import sql-ledger 2.4.4
[freeside.git] / sql-ledger / old / sql-ledger / SL / IS.pm
diff --git a/sql-ledger/old/sql-ledger/SL/IS.pm b/sql-ledger/old/sql-ledger/SL/IS.pm
new file mode 100644 (file)
index 0000000..dc11e36
--- /dev/null
@@ -0,0 +1,1231 @@
+#=====================================================================
+# SQL-Ledger Accounting
+# Copyright (C) 1998-2002
+#
+#  Author: Dieter Simader
+#   Email: dsimader@sql-ledger.org
+#     Web: http://www.sql-ledger.org
+#
+#  Contributors:
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# 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.
+#======================================================================
+#
+# Inventory invoicing module
+#
+#======================================================================
+
+package IS;
+
+
+sub invoice_details {
+  my ($self, $myconfig, $form) = @_;
+
+  $form->{duedate} = $form->{invdate} unless ($form->{duedate});
+
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+
+  my $query = qq|SELECT date '$form->{duedate}' - date '$form->{invdate}'
+                 AS terms
+                FROM defaults|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  ($form->{terms}) = $sth->fetchrow_array;
+  $sth->finish;
+
+  my $tax = 0;
+  my $item;
+  my $i;
+  my @partsgroup = ();
+  my $partsgroup;
+  my %oid = ( 'Pg' => 'oid',
+              'Oracle' => 'rowid' );
+  
+  # sort items by partsgroup
+  for $i (1 .. $form->{rowcount}) {
+    $partsgroup = "";
+    if ($form->{"partsgroup_$i"} && $form->{groupitems}) {
+      $form->format_string("partsgroup_$i");
+      $partsgroup = $form->{"partsgroup_$i"};
+    }
+    push @partsgroup, [ $i, $partsgroup ];
+  }
+  
+  my $sameitem = "";
+  foreach $item (sort { $a->[1] cmp $b->[1] } @partsgroup) {
+    $i = $item->[0];
+
+    if ($item->[1] ne $sameitem) {
+      push(@{ $form->{description} }, qq|$item->[1]|);
+      $sameitem = $item->[1];
+
+      map { push(@{ $form->{$_} }, "") } qw(runningnumber number bin qty unit deliverydate sellprice listprice netprice discount linetotal);
+    }
+    
+    $form->{"qty_$i"} = $form->parse_amount($myconfig, $form->{"qty_$i"});
+    
+    if ($form->{"qty_$i"} != 0) {
+
+      # add number, description and qty to $form->{number}, ....
+      push(@{ $form->{runningnumber} }, $i);
+      push(@{ $form->{number} }, qq|$form->{"partnumber_$i"}|);
+      push(@{ $form->{bin} }, qq|$form->{"bin_$i"}|);
+      push(@{ $form->{description} }, qq|$form->{"description_$i"}|);
+      push(@{ $form->{qty} }, $form->format_amount($myconfig, $form->{"qty_$i"}));
+      push(@{ $form->{unit} }, qq|$form->{"unit_$i"}|);
+      push(@{ $form->{deliverydate} }, qq|$form->{"deliverydate_$i"}|);
+      
+      push(@{ $form->{sellprice} }, $form->{"sellprice_$i"});
+      
+      # listprice
+      push(@{ $form->{listprice} }, $form->{"listprice_$i"});
+
+      my $sellprice = $form->parse_amount($myconfig, $form->{"sellprice_$i"});
+      my ($dec) = ($sellprice =~ /\.(\d+)/);
+      $dec = length $dec;
+      my $decimalplaces = ($dec > 2) ? $dec : 2;
+      
+      my $discount = $form->round_amount($sellprice * $form->parse_amount($myconfig, $form->{"discount_$i"}) / 100, $decimalplaces);
+      
+      # keep a netprice as well, (sellprice - discount)
+      $form->{"netprice_$i"} = $sellprice - $discount;
+      push(@{ $form->{netprice} }, ($form->{"netprice_$i"} != 0) ? $form->format_amount($myconfig, $form->{"netprice_$i"}, $decimalplaces) : " ");
+
+      
+      my $linetotal = $form->round_amount($form->{"qty_$i"} * $form->{"netprice_$i"}, 2);
+
+      $discount = ($discount != 0) ? $form->format_amount($myconfig, $discount * -1, $decimalplaces) : " ";
+      $linetotal = ($linetotal != 0) ? $linetotal : " ";
+      
+      push(@{ $form->{discount} }, $discount);
+
+      $form->{total} += $linetotal;
+
+      push(@{ $form->{linetotal} }, $form->format_amount($myconfig, $linetotal, 2));
+      
+      my $taxrate = 0;
+      my ($taxamount, $taxbase);
+      
+      map { $taxrate += $form->{"${_}_rate"} } split / /, $form->{"taxaccounts_$i"};
+
+      if ($form->{taxincluded}) {
+       # calculate tax
+       $taxamount = $linetotal * ($taxrate / (1 + $taxrate));
+       $taxbase = $linetotal - $taxamount;
+      } else {
+        $taxamount = $linetotal * $taxrate;
+       $taxbase = $linetotal;
+      }
+      
+      if ($taxamount != 0) {
+       foreach my $item (split / /, $form->{"taxaccounts_$i"}) {
+         $taxaccounts{$item} += $taxamount * $form->{"${item}_rate"} / $taxrate;
+         $taxbase{$item} += $taxbase;
+       }
+      }
+
+      if ($form->{"assembly_$i"}) {
+       $sameitem = "";
+       
+        # get parts and push them onto the stack
+       my $sortorder = "";
+       if ($form->{groupitems}) { 
+         $sortorder = qq|ORDER BY pg.partsgroup, a.$oid{$myconfig->{dbdriver}}|;
+       } else {
+         $sortorder = qq|ORDER BY a.$oid{$myconfig->{dbdriver}}|;
+       }
+       
+       $query = qq|SELECT p.partnumber, p.description, p.unit, a.qty,
+                   pg.partsgroup
+                   FROM assembly a
+                   JOIN parts p ON (a.parts_id = p.id)
+                   LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
+                   WHERE a.bom = '1'
+                   AND a.id = '$form->{"id_$i"}'
+                   $sortorder|;
+        $sth = $dbh->prepare($query);
+        $sth->execute || $form->dberror($query);
+
+       while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+         if ($form->{groupitems} && $ref->{partsgroup} ne $sameitem) {
+           map { push(@{ $form->{$_} }, "") } qw(runningnumber number unit qty bin sellprice listprice netprice discount linetotal);
+           $sameitem = ($ref->{partsgroup}) ? $ref->{partsgroup} : "--";
+           push(@{ $form->{description} }, $sameitem);
+         }
+           
+         push(@{ $form->{number} }, qq|$ref->{partnumber}|);
+         push(@{ $form->{description} }, qq|$ref->{description}|);
+         push(@{ $form->{unit} }, qq|$ref->{unit}|);
+         push(@{ $form->{qty} }, $form->format_amount($myconfig, $ref->{qty} * $form->{"qty_$i"}));
+
+          map { push(@{ $form->{$_} }, "") } qw(runningnumber bin sellprice listprice netprice discount linetotal);
+         
+       }
+       $sth->finish;
+      }
+      
+    }
+  }
+
+
+  foreach my $item (sort keys %taxaccounts) {
+    if ($form->round_amount($taxaccounts{$item}, 2) != 0) {
+      push(@{ $form->{taxbase} }, $form->format_amount($myconfig, $taxbase{$item}, 2));
+      
+      $tax += $taxamount = $form->round_amount($taxaccounts{$item}, 2);
+      
+      push(@{ $form->{tax} }, $form->format_amount($myconfig, $taxamount));
+      push(@{ $form->{taxdescription} }, $form->{"${item}_description"});
+      push(@{ $form->{taxrate} }, $form->format_amount($myconfig, $form->{"${item}_rate"} * 100));
+      push(@{ $form->{taxnumber} }, $form->{"${item}_taxnumber"});
+    }
+  }
+    
+
+  for my $i (1 .. $form->{paidaccounts}) {
+    if ($form->{"paid_$i"}) {
+      push(@{ $form->{payment} }, $form->{"paid_$i"});
+      my ($accno, $description) = split /--/, $form->{"AR_paid_$i"};
+      push(@{ $form->{paymentaccount} }, $description); 
+      push(@{ $form->{paymentdate} }, $form->{"datepaid_$i"});
+      push(@{ $form->{paymentsource} }, $form->{"source_$i"});
+
+      $form->{paid} += $form->parse_amount($myconfig, $form->{"paid_$i"});
+    }
+  }
+  
+  $form->{subtotal} = $form->format_amount($myconfig, $form->{total}, 2);
+  $form->{invtotal} = ($form->{taxincluded}) ? $form->{total} : $form->{total} + $tax;
+  $form->{total} = $form->format_amount($myconfig, $form->{invtotal} - $form->{paid}, 2);
+  $form->{invtotal} = $form->format_amount($myconfig, $form->{invtotal}, 2);
+
+  $form->{paid} = $form->format_amount($myconfig, $form->{paid}, 2);
+
+  # myconfig variables
+  map { $form->{$_} = $myconfig->{$_} } (qw(company address tel fax signature businessnumber));
+  $form->{username} = $myconfig->{name};
+
+  $dbh->disconnect;
+  
+}
+
+
+sub project_description {
+  my ($self, $dbh, $id) = @_;
+
+  my $query = qq|SELECT description
+                 FROM project
+                WHERE id = $id|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  ($_) = $sth->fetchrow_array;
+
+  $sth->finish;
+
+  $_;
+
+}
+
+
+sub customer_details {
+  my ($self, $myconfig, $form) = @_;
+  
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+  
+  # get rest for the customer
+  my $query = qq|SELECT customernumber, name, addr1, addr2, addr3, addr4,
+                phone as customerphone, fax as customerfax, contact
+                FROM customer
+                WHERE id = $form->{customer_id}|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  $ref = $sth->fetchrow_hashref(NAME_lc);
+  map { $form->{$_} = $ref->{$_} } keys %$ref;
+
+  $sth->finish;
+  $dbh->disconnect;
+
+}
+
+
+sub post_invoice {
+  my ($self, $myconfig, $form) = @_;
+  
+  # connect to database, turn off autocommit
+  my $dbh = $form->dbconnect_noauto($myconfig);
+
+  my ($query, $sth, $null, $project_id, $deliverydate);
+  my $exchangerate = 0;
+  if ($form->{id}) {
+
+    &reverse_invoice($dbh, $form);
+
+  } else {
+    my $uid = time;
+    $uid .= $form->{login};
+    
+    $query = qq|INSERT INTO ar (invnumber, employee_id)
+                VALUES ('$uid', (SELECT id FROM employee
+                                WHERE login = '$form->{login}') )|;
+    $dbh->do($query) || $form->dberror($query);
+
+    $query = qq|SELECT id FROM ar
+                WHERE invnumber = '$uid'|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    ($form->{id}) = $sth->fetchrow_array;
+    $sth->finish;
+  }
+
+
+  map { $form->{$_} =~ s/'/''/g } (qw(invnumber shippingpoint notes message));
+
+  my ($netamount, $invoicediff) = (0, 0);
+  my ($amount, $linetotal, $lastincomeaccno);
+
+  if ($form->{currency} eq $form->{defaultcurrency}) {
+    $form->{exchangerate} = 1;
+  } else {
+    $exchangerate = $form->check_exchangerate($myconfig, $form->{currency}, $form->{transdate}, 'buy');
+  }
+
+  $form->{exchangerate} = ($exchangerate) ? $exchangerate : $form->parse_amount($myconfig, $form->{exchangerate});
+  
+
+  foreach my $i (1 .. $form->{rowcount}) {
+    $form->{"qty_$i"} = $form->parse_amount($myconfig, $form->{"qty_$i"});
+    
+    if ($form->{"qty_$i"} != 0) {
+
+      map { $form->{"${_}_$i"} =~ s/'/''/g } (qw(partnumber description unit));
+      
+      # undo discount formatting
+      $form->{"discount_$i"} = $form->parse_amount($myconfig, $form->{"discount_$i"}) / 100;
+
+      my ($allocated, $taxrate) = (0, 0);
+      my $taxamount;
+      
+      # keep entered selling price
+      my $fxsellprice = $form->parse_amount($myconfig, $form->{"sellprice_$i"});
+      
+      my ($dec) = ($fxsellprice =~ /\.(\d+)/);
+      $dec = length $dec;
+      my $decimalplaces = ($dec > 2) ? $dec : 2;
+      
+      # deduct discount
+      my $discount = $form->round_amount($fxsellprice * $form->{"discount_$i"}, $decimalplaces);
+      $form->{"sellprice_$i"} = $fxsellprice - $discount;
+      
+      # add tax rates
+      map { $taxrate += $form->{"${_}_rate"} } split / /, $form->{"taxaccounts_$i"};
+
+      # round linetotal to 2 decimal places
+      $linetotal = $form->round_amount($form->{"sellprice_$i"} * $form->{"qty_$i"}, 2);
+      
+      if ($form->{taxincluded}) {
+       $taxamount = $linetotal * ($taxrate / (1 + $taxrate));
+       $form->{"sellprice_$i"} = $form->{"sellprice_$i"} * (1 / (1 + $taxrate));
+      } else {
+       $taxamount = $linetotal * $taxrate;
+      }
+
+      $netamount += $linetotal;
+      
+      if ($taxamount != 0) {
+       map { $form->{amount}{$form->{id}}{$_} += $taxamount * $form->{"${_}_rate"} / $taxrate } split / /, $form->{"taxaccounts_$i"};
+      }
+    
+    
+      # add amount to income, $form->{amount}{trans_id}{accno}
+      $amount = $form->{"sellprice_$i"} * $form->{"qty_$i"} * $form->{exchangerate};
+      
+      $linetotal = $form->round_amount($form->{"sellprice_$i"} * $form->{"qty_$i"}, 2) * $form->{exchangerate};
+      $linetotal = $form->round_amount($linetotal, 2);
+      
+      # this is the difference from the inventory
+      $invoicediff += ($amount - $linetotal);
+                     
+      $form->{amount}{$form->{id}}{$form->{"income_accno_$i"}} += $linetotal;
+      
+      $lastincomeaccno = $form->{"income_accno_$i"};
+      
+
+      # adjust and round sellprice
+      $form->{"sellprice_$i"} = $form->round_amount($form->{"sellprice_$i"} * $form->{exchangerate}, $decimalplaces);
+      
+      if ($form->{"inventory_accno_$i"} || $form->{"assembly_$i"}) {
+        # adjust parts onhand quantity
+
+        if ($form->{"assembly_$i"}) {
+         # do not update if assembly consists of all services
+         $query = qq|SELECT sum(p.inventory_accno_id)
+                     FROM parts p, assembly a
+                     WHERE a.parts_id = p.id
+                     AND a.id = $form->{"id_$i"}|;
+         $sth = $dbh->prepare($query);
+         $sth->execute || $form->dberror($query);
+
+         if ($sth->fetchrow_array) {
+           $form->update_balance($dbh,
+                                 "parts",
+                                 "onhand",
+                                 qq|id = $form->{"id_$i"}|,
+                                 $form->{"qty_$i"} * -1);
+         }
+         $sth->finish;
+          
+         # record assembly item as allocated
+         &process_assembly($dbh, $form, $form->{"id_$i"}, $form->{"qty_$i"});
+       } else {
+         $form->update_balance($dbh,
+                               "parts",
+                               "onhand",
+                               qq|id = $form->{"id_$i"}|,
+                               $form->{"qty_$i"} * -1);
+         
+         $allocated = &cogs($dbh, $form, $form->{"id_$i"}, $form->{"qty_$i"});
+       }
+      }
+
+      $project_id = 'NULL';
+      if ($form->{"project_id_$i"}) {
+       $project_id = $form->{"project_id_$i"};
+      }
+      $deliverydate = ($form->{"deliverydate_$i"}) ? qq|'$form->{"deliverydate_$i"}'| : "NULL";
+
+      # save detail record in invoice table
+      $query = qq|INSERT INTO invoice (trans_id, parts_id, description, qty,
+                  sellprice, fxsellprice, discount, allocated, assemblyitem,
+                 unit, deliverydate, project_id)
+                 VALUES ($form->{id}, $form->{"id_$i"},
+                 '$form->{"description_$i"}', $form->{"qty_$i"},
+                 $form->{"sellprice_$i"}, $fxsellprice,
+                 $form->{"discount_$i"}, $allocated, 'f',
+                 '$form->{"unit_$i"}', $deliverydate, $project_id)|;
+      $dbh->do($query) || $form->dberror($query);
+
+    }
+  }
+
+
+  $form->{datepaid} = $form->{invdate};
+  
+  # total payments, don't move we need it here
+  for my $i (1 .. $form->{paidaccounts}) {
+    $form->{"paid_$i"} = $form->parse_amount($myconfig, $form->{"paid_$i"});
+    $form->{paid} += $form->{"paid_$i"};
+    $form->{datepaid} = $form->{"datepaid_$i"} if ($form->{"datepaid_$i"});
+  }
+  
+  my ($tax, $diff) = (0, 0);
+  
+  $netamount = $form->round_amount($netamount, 2);
+  
+  # figure out rounding errors for total amount vs netamount + taxes
+  if ($form->{taxincluded}) {
+    
+    $amount = $form->round_amount($netamount * $form->{exchangerate}, 2);
+    $diff += $amount - $netamount * $form->{exchangerate};
+    $netamount = $amount;
+    
+    foreach my $item (split / /, $form->{taxaccounts}) {
+      $amount = $form->{amount}{$form->{id}}{$item} * $form->{exchangerate};
+      $form->{amount}{$form->{id}}{$item} = $form->round_amount($amount, 2);
+      $tax += $form->{amount}{$form->{id}}{$item};
+      $netamount -= $form->{amount}{$form->{id}}{$item};
+    }
+
+    $invoicediff += $diff;
+    ######## this only applies to tax included
+    if ($lastincomeaccno) {
+      $form->{amount}{$form->{id}}{$lastincomeaccno} += $invoicediff;
+    }
+
+  } else {
+    $amount = $form->round_amount($netamount * $form->{exchangerate}, 2);
+    $diff = $amount - $netamount * $form->{exchangerate};
+    $netamount = $amount;
+    foreach my $item (split / /, $form->{taxaccounts}) {
+      $form->{amount}{$form->{id}}{$item} = $form->round_amount($form->{amount}{$form->{id}}{$item}, 2);
+      $amount = $form->round_amount($form->{amount}{$form->{id}}{$item} * $form->{exchangerate}, 2);
+      $diff += $amount - $form->{amount}{$form->{id}}{$item} * $form->{exchangerate};
+      $form->{amount}{$form->{id}}{$item} = $form->round_amount($amount, 2);
+      $tax += $form->{amount}{$form->{id}}{$item};
+    }
+  }
+
+  
+  $form->{amount}{$form->{id}}{$form->{AR}} = $netamount + $tax;
+
+  if ($form->{paid} != 0) {
+    $form->{paid} = $form->round_amount($form->{paid} * $form->{exchangerate} + $diff, 2);
+  }
+  
+  # reverse AR
+  $form->{amount}{$form->{id}}{$form->{AR}} *= -1;
+
+
+  # update exchangerate
+  if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
+    $form->update_exchangerate($dbh, $form->{currency}, $form->{invdate}, $form->{exchangerate}, 0);
+  }
+    
+  foreach my $trans_id (keys %{$form->{amount}}) {
+    foreach my $accno (keys %{ $form->{amount}{$trans_id} }) {
+      if (($form->{amount}{$trans_id}{$accno} = $form->round_amount($form->{amount}{$trans_id}{$accno}, 2)) != 0) {
+       $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+                   transdate)
+                   VALUES ($trans_id, (SELECT id FROM chart
+                                       WHERE accno = '$accno'),
+                   $form->{amount}{$trans_id}{$accno}, '$form->{invdate}')|;
+       $dbh->do($query) || $form->dberror($query);
+      }
+    }
+  }
+
+  # deduct payment differences from diff
+  for my $i (1 .. $form->{paidaccounts}) {
+    if ($form->{"paid_$i"} != 0) {
+      $amount = $form->round_amount($form->{"paid_$i"} * $form->{exchangerate}, 2);
+      $diff -= $amount - $form->{"paid_$i"} * $form->{exchangerate};
+    }
+  }
+
+  # force AR entry if 0
+  $form->{amount}{$form->{id}}{$form->{AR}} = 1 if ($form->{amount}{$form->{id}}{$form->{AR}} == 0);
+  
+  # record payments and offsetting AR
+  for my $i (1 .. $form->{paidaccounts}) {
+    
+    if ($form->{"paid_$i"} != 0) {
+      my ($accno) = split /--/, $form->{"AR_paid_$i"};
+      $form->{"datepaid_$i"} = $form->{invdate} unless ($form->{"datepaid_$i"});
+      $form->{datepaid} = $form->{"datepaid_$i"};
+      
+      # record AR
+      $amount = $form->round_amount($form->{"paid_$i"} * $form->{exchangerate} + $diff, 2);
+
+      if ($form->{amount}{$form->{id}}{$form->{AR}} != 0) {
+       $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+                   transdate)
+                   VALUES ($form->{id}, (SELECT id FROM chart
+                                       WHERE accno = '$form->{AR}'),
+                   $amount, '$form->{"datepaid_$i"}')|;
+       $dbh->do($query) || $form->dberror($query);
+      }
+
+      # record payment
+      $form->{"paid_$i"} *= -1;
+
+      $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate,
+                  source)
+                  VALUES ($form->{id}, (SELECT id FROM chart
+                                     WHERE accno = '$accno'),
+                 $form->{"paid_$i"}, '$form->{"datepaid_$i"}',
+                 '$form->{"source_$i"}')|;
+      $dbh->do($query) || $form->dberror($query);
+
+      
+      $exchangerate = 0;
+      
+      if ($form->{currency} eq $form->{defaultcurrency}) {
+       $form->{"exchangerate_$i"} = 1;
+      } else {
+       $exchangerate = $form->check_exchangerate($myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
+       
+       $form->{"exchangerate_$i"} = ($exchangerate) ? $exchangerate : $form->parse_amount($myconfig, $form->{"exchangerate_$i"});
+      }
+      
+      
+      # exchangerate difference
+      $form->{fx}{$accno}{$form->{"datepaid_$i"}} += $form->{"paid_$i"} * ($form->{"exchangerate_$i"} - 1) + $diff;
+
+      
+      # gain/loss
+      $amount = $form->{"paid_$i"} * $form->{exchangerate} - $form->{"paid_$i"} * $form->{"exchangerate_$i"};
+      if ($amount > 0) {
+       $form->{fx}{$form->{fxgain_accno}}{$form->{"datepaid_$i"}} += $amount;
+      } else {
+       $form->{fx}{$form->{fxloss_accno}}{$form->{"datepaid_$i"}} += $amount;
+      }
+
+      $diff = 0;
+
+      # update exchange rate
+      if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
+       $form->update_exchangerate($dbh, $form->{currency}, $form->{"datepaid_$i"}, $form->{"exchangerate_$i"}, 0);
+      }
+    }
+  }
+
+  
+  # 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) {
+
+       $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+                   transdate, cleared, fx_transaction)
+                   VALUES ($form->{id},
+                          (SELECT id FROM chart
+                           WHERE accno = '$accno'),
+                   $form->{fx}{$accno}{$transdate}, '$transdate', '0', '1')|;
+       $dbh->do($query) || $form->dberror($query);
+      }
+    }
+  }
+
+  $amount = $netamount + $tax;
+  
+  # set values which could be empty to 0
+  $form->{terms} *= 1;
+  $form->{taxincluded} *= 1;
+  my $datepaid = ($form->{paid}) ? qq|'$form->{datepaid}'| : "NULL";
+  my $duedate = ($form->{duedate}) ? qq|'$form->{duedate}'| : "NULL";
+
+  # fill in subject if there is none
+  $form->{subject} = qq|$form->{label} $form->{invnumber}| unless $form->{subject};
+  # if there is a message stuff it into the notes
+  my $cc = "Cc: $form->{cc}\\r\n" if $form->{cc};
+  my $bcc = "Bcc: $form->{bcc}\\r\n" if $form->{bcc};
+  $form->{notes} .= qq|\r
+\r
+[email]\r
+To: $form->{email}\r
+$cc${bcc}Subject: $form->{subject}\r
+\r
+Message: $form->{message}\r| if $form->{message};
+
+  # save AR record
+  $query = qq|UPDATE ar set
+              invnumber = '$form->{invnumber}',
+             ordnumber = '$form->{ordnumber}',
+              transdate = '$form->{invdate}',
+              customer_id = $form->{customer_id},
+              amount = $amount,
+              netamount = $netamount,
+              paid = $form->{paid},
+             datepaid = $datepaid,
+             duedate = $duedate,
+             invoice = '1',
+             shippingpoint = '$form->{shippingpoint}',
+             terms = $form->{terms},
+             notes = '$form->{notes}',
+             taxincluded = '$form->{taxincluded}',
+             curr = '$form->{currency}'
+              WHERE id = $form->{id}
+             |;
+  $dbh->do($query) || $form->dberror($query);
+
+  # add shipto
+  $form->{name} = $form->{customer};
+  $form->{name} =~ s/--$form->{customer_id}//;
+  $form->add_shipto($dbh, $form->{id});
+
+  my $rc = $dbh->commit;
+  $dbh->disconnect;
+
+  $rc;
+  
+}
+
+
+sub process_assembly {
+  my ($dbh, $form, $id, $totalqty) = @_;
+
+  my $query = qq|SELECT a.parts_id, a.qty, p.assembly,
+                 p.partnumber, p.description, p.unit,
+                 p.inventory_accno_id, p.income_accno_id,
+                p.expense_accno_id
+                 FROM assembly a, parts p
+                WHERE a.parts_id = p.id
+                AND a.id = $id|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  
+  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+    my $allocated = 0;
+    
+    $ref->{inventory_accno_id} *= 1;
+    $ref->{expense_accno_id} *= 1;
+
+    map { $ref->{$_} =~ s/'/''/g } (qw(partnumber description unit));
+    
+    # multiply by number of assemblies
+    $ref->{qty} *= $totalqty;
+    
+    if ($ref->{assembly}) {
+      &process_assembly($dbh, $form, $ref->{parts_id}, $ref->{qty});
+      next;
+    } else {
+      if ($ref->{inventory_accno_id}) {
+       $allocated = &cogs($dbh, $form, $ref->{parts_id}, $ref->{qty});
+      }
+    }
+
+    # save detail record for individual assembly item in invoice table
+    $query = qq|INSERT INTO invoice (trans_id, description, parts_id, qty,
+                sellprice, fxsellprice, allocated, assemblyitem, unit)
+               VALUES
+               ($form->{id}, '$ref->{description}',
+               $ref->{parts_id}, $ref->{qty}, 0, 0, $allocated, 't',
+               '$ref->{unit}')|;
+    $dbh->do($query) || $form->dberror($query);
+        
+  }
+
+  $sth->finish;
+
+}
+
+
+sub cogs {
+  my ($dbh, $form, $id, $totalqty) = @_;
+    
+  my $query = qq|SELECT i.id, i.trans_id, i.qty, i.allocated, i.sellprice,
+                        (SELECT c.accno FROM chart c
+                        WHERE p.inventory_accno_id = c.id)
+                        AS inventory_accno,
+                       (SELECT c.accno FROM chart c
+                        WHERE p.expense_accno_id = c.id)
+                        AS expense_accno
+                 FROM invoice i, parts p
+                 WHERE i.parts_id = p.id
+                 AND i.parts_id = $id
+                 AND (i.qty + i.allocated) < 0
+                 ORDER BY trans_id|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  my $allocated = 0;
+  my $qty;
+  
+  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+    if (($qty = (($ref->{qty} * -1) - $ref->{allocated})) > $totalqty) {
+      $qty = $totalqty;
+    }
+    
+    $form->update_balance($dbh,
+                         "invoice",
+                         "allocated",
+                         qq|id = $ref->{id}|,
+                         $qty);
+
+    # total expenses and inventory
+    # sellprice is the cost of the item
+    $linetotal = $form->round_amount($ref->{sellprice} * $qty, 2);
+    
+    # add to expense
+    $form->{amount}{$form->{id}}{$ref->{expense_accno}} += -$linetotal;
+
+    # deduct inventory
+    $form->{amount}{$form->{id}}{$ref->{inventory_accno}} -= -$linetotal;
+
+    # add allocated
+    $allocated += -$qty;
+    
+    last if (($totalqty -= $qty) <= 0);
+  }
+
+  $sth->finish;
+
+  $allocated;
+  
+}
+
+
+
+sub reverse_invoice {
+  my ($dbh, $form) = @_;
+  
+  # reverse inventory items
+  my $query = qq|SELECT i.id, i.parts_id, i.qty, i.assemblyitem, p.assembly,
+                p.inventory_accno_id
+                 FROM invoice i, parts p
+                WHERE i.parts_id = p.id
+                AND i.trans_id = $form->{id}|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+    if ($ref->{inventory_accno_id} || $ref->{assembly}) {
+
+      # if the invoice item is not an assemblyitem adjust parts onhand
+      unless ($ref->{assemblyitem}) {
+       # adjust onhand in parts table
+       $form->update_balance($dbh,
+                             "parts",
+                             "onhand",
+                             qq|id = $ref->{parts_id}|,
+                             $ref->{qty});
+      }
+
+      # loop if it is an assembly
+      next if ($ref->{assembly});
+      
+      # de-allocated purchases
+      $query = qq|SELECT id, trans_id, allocated
+                  FROM invoice
+                 WHERE parts_id = $ref->{parts_id}
+                 AND allocated > 0
+                 ORDER BY trans_id DESC|;
+      my $sth = $dbh->prepare($query);
+      $sth->execute || $form->dberror($query);
+
+      while (my $inhref = $sth->fetchrow_hashref(NAME_lc)) {
+       $qty = $ref->{qty};
+       if (($ref->{qty} - $inhref->{allocated}) > 0) {
+         $qty = $inhref->{allocated};
+       }
+       
+       # update invoice
+       $form->update_balance($dbh,
+                             "invoice",
+                             "allocated",
+                             qq|id = $inhref->{id}|,
+                             $qty * -1);
+
+        last if (($ref->{qty} -= $qty) <= 0);
+      }
+      $sth->finish;
+    }
+  }
+  
+  $sth->finish;
+  
+  # delete acc_trans
+  $query = qq|DELETE FROM acc_trans
+              WHERE trans_id = $form->{id}|;
+  $dbh->do($query) || $form->dberror($query);
+  # delete invoice entries
+  $query = qq|DELETE FROM invoice
+              WHERE trans_id = $form->{id}|;
+  $dbh->do($query) || $form->dberror($query);
+
+  $query = qq|DELETE FROM shipto
+              WHERE trans_id = $form->{id}|;
+  $dbh->do($query) || $form->dberror($query);
+
+}
+
+
+
+sub delete_invoice {
+  my ($self, $myconfig, $form) = @_;
+
+  # connect to database
+  my $dbh = $form->dbconnect_noauto($myconfig);
+
+  # check for other foreign currency transactions
+  $form->delete_exchangerate($dbh) if ($form->{currency} ne $form->{defaultcurrency});
+  &reverse_invoice($dbh, $form);
+  
+  # delete AR record
+  my $query = qq|DELETE FROM ar
+                 WHERE id = $form->{id}|;
+  $dbh->do($query) || $form->dberror($query);
+
+  my $rc = $dbh->commit;
+  $dbh->disconnect;
+  
+  $rc;
+  
+}
+
+
+
+sub retrieve_invoice {
+  my ($self, $myconfig, $form) = @_;
+  
+  # connect to database
+  my $dbh = $form->dbconnect_noauto($myconfig);
+
+  my $query;
+  
+  if ($form->{id}) {
+    # get default accounts and last invoice number
+    $query = qq|SELECT (SELECT c.accno FROM chart c
+                        WHERE d.inventory_accno_id = c.id) AS inventory_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.income_accno_id = c.id) AS income_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.expense_accno_id = c.id) AS expense_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.fxgain_accno_id = c.id) AS fxgain_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.fxloss_accno_id = c.id) AS fxloss_accno,
+                d.curr AS currencies
+               FROM defaults d|;
+  } else {
+    $query = qq|SELECT (SELECT c.accno FROM chart c
+                        WHERE d.inventory_accno_id = c.id) AS inventory_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.income_accno_id = c.id) AS income_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.expense_accno_id = c.id) AS expense_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.fxgain_accno_id = c.id) AS fxgain_accno,
+                      (SELECT c.accno FROM chart c
+                       WHERE d.fxloss_accno_id = c.id) AS fxloss_accno,
+                d.invnumber, d.curr AS currencies, current_date AS invdate
+                FROM defaults d|;
+  }
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  my $ref = $sth->fetchrow_hashref(NAME_lc);
+  map { $form->{$_} = $ref->{$_} } keys %$ref;
+  $sth->finish;
+
+  
+  if ($form->{id}) {
+    
+    # retrieve invoice
+    $query = qq|SELECT a.invnumber, a.ordnumber, a.transdate AS invdate, a.paid,
+                a.shippingpoint, a.terms, a.notes, a.duedate, a.taxincluded,
+               a.curr AS currency, (SELECT e.name FROM employee e
+                                    WHERE e.id = a.employee_id) AS employee
+               FROM ar a
+               WHERE a.id = $form->{id}|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    $ref = $sth->fetchrow_hashref(NAME_lc);
+    map { $form->{$_} = $ref->{$_} } keys %$ref;
+    $sth->finish;
+
+    $form->{exchangerate} = $form->get_exchangerate($dbh, $form->{currency}, $form->{invdate}, "buy");
+
+    # get shipto
+    $query = qq|SELECT * FROM shipto
+                WHERE trans_id = $form->{id}|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    $ref = $sth->fetchrow_hashref(NAME_lc);
+    map { $form->{$_} = $ref->{$_} } keys %$ref;
+    $sth->finish;
+    
+    # retrieve individual items
+    $query = qq|SELECT c1.accno AS inventory_accno,
+                       c2.accno AS income_accno,
+                      c3.accno AS expense_accno,
+                i.description, i.qty, i.fxsellprice AS sellprice,
+               i.discount, i.parts_id AS id, i.unit, i.deliverydate,
+               pr.projectnumber,
+                i.project_id,
+               p.partnumber, p.assembly, p.bin,
+               pg.partsgroup
+               FROM invoice i
+               JOIN parts p ON (i.parts_id = p.id)
+               LEFT JOIN chart c1 ON (p.inventory_accno_id = c1.id)
+               LEFT JOIN chart c2 ON (p.income_accno_id = c2.id)
+               LEFT JOIN chart c3 ON (p.expense_accno_id = c3.id)
+               LEFT JOIN project pr ON (i.project_id = pr.id)
+               LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
+               WHERE i.trans_id = $form->{id}
+               AND NOT i.assemblyitem = '1'
+               ORDER BY i.id|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
+      # get taxes
+      $query = qq|SELECT c.accno
+                  FROM chart c, partstax pt
+                 WHERE pt.chart_id = c.id
+                 AND pt.parts_id = $ref->{id}|;
+      my $sth = $dbh->prepare($query);
+      $sth->execute || $form->dberror($query);
+
+      $ref->{taxaccounts} = "";
+      my $taxrate = 0;
+      
+      while (my $ptref = $sth->fetchrow_hashref(NAME_lc)) {
+       $ref->{taxaccounts} .= "$ptref->{accno} ";
+       $taxrate += $form->{"$ptref->{accno}_rate"};
+      }
+      $sth->finish;
+      chop $ref->{taxaccounts};
+
+      push @{ $form->{invoice_details} }, $ref;
+    }
+    $sth->finish;
+
+  } else {
+
+    $form->{shippingpoint} = $myconfig->{shippingpoint} unless $form->{shippingpoint};
+
+    # up invoice number by 1
+    $form->{invnumber}++;
+
+    # save the new number
+    $query = qq|UPDATE defaults
+                SET invnumber = '$form->{invnumber}'|;
+    $dbh->do($query) || $form->dberror($query);
+
+    $form->get_employee($dbh);
+
+  }
+
+
+  my $rc = $dbh->commit;
+  $dbh->disconnect;
+  
+  $rc;
+
+}
+
+
+sub get_customer {
+  my ($self, $myconfig, $form) = @_;
+  
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+
+  my $dateformat = $myconfig->{dateformat};
+  $dateformat .= "yy" if $myconfig->{dateformat} !~ /^y/;
+
+  my $duedate = ($form->{invdate}) ? "to_date('$form->{invdate}', '$dateformat')" : "current_date";
+
+  $form->{customer_id} *= 1;
+  # get customer
+  my $query = qq|SELECT c.name AS customer, c.discount, c.creditlimit, c.terms,
+                 c.email, c.cc, c.bcc, c.taxincluded,
+                c.addr1, c.addr2, c.addr3, c.addr4,
+                $duedate + c.terms AS duedate
+                 FROM customer c
+                WHERE c.id = $form->{customer_id}|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  $ref = $sth->fetchrow_hashref(NAME_lc);
+
+  map { $form->{$_} = $ref->{$_} } keys %$ref;
+  $sth->finish;
+  
+  $form->{creditremaining} = $form->{creditlimit};
+  $query = qq|SELECT SUM(amount - paid)
+             FROM ar
+             WHERE customer_id = $form->{customer_id}|;
+  $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  ($form->{creditremaining}) -= $sth->fetchrow_array;
+
+  $sth->finish;
+  
+  $query = qq|SELECT o.amount,
+                (SELECT e.buy FROM exchangerate e
+                WHERE e.curr = o.curr
+                AND e.transdate = o.transdate)
+             FROM oe o
+             WHERE o.customer_id = $form->{customer_id}
+             AND o.closed = '0'|;
+  $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  while (my ($amount, $exch) = $sth->fetchrow_array) {
+    $exch = 1 unless $exch;
+    $form->{creditremaining} -= $amount * $exch;
+  }
+  $sth->finish;
+
+
+  # get shipto if we did not converted an order or invoice
+  if (!$form->{shipto}) {
+    map { delete $form->{$_} } qw(shiptoname shiptoaddr1 shiptoaddr2 shiptoaddr3 shiptoaddr4 shiptocontact shiptophone shiptofax shiptoemail);
+
+    $query = qq|SELECT * FROM shipto
+                WHERE trans_id = $form->{customer_id}|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    $ref = $sth->fetchrow_hashref(NAME_lc);
+    map { $form->{$_} = $ref->{$_} } keys %$ref;
+    $sth->finish;
+  }
+      
+  # get taxes we charge for this customer
+  $query = qq|SELECT c.accno
+              FROM chart c, customertax ct
+             WHERE ct.chart_id = c.id
+             AND ct.customer_id = $form->{customer_id}|;
+  $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+  
+  my $customertax = ();
+  while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
+    $customertax{$ref->{accno}} = 1;
+  }
+  $sth->finish;
+    
+  # get tax rates and description
+  $query = qq|SELECT c.accno, c.description, t.rate, t.taxnumber
+             FROM chart c, tax t
+             WHERE c.id = t.chart_id
+             AND c.link LIKE '%CT_tax%'
+             ORDER BY accno|;
+  $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  $form->{taxaccounts} = "";
+  while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
+    if ($customertax{$ref->{accno}}) {
+      $form->{"$ref->{accno}_rate"} = $ref->{rate};
+      $form->{"$ref->{accno}_description"} = $ref->{description};
+      $form->{"$ref->{accno}_taxnumber"} = $ref->{taxnumber};
+      $form->{taxaccounts} .= "$ref->{accno} ";
+    }
+  }
+  $sth->finish;
+  chop $form->{taxaccounts};
+
+  # setup last accounts used for this customer
+  if (!$form->{id} && $form->{type} !~ /_order/) {
+    $query = qq|SELECT c.accno, c.description, c.link, c.category
+                FROM chart c
+               JOIN acc_trans ac ON (ac.chart_id = c.id)
+               JOIN ar a ON (a.id = ac.trans_id)
+               WHERE a.customer_id = $form->{customer_id}
+               AND NOT (c.link LIKE '%_tax%' OR c.link LIKE '%_paid%')
+               AND a.id IN (SELECT max(id) FROM ar
+                            WHERE customer_id = $form->{customer_id})|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    my $i = 0;
+    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
+      if ($ref->{category} eq 'I') {
+       $i++;
+       $form->{"AR_amount_$i"} = "$ref->{accno}--$ref->{description}";
+      }
+      if ($ref->{category} eq 'A') {
+       $form->{AR} = $form->{AR_1} = "$ref->{accno}--$ref->{description}";
+      }
+    }
+    $sth->finish;
+    $form->{rowcount} = $i if ($i && !$form->{type});
+  }
+  
+  $dbh->disconnect;
+
+}
+
+
+
+sub retrieve_item {
+  my ($self, $myconfig, $form) = @_;
+
+  my $i = $form->{rowcount};
+  my $var;
+  my $where = "NOT obsolete = '1'";
+
+  if ($form->{"partnumber_$i"}) {
+    $var = $form->like(lc $form->{"partnumber_$i"});
+    $where .= " AND lower(p.partnumber) LIKE '$var'";
+  }
+  if ($form->{"description_$i"}) {
+    $var = $form->like(lc $form->{"description_$i"});
+    $where .= " AND lower(p.description) LIKE '$var'";
+  }
+
+  if ($form->{"partsgroup_$i"}) {
+    $var = $form->like(lc $form->{"partsgroup_$i"});
+    $where .= " AND lower(pg.partsgroup) LIKE '$var'";
+  }
+
+  if ($form->{"description_$i"}) {
+    $where .= " ORDER BY description";
+  } else {
+    $where .= " ORDER BY partnumber";
+  }
+  
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+
+  my $query = qq|SELECT p.id, p.partnumber, p.description, p.sellprice,
+                        p.listprice,
+                       c1.accno AS inventory_accno,
+                       c2.accno AS income_accno,
+                       c3.accno AS expense_accno,
+                p.unit, p.assembly, p.bin, p.onhand, p.makemodel,
+                pg.partsgroup
+                 FROM parts p
+                LEFT JOIN chart c1 ON (p.inventory_accno_id = c1.id)
+                LEFT JOIN chart c2 ON (p.income_accno_id = c2.id)
+                LEFT JOIN chart c3 ON (p.expense_accno_id = c3.id)
+                LEFT JOIN partsgroup pg ON (pg.id = p.partsgroup_id)
+                WHERE $where|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+    # get taxes for part
+    $query = qq|SELECT c.accno
+                FROM chart c
+               JOIN partstax pt ON (c.id = pt.chart_id)
+               WHERE pt.parts_id = $ref->{id}|;
+    my $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    $ref->{taxaccounts} = "";
+    while (my $ptref = $sth->fetchrow_hashref(NAME_lc)) {
+      $ref->{taxaccounts} .= "$ptref->{accno} ";
+    }
+    $sth->finish;
+    chop $ref->{taxaccounts};
+
+    # get makemodel
+    if ($ref->{makemodel}) {
+      $query = qq|SELECT name
+                 FROM makemodel
+                 WHERE parts_id = $ref->{id}|;
+      $sth = $dbh->prepare($query);
+      $sth->execute || $form->dberror($query);
+      
+      $ref->{makemodel} = "";
+      while (my $ptref = $sth->fetchrow_hashref(NAME_lc)) {
+       $ref->{makemodel} .= "$ptref->{name}:";
+      }
+      $sth->finish;
+      chop $ref->{makemodel};
+    }
+
+    push @{ $form->{item_list} }, $ref;
+
+  }
+  
+  $sth->finish;
+  $dbh->disconnect;
+  
+}
+
+
+1;
+