has changed
           # when loading existing invoices $price_new is NULL
@@ -2149,8 +2196,6 @@ sub get_pricegroups_for_parts {
     $pkq->finish;
   }
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
@@ -2165,13 +2210,11 @@ sub has_storno {
   # ToDO: die when this happens and throw an error
   $main::lxdebug->leave_sub() and return 0 if ($table =~ /\W/);
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
 
   my $query = qq|SELECT storno FROM $table WHERE storno_id = ?|;
   my ($result) = selectrow_query($form, $dbh, $query, $form->{id});
 
-  $dbh->disconnect();
-
   $main::lxdebug->leave_sub();
 
   return $result;
@@ -2188,13 +2231,11 @@ sub is_storno {
   # ToDO: die when this happens and throw an error
   $main::lxdebug->leave_sub() and return 0 if ($table =~ /\W/);
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
 
   my $query = qq|SELECT storno FROM $table WHERE id = ?|;
   my ($result) = selectrow_query($form, $dbh, $query, $id);
 
-  $dbh->disconnect();
-
   $main::lxdebug->leave_sub();
 
   return $result;
@@ -2205,13 +2246,11 @@ sub get_standard_accno_current_assets {
 
   my ($self, $myconfig, $form) = @_;
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = $form->get_standard_dbh;
 
   my $query = qq| SELECT accno FROM chart WHERE id = (SELECT ar_paid_accno_id FROM defaults)|;
   my ($result) = selectrow_query($form, $dbh, $query);
 
-  $dbh->disconnect();
-
   $main::lxdebug->leave_sub();
 
   return $result;