X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FAM.pm;h=e0caa823e46fb08eee7116661446c487e7d66e24;hb=db4680753f5ec1de62bdc0557f850afd810444d1;hp=a2b6ff9bc0fe48e30aa9fe01e2321dbd5f442bfd;hpb=468e86a69732eb57bd0a358ddecb6f80b8fb6b31;p=kivitendo-erp.git

diff --git a/SL/AM.pm b/SL/AM.pm
index a2b6ff9bc..e0caa823e 100644
--- a/SL/AM.pm
+++ b/SL/AM.pm
@@ -25,7 +25,8 @@
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1335, USA.
 #======================================================================
 #
 # Administration module
@@ -37,201 +38,180 @@
 
 package AM;
 
+use Carp;
 use Data::Dumper;
+use Encode;
+use List::MoreUtils qw(any);
 use SL::DBUtils;
+use SL::DB::AuthUser;
+use SL::DB::Default;
+use SL::DB::Employee;
+use SL::DB::Chart;
+use SL::DB;
+use SL::GenericTranslations;
+
+use strict;
 
 sub get_account {
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-  my $query = qq{
-    SELECT c.accno, c.description, c.charttype, c.category,
-      c.link, c.pos_bilanz, c.pos_eur, c.new_chart_id, c.valid_from,
-      c.pos_bwa, datevautomatik,
-      tk.taxkey_id, tk.pos_ustva, tk.tax_id,
-      tk.tax_id || '--' || tk.taxkey_id AS tax, tk.startdate
-    FROM chart c
-    LEFT JOIN taxkeys tk
-    ON (c.id=tk.chart_id AND tk.id =
-      (SELECT id FROM taxkeys
-       WHERE taxkeys.chart_id = c.id AND startdate <= current_date
-       ORDER BY startdate DESC LIMIT 1))
-    WHERE c.id = ?
-    };
-
-
-  $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-  my $sth = $dbh->prepare($query);
-  $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
-
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
-
-  foreach my $key (keys %$ref) {
-    $form->{"$key"} = $ref->{"$key"};
-  }
+  # fetch chart-related data and set form fields
+  # get_account is called by add_account in am.pl
+  # always sets $form->{TAXKEY} and default_accounts
+  # loads chart data when $form->{id} is passed
 
-  $sth->finish;
+  my ($self, $myconfig, $form) = @_;
 
   # get default accounts
-  $query = qq|SELECT inventory_accno_id, income_accno_id, expense_accno_id
-              FROM defaults|;
-  $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-
-  $ref = $sth->fetchrow_hashref(NAME_lc);
-
-  map { $form->{$_} = $ref->{$_} } keys %ref;
-
-  $sth->finish;
-
-
-
-  # get taxkeys and description
-  $query = qq{
-    SELECT
-      id,
-      (SELECT accno FROM chart WHERE id=tax.chart_id) AS chart_accno,
-      taxkey,
-      id||'--'||taxkey AS tax,
-      taxdescription,
-      rate
-    FROM tax ORDER BY taxkey
-  };
-  $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
+  map { $form->{$_} = $::instance_conf->{$_} } qw(inventory_accno_id income_accno_id expense_accno_id);
 
+  require SL::DB::Tax;
+  my $taxes = SL::DB::Manager::Tax->get_all( with_objects => ['chart'] , sort_by => 'taxkey' );
   $form->{TAXKEY} = [];
+  foreach my $tk ( @{$taxes} ) {
+    push @{ $form->{TAXKEY} },  { id          => $tk->id,
+                                  chart_accno => $tk->chart_id ? $tk->chart->accno : undef,
+                                  taxkey      => $tk->taxkey,
+                                  tax         => $tk->id . '--' . $tk->taxkey,
+                                  rate        => $tk->rate
+                                };
+  };
 
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push @{ $form->{TAXKEY} }, $ref;
-  }
-
-  $sth->finish;
   if ($form->{id}) {
-    # get new accounts
-    $query = qq|SELECT id, accno,description
-                FROM chart
-                WHERE link = ?
-                ORDER BY accno|;
-    $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-    $sth = $dbh->prepare($query);
-    $sth->execute($form->{link}) || $form->dberror($query . " ($form->{link})");
 
-    $form->{NEWACCOUNT} = [];
-    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-      push @{ $form->{NEWACCOUNT} }, $ref;
+    my $chart_obj = SL::DB::Manager::Chart->find_by(id => $form->{id}) || die "Can't open chart";
+
+    my @chart_fields = qw(accno description charttype category link pos_bilanz
+                          pos_eur pos_er new_chart_id valid_from pos_bwa datevautomatik);
+    foreach my $cf ( @chart_fields ) {
+      $form->{"$cf"} = $chart_obj->$cf;
     }
 
-    $sth->finish;
+    my $active_taxkey = $chart_obj->get_active_taxkey;
+    $form->{$_}  = $active_taxkey->$_ foreach qw(taxkey_id pos_ustva tax_id startdate);
+    $form->{tax} = $active_taxkey->tax_id . '--' . $active_taxkey->taxkey_id;
 
-    # get the taxkeys of account
-
-    $query = qq{
-      SELECT
-        tk.id,
-        tk.chart_id,
-        c.accno,
-        tk.tax_id,
-        t.taxdescription,
-        t.rate,
-        tk.taxkey_id,
-        tk.pos_ustva,
-        tk.startdate
-      FROM taxkeys tk
-      LEFT JOIN   tax t ON (t.id = tk.tax_id)
-      LEFT JOIN chart c ON (c.id = t.chart_id)
-
-      WHERE tk.chart_id = ?
-      ORDER BY startdate DESC
-    };
-    $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-    $sth = $dbh->prepare($query);
+    # check if there are any transactions for this chart
+    $form->{orphaned} = $chart_obj->has_transaction ? 0 : 1;
 
-    $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
+    # check if new account is active
+    # The old sql query was broken since at least 2006 and always returned 0
+    $form->{new_chart_valid} = $chart_obj->new_chart_valid;
 
+    # get the taxkeys of the account
     $form->{ACCOUNT_TAXKEYS} = [];
-
-    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-      push @{ $form->{ACCOUNT_TAXKEYS} }, $ref;
+    foreach my $taxkey ( @{ $chart_obj->taxkeys } ) {
+      push @{ $form->{ACCOUNT_TAXKEYS} }, { id             => $taxkey->id,
+                                            chart_id       => $taxkey->chart_id,
+                                            tax_id         => $taxkey->tax_id,
+                                            taxkey_id      => $taxkey->taxkey_id,
+                                            pos_ustva      => $taxkey->pos_ustva,
+                                            startdate      => $taxkey->startdate->to_kivitendo,
+                                            taxdescription => $taxkey->tax->taxdescription,
+                                            rate           => $taxkey->tax->rate,
+                                            accno          => defined $taxkey->tax->chart_id ? $taxkey->tax->chart->accno : undef,
+                                          };
     }
 
-    $sth->finish;
-
-  }
-  # check if we have any transactions
-  $query = qq|SELECT a.trans_id FROM acc_trans a
-              WHERE a.chart_id = ?|;
-  $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-  $sth = $dbh->prepare($query);
-  $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
-
-  ($form->{orphaned}) = $sth->fetchrow_array;
-  $form->{orphaned} = !$form->{orphaned};
-  $sth->finish;
-
-  # check if new account is active
-  $form->{new_chart_valid} = 0;
-  if ($form->{new_chart_id}) {
-    $query = qq|SELECT current_date-valid_from FROM chart
-                WHERE id = ?|;
-    $main::lxdebug->message(LXDebug::QUERY, "\$query=\n $query");
-    my ($count) = selectrow_query($form, $dbh, $query, $form->{id});
-    if ($count >=0) {
-      $form->{new_chart_valid} = 1;
-    }
-    $sth->finish;
-  }
+    # get new accounts (Folgekonto). Find all charts with the same link
+    $form->{NEWACCOUNT} = $chart_obj->db->dbh->selectall_arrayref('select id, accno,description from chart where link = ? order by accno', {Slice => {}}, $chart_obj->link);
 
-  $dbh->disconnect;
+  } else { # set to orphaned for new charts, so chart_type can be changed (needed by $AccountIsPosted)
+    $form->{orphaned} = 1;
+  };
 
   $main::lxdebug->leave_sub();
 }
 
 sub save_account {
+  my ($self, $myconfig, $form) = @_;
   $main::lxdebug->enter_sub();
 
+  my $rc = SL::DB->client->with_transaction(\&_save_account, $self, $myconfig, $form);
+
+  $::lxdebug->leave_sub;
+  return $rc;
+}
+
+sub _save_account {
+  # TODO: it should be forbidden to change an account to a heading if there
+  # have been bookings to this account in the past
+
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database, turn off AutoCommit
-  my $dbh = $form->dbconnect_noauto($myconfig);
+  my $dbh = SL::DB->client->dbh;
+
+  for (qw(AR_include_in_dropdown AP_include_in_dropdown summary_account)) {
+    $form->{$form->{$_}} = $form->{$_} if $form->{$_};
+  }
 
   # sanity check, can't have AR with AR_...
   if ($form->{AR} || $form->{AP} || $form->{IC}) {
-    map { delete $form->{$_} }
-      qw(AR_amount AR_tax AR_paid AP_amount AP_tax AP_paid IC_sale IC_cogs IC_taxpart IC_income IC_expense IC_taxservice CT_tax);
+    if (any { $form->{$_} } qw(AR_amount AR_tax AR_paid AP_amount AP_tax AP_paid IC_sale IC_cogs IC_taxpart IC_income IC_expense IC_taxservice)) {
+      $form->error($::locale->text('It is not allowed that a summary account occurs in a drop-down menu!'));
+    }
   }
 
-  $form->{link} = "";
-  foreach my $item ($form->{AR},            $form->{AR_amount},
-                    $form->{AR_tax},        $form->{AR_paid},
-                    $form->{AP},            $form->{AP_amount},
-                    $form->{AP_tax},        $form->{AP_paid},
-                    $form->{IC},            $form->{IC_sale},
-                    $form->{IC_cogs},       $form->{IC_taxpart},
-                    $form->{IC_income},     $form->{IC_expense},
-                    $form->{IC_taxservice}, $form->{CT_tax}
-    ) {
-    $form->{link} .= "${item}:" if ($item);
-  }
-  chop $form->{link};
+  my @link_order = qw(AR AR_amount AR_tax AR_paid AP AP_amount AP_tax AP_paid IC IC_sale IC_cogs IC_taxpart IC_income IC_expense IC_taxservice);
+  $form->{link} = join ':', grep $_, map $form->{$_}, @link_order;
 
   # strip blanks from accno
   map { $form->{$_} =~ s/ //g; } qw(accno);
 
+  # collapse multiple (horizontal) whitespace in chart description (Ticket 148)
+  map { $form->{$_} =~ s/\h+/ /g } qw(description);
+
   my ($query, $sth);
 
   if ($form->{id} eq "NULL") {
     $form->{id} = "";
   }
 
-  my @values;
+  $query = '
+    SELECT accno
+    FROM chart
+    WHERE accno = ?';
+
+  my @values = ($form->{accno});
+
+  if ( $form->{id} ) {
+    $query .= ' AND NOT id = ?';
+    push(@values, $form->{id});
+  }
+
+  my ($accno) = selectrow_query($form, $dbh, $query, @values);
+
+  if ($accno) {
+    $form->error($::locale->text('Account number not unique!'));
+  }
+
+
+  if (!$form->{id} || $form->{id} eq "") {
+    $query = qq|SELECT nextval('id')|;
+    ($form->{"id"}) = selectrow_query($form, $dbh, $query);
+    $query = qq|INSERT INTO chart (id, accno, link) VALUES (?, ?, ?)|;
+    do_query($form, $dbh, $query, $form->{"id"}, $form->{"accno"}, '');
+  }
+
+  @values = ();
+
 
   if ($form->{id}) {
+
+    # if charttype is heading make sure certain values are empty
+    # specifically, if charttype is changed from an existing account, empty the
+    # fields unnecessary for headings, so that e.g. heading doesn't appear in
+    # drop-down menues due to still having a valid "link" entry
+
+    if ( $form->{charttype} eq 'H' ) {
+      $form->{link} = '';
+      $form->{pos_bwa} = '';
+      $form->{pos_bilanz} = '';
+      $form->{pos_eur} = '';
+      $form->{new_chart_id} = '';
+      $form->{valid_from} = '';
+    };
+
     $query = qq|UPDATE chart SET
                   accno = ?,
                   description = ?,
@@ -241,6 +221,7 @@ sub save_account {
                   pos_bwa   = ?,
                   pos_bilanz = ?,
                   pos_eur = ?,
+                  pos_er = ?,
                   new_chart_id = ?,
                   valid_from = ?,
                   datevautomatik = ?
@@ -255,57 +236,13 @@ sub save_account {
                   conv_i($form->{pos_bwa}),
                   conv_i($form->{pos_bilanz}),
                   conv_i($form->{pos_eur}),
+                  conv_i($form->{pos_er}),
                   conv_i($form->{new_chart_id}),
                   conv_date($form->{valid_from}),
                   ($form->{datevautomatik} eq 'T') ? 'true':'false',
                 $form->{id},
     );
 
-  }
-  elsif ($form->{id} && !$form->{new_chart_valid}) {
-
-    $query = qq|
-                  UPDATE chart
-                  SET new_chart_id = ?,
-                  valid_from = ?
-                  WHERE id = ?
-             |;
-
-    @values = (
-                  conv_i($form->{new_chart_id}),
-                  conv_date($form->{valid_from}),
-                  $form->{id}
-              );
-  }
-  else {
-
-    $query = qq|
-                  INSERT INTO chart (
-                      accno,
-                      description,
-                      charttype,
-                      category,
-                      link,
-                      pos_bwa,
-                      pos_bilanz,
-                      pos_eur,
-                      new_chart_id,
-                      valid_from,
-                      datevautomatik )
-                  VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-             |;
-
-    @values = (
-                      $form->{accno},
-                      $form->{description},
-                      $form->{charttype},
-                      $form->{category}, $form->{link},
-                      conv_i($form->{pos_bwa}),
-                      conv_i($form->{pos_bilanz}), conv_i($form->{pos_eur}),
-                      conv_i($form->{new_chart_id}),
-                      conv_date($form->{valid_from}),
-                      ($form->{datevautomatik} eq 'T') ? 'true':'false',
-              );
 
   }
 
@@ -324,6 +261,9 @@ sub save_account {
     # Loop control
 
     # Check if the account already exists, else cancel
+
+    print(STDERR "Keine Taxkeys weil ID =: $form->{id}\n");
+
     last READTAXKEYS if ( $form->{'id'} == 0);
 
     # check if there is a startdate
@@ -410,30 +350,44 @@ sub save_account {
 
   }
 
-  # commit
-  my $rc = $dbh->commit;
-  $dbh->disconnect;
+  # Update chart.taxkey_id to the latest from taxkeys for this chart.
+  $query = <<SQL;
+    UPDATE chart
+    SET taxkey_id = (
+      SELECT taxkey_id
+      FROM taxkeys
+      WHERE taxkeys.chart_id = chart.id
+      ORDER BY startdate DESC
+      LIMIT 1
+    )
+    WHERE id = ?
+SQL
 
-  $main::lxdebug->leave_sub();
+  do_query($form, $dbh, $query, $form->{id});
 
-  return $rc;
+  return 1;
 }
 
 sub delete_account {
+  my ($self, $myconfig, $form) = @_;
   $main::lxdebug->enter_sub();
 
+  my $rc = SL::DB->client->with_transaction(\&_delete_account, $self, $myconfig, $form);
+
+  $::lxdebug->leave_sub;
+  return $rc;
+}
+
+sub _delete_account {
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database, turn off AutoCommit
-  my $dbh = $form->dbconnect_noauto($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   my $query = qq|SELECT count(*) FROM acc_trans a
                  WHERE a.chart_id = ?|;
   my ($count) = selectrow_query($form, $dbh, $query, $form->{id});
 
   if ($count) {
-    $dbh->disconnect;
-    $main::lxdebug->leave_sub();
     return;
   }
 
@@ -446,15 +400,8 @@ sub delete_account {
     do_query($form, $dbh, $query, $form->{id});
   }
 
-  foreach my $table (qw(partstax customertax vendortax tax)) {
-    $query = qq|DELETE FROM $table
-                WHERE chart_id = ?|;
-    do_query($form, $dbh, $query, $form->{id});
-  }
-
-  # delete chart of account record
-  $query = qq|DELETE FROM chart
-              WHERE id = ?|;
+  $query = qq|DELETE FROM tax
+              WHERE chart_id = ?|;
   do_query($form, $dbh, $query, $form->{id});
 
   # delete account taxkeys
@@ -462,965 +409,268 @@ sub delete_account {
               WHERE chart_id = ?|;
   do_query($form, $dbh, $query, $form->{id});
 
-  # commit and redirect
-  my $rc = $dbh->commit;
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
+  # delete chart of account record
+  # last step delete chart, because we have a constraint
+  # to taxkeys
+  $query = qq|DELETE FROM chart
+              WHERE id = ?|;
+  do_query($form, $dbh, $query, $form->{id});
 
-  return $rc;
+  return 1;
 }
 
-sub departments {
+sub lead {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
-  my $query = qq|SELECT d.id, d.description, d.role
-                 FROM department d
+  my $query = qq|SELECT id, lead
+                 FROM leads
                  ORDER BY 2|;
 
-  $sth = $dbh->prepare($query);
+  my $sth = $dbh->prepare($query);
   $sth->execute || $form->dberror($query);
 
-  $form->{ALL} = [];
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+  while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
     push @{ $form->{ALL} }, $ref;
   }
 
   $sth->finish;
-  $dbh->disconnect;
 
   $main::lxdebug->leave_sub();
 }
 
-sub get_department {
+sub get_lead {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
-  my $query = qq|SELECT d.description, d.role
-                 FROM department d
-                 WHERE d.id = ?|;
+  my $query =
+    qq|SELECT l.id, l.lead | .
+    qq|FROM leads l | .
+    qq|WHERE l.id = ?|;
   my $sth = $dbh->prepare($query);
   $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
 
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
+  my $ref = $sth->fetchrow_hashref("NAME_lc");
 
   map { $form->{$_} = $ref->{$_} } keys %$ref;
 
   $sth->finish;
 
-  # see if it is in use
-  $query = qq|SELECT count(*) FROM dpt_trans d
-              WHERE d.department_id = ?|;
-  ($form->{orphaned}) = selectrow_query($form, $dbh, $query, $form->{id});
-
-  $form->{orphaned} = !$form->{orphaned};
-  $sth->finish;
-
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
-sub save_department {
+sub save_lead {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
+  my ($query);
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
-  my @values = ($form->{description}, $form->{role});
+  my @values = ($form->{description});
+  # id is the old record
   if ($form->{id}) {
-    $query = qq|UPDATE department SET
-                description = ?, role = ?
+    $query = qq|UPDATE leads SET
+                lead = ?
                 WHERE id = ?|;
     push(@values, $form->{id});
   } else {
-    $query = qq|INSERT INTO department
-                (description, role)
-                VALUES (?, ?)|;
+    $query = qq|INSERT INTO leads
+                (lead)
+                VALUES (?)|;
   }
   do_query($form, $dbh, $query, @values);
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
-sub delete_department {
+sub delete_lead {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
+  my ($query);
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  $query = qq|DELETE FROM department
-              WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{id});
-
-  $dbh->disconnect;
+  SL::DB->client->with_transaction(sub {
+    $query = qq|DELETE FROM leads WHERE id = ?|;
+    do_query($form, SL::DB->client->dbh, $query, $form->{id});
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
 
-sub lead {
+sub language {
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form) = @_;
+  my ($self, $myconfig, $form, $return_list) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
-  my $query = qq|SELECT id, lead
-                 FROM leads
-                 ORDER BY 2|;
+  my $query =
+    "SELECT id, description, template_code, article_code, " .
+    "  output_numberformat, output_dateformat, output_longdates " .
+    "FROM language ORDER BY description";
 
-  $sth = $dbh->prepare($query);
+  my $sth = $dbh->prepare($query);
   $sth->execute || $form->dberror($query);
 
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push @{ $form->{ALL} }, $ref;
+  my $ary = [];
+
+  while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
+    push(@{ $ary }, $ref);
   }
 
   $sth->finish;
-  $dbh->disconnect;
 
   $main::lxdebug->leave_sub();
+
+  if ($return_list) {
+    return @{$ary};
+  } else {
+    $form->{ALL} = $ary;
+  }
 }
 
-sub get_lead {
+sub get_language {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   my $query =
-    qq|SELECT l.id, l.lead | .
-    qq|FROM leads l | .
-    qq|WHERE l.id = ?|;
+    "SELECT description, template_code, article_code, " .
+    "  output_numberformat, output_dateformat, output_longdates " .
+    "FROM language WHERE id = ?";
   my $sth = $dbh->prepare($query);
-  $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
+  $sth->execute($form->{"id"}) || $form->dberror($query . " ($form->{id})");
 
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
+  my $ref = $sth->fetchrow_hashref("NAME_lc");
 
   map { $form->{$_} = $ref->{$_} } keys %$ref;
 
   $sth->finish;
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
-sub save_lead {
+sub get_language_details {
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my ($self, $myconfig, $form, $id) = @_;
 
-  my @values = ($form->{description});
-  # id is the old record
-  if ($form->{id}) {
-    $query = qq|UPDATE leads SET
-                lead = ?
-                WHERE id = ?|;
-    puhs(@values, $form->{id});
-  } else {
-    $query = qq|INSERT INTO leads
-                (lead)
-                VALUES (?)|;
-  }
-  do_query($form, $dbh, $query, @values);
+  my $dbh = SL::DB->client->dbh;
 
-  $dbh->disconnect;
+  my $query =
+    "SELECT template_code, " .
+    "  output_numberformat, output_dateformat, output_longdates " .
+    "FROM language WHERE id = ?";
+  my @res = selectrow_query($form, $dbh, $query, $id);
 
   $main::lxdebug->leave_sub();
+
+  return @res;
 }
 
-sub delete_lead {
+sub save_language {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  $query = qq|DELETE FROM leads
-              WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{id});
-
-  $dbh->disconnect;
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
+    my (@values, $query);
+
+    map({ push(@values, $form->{$_}); }
+        qw(description template_code article_code
+           output_numberformat output_dateformat output_longdates));
+
+    # id is the old record
+    if ($form->{id}) {
+      $query =
+        "UPDATE language SET " .
+        "  description = ?, template_code = ?, article_code = ?, " .
+        "  output_numberformat = ?, output_dateformat = ?, " .
+        "  output_longdates = ? " .
+        "WHERE id = ?";
+      push(@values, $form->{id});
+    } else {
+      $query =
+        "INSERT INTO language (" .
+        "  description, template_code, article_code, " .
+        "  output_numberformat, output_dateformat, output_longdates" .
+        ") VALUES (?, ?, ?, ?, ?, ?)";
+    }
+    do_query($form, $dbh, $query, @values);
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
 
-sub business {
+sub delete_language {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
+  my $query;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query = qq|SELECT id, description, discount, customernumberinit
-                 FROM business
-                 ORDER BY 2|;
-
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
 
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push @{ $form->{ALL} }, $ref;
-  }
+    foreach my $table (qw(generic_translations units_language)) {
+      $query = qq|DELETE FROM $table WHERE language_id = ?|;
+      do_query($form, $dbh, $query, $form->{"id"});
+    }
 
-  $sth->finish;
-  $dbh->disconnect;
+    $query = "DELETE FROM language WHERE id = ?";
+    do_query($form, $dbh, $query, $form->{"id"});
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
 
-sub get_business {
+sub prepare_template_filename {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my ($filename, $display_filename);
 
-  my $query =
-    qq|SELECT b.description, b.discount, b.customernumberinit
-       FROM business b
-       WHERE b.id = ?|;
-  my $sth = $dbh->prepare($query);
-  $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
+  if ($form->{type} eq "stylesheet") {
+    $filename = "css/$myconfig->{stylesheet}";
+    $display_filename = $myconfig->{stylesheet};
 
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
+  } else {
+    $filename = $form->{formname};
 
-  map { $form->{$_} = $ref->{$_} } keys %$ref;
+    if ($form->{language}) {
+      my ($id, $template_code) = split(/--/, $form->{language});
+      $filename .= "_${template_code}";
+    }
 
-  $sth->finish;
+    if ($form->{printer}) {
+      my ($id, $template_code) = split(/--/, $form->{printer});
+      $filename .= "_${template_code}";
+    }
 
-  $dbh->disconnect;
+    $filename .= "." . ($form->{format} eq "html" ? "html" : "tex");
+    if ($form->{"formname"} =~ m|\.\.| || $form->{"formname"} =~ m|^/|) {
+      $filename =~ s|.*/||;
+    }
+    $display_filename = $filename;
+    $filename = SL::DB::Default->get->templates . "/$filename";
+  }
 
   $main::lxdebug->leave_sub();
-}
-
-sub save_business {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my @values = ($form->{description}, $form->{discount},
-                $form->{customernumberinit});
-  # id is the old record
-  if ($form->{id}) {
-    $query = qq|UPDATE business SET
-                description = ?,
-                discount = ?,
-                customernumberinit = ?
-                WHERE id = ?|;
-    push(@values, $form->{id});
-  } else {
-    $query = qq|INSERT INTO business
-                (description, discount, customernumberinit)
-                VALUES (?, ?, ?)|;
-  }
-  do_query($form, $dbh, $query, @values);
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub delete_business {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  $query = qq|DELETE FROM business
-              WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{id});
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-
-sub language {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form, $return_list) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query =
-    "SELECT id, description, template_code, article_code, " .
-    "  output_numberformat, output_dateformat, output_longdates " .
-    "FROM language ORDER BY description";
-
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-
-  my $ary = [];
-
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push(@{ $ary }, $ref);
-  }
-
-  $sth->finish;
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-
-  if ($return_list) {
-    return @{$ary};
-  } else {
-    $form->{ALL} = $ary;
-  }
-}
-
-sub get_language {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query =
-    "SELECT description, template_code, article_code, " .
-    "  output_numberformat, output_dateformat, output_longdates " .
-    "FROM language WHERE id = ?";
-  my $sth = $dbh->prepare($query);
-  $sth->execute($form->{"id"}) || $form->dberror($query . " ($form->{id})");
-
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
-
-  map { $form->{$_} = $ref->{$_} } keys %$ref;
-
-  $sth->finish;
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub get_language_details {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form, $id) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query =
-    "SELECT template_code, " .
-    "  output_numberformat, output_dateformat, output_longdates " .
-    "FROM language WHERE id = ?";
-  my @res = selectrow_query($form, $dbh, $query, $id);
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-
-  return @res;
-}
-
-sub save_language {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-  my (@values, $query);
-
-  map({ push(@values, $form->{$_}); }
-      qw(description template_code article_code
-         output_numberformat output_dateformat output_longdates));
-
-  # id is the old record
-  if ($form->{id}) {
-    $query =
-      "UPDATE language SET " .
-      "  description = ?, template_code = ?, article_code = ?, " .
-      "  output_numberformat = ?, output_dateformat = ?, " .
-      "  output_longdates = ? " .
-      "WHERE id = ?";
-    push(@values, $form->{id});
-  } else {
-    $query =
-      "INSERT INTO language (" .
-      "  description, template_code, article_code, " .
-      "  output_numberformat, output_dateformat, output_longdates" .
-      ") VALUES (?, ?, ?, ?, ?, ?)";
-  }
-  do_query($form, $dbh, $query, @values);
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub delete_language {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect_noauto($myconfig);
-
-  foreach my $table (qw(translation_payment_terms units_language)) {
-    my $query = qq|DELETE FROM $table WHERE language_id = ?|;
-    do_query($form, $dbh, $query, $form->{"id"});
-  }
-
-  $query = "DELETE FROM language WHERE id = ?";
-  do_query($form, $dbh, $query, $form->{"id"});
-
-  $dbh->commit();
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-
-sub buchungsgruppe {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query = qq|SELECT id, description,
-                 inventory_accno_id,
-                 (SELECT accno FROM chart WHERE id = inventory_accno_id) AS inventory_accno,
-                 income_accno_id_0,
-                 (SELECT accno FROM chart WHERE id = income_accno_id_0) AS income_accno_0,
-                 expense_accno_id_0,
-                 (SELECT accno FROM chart WHERE id = expense_accno_id_0) AS expense_accno_0,
-                 income_accno_id_1,
-                 (SELECT accno FROM chart WHERE id = income_accno_id_1) AS income_accno_1,
-                 expense_accno_id_1,
-                 (SELECT accno FROM chart WHERE id = expense_accno_id_1) AS expense_accno_1,
-                 income_accno_id_2,
-                 (SELECT accno FROM chart WHERE id = income_accno_id_2) AS income_accno_2,
-                 expense_accno_id_2,
-                 (select accno FROM chart WHERE id = expense_accno_id_2) AS expense_accno_2,
-                 income_accno_id_3,
-                 (SELECT accno FROM chart WHERE id = income_accno_id_3) AS income_accno_3,
-                 expense_accno_id_3,
-                 (SELECT accno FROM chart WHERE id = expense_accno_id_3) AS expense_accno_3
-                 FROM buchungsgruppen
-                 ORDER BY sortkey|;
-
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-
-  $form->{ALL} = [];
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push @{ $form->{ALL} }, $ref;
-  }
-
-  $sth->finish;
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub get_buchungsgruppe {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-  my $query;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  if ($form->{id}) {
-    $query =
-      qq|SELECT description, inventory_accno_id,
-         (SELECT accno FROM chart WHERE id = inventory_accno_id) AS inventory_accno,
-         income_accno_id_0,
-         (SELECT accno FROM chart WHERE id = income_accno_id_0) AS income_accno_0,
-         expense_accno_id_0,
-         (SELECT accno FROM chart WHERE id = expense_accno_id_0) AS expense_accno_0,
-         income_accno_id_1,
-         (SELECT accno FROM chart WHERE id = income_accno_id_1) AS income_accno_1,
-         expense_accno_id_1,
-         (SELECT accno FROM chart WHERE id = expense_accno_id_1) AS expense_accno_1,
-         income_accno_id_2,
-         (SELECT accno FROM chart WHERE id = income_accno_id_2) AS income_accno_2,
-         expense_accno_id_2,
-         (select accno FROM chart WHERE id = expense_accno_id_2) AS expense_accno_2,
-         income_accno_id_3,
-         (SELECT accno FROM chart WHERE id = income_accno_id_3) AS income_accno_3,
-         expense_accno_id_3,
-         (SELECT accno FROM chart WHERE id = expense_accno_id_3) AS expense_accno_3
-         FROM buchungsgruppen
-         WHERE id = ?|;
-    my $sth = $dbh->prepare($query);
-    $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
-
-    my $ref = $sth->fetchrow_hashref(NAME_lc);
-
-    map { $form->{$_} = $ref->{$_} } keys %$ref;
-
-    $sth->finish;
-
-    $query =
-      qq|SELECT count(id) = 0 AS orphaned
-         FROM parts
-         WHERE buchungsgruppen_id = ?|;
-    ($form->{orphaned}) = selectrow_query($form, $dbh, $query, $form->{id});
-  }
-
-  $query = "SELECT inventory_accno_id, income_accno_id, expense_accno_id ".
-    "FROM defaults";
-  ($form->{"std_inventory_accno_id"}, $form->{"std_income_accno_id"},
-   $form->{"std_expense_accno_id"}) = selectrow_query($form, $dbh, $query);
-
-  my $module = "IC";
-  $query = qq|SELECT c.accno, c.description, c.link, c.id,
-              d.inventory_accno_id, d.income_accno_id, d.expense_accno_id
-              FROM chart c, defaults d
-              WHERE c.link LIKE '%$module%'
-              ORDER BY c.accno|;
-
-
-  my $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    foreach my $key (split(/:/, $ref->{link})) {
-      if (!$form->{"std_inventory_accno_id"} && ($key eq "IC")) {
-        $form->{"std_inventory_accno_id"} = $ref->{"id"};
-      }
-      if ($key =~ /$module/) {
-        if (   ($ref->{id} eq $ref->{inventory_accno_id})
-            || ($ref->{id} eq $ref->{income_accno_id})
-            || ($ref->{id} eq $ref->{expense_accno_id})) {
-          push @{ $form->{"${module}_links"}{$key} },
-            { accno       => $ref->{accno},
-              description => $ref->{description},
-              selected    => "selected",
-              id          => $ref->{id} };
-        } else {
-          push @{ $form->{"${module}_links"}{$key} },
-            { accno       => $ref->{accno},
-              description => $ref->{description},
-              selected    => "",
-              id          => $ref->{id} };
-        }
-      }
-    }
-  }
-  $sth->finish;
-
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub save_buchungsgruppe {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my @values = ($form->{description}, $form->{inventory_accno_id},
-                $form->{income_accno_id_0}, $form->{expense_accno_id_0},
-                $form->{income_accno_id_1}, $form->{expense_accno_id_1},
-                $form->{income_accno_id_2}, $form->{expense_accno_id_2},
-                $form->{income_accno_id_3}, $form->{expense_accno_id_3});
-
-  my $query;
-
-  # id is the old record
-  if ($form->{id}) {
-    $query = qq|UPDATE buchungsgruppen SET
-                description = ?, inventory_accno_id = ?,
-                income_accno_id_0 = ?, expense_accno_id_0 = ?,
-                income_accno_id_1 = ?, expense_accno_id_1 = ?,
-                income_accno_id_2 = ?, expense_accno_id_2 = ?,
-                income_accno_id_3 = ?, expense_accno_id_3 = ?
-                WHERE id = ?|;
-    push(@values, $form->{id});
-  } else {
-    $query = qq|SELECT COALESCE(MAX(sortkey) + 1, 1) FROM buchungsgruppen|;
-    my ($sortkey) = $dbh->selectrow_array($query);
-    $form->dberror($query) if ($dbh->err);
-    push(@values, $sortkey);
-    $query = qq|INSERT INTO buchungsgruppen
-                (description, inventory_accno_id,
-                income_accno_id_0, expense_accno_id_0,
-                income_accno_id_1, expense_accno_id_1,
-                income_accno_id_2, expense_accno_id_2,
-                income_accno_id_3, expense_accno_id_3,
-                sortkey)
-                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)|;
-  }
-  do_query($form, $dbh, $query, @values);
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub delete_buchungsgruppe {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  $query = qq|DELETE FROM buchungsgruppen WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{id});
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub swap_sortkeys {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form, $table) = @_;
-
-  # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
-
-  my $query =
-    qq|SELECT
-       (SELECT sortkey FROM $table WHERE id = ?) AS sortkey1,
-       (SELECT sortkey FROM $table WHERE id = ?) AS sortkey2|;
-  my @values   = ($form->{"id1"}, $form->{"id2"});
-  my @sortkeys = selectrow_query($form, $dbh, $query, @values);
-
-  $query  = qq|UPDATE $table SET sortkey = ? WHERE id = ?|;
-  my $sth = prepare_query($form, $dbh, $query);
-
-  do_statement($form, $sth, $query, $sortkeys[1], $form->{"id1"});
-  do_statement($form, $sth, $query, $sortkeys[0], $form->{"id2"});
-
-  $sth->finish();
-
-  $dbh->commit();
-
-  $main::lxdebug->leave_sub();
-}
-
-sub printer {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query = qq|SELECT id, printer_description, template_code, printer_command
-                 FROM printers
-                 ORDER BY 2|;
-
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-
-  $form->{"ALL"} = [];
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push @{ $form->{ALL} }, $ref;
-  }
-
-  $sth->finish;
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub get_printer {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query =
-    qq|SELECT p.printer_description, p.template_code, p.printer_command
-       FROM printers p
-       WHERE p.id = ?|;
-  my $sth = $dbh->prepare($query);
-  $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
-
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
-
-  map { $form->{$_} = $ref->{$_} } keys %$ref;
-
-  $sth->finish;
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub save_printer {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my @values = ($form->{printer_description},
-                $form->{template_code},
-                $form->{printer_command});
-
-  # id is the old record
-  if ($form->{id}) {
-    $query = qq|UPDATE printers SET
-                printer_description = ?, template_code = ?, printer_command = ?
-                WHERE id = ?|;
-    push(@values, $form->{id});
-  } else {
-    $query = qq|INSERT INTO printers
-                (printer_description, template_code, printer_command)
-                VALUES (?, ?, ?)|;
-  }
-  do_query($form, $dbh, $query, @values);
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub delete_printer {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  $query = qq|DELETE FROM printers
-              WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{id});
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub payment {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query = qq|SELECT * FROM payment_terms ORDER BY sortkey|;
-
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-
-  $form->{ALL} = [];
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    push @{ $form->{ALL} }, $ref;
-  }
-
-  $sth->finish;
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub get_payment {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  my $query = qq|SELECT * FROM payment_terms WHERE id = ?|;
-  my $sth = $dbh->prepare($query);
-  $sth->execute($form->{"id"}) || $form->dberror($query . " ($form->{id})");
-
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
-  map { $form->{$_} = $ref->{$_} } keys %$ref;
-  $sth->finish();
-
-  $query =
-    qq|SELECT t.language_id, t.description_long, l.description AS language | .
-    qq|FROM translation_payment_terms t | .
-    qq|LEFT JOIN language l ON t.language_id = l.id | .
-    qq|WHERE t.payment_terms_id = ? | .
-    qq|UNION | .
-    qq|SELECT l.id AS language_id, NULL AS description_long, | .
-    qq|  l.description AS language | .
-    qq|FROM language l|;
-  $sth = $dbh->prepare($query);
-  $sth->execute($form->{"id"}) || $form->dberror($query . " ($form->{id})");
-
-  my %mapping;
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    $mapping{ $ref->{"language_id"} } = $ref
-      unless (defined($mapping{ $ref->{"language_id"} }));
-  }
-  $sth->finish;
-
-  $form->{"TRANSLATION"} = [sort({ $a->{"language"} cmp $b->{"language"} }
-                                 values(%mapping))];
-
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub save_payment {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect_noauto($myconfig);
-
-  my $query;
-
-  if (!$form->{id}) {
-    $query = qq|SELECT nextval('id'), COALESCE(MAX(sortkey) + 1, 1) | .
-      qq|FROM payment_terms|;
-    my $sortkey;
-    ($form->{id}, $sortkey) = selectrow_query($form, $dbh, $query);
-
-    $query = qq|INSERT INTO payment_terms (id, sortkey) VALUES (?, ?)|;
-    do_query($form, $dbh, $query, $form->{id}, $sortkey);
-
-  } else {
-    $query =
-      qq|DELETE FROM translation_payment_terms | .
-      qq|WHERE payment_terms_id = ?|;
-    do_query($form, $dbh, $query, $form->{"id"});
-  }
-
-  $query = qq|UPDATE payment_terms SET
-              description = ?, description_long = ?,
-              terms_netto = ?, terms_skonto = ?,
-              percent_skonto = ?
-              WHERE id = ?|;
-  my @values = ($form->{description}, $form->{description_long},
-                $form->{terms_netto} * 1, $form->{terms_skonto} * 1,
-                $form->{percent_skonto} * 1,
-                $form->{id});
-  do_query($form, $dbh, $query, @values);
-
-  $query = qq|SELECT id FROM language|;
-  my @language_ids;
-  my $sth = $dbh->prepare($query);
-  $sth->execute() || $form->dberror($query);
-
-  while (my ($id) = $sth->fetchrow_array()) {
-    push(@language_ids, $id);
-  }
-  $sth->finish();
-
-  $query =
-    qq|INSERT INTO translation_payment_terms | .
-    qq|(language_id, payment_terms_id, description_long) | .
-    qq|VALUES (?, ?, ?)|;
-  $sth = $dbh->prepare($query);
-
-  foreach my $language_id (@language_ids) {
-    do_statement($form, $sth, $query, $language_id, $form->{"id"},
-                 $form->{"description_long_${language_id}"});
-  }
-  $sth->finish();
-
-  $dbh->commit();
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-sub delete_payment {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect_noauto($myconfig);
-
-  my $query =
-    qq|DELETE FROM translation_payment_terms WHERE payment_terms_id = ?|;
-  do_query($form, $dbh, $query, $form->{"id"});
-
-  $query = qq|DELETE FROM payment_terms WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{"id"});
-
-  $dbh->commit();
-  $dbh->disconnect;
-
-  $main::lxdebug->leave_sub();
-}
-
-
-sub prepare_template_filename {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form) = @_;
-
-  my ($filename, $display_filename);
-
-  if ($form->{type} eq "stylesheet") {
-    $filename = "css/$myconfig->{stylesheet}";
-    $display_filename = $myconfig->{stylesheet};
-
-  } else {
-    $filename = $form->{formname};
-
-    if ($form->{language}) {
-      my ($id, $template_code) = split(/--/, $form->{language});
-      $filename .= "_${template_code}";
-    }
-
-    if ($form->{printer}) {
-      my ($id, $template_code) = split(/--/, $form->{printer});
-      $filename .= "_${template_code}";
-    }
-
-    $filename .= "." . ($form->{format} eq "html" ? "html" : "tex");
-    $filename =~ s|.*/||;
-    $display_filename = $filename;
-    $filename = "$myconfig->{templates}/$filename";
-  }
-
-  $main::lxdebug->leave_sub();
-
-  return ($filename, $display_filename);
+
+  return ($filename, $display_filename);
 }
 
 
@@ -1429,272 +679,86 @@ sub load_template {
 
   my ($self, $filename) = @_;
 
-  my ($content, $lines) = ("", 0);
-
-  local *TEMPLATE;
-
-  if (open(TEMPLATE, $filename)) {
-    while (<TEMPLATE>) {
-      $content .= $_;
-      $lines++;
-    }
-    close(TEMPLATE);
-  }
-
-  $main::lxdebug->leave_sub();
-
-  return ($content, $lines);
-}
-
-sub save_template {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $filename, $content) = @_;
-
-  local *TEMPLATE;
-
-  my $error = "";
-
-  if (open(TEMPLATE, ">$filename")) {
-    $content =~ s/\r\n/\n/g;
-    print(TEMPLATE $content);
-    close(TEMPLATE);
-  } else {
-    $error = $!;
-  }
-
-  $main::lxdebug->leave_sub();
-
-  return $error;
-}
-
-sub save_defaults {
-  $main::lxdebug->enter_sub();
-
-  my $self     = shift;
-  my %params   = @_;
-
-  my $myconfig = \%main::myconfig;
-  my $form     = $main::form;
-
-  my $dbh      = $params{dbh} || $form->get_standard_dbh($myconfig);
-
-  my %accnos;
-  map { ($accnos{$_}) = split(m/--/, $form->{$_}) } qw(inventory_accno income_accno expense_accno fxgain_accno fxloss_accno);
-
-  $form->{curr}  =~ s/ //g;
-  my @currencies =  grep { $_ ne '' } split m/:/, $form->{curr};
-  my $currency   =  join ':', @currencies;
-
-  # these defaults are database wide
-
-  my $query =
-    qq|UPDATE defaults SET
-        inventory_accno_id = (SELECT c.id FROM chart c WHERE c.accno = ?),
-        income_accno_id    = (SELECT c.id FROM chart c WHERE c.accno = ?),
-        expense_accno_id   = (SELECT c.id FROM chart c WHERE c.accno = ?),
-        fxgain_accno_id    = (SELECT c.id FROM chart c WHERE c.accno = ?),
-        fxloss_accno_id    = (SELECT c.id FROM chart c WHERE c.accno = ?),
-        invnumber          = ?,
-        cnnumber           = ?,
-        sonumber           = ?,
-        ponumber           = ?,
-        sqnumber           = ?,
-        rfqnumber          = ?,
-        customernumber     = ?,
-        vendornumber       = ?,
-        articlenumber      = ?,
-        servicenumber      = ?,
-        yearend            = ?,
-        curr               = ?,
-        businessnumber     = ?|;
-  my @values = ($accnos{inventory_accno}, $accnos{income_accno}, $accnos{expense_accno},
-                $accnos{fxgain_accno},    $accnos{fxloss_accno},
-                $form->{invnumber},       $form->{cnnumber},
-                $form->{sonumber},        $form->{ponumber},
-                $form->{sqnumber},        $form->{rfqnumber},
-                $form->{customernumber},  $form->{vendornumber},
-                $form->{articlenumber},   $form->{servicenumber},
-                $form->{yearend},         $currency,
-                $form->{businessnumber});
-  do_query($form, $dbh, $query, @values);
-
-  $dbh->commit();
-
-  $main::lxdebug->leave_sub();
-}
-
-
-sub save_preferences {
-  $main::lxdebug->enter_sub();
+  my ($content, $lines) = ("", 0);
 
-  my ($self, $myconfig, $form, $memberfile, $userspath, $webdav) = @_;
+  local *TEMPLATE;
 
-  my $dbh = $form->get_standard_dbh($myconfig);
+  if (open(TEMPLATE, $filename)) {
+    while (<TEMPLATE>) {
+      $content .= $_;
+      $lines++;
+    }
+    close(TEMPLATE);
+  }
 
-  my ($currency, $businessnumber) = selectrow_query($form, $dbh, qq|SELECT curr, businessnumber FROM defaults|);
+  $content = Encode::decode('utf-8-strict', $content);
 
-  # update name
-  my $query = qq|UPDATE employee SET name = ? WHERE login = ?|;
-  do_query($form, $dbh, $query, $form->{name}, $form->{login});
+  $main::lxdebug->leave_sub();
 
-  my $rc = $dbh->commit();
+  return ($content, $lines);
+}
 
-  # save first currency in myconfig
-  $currency               =~ s/:.*//;
-  $form->{currency}       =  $currency;
+sub save_template {
+  $main::lxdebug->enter_sub();
 
-  $form->{businessnumber} =  $businessnumber;
+  my ($self, $filename, $content) = @_;
 
-  $myconfig = new User "$memberfile", "$form->{login}";
+  local *TEMPLATE;
 
-  foreach my $item (keys %$form) {
-    $myconfig->{$item} = $form->{$item};
-  }
+  my $error = "";
 
-  $myconfig->save_member($memberfile, $userspath);
-
-  if ($webdav) {
-    @webdavdirs =
-      qw(angebote bestellungen rechnungen anfragen lieferantenbestellungen einkaufsrechnungen);
-    foreach $directory (@webdavdirs) {
-      $file = "webdav/" . $directory . "/webdav-user";
-      if ($myconfig->{$directory}) {
-        open(HTACCESS, "$file") or die "cannot open webdav-user $!\n";
-        while (<HTACCESS>) {
-          ($login, $password) = split(/:/, $_);
-          if ($login ne $form->{login}) {
-            $newfile .= $_;
-          }
-        }
-        close(HTACCESS);
-        open(HTACCESS, "> $file") or die "cannot open webdav-user $!\n";
-        $newfile .= $myconfig->{login} . ":" . $myconfig->{password} . "\n";
-        print(HTACCESS $newfile);
-        close(HTACCESS);
-      } else {
-        $form->{$directory} = 0;
-        open(HTACCESS, "$file") or die "cannot open webdav-user $!\n";
-        while (<HTACCESS>) {
-          ($login, $password) = split(/:/, $_);
-          if ($login ne $form->{login}) {
-            $newfile .= $_;
-          }
-        }
-        close(HTACCESS);
-        open(HTACCESS, "> $file") or die "cannot open webdav-user $!\n";
-        print(HTACCESS $newfile);
-        close(HTACCESS);
-      }
-    }
+  if (open(TEMPLATE, ">", $filename)) {
+    $content = Encode::encode('utf-8-strict', $content);
+    $content =~ s/\r\n/\n/g;
+    print(TEMPLATE $content);
+    close(TEMPLATE);
+  } else {
+    $error = $!;
   }
 
   $main::lxdebug->leave_sub();
 
-  return $rc;
+  return $error;
 }
 
-sub defaultaccounts {
+sub save_preferences {
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form) = @_;
-
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
-
-  # get defaults from defaults table
-  my $query = qq|SELECT * FROM defaults|;
-  my $sth   = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
-
-  $form->{defaults}             = $sth->fetchrow_hashref(NAME_lc);
-  $form->{defaults}{IC}         = $form->{defaults}{inventory_accno_id};
-  $form->{defaults}{IC_income}  = $form->{defaults}{income_accno_id};
-  $form->{defaults}{IC_expense} = $form->{defaults}{expense_accno_id};
-  $form->{defaults}{FX_gain}    = $form->{defaults}{fxgain_accno_id};
-  $form->{defaults}{FX_loss}    = $form->{defaults}{fxloss_accno_id};
+  my ($self, $form) = @_;
 
-  $sth->finish;
+  my $employee = SL::DB::Manager::Employee->find_by(login => $::myconfig{login});
+  $employee->update_attributes(name => $form->{name});
 
-  $query = qq|SELECT c.id, c.accno, c.description, c.link
-              FROM chart c
-              WHERE c.link LIKE '%IC%'
-              ORDER BY c.accno|;
-  $sth = $dbh->prepare($query);
-  $sth->execute || $self->dberror($query);
-
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    foreach my $key (split(/:/, $ref->{link})) {
-      if ($key =~ /IC/) {
-        $nkey = $key;
-        if ($key =~ /cogs/) {
-          $nkey = "IC_expense";
-        }
-        if ($key =~ /sale/) {
-          $nkey = "IC_income";
-        }
-        %{ $form->{IC}{$nkey}{ $ref->{accno} } } = (
-                                             id          => $ref->{id},
-                                             description => $ref->{description}
-        );
-      }
-    }
-  }
-  $sth->finish;
+  my $user = SL::DB::Manager::AuthUser->find_by(login => $::myconfig{login});
+  $user->update_attributes(
+    config_values => {
+      %{ $user->config_values },
+      map { ($_ => $form->{$_}) } SL::DB::AuthUser::CONFIG_VARS(),
+    });
 
-  $query = qq|SELECT c.id, c.accno, c.description
-              FROM chart c
-              WHERE c.category = 'I'
-              AND c.charttype = 'A'
-              ORDER BY c.accno|;
-  $sth = $dbh->prepare($query);
-  $sth->execute || $self->dberror($query);
+  $main::lxdebug->leave_sub();
 
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    %{ $form->{IC}{FX_gain}{ $ref->{accno} } } = (
-                                             id          => $ref->{id},
-                                             description => $ref->{description}
-    );
-  }
-  $sth->finish;
+  return 1;
+}
 
-  $query = qq|SELECT c.id, c.accno, c.description
-              FROM chart c
-              WHERE c.category = 'E'
-              AND c.charttype = 'A'
-              ORDER BY c.accno|;
-  $sth = $dbh->prepare($query);
-  $sth->execute || $self->dberror($query);
+sub get_defaults {
+  $main::lxdebug->enter_sub();
 
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    %{ $form->{IC}{FX_loss}{ $ref->{accno} } } = (
-                                             id          => $ref->{id},
-                                             description => $ref->{description}
-    );
-  }
-  $sth->finish;
+  my $self     = shift;
+  my %params   = @_;
 
-  # now get the tax rates and numbers
-  $query = qq|SELECT c.id, c.accno, c.description,
-              t.rate * 100 AS rate, t.taxnumber
-              FROM chart c, tax t
-              WHERE c.id = t.chart_id|;
+  my $myconfig = \%main::myconfig;
+  my $form     = $main::form;
 
-  $sth = $dbh->prepare($query);
-  $sth->execute || $form->dberror($query);
+  my $dbh      = $params{dbh} || SL::DB->client->dbh;
 
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
-    $form->{taxrates}{ $ref->{accno} }{id}          = $ref->{id};
-    $form->{taxrates}{ $ref->{accno} }{description} = $ref->{description};
-    $form->{taxrates}{ $ref->{accno} }{taxnumber}   = $ref->{taxnumber}
-      if $ref->{taxnumber};
-    $form->{taxrates}{ $ref->{accno} }{rate} = $ref->{rate} if $ref->{rate};
-  }
+  my $defaults = selectfirst_hashref_query($form, $dbh, qq|SELECT * FROM defaults|) || {};
 
-  $sth->finish;
-  $dbh->disconnect;
+  $defaults->{weightunit} ||= 'kg';
 
   $main::lxdebug->leave_sub();
+
+  return $defaults;
 }
 
 sub closedto {
@@ -1702,18 +766,16 @@ sub closedto {
 
   my ($self, $myconfig, $form) = @_;
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
-  my $query = qq|SELECT closedto, revtrans FROM defaults|;
+  my $query = qq|SELECT closedto, max_future_booking_interval, revtrans FROM defaults|;
   my $sth   = $dbh->prepare($query);
   $sth->execute || $form->dberror($query);
 
-  ($form->{closedto}, $form->{revtrans}) = $sth->fetchrow_array;
+  ($form->{closedto}, $form->{max_future_booking_interval}, $form->{revtrans}) = $sth->fetchrow_array;
 
   $sth->finish;
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
@@ -1722,25 +784,24 @@ sub closebooks {
 
   my ($self, $myconfig, $form) = @_;
 
-  my $dbh = $form->dbconnect($myconfig);
-
-  my ($query, @values);
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
 
-  if ($form->{revtrans}) {
-    $query = qq|UPDATE defaults SET closedto = NULL, revtrans = '1'|;
+    my ($query, @values);
 
-  } elsif ($form->{closedto}) {
-    $query = qq|UPDATE defaults SET closedto = ?, revtrans = '0'|;
-    @values = (conv_date($form->{closedto}));
+    # is currently NEVER trueish (no more hidden revtrans in $form)
+    # if ($form->{revtrans}) {
+    #   $query = qq|UPDATE defaults SET closedto = NULL, revtrans = '1'|;
+    # -> therefore you can only set this to false (which is already the default)
+    # and this flag is currently only checked in gl.pl. TOOD Can probably be removed
 
-  } else {
-    $query = qq|UPDATE defaults SET closedto = NULL, revtrans = '0'|;
-  }
-
-  # set close in defaults
-  do_query($form, $dbh, $query, @values);
+      $query = qq|UPDATE defaults SET closedto = ?, max_future_booking_interval = ?, revtrans = '0'|;
+      @values = (conv_date($form->{closedto}), conv_i($form->{max_future_booking_interval}));
 
-  $dbh->disconnect;
+    # set close in defaults
+    do_query($form, $dbh, $query, @values);
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
@@ -1763,19 +824,14 @@ sub get_base_unit {
 sub retrieve_units {
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form, $type, $prefix) = @_;
+  my ($self, $myconfig, $form, $prefix) = @_;
+  $prefix ||= '';
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   my $query = "SELECT *, base_unit AS original_base_unit FROM units";
-  my @values;
-  if ($type) {
-    $query .= " WHERE (type = ?)";
-    @values = ($type);
-  }
 
-  my $sth = $dbh->prepare($query);
-  $sth->execute(@values) || $form->dberror($query . " (" . join(", ", @values) . ")");
+  my $sth = prepare_execute_query($form, $dbh, $query);
 
   my $units = {};
   while (my $ref = $sth->fetchrow_hashref()) {
@@ -1787,7 +843,7 @@ sub retrieve_units {
   $sth = $dbh->prepare($query_lang);
   $sth->execute() || $form->dberror($query_lang);
   my @languages;
-  while ($ref = $sth->fetchrow_hashref()) {
+  while (my $ref = $sth->fetchrow_hashref()) {
     push(@languages, $ref);
   }
   $sth->finish();
@@ -1807,19 +863,32 @@ sub retrieve_units {
     }
 
     $sth->execute($unit->{"name"}) || $form->dberror($query_lang . " (" . $unit->{"name"} . ")");
-    while ($ref = $sth->fetchrow_hashref()) {
+    while (my $ref = $sth->fetchrow_hashref()) {
       map({ $unit->{"LANGUAGES"}->{$ref->{"template_code"}}->{$_} = $ref->{$_} } keys(%{$ref}));
     }
   }
-  $sth->finish();
-
-  $dbh->disconnect();
+  $sth->finish;
 
   $main::lxdebug->leave_sub();
 
   return $units;
 }
 
+sub retrieve_all_units {
+  $main::lxdebug->enter_sub();
+
+  my $self = shift;
+
+  if (!$::request->{cache}{all_units}) {
+    $::request->{cache}{all_units} = $self->retrieve_units(\%main::myconfig, $main::form);
+  }
+
+  $main::lxdebug->leave_sub();
+
+  return $::request->{cache}{all_units};
+}
+
+
 sub translate_units {
   $main::lxdebug->enter_sub();
 
@@ -1847,7 +916,7 @@ sub units_in_use {
 
   my ($self, $myconfig, $form, $units) = @_;
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   map({ $_->{"in_use"} = 0; } values(%{$units}));
 
@@ -1884,26 +953,57 @@ sub units_in_use {
     }
   }
 
-  $dbh->disconnect();
+  $main::lxdebug->leave_sub();
+}
+
+sub convertible_units {
+  $main::lxdebug->enter_sub();
+
+  my $self        = shift;
+  my $units       = shift;
+  my $filter_unit = shift;
+  my $not_smaller = shift;
+
+  my $conv_units = [];
+
+  $filter_unit = $units->{$filter_unit};
+
+  foreach my $name (sort { lc $a cmp lc $b } keys %{ $units }) {
+    my $unit = $units->{$name};
+
+    if (($unit->{base_unit} eq $filter_unit->{base_unit}) &&
+        (!$not_smaller || ($unit->{factor} >= $filter_unit->{factor}))) {
+      push @{$conv_units}, $unit;
+    }
+  }
+
+  my @sorted = sort { $b->{factor} <=> $a->{factor} } @{ $conv_units };
 
   $main::lxdebug->leave_sub();
+
+  return \@sorted;
 }
 
 # if $a is translatable to $b, return the factor between them.
 # else return 1
 sub convert_unit {
   $main::lxdebug->enter_sub(2);
-  ($this, $a, $b, $all_units) = @_;
+  my ($this, $a, $b, $all_units) = @_;
+
+  if (!$all_units) {
+    $all_units = $this->retrieve_all_units;
+  }
 
+  $main::lxdebug->leave_sub(2) and return 0 unless $a && $b;
   $main::lxdebug->leave_sub(2) and return 0 unless $all_units->{$a} && $all_units->{$b};
   $main::lxdebug->leave_sub(2) and return 0 unless $all_units->{$a}{base_unit} eq $all_units->{$b}{base_unit};
-  $main::lxdebug->leave_sub(2) and return $all_units->{$a}{factor} / $all_units->{$b}{factor}; 
+  $main::lxdebug->leave_sub(2) and return $all_units->{$a}{factor} / $all_units->{$b}{factor};
 }
 
 sub unit_select_data {
   $main::lxdebug->enter_sub();
 
-  my ($self, $units, $selected, $empty_entry) = @_;
+  my ($self, $units, $selected, $empty_entry, $convertible_into) = @_;
 
   my $select = [];
 
@@ -1912,10 +1012,14 @@ sub unit_select_data {
   }
 
   foreach my $unit (sort({ $units->{$a}->{"sortkey"} <=> $units->{$b}->{"sortkey"} } keys(%{$units}))) {
-    push(@{$select}, { "name" => $unit,
-                       "base_unit" => $units->{$unit}->{"base_unit"},
-                       "factor" => $units->{$unit}->{"factor"},
-                       "selected" => ($unit eq $selected) ? "selected" : "" });
+    if (!$convertible_into ||
+        ($units->{$convertible_into} &&
+         ($units->{$convertible_into}->{base_unit} eq $units->{$unit}->{base_unit}))) {
+      push @{$select}, { "name"      => $unit,
+                         "base_unit" => $units->{$unit}->{"base_unit"},
+                         "factor"    => $units->{$unit}->{"factor"},
+                         "selected"  => ($unit eq $selected) ? "selected" : "" };
+    }
   }
 
   $main::lxdebug->leave_sub();
@@ -1944,42 +1048,80 @@ sub unit_select_html {
   return $select;
 }
 
-sub add_unit {
+sub sum_with_unit {
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form, $name, $base_unit, $factor, $type, $languages) = @_;
+  my $self  = shift;
+
+  my $units = $self->retrieve_all_units();
 
-  my $dbh = $form->dbconnect_noauto($myconfig);
+  my $sum   = 0;
+  my $base_unit;
 
-  my $query = qq|SELECT COALESCE(MAX(sortkey), 0) + 1 FROM units|;
-  my ($sortkey) = selectrow_query($form, $dbh, $query);
+  while (2 <= scalar(@_)) {
+    my $qty  = shift(@_);
+    my $unit = $units->{shift(@_)};
 
-  $query = "INSERT INTO units (name, base_unit, factor, type, sortkey) " .
-    "VALUES (?, ?, ?, ?, ?)";
-  do_query($form, $dbh, $query, $name, $base_unit, $factor, $type, $sortkey);
+    croak "No unit defined with name $unit" if (!defined $unit);
 
-  if ($languages) {
-    $query = "INSERT INTO units_language (unit, language_id, localized, localized_plural) VALUES (?, ?, ?, ?)";
-    my $sth = $dbh->prepare($query);
-    foreach my $lang (@{$languages}) {
-      my @values = ($name, $lang->{"id"}, $lang->{"localized"}, $lang->{"localized_plural"});
-      $sth->execute(@values) || $form->dberror($query . " (" . join(", ", @values) . ")");
+    if (!$base_unit) {
+      $base_unit = $unit->{base_unit};
+    } elsif ($base_unit ne $unit->{base_unit}) {
+      croak "Adding values with incompatible base units $base_unit/$unit->{base_unit}";
     }
-    $sth->finish();
+
+    $sum += $qty * $unit->{factor};
   }
 
-  $dbh->commit();
-  $dbh->disconnect();
+  $main::lxdebug->leave_sub();
+
+  return $sum;
+}
+
+sub add_unit {
+  $main::lxdebug->enter_sub();
+
+  my ($self, $myconfig, $form, $name, $base_unit, $factor, $languages) = @_;
+
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
+
+    my $query = qq|SELECT COALESCE(MAX(sortkey), 0) + 1 FROM units|;
+    my ($sortkey) = selectrow_query($form, $dbh, $query);
+
+    $query = "INSERT INTO units (name, base_unit, factor, sortkey) " .
+      "VALUES (?, ?, ?, ?)";
+    do_query($form, $dbh, $query, $name, $base_unit, $factor, $sortkey);
+
+    if ($languages) {
+      $query = "INSERT INTO units_language (unit, language_id, localized, localized_plural) VALUES (?, ?, ?, ?)";
+      my $sth = $dbh->prepare($query);
+      foreach my $lang (@{$languages}) {
+        my @values = ($name, $lang->{"id"}, $lang->{"localized"}, $lang->{"localized_plural"});
+        $sth->execute(@values) || $form->dberror($query . " (" . join(", ", @values) . ")");
+      }
+      $sth->finish();
+    }
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
 
 sub save_units {
+  my ($self, $myconfig, $form, $units, $delete_units) = @_;
   $main::lxdebug->enter_sub();
 
-  my ($self, $myconfig, $form, $type, $units, $delete_units) = @_;
+  my $rc = SL::DB->client->with_transaction(\&_save_units, $self, $myconfig, $form, $units, $delete_units);
 
-  my $dbh = $form->dbconnect_noauto($myconfig);
+  $::lxdebug->leave_sub;
+  return $rc;
+}
+
+sub _save_units {
+  my ($self, $myconfig, $form, $units, $delete_units) = @_;
+
+  my $dbh = SL::DB->client->dbh;
 
   my ($base_unit, $unit, $sth, $query);
 
@@ -2026,47 +1168,8 @@ sub save_units {
 
   $sth->finish();
   $sth_lang->finish();
-  $dbh->commit();
-  $dbh->disconnect();
-
-  $main::lxdebug->leave_sub();
-}
-
-sub swap_units {
-  $main::lxdebug->enter_sub();
-
-  my ($self, $myconfig, $form, $dir, $name_1, $unit_type) = @_;
-
-  my $dbh = $form->dbconnect_noauto($myconfig);
-
-  my $query;
-
-  $query = qq|SELECT sortkey FROM units WHERE name = ?|;
-  my ($sortkey_1) = selectrow_query($form, $dbh, $query, $name_1);
-
-  $query =
-    qq|SELECT sortkey FROM units | .
-    qq|WHERE sortkey | . ($dir eq "down" ? ">" : "<") . qq| ? AND type = ? | .
-    qq|ORDER BY sortkey | . ($dir eq "down" ? "ASC" : "DESC") . qq| LIMIT 1|;
-  my ($sortkey_2) = selectrow_query($form, $dbh, $query, $sortkey_1, $unit_type);
-
-  if (defined($sortkey_1)) {
-    $query = qq|SELECT name FROM units WHERE sortkey = ${sortkey_2}|;
-    my ($name_2) = selectrow_query($form, $dbh, $query);
 
-    if (defined($name_2)) {
-      $query = qq|UPDATE units SET sortkey = ? WHERE name = ?|;
-      my $sth = $dbh->prepare($query);
-
-      do_statement($form, $sth, $query, $sortkey_1, $name_2);
-      do_statement($form, $sth, $query, $sortkey_2, $name_1);
-    }
-  }
-
-  $dbh->commit();
-  $dbh->disconnect();
-
-  $main::lxdebug->leave_sub();
+  return 1;
 }
 
 sub taxes {
@@ -2074,8 +1177,7 @@ sub taxes {
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   my $query = qq|SELECT
                    t.id,
@@ -2083,20 +1185,23 @@ sub taxes {
                    t.taxdescription,
                    round(t.rate * 100, 2) AS rate,
                    (SELECT accno FROM chart WHERE id = chart_id) AS taxnumber,
-                   (SELECT description FROM chart WHERE id = chart_id) AS account_description
+                   (SELECT description FROM chart WHERE id = chart_id) AS account_description,
+                   (SELECT accno FROM chart WHERE id = skonto_sales_chart_id) AS skonto_chart_accno,
+                   (SELECT description FROM chart WHERE id = skonto_sales_chart_id) AS skonto_chart_description,
+                   (SELECT accno FROM chart WHERE id = skonto_purchase_chart_id) AS skonto_chart_purchase_accno,
+                   (SELECT description FROM chart WHERE id = skonto_purchase_chart_id) AS skonto_chart_purchase_description
                  FROM tax t
-                 ORDER BY taxkey|;
+                 ORDER BY taxkey, rate|;
 
-  $sth = $dbh->prepare($query);
+  my $sth = $dbh->prepare($query);
   $sth->execute || $form->dberror($query);
 
   $form->{TAX} = [];
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+  while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
     push @{ $form->{TAX} }, $ref;
   }
 
   $sth->finish;
-  $dbh->disconnect;
 
   $main::lxdebug->leave_sub();
 }
@@ -2106,7 +1211,7 @@ sub get_tax_accounts {
 
   my ($self, $myconfig, $form) = @_;
 
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   # get Accounts from chart
   my $query = qq{ SELECT
@@ -2117,17 +1222,26 @@ sub get_tax_accounts {
                ORDER BY accno
              };
 
-  $sth = $dbh->prepare($query);
+  my $sth = $dbh->prepare($query);
   $sth->execute || $form->dberror($query);
 
   $form->{ACCOUNTS} = [];
-  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+  while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
     push @{ $form->{ACCOUNTS} }, $ref;
   }
 
-  $sth->finish;
+  $form->{AR_PAID} = SL::DB::Manager::Chart->get_all(where => [ link => { like => '%AR_paid%' } ], sort_by => 'accno ASC');
+  $form->{AP_PAID} = SL::DB::Manager::Chart->get_all(where => [ link => { like => '%AP_paid%' } ], sort_by => 'accno ASC');
+
+  $form->{skontochart_value_title_sub} = sub {
+    my $item = shift;
+    return [
+      $item->{id},
+      $item->{accno} .' '. $item->{description},
+    ];
+  };
 
-  $dbh->disconnect;
+  $sth->finish;
 
   $main::lxdebug->leave_sub();
 }
@@ -2137,21 +1251,25 @@ sub get_tax {
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->dbconnect($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   my $query = qq|SELECT
                    taxkey,
                    taxdescription,
                    round(rate * 100, 2) AS rate,
-                   chart_id
+                   chart_id,
+                   chart_categories,
+                   (id IN (SELECT tax_id
+                           FROM acc_trans)) AS tax_already_used,
+                   skonto_sales_chart_id,
+                   skonto_purchase_chart_id
                  FROM tax
                  WHERE id = ? |;
 
   my $sth = $dbh->prepare($query);
   $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
 
-  my $ref = $sth->fetchrow_hashref(NAME_lc);
+  my $ref = $sth->fetchrow_hashref("NAME_lc");
 
   map { $form->{$_} = $ref->{$_} } keys %$ref;
 
@@ -2177,70 +1295,94 @@ sub get_tax {
     $sth->execute($form->{id}) || $form->dberror($query . " ($form->{id})");
 
     $form->{TAXINUSE} = [];
-    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+    while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
       push @{ $form->{TAXINUSE} }, $ref;
     }
 
     $sth->finish;
   }
 
-  $dbh->disconnect;
-
   $main::lxdebug->leave_sub();
 }
 
 sub save_tax {
+  my ($self, $myconfig, $form) = @_;
   $main::lxdebug->enter_sub();
 
+  my $rc = SL::DB->client->with_transaction(\&_save_tax, $self, $myconfig, $form);
+
+  $::lxdebug->leave_sub;
+  return $rc;
+}
+
+sub _save_tax {
   my ($self, $myconfig, $form) = @_;
+  my $query;
 
-  # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   $form->{rate} = $form->{rate} / 100;
 
-  my @values = ($form->{taxkey}, $form->{taxdescription}, $form->{rate}, $form->{chart_id}, $form->{chart_id} );
+  my $chart_categories = '';
+  $chart_categories .= 'A' if $form->{asset};
+  $chart_categories .= 'L' if $form->{liability};
+  $chart_categories .= 'Q' if $form->{equity};
+  $chart_categories .= 'I' if $form->{revenue};
+  $chart_categories .= 'E' if $form->{expense};
+  $chart_categories .= 'C' if $form->{costs};
+
+  my @values = ($form->{taxkey}, $form->{taxdescription}, $form->{rate}, conv_i($form->{chart_id}), conv_i($form->{chart_id}), conv_i($form->{skonto_sales_chart_id}), conv_i($form->{skonto_purchase_chart_id}), $chart_categories);
   if ($form->{id} ne "") {
     $query = qq|UPDATE tax SET
-                  taxkey         = ?,
-                  taxdescription = ?,
-                  rate           = ?,
-                  chart_id       = ?,
-                  taxnumber      = (SELECT accno FROM chart WHERE id= ? )
+                  taxkey                   = ?,
+                  taxdescription           = ?,
+                  rate                     = ?,
+                  chart_id                 = ?,
+                  taxnumber                = (SELECT accno FROM chart WHERE id = ? ),
+                  skonto_sales_chart_id    = ?,
+                  skonto_purchase_chart_id = ?,
+                  chart_categories         = ?
                 WHERE id = ?|;
-    push(@values, $form->{id});
 
   } else {
     #ok
+    ($form->{id}) = selectfirst_array_query($form, $dbh, qq|SELECT nextval('id')|);
     $query = qq|INSERT INTO tax (
                   taxkey,
                   taxdescription,
                   rate,
                   chart_id,
-                  taxnumber
+                  taxnumber,
+                  skonto_sales_chart_id,
+                  skonto_purchase_chart_id,
+                  chart_categories,
+                  id
                 )
-                VALUES (?, ?, ?, ?, (SELECT accno FROM chart WHERE id = ?) )|;
+                VALUES (?, ?, ?, ?, (SELECT accno FROM chart WHERE id = ?), ?, ?,  ?, ?)|;
   }
+  push(@values, $form->{id});
   do_query($form, $dbh, $query, @values);
 
-  $dbh->commit();
-
-  $main::lxdebug->leave_sub();
+  foreach my $language_id (keys %{ $form->{translations} }) {
+    GenericTranslations->save('dbh'              => $dbh,
+                              'translation_type' => 'SL::DB::Tax/taxdescription',
+                              'translation_id'   => $form->{id},
+                              'language_id'      => $language_id,
+                              'translation'      => $form->{translations}->{$language_id});
+  }
 }
 
 sub delete_tax {
   $main::lxdebug->enter_sub();
 
   my ($self, $myconfig, $form) = @_;
+  my $query;
 
-  # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
-
-  $query = qq|DELETE FROM tax
-              WHERE id = ?|;
-  do_query($form, $dbh, $query, $form->{id});
-
-  $dbh->commit();
+  SL::DB->client->with_transaction(sub {
+    $query = qq|DELETE FROM tax WHERE id = ?|;
+    do_query($form, SL::DB->client->dbh, $query, $form->{id});
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
@@ -2250,23 +1392,23 @@ sub save_price_factor {
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
-
-  my $query;
-  my @values = ($form->{description}, conv_i($form->{factor}));
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
 
-  if ($form->{id}) {
-    $query = qq|UPDATE price_factors SET description = ?, factor = ? WHERE id = ?|;
-    push @values, conv_i($form->{id});
+    my $query;
+    my @values = ($form->{description}, conv_i($form->{factor}));
 
-  } else {
-    $query = qq|INSERT INTO price_factors (description, factor, sortkey) VALUES (?, ?, (SELECT COALESCE(MAX(sortkey), 0) + 1 FROM price_factors))|;
-  }
+    if ($form->{id}) {
+      $query = qq|UPDATE price_factors SET description = ?, factor = ? WHERE id = ?|;
+      push @values, conv_i($form->{id});
 
-  do_query($form, $dbh, $query, @values);
+    } else {
+      $query = qq|INSERT INTO price_factors (description, factor, sortkey) VALUES (?, ?, (SELECT COALESCE(MAX(sortkey), 0) + 1 FROM price_factors))|;
+    }
 
-  $dbh->commit();
+    do_query($form, $dbh, $query, @values);
+    1;
+  }) or do { die SL::DB->client->error };
 
   $main::lxdebug->leave_sub();
 }
@@ -2276,8 +1418,7 @@ sub get_all_price_factors {
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   $form->{PRICE_FACTORS} = selectall_hashref_query($form, $dbh, qq|SELECT * FROM price_factors ORDER BY sortkey|);
 
@@ -2290,7 +1431,7 @@ sub get_price_factor {
   my ($self, $myconfig, $form) = @_;
 
   # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
+  my $dbh = SL::DB->client->dbh;
 
   my $query = qq|SELECT description, factor,
                    ((SELECT COUNT(*) FROM parts      WHERE price_factor_id = ?) +
@@ -2308,14 +1449,157 @@ sub delete_price_factor {
 
   my ($self, $myconfig, $form) = @_;
 
-  # connect to database
-  my $dbh = $form->get_standard_dbh($myconfig);
+  SL::DB->client->with_transaction(sub {
+    do_query($form, SL::DB->client->dbh, qq|DELETE FROM price_factors WHERE id = ?|, conv_i($form->{id}));
+    1;
+  }) or do { die SL::DB->client->error };
+
+  $main::lxdebug->leave_sub();
+}
+
+sub save_warehouse {
+  $main::lxdebug->enter_sub();
+
+  my ($self, $myconfig, $form) = @_;
+
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
+
+    my ($query, @values, $sth);
 
-  do_query($form, $dbh, qq|DELETE FROM price_factors WHERE id = ?|, conv_i($form->{id}));
-  $dbh->commit();
+    if (!$form->{id}) {
+      $query        = qq|SELECT nextval('id')|;
+      ($form->{id}) = selectrow_query($form, $dbh, $query);
+
+      $query        = qq|INSERT INTO warehouse (id, sortkey) VALUES (?, (SELECT COALESCE(MAX(sortkey), 0) + 1 FROM warehouse))|;
+      do_query($form, $dbh, $query, $form->{id});
+    }
+
+    do_query($form, $dbh, qq|UPDATE warehouse SET description = ?, invalid = ? WHERE id = ?|,
+             $form->{description}, $form->{invalid} ? 't' : 'f', conv_i($form->{id}));
+
+    if (0 < $form->{number_of_new_bins}) {
+      my ($num_existing_bins) = selectfirst_array_query($form, $dbh, qq|SELECT COUNT(*) FROM bin WHERE warehouse_id = ?|, $form->{id});
+      $query = qq|INSERT INTO bin (warehouse_id, description) VALUES (?, ?)|;
+      $sth   = prepare_query($form, $dbh, $query);
+
+      foreach my $i (1..$form->{number_of_new_bins}) {
+        do_statement($form, $sth, $query, conv_i($form->{id}), "$form->{prefix}" . ($i + $num_existing_bins));
+      }
+
+      $sth->finish();
+    }
+    1;
+  }) or do { die SL::DB->client->error };
+
+  $main::lxdebug->leave_sub();
+}
+
+sub save_bins {
+  $main::lxdebug->enter_sub();
+
+  my ($self, $myconfig, $form) = @_;
+
+  SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
+
+    my ($query, @values, $sth);
+
+    @values = map { $form->{"id_${_}"} } grep { $form->{"delete_${_}"} } (1..$form->{rowcount});
+
+    if (@values) {
+      $query = qq|DELETE FROM bin WHERE id IN (| . join(', ', ('?') x scalar(@values)) . qq|)|;
+      do_query($form, $dbh, $query, @values);
+    }
+
+    $query = qq|UPDATE bin SET description = ? WHERE id = ?|;
+    $sth   = prepare_query($form, $dbh, $query);
+
+    foreach my $row (1..$form->{rowcount}) {
+      next if ($form->{"delete_${row}"});
+
+      do_statement($form, $sth, $query, $form->{"description_${row}"}, conv_i($form->{"id_${row}"}));
+    }
+
+    $sth->finish();
+    1;
+  }) or do { die SL::DB->client->error };
+
+  $main::lxdebug->leave_sub();
+}
+
+sub delete_warehouse {
+  $main::lxdebug->enter_sub();
+
+  my ($self, $myconfig, $form) = @_;
+
+  my $rc = SL::DB->client->with_transaction(sub {
+    my $dbh = SL::DB->client->dbh;
+
+    my $id      = conv_i($form->{id});
+    my $query   = qq|SELECT i.bin_id FROM inventory i WHERE i.bin_id IN (SELECT b.id FROM bin b WHERE b.warehouse_id = ?) LIMIT 1|;
+    my ($count) = selectrow_query($form, $dbh, $query, $id);
+
+    if ($count) {
+      return 0;
+    }
+
+    do_query($form, $dbh, qq|DELETE FROM bin       WHERE warehouse_id = ?|, conv_i($form->{id}));
+    do_query($form, $dbh, qq|DELETE FROM warehouse WHERE id           = ?|, conv_i($form->{id}));
+
+    return 1;
+  });
+
+  $main::lxdebug->leave_sub();
+
+  return $rc;
+}
+
+sub get_all_warehouses {
+  $main::lxdebug->enter_sub();
+
+  my ($self, $myconfig, $form) = @_;
+
+  my $dbh = SL::DB->client->dbh;
+
+  my $query = qq|SELECT w.id, w.description, w.invalid,
+                   (SELECT COUNT(b.description) FROM bin b WHERE b.warehouse_id = w.id) AS number_of_bins
+                 FROM warehouse w
+                 ORDER BY w.sortkey|;
+
+  $form->{WAREHOUSES} = selectall_hashref_query($form, $dbh, $query);
 
   $main::lxdebug->leave_sub();
 }
 
+sub get_warehouse {
+  $main::lxdebug->enter_sub();
+
+  my ($self, $myconfig, $form) = @_;
+
+  my $dbh = SL::DB->client->dbh;
+
+  my $id    = conv_i($form->{id});
+  my $query = qq|SELECT w.description, w.invalid
+                 FROM warehouse w
+                 WHERE w.id = ?|;
+
+  my $ref   = selectfirst_hashref_query($form, $dbh, $query, $id);
+
+  map { $form->{$_} = $ref->{$_} } keys %{ $ref };
+
+  $query = <<SQL;
+    SELECT b.*,
+      (   EXISTS(SELECT i.bin_id FROM inventory i WHERE i.bin_id = b.id LIMIT 1)
+       OR EXISTS(SELECT p.bin_id FROM parts     p WHERE p.bin_id = b.id LIMIT 1))
+      AS in_use
+    FROM bin b
+    WHERE b.warehouse_id = ?
+SQL
+
+  $form->{BINS} = selectall_hashref_query($form, $dbh, $query, conv_i($form->{id}));
+
+  $main::lxdebug->leave_sub();
+}
 
 1;