Initial Import

git-svn-id: https://ledger-smb.svn.sourceforge.net/svnroot/ledger-smb/ledger-smb@1 4979c152-3d1c-0410-bac9-87ea11338e46

1 files changed, 1684 insertions, 0 deletions

diff --git a/LedgerSMB/IS.pm b/LedgerSMB/IS.pm
new file mode 100755
index 00000000..5bb7ef63
--- /dev/null
+++ b/LedgerSMB/IS.pm
@@ -0,0 +1,1684 @@
+#=====================================================================
+# LedgerSMB 
+# Small Medium Business Accounting software
+# 
+# See COPYRIGHT file for copyright information
+#======================================================================
+#
+# This file has NOT undergone whitespace cleanup.
+#
+#======================================================================
+#
+# Inventory invoicing module
+#
+#======================================================================
+
+package IS;
+
+
+sub invoice_details {
+  my ($self, $myconfig, $form) = @_;
+
+  $form->{duedate} = $form->{transdate} unless ($form->{duedate});
+
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+
+  my $query = qq|SELECT date '$form->{duedate}' - date '$form->{transdate}'
+                 AS terms, weightunit
+		 FROM defaults|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  ($form->{terms}, $form->{weightunit}) = $sth->fetchrow_array;
+  $sth->finish;
+
+  # this is for the template
+  $form->{invdate} = $form->{transdate};
+  
+  my $tax = 0;
+  my $item;
+  my $i;
+  my @sortlist = ();
+  my $projectnumber;
+  my $projectdescription;
+  my $projectnumber_id;
+  my $translation;
+  my $partsgroup;
+  
+  my %oid = ( 'Pg'	=> 'oid',
+              'PgPP'	=> 'oid',
+              'Oracle'	=> 'rowid',
+	      'DB2'	=> '1=1'
+	    );
+  
+  my @taxaccounts;
+  my %taxaccounts;
+  my $tax;
+  my $taxrate;
+  my $taxamount;
+ 
+  my %translations;
+  
+  $query = qq|SELECT p.description, t.description
+              FROM project p
+	      LEFT JOIN translation t ON (t.trans_id = p.id AND t.language_code = '$form->{language_code}')
+	      WHERE id = ?|;
+  my $prh = $dbh->prepare($query) || $form->dberror($query);
+
+  $query = qq|SELECT inventory_accno_id, income_accno_id,
+              expense_accno_id, assembly, weight FROM parts
+              WHERE id = ?|;
+  my $pth = $dbh->prepare($query) || $form->dberror($query);
+
+  my $sortby;
+  
+  # sort items by project and partsgroup
+  for $i (1 .. $form->{rowcount} - 1) {
+
+    # account numbers
+    $pth->execute($form->{"id_$i"});
+    $ref = $pth->fetchrow_hashref(NAME_lc);
+    for (keys %$ref) { $form->{"${_}_$i"} = $ref->{$_} }
+    $pth->finish;
+
+    $projectnumber_id = 0;
+    $projectnumber = "";
+    $form->{partsgroup} = "";
+    $form->{projectnumber} = "";
+    
+    if ($form->{groupprojectnumber} || $form->{grouppartsgroup}) {
+      
+      $inventory_accno_id = ($form->{"inventory_accno_id_$i"} || $form->{"assembly_$i"}) ? "1" : "";
+      
+      if ($form->{groupprojectnumber}) {
+	($projectnumber, $projectnumber_id) = split /--/, $form->{"projectnumber_$i"};
+      }
+      if ($form->{grouppartsgroup}) {
+	($form->{partsgroup}) = split /--/, $form->{"partsgroup_$i"};
+      }
+      
+      if ($projectnumber_id && $form->{groupprojectnumber}) {
+	if ($translation{$projectnumber_id}) {
+	  $form->{projectnumber} = $translation{$projectnumber_id};
+	} else {
+	  # get project description
+	  $prh->execute($projectnumber_id);
+	  ($projectdescription, $translation) = $prh->fetchrow_array;
+	  $prh->finish;
+	  
+	  $form->{projectnumber} = ($translation) ? "$projectnumber, $translation" : "$projectnumber, $projectdescription";
+
+	  $translation{$projectnumber_id} = $form->{projectnumber};
+	}
+      }
+
+      if ($form->{grouppartsgroup} && $form->{partsgroup}) {
+	$form->{projectnumber} .= " / " if $projectnumber_id;
+	$form->{projectnumber} .= $form->{partsgroup};
+      }
+      
+      $form->format_string(projectnumber);
+
+    }
+
+    $sortby = qq|$projectnumber$form->{partsgroup}|;
+    if ($form->{sortby} ne 'runningnumber') {
+      for (qw(partnumber description bin)) {
+	$sortby .= $form->{"${_}_$i"} if $form->{sortby} eq $_;
+      }
+    }
+
+    push @sortlist, [ $i, qq|$projectnumber$form->{partsgroup}$inventory_accno_id|, $form->{projectnumber}, $projectnumber_id, $form->{partsgroup}, $sortby ];
+
+  }
+
+  # sort the whole thing by project and group
+  @sortlist = sort { $a->[5] cmp $b->[5] } @sortlist;
+
+  my $runningnumber = 1;
+  my $sameitem = "";
+  my $subtotal;
+  my $k = scalar @sortlist;
+  my $j = 0;
+
+  foreach $item (@sortlist) {
+
+    $i = $item->[0];
+    $j++;
+
+    # heading
+    if ($form->{groupprojectnumber} || $form->{grouppartsgroup}) {
+      if ($item->[1] ne $sameitem) {
+	$sameitem = $item->[1];
+	
+	$ok = 0;
+
+	if ($form->{groupprojectnumber}) {
+	  $ok = $form->{"projectnumber_$i"};
+	}
+	if ($form->{grouppartsgroup}) {
+	  $ok = $form->{"partsgroup_$i"} unless $ok;
+	}
+
+	if ($ok) {
+	  
+	  if ($form->{"inventory_accno_id_$i"} || $form->{"assembly_$i"}) {
+	    push(@{ $form->{part} }, "");
+	    push(@{ $form->{service} }, NULL);
+	  } else {
+	    push(@{ $form->{part} }, NULL);
+	    push(@{ $form->{service} }, "");
+	  }
+    
+	  push(@{ $form->{description} }, $item->[2]);
+	  for (qw(taxrates runningnumber number sku serialnumber bin qty ship unit deliverydate projectnumber sellprice listprice netprice discount discountrate linetotal weight itemnotes)) { push(@{ $form->{$_} }, "") }
+	  push(@{ $form->{lineitems} }, { amount => 0, tax => 0 });
+	}
+      }
+    }
+      
+    $form->{"qty_$i"} = $form->parse_amount($myconfig, $form->{"qty_$i"});
+    
+    if ($form->{"qty_$i"}) {
+
+      $form->{totalqty} += $form->{"qty_$i"};
+      $form->{totalship} += $form->{"qty_$i"};
+      $form->{totalweight} += ($form->{"qty_$i"} * $form->{"weight_$i"});
+      $form->{totalweightship} += ($form->{"qty_$i"} * $form->{"weight_$i"});
+
+      # add number, description and qty to $form->{number}, ....
+      push(@{ $form->{runningnumber} }, $runningnumber++);
+      push(@{ $form->{number} }, $form->{"partnumber_$i"});
+      push(@{ $form->{sku} }, $form->{"sku_$i"});
+      push(@{ $form->{serialnumber} }, $form->{"serialnumber_$i"});
+      push(@{ $form->{bin} }, $form->{"bin_$i"});
+      push(@{ $form->{description} }, $form->{"description_$i"});
+      push(@{ $form->{itemnotes} }, $form->{"notes_$i"});
+      push(@{ $form->{qty} }, $form->format_amount($myconfig, $form->{"qty_$i"}));
+      push(@{ $form->{ship} }, $form->format_amount($myconfig, $form->{"qty_$i"}));
+      push(@{ $form->{unit} }, $form->{"unit_$i"});
+      push(@{ $form->{deliverydate} }, $form->{"deliverydate_$i"});
+      push(@{ $form->{projectnumber} }, $form->{"projectnumber_$i"});
+      
+      push(@{ $form->{sellprice} }, $form->{"sellprice_$i"});
+      
+      # listprice
+      push(@{ $form->{listprice} }, $form->{"listprice_$i"});
+      
+      push(@{ $form->{weight} }, $form->format_amount($myconfig, $form->{"weight_$i"} * $form->{"qty_$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;
+      
+      my $linetotal = $form->round_amount($form->{"qty_$i"} * $form->{"netprice_$i"}, 2);
+
+      if ($form->{"inventory_accno_id_$i"} || $form->{"assembly_$i"}) {
+	push(@{ $form->{part} }, $form->{"sku_$i"});
+	push(@{ $form->{service} }, NULL);
+	$form->{totalparts} += $linetotal;
+      } else {
+	push(@{ $form->{service} }, $form->{"sku_$i"});
+	push(@{ $form->{part} }, NULL);
+	$form->{totalservices} += $linetotal;
+      }
+
+      push(@{ $form->{netprice} }, ($form->{"netprice_$i"}) ? $form->format_amount($myconfig, $form->{"netprice_$i"}, $decimalplaces) : " ");
+      
+      $discount = ($discount) ? $form->format_amount($myconfig, $discount * -1, $decimalplaces) : " ";
+      $linetotal = ($linetotal) ? $linetotal : " ";
+      
+      push(@{ $form->{discount} }, $discount);
+      push(@{ $form->{discountrate} }, $form->format_amount($myconfig, $form->{"discount_$i"}));
+
+      $form->{total} += $linetotal;
+
+      # this is for the subtotals for grouping
+      $subtotal += $linetotal;
+
+      $form->{"linetotal_$i"} = $form->format_amount($myconfig, $linetotal, 2);
+      push(@{ $form->{linetotal} }, $form->{"linetotal_$i"});
+      
+      @taxaccounts = split / /, $form->{"taxaccounts_$i"};
+      
+      my $ml = 1;
+      my @taxrates = ();
+      
+      $tax = 0;
+      
+      for (0 .. 1) {
+	$taxrate = 0;
+	
+	for (@taxaccounts) { $taxrate += $form->{"${_}_rate"} if ($form->{"${_}_rate"} * $ml) > 0 }
+	
+	$taxrate *= $ml;
+	$taxamount = $linetotal * $taxrate / (1 + $taxrate);
+	$taxbase = ($linetotal - $taxamount);
+
+	foreach $item (@taxaccounts) {
+	  if (($form->{"${item}_rate"} * $ml) > 0) {
+	    
+	    push @taxrates, $form->{"${item}_rate"} * 100;
+	    
+	    if ($form->{taxincluded}) {
+	      $taxaccounts{$item} += $linetotal * $form->{"${item}_rate"} / (1 + $taxrate);
+	      $taxbase{$item} += $taxbase;
+	    } else {
+	      $taxbase{$item} += $linetotal;
+	      $taxaccounts{$item} += $linetotal * $form->{"${item}_rate"};
+	    }
+	  }
+	}
+
+	if ($form->{taxincluded}) {
+	  $tax += $linetotal * ($taxrate / (1 + ($taxrate * $ml)));
+	} else {
+	  $tax += $linetotal * $taxrate;
+	}
+	
+	$ml *= -1;
+      }
+
+      push(@{ $form->{lineitems} }, { amount => $linetotal, tax => $form->round_amount($tax, 2) });
+      push(@{ $form->{taxrates} }, join ' ', sort { $a <=> $b } @taxrates);
+      
+      if ($form->{"assembly_$i"}) {
+	$form->{stagger} = -1;
+	&assembly_details($myconfig, $form, $dbh, $form->{"id_$i"}, $oid{$myconfig->{dbdriver}}, $form->{"qty_$i"});
+      }
+
+    }
+
+    # add subtotal
+    if ($form->{groupprojectnumber} || $form->{grouppartsgroup}) {
+      if ($subtotal) {
+	if ($j < $k) {
+	  # look at next item
+	  if ($sortlist[$j]->[1] ne $sameitem) {
+
+	    if ($form->{"inventory_accno_id_$j"} || $form->{"assembly_$i"}) {
+	      push(@{ $form->{part} }, "");
+	      push(@{ $form->{service} }, NULL);
+	    } else {
+	      push(@{ $form->{service} }, "");
+	      push(@{ $form->{part} }, NULL);
+	    }
+
+	    for (qw(taxrates runningnumber number sku serialnumber bin qty ship unit deliverydate projectnumber sellprice listprice netprice discount discountrate weight itemnotes)) { push(@{ $form->{$_} }, "") }
+	    
+	    push(@{ $form->{description} }, $form->{groupsubtotaldescription});
+	    
+	    push(@{ $form->{lineitems} }, { amount => 0, tax => 0 });
+
+	    if ($form->{groupsubtotaldescription} ne "") {
+	      push(@{ $form->{linetotal} }, $form->format_amount($myconfig, $subtotal, 2));
+	    } else {
+	      push(@{ $form->{linetotal} }, "");
+	    }
+	    $subtotal = 0;
+	  }
+	  
+	} else {
+
+	  # got last item
+	  if ($form->{groupsubtotaldescription} ne "") {
+
+	    if ($form->{"inventory_accno_id_$j"} || $form->{"assembly_$i"}) {
+	      push(@{ $form->{part} }, "");
+	      push(@{ $form->{service} }, NULL);
+	    } else {
+	      push(@{ $form->{service} }, "");
+	      push(@{ $form->{part} }, NULL);
+	    }
+
+	    for (qw(taxrates runningnumber number sku serialnumber bin qty ship unit deliverydate projectnumber sellprice listprice netprice discount discountrate weight itemnotes)) { push(@{ $form->{$_} }, "") }
+
+	    push(@{ $form->{description} }, $form->{groupsubtotaldescription});
+	    push(@{ $form->{linetotal} }, $form->format_amount($myconfig, $subtotal, 2));
+	    push(@{ $form->{lineitems} }, { amount => 0, tax => 0 });
+	  }
+	}
+      }
+    }
+  }
+
+   
+  $tax = 0;
+  foreach my $item (sort keys %taxaccounts) {
+    if ($form->round_amount($taxaccounts{$item}, 2)) {
+      $tax += $taxamount = $form->round_amount($taxaccounts{$item}, 2);
+      
+      push(@{ $form->{taxbaseinclusive} }, $form->{"${item}_taxbaseinclusive"} = $form->format_amount($myconfig, $taxbase{$item} + $tax, 2));
+      push(@{ $form->{taxbase} }, $form->{"${item}_taxbase"} = $form->format_amount($myconfig, $taxbase{$item}, 2));
+      push(@{ $form->{tax} }, $form->{"${item}_tax"} = $form->format_amount($myconfig, $taxamount, 2));
+      
+      push(@{ $form->{taxdescription} }, $form->{"${item}_description"});
+      
+      $form->{"${item}_taxrate"} = $form->format_amount($myconfig, $form->{"${item}_rate"} * 100);
+      push(@{ $form->{taxrate} }, $form->{"${item}_taxrate"});
+      push(@{ $form->{taxnumber} }, $form->{"${item}_taxnumber"});
+    }
+  }
+    
+  # adjust taxes for lineitems
+  my $total = 0;
+  for (@{ $form->{lineitems} }) {
+    $total += $_->{tax};
+  }
+  if ($form->round_amount($total,2) != $form->round_amount($tax,2)) {
+    # get largest amount
+    for (reverse sort { $a->{tax} <=> $b->{tax} } @{ $form->{lineitems} }) {
+      $_->{tax} -= $total - $tax;
+      last;
+    }
+  }
+  $i = 1;
+  for (@{ $form->{lineitems} }) {
+    push(@{ $form->{linetax} }, $form->format_amount($myconfig, $_->{tax}, 2, ""));
+  }
+  
+ 
+  for $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"});
+      push(@{ $form->{paymentmemo} }, $form->{"memo_$i"});
+
+      $form->{paid} += $form->parse_amount($myconfig, $form->{"paid_$i"});
+    }
+  }
+
+  for (qw(totalparts totalservices)) { $form->{$_} = $form->format_amount($myconfig, $form->{$_}, 2) }
+  for (qw(totalqty totalship totalweight)) { $form->{$_} = $form->format_amount($myconfig, $form->{$_}) }
+  $form->{subtotal} = $form->format_amount($myconfig, $form->{total}, 2);
+  $form->{invtotal} = ($form->{taxincluded}) ? $form->{total} : $form->{total} + $tax;
+
+  use LedgerSMB::CP;
+  my $c;
+  if ($form->{language_code} ne "") {
+    $c = new CP $form->{language_code};
+  } else {
+    $c = new CP $myconfig->{countrycode};
+  }
+  $c->init;
+  my $whole;
+  ($whole, $form->{decimal}) = split /\./, $form->{invtotal};
+  $form->{decimal} .= "00";
+  $form->{decimal} = substr($form->{decimal}, 0, 2);
+  $form->{text_decimal} = $c->num2text($form->{decimal} * 1);
+  $form->{text_amount} = $c->num2text($whole);
+  $form->{integer_amount} = $form->format_amount($myconfig, $whole);
+ 
+  $form->format_string(qw(text_amount text_decimal));
+
+  $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);
+
+  $dbh->disconnect;
+  
+}
+
+
+sub assembly_details {
+  my ($myconfig, $form, $dbh, $id, $oid, $qty) = @_;
+  
+  my $sm = "";
+  my $spacer;
+  
+  $form->{stagger}++;
+  if ($form->{format} eq 'html') {
+    $spacer = "&nbsp;" x (3 * ($form->{stagger} - 1)) if $form->{stagger} > 1;
+  }
+  if ($form->{format} =~ /(postscript|pdf)/) {
+    if ($form->{stagger} > 1) {
+      $spacer = ($form->{stagger} - 1) * 3;
+      $spacer = '\rule{'.$spacer.'mm}{0mm}';
+    }
+  }
+  
+  # get parts and push them onto the stack
+  my $sortorder = "";
+
+  if ($form->{grouppartsgroup}) {
+    $sortorder = qq|ORDER BY pg.partsgroup, a.$oid|;
+  } else {
+    $sortorder = qq|ORDER BY a.$oid|;
+  }
+  
+  my $query = qq|SELECT p.partnumber, p.description, p.unit, a.qty,
+	         pg.partsgroup, p.partnumber AS sku
+	         FROM assembly a
+	         JOIN parts p ON (a.parts_id = p.id)
+	         LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
+	         WHERE a.bom = '1'
+	         AND a.id = '$id'
+	         $sortorder|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+    for (qw(partnumber description partsgroup)) {
+      $form->{"a_$_"} = $ref->{$_};
+      $form->format_string("a_$_");
+    }
+
+    if ($form->{grouppartsgroup} && $ref->{partsgroup} ne $sm) {
+      for (qw(taxrates runningnumber number sku serialnumber unit qty ship bin deliverydate projectnumber sellprice listprice netprice discount discountrate linetotal weight itemnotes)) { push(@{ $form->{$_} }, "") }
+      $sm = ($form->{"a_partsgroup"}) ? $form->{"a_partsgroup"} : "--";
+      push(@{ $form->{description} }, "$spacer$sm");
+      push(@{ $form->{lineitems} }, { amount => 0, tax => 0 });
+    }
+    
+    if ($form->{stagger}) {
+      
+      push(@{ $form->{description} }, $form->format_amount($myconfig, $ref->{qty} * $form->{"qty_$i"}) . qq| -- $form->{"a_partnumber"}, $form->{"a_description"}|);
+      for (qw(taxrates runningnumber number sku serialnumber unit qty ship bin deliverydate projectnumber sellprice listprice netprice discount discountrate linetotal weight itemnotes)) { push(@{ $form->{$_} }, "") }
+      
+    } else {
+      
+      push(@{ $form->{description} }, qq|$form->{"a_description"}|);
+      push(@{ $form->{number} }, $form->{"a_partnumber"});
+      push(@{ $form->{sku} }, $form->{"a_partnumber"});
+
+      for (qw(taxrates runningnumber ship serialnumber reqdate projectnumber sellprice listprice netprice discount discountrate linetotal weight itemnotes)) { push(@{ $form->{$_} }, "") }
+      
+    }
+
+    push(@{ $form->{lineitems} }, { amount => 0, tax => 0 });
+
+    push(@{ $form->{qty} }, $form->format_amount($myconfig, $ref->{qty} * $qty));
+    
+    for (qw(unit bin)) {
+      $form->{"a_$_"} = $ref->{$_};
+      $form->format_string("a_$_");
+      push(@{ $form->{$_} }, $form->{"a_$_"});
+    }
+
+  }
+  $sth->finish;
+
+  $form->{stagger}--;
+  
+}
+
+
+sub project_description {
+  my ($self, $dbh, $id) = @_;
+
+  my $query = qq|SELECT description
+                 FROM project
+		 WHERE id = $id|;
+  ($_) = $dbh->selectrow_array($query);
+
+  $_;
+
+}
+
+
+sub customer_details {
+  my ($self, $myconfig, $form) = @_;
+
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+  
+  # get rest for the customer
+  my $query = qq|SELECT customernumber, name, address1, address2, city,
+                 state, zipcode, country,
+	         contact, phone as customerphone, fax as customerfax,
+		 taxnumber AS customertaxnumber, sic_code AS sic, iban, bic,
+		 startdate, enddate
+	         FROM customer
+	         WHERE id = $form->{customer_id}|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  $ref = $sth->fetchrow_hashref(NAME_lc);
+  for (keys %$ref) { $form->{$_} = $ref->{$_} }
+
+  $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;
+  my $sth;
+  my $null;
+  my $project_id;
+  my $exchangerate = 0;
+  my $keepcleared = 0;
+  
+  %$form->{acc_trans} = ();
+
+  ($null, $form->{employee_id}) = split /--/, $form->{employee};
+  unless ($form->{employee_id}) {
+    ($form->{employee}, $form->{employee_id}) = $form->get_employee($dbh);
+  }
+  
+  ($null, $form->{department_id}) = split(/--/, $form->{department});
+  $form->{department_id} *= 1;
+
+  $query = qq|SELECT fxgain_accno_id, fxloss_accno_id
+              FROM defaults|;
+  my ($fxgain_accno_id, $fxloss_accno_id) = $dbh->selectrow_array($query);
+
+  $query = qq|SELECT p.assembly, p.inventory_accno_id,
+              p.income_accno_id, p.expense_accno_id, p.project_id
+	      FROM parts p
+	      WHERE p.id = ?|;
+  my $pth = $dbh->prepare($query) || $form->dberror($query);
+  
+  if ($form->{id}) {
+    $keepcleared = 1;
+    $query = qq|SELECT id FROM ar
+                WHERE id = $form->{id}|;
+
+    if ($dbh->selectrow_array($query)) {
+      &reverse_invoice($dbh, $form);
+    } else {
+      $query = qq|INSERT INTO ar (id)
+                  VALUES ($form->{id})|;
+      $dbh->do($query) || $form->dberror($query);
+    }
+    
+  }
+  
+  my $uid = localtime;
+  $uid .= "$$";
+ 
+  if (! $form->{id}) {
+   
+    $query = qq|INSERT INTO ar (invnumber, employee_id)
+                VALUES ('$uid', $form->{employee_id})|;
+    $dbh->do($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;
+    $sth->finish;
+  }
+
+
+  if ($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});
+
+  my $i;
+  my $item;
+  my $allocated = 0;
+  my $taxrate;
+  my $tax;
+  my $fxtax;
+  my @taxaccounts;
+  my $amount;
+  my $grossamount;
+  my $invamount = 0;
+  my $invnetamount = 0;
+  my $diff = 0;
+  my $ml;
+  my $invoice_id;
+  my $ndx;
+
+  foreach $i (1 .. $form->{rowcount}) {
+    $form->{"qty_$i"} = $form->parse_amount($myconfig, $form->{"qty_$i"});
+    
+    if ($form->{"qty_$i"}) {
+      
+      $pth->execute($form->{"id_$i"});
+      $ref = $pth->fetchrow_hashref(NAME_lc);
+      for (keys %$ref) { $form->{"${_}_$i"} = $ref->{$_} }
+      $pth->finish;
+
+      # project
+      $project_id = 'NULL';
+      if ($form->{"projectnumber_$i"}) {
+	($null, $project_id) = split /--/, $form->{"projectnumber_$i"};
+      }
+      $project_id = $form->{"project_id_$i"} if $form->{"project_id_$i"};
+
+      # 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;
+      
+      # undo discount formatting
+      $form->{"discount_$i"} = $form->parse_amount($myconfig, $form->{"discount_$i"})/100;
+     
+      # deduct discount
+      $form->{"sellprice_$i"} = $fxsellprice - $form->round_amount($fxsellprice * $form->{"discount_$i"}, $decimalplaces);
+      
+      # linetotal
+      my $fxlinetotal = $form->round_amount($form->{"sellprice_$i"} * $form->{"qty_$i"}, 2);
+
+      $amount = $fxlinetotal * $form->{exchangerate};
+      my $linetotal = $form->round_amount($amount, 2);
+      $fxdiff += $amount - $linetotal;
+      
+      @taxaccounts = split / /, $form->{"taxaccounts_$i"};
+      $ml = 1;
+      $tax = 0;
+      $fxtax = 0;
+      
+      for (0 .. 1) {
+	$taxrate = 0;
+
+	# add tax rates
+	for (@taxaccounts) { $taxrate += $form->{"${_}_rate"} if ($form->{"${_}_rate"} * $ml) > 0 }
+
+	if ($form->{taxincluded}) {
+	  $tax += $amount = $linetotal * ($taxrate / (1 + ($taxrate * $ml)));
+	  $form->{"sellprice_$i"} -= $amount / $form->{"qty_$i"};
+	  $fxtax += $fxlinetotal * ($taxrate / (1 + ($taxrate * $ml)));
+	} else {
+	  $tax += $amount = $linetotal * $taxrate;
+	  $fxtax += $fxlinetotal * $taxrate;
+	}
+
+        for (@taxaccounts) {
+	  $form->{acc_trans}{$form->{id}}{$_}{amount} += $amount * $form->{"${_}_rate"} / $taxrate if ($form->{"${_}_rate"} * $ml) > 0;
+	}
+	
+	$ml = -1;
+      }
+
+      $grossamount = $form->round_amount($linetotal, 2);
+      
+      if ($form->{taxincluded}) {
+	$amount = $form->round_amount($tax, 2);
+	$linetotal -= $form->round_amount($tax - $diff, 2);
+	$diff = ($amount - $tax);
+      }
+      
+      # add linetotal to income
+      $amount = $form->round_amount($linetotal, 2);
+
+      push @{ $form->{acc_trans}{lineitems} }, {
+        chart_id => $form->{"income_accno_id_$i"},
+	amount => $amount,
+	fxgrossamount => $fxlinetotal + $fxtax,
+	grossamount => $grossamount,
+	project_id => $project_id };
+      $ndx = $#{@{$form->{acc_trans}{lineitems}}};
+
+      $form->{"sellprice_$i"} = $form->round_amount($form->{"sellprice_$i"} * $form->{exchangerate}, $decimalplaces);
+  
+      if ($form->{"inventory_accno_id_$i"} || $form->{"assembly_$i"}) {
+	
+        if ($form->{"assembly_$i"}) {
+          # do not update if assembly consists of all services
+	  $query = qq|SELECT sum(p.inventory_accno_id), p.assembly
+	              FROM parts p
+		      JOIN assembly a ON (a.parts_id = p.id)
+		      WHERE a.id = $form->{"id_$i"}
+		      GROUP BY p.assembly|;
+          $sth = $dbh->prepare($query);
+	  $sth->execute || $form->dberror($query);
+	  my ($inv, $assembly) = $sth->fetchrow_array;
+	  $sth->finish;
+		      
+          if ($inv || $assembly) {
+	    $form->update_balance($dbh,
+				  "parts",
+				  "onhand",
+				  qq|id = $form->{"id_$i"}|,
+				  $form->{"qty_$i"} * -1) unless $form->{shipped};
+	  }
+
+	  &process_assembly($dbh, $form, $form->{"id_$i"}, $form->{"qty_$i"}, $project_id);
+	} else {
+	  $form->update_balance($dbh,
+	                        "parts",
+				"onhand",
+				qq|id = $form->{"id_$i"}|,
+				$form->{"qty_$i"} * -1) unless $form->{shipped};
+				
+	  $allocated = &cogs($dbh, $form, $form->{"id_$i"}, $form->{"qty_$i"}, $project_id);
+	}
+      }
+
+      # save detail record in invoice table
+      $query = qq|INSERT INTO invoice (description)
+                  VALUES ('$uid')|;
+      $dbh->do($query) || $form->dberror($query);
+
+      $query = qq|SELECT id FROM invoice
+                  WHERE description = '$uid'|;
+      ($invoice_id) = $dbh->selectrow_array($query);
+      
+      $query = qq|UPDATE invoice SET
+                  trans_id = $form->{id},
+		  parts_id = $form->{"id_$i"},
+		  description = |.$dbh->quote($form->{"description_$i"}).qq|,
+		  qty = $form->{"qty_$i"},
+                  sellprice = $form->{"sellprice_$i"},
+		  fxsellprice = $fxsellprice,
+		  discount = $form->{"discount_$i"},
+		  allocated = $allocated,
+		  unit = |.$dbh->quote($form->{"unit_$i"}).qq|,
+		  deliverydate = |.$form->dbquote($form->{"deliverydate_$i"}, SQL_DATE).qq|,
+		  project_id = $project_id,
+		  serialnumber = |.$dbh->quote($form->{"serialnumber_$i"}).qq|,
+		  notes = |.$dbh->quote($form->{"notes_$i"}).qq|
+		  WHERE id = $invoice_id|;
+      $dbh->do($query) || $form->dberror($query);
+
+      # add invoice_id
+      $form->{acc_trans}{lineitems}[$ndx]->{invoice_id} = $invoice_id;
+      
+    }
+  }
+
+  $form->{paid} = 0;
+  for $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 ($form->{"paid_$i"});
+  }
+  
+  # add lineitems + tax
+  $amount = 0;
+  $grossamount = 0;
+  $fxgrossamount = 0;
+  for (@{ $form->{acc_trans}{lineitems} }) {
+    $amount += $_->{amount};
+    $grossamount += $_->{grossamount};
+    $fxgrossamount += $_->{fxgrossamount};
+  }
+  $invnetamount = $amount;
+  
+  $amount = 0;
+  for (split / /, $form->{taxaccounts}) { $amount += $form->{acc_trans}{$form->{id}}{$_}{amount} = $form->round_amount($form->{acc_trans}{$form->{id}}{$_}{amount}, 2) }
+  $invamount = $invnetamount + $amount;
+
+  $diff = 0;
+  if ($form->{taxincluded}) {
+    $diff = $form->round_amount($grossamount - $invamount, 2);
+    $invamount += $diff;
+  }
+  $fxdiff = $form->round_amount($fxdiff,2);
+  $invnetamount += $fxdiff;
+  $invamount += $fxdiff;
+
+  if ($form->round_amount($form->{paid} - $fxgrossamount,2) == 0) {
+    $form->{paid} = $invamount;
+  } else {
+    $form->{paid} = $form->round_amount($form->{paid} * $form->{exchangerate}, 2);
+  }
+
+  foreach $ref (sort { $b->{amount} <=> $a->{amount} } @ { $form->{acc_trans}{lineitems} }) {
+    $amount = $ref->{amount} + $diff + $fxdiff;
+    $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+		transdate, project_id, invoice_id)
+		VALUES ($form->{id}, $ref->{chart_id}, $amount,
+	      '$form->{transdate}', $ref->{project_id}, $ref->{invoice_id})|;
+    $dbh->do($query) || $form->dberror($query);
+    $diff = 0;
+    $fxdiff = 0;
+  }
+  
+  $form->{receivables} = $invamount * -1;
+ 
+  delete $form->{acc_trans}{lineitems};
+  
+  # update exchangerate
+  if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
+    $form->update_exchangerate($dbh, $form->{currency}, $form->{transdate}, $form->{exchangerate}, 0);
+  }
+
+  # record receivable
+  if ($form->{receivables}) {
+    ($accno) = split /--/, $form->{AR};
+
+    $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+                transdate)
+                VALUES ($form->{id},
+		       (SELECT id FROM chart
+		        WHERE accno = '$accno'),
+                $form->{receivables}, '$form->{transdate}')|;
+    $dbh->do($query) || $form->dberror($query);
+  }
+
+  foreach my $trans_id (keys %{$form->{acc_trans}}) {
+    foreach my $accno (keys %{$form->{acc_trans}{$trans_id}}) {
+      $amount = $form->round_amount($form->{acc_trans}{$trans_id}{$accno}{amount}, 2);
+      if ($amount) {
+	$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+		    transdate)
+		    VALUES ($trans_id, (SELECT id FROM chart
+					WHERE accno = '$accno'),
+		    $amount, '$form->{transdate}')|;
+	$dbh->do($query) || $form->dberror($query);
+      }
+    }
+  }
+
+  
+  # if there is no amount but a payment record receivable
+  if ($invamount == 0) {
+    $form->{receivables} = 1;
+  }
+  
+  my $cleared = 0;
+  
+  # record payments and offsetting AR
+  for $i (1 .. $form->{paidaccounts}) {
+    
+    if ($form->{"paid_$i"}) {
+      my ($accno) = split /--/, $form->{"AR_paid_$i"};
+      $form->{"datepaid_$i"} = $form->{transdate} unless ($form->{"datepaid_$i"});
+      $form->{datepaid} = $form->{"datepaid_$i"};
+      
+      $exchangerate = 0;
+      
+      if ($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"});
+      }
+      
+ 
+      # record AR
+      $amount = $form->round_amount($form->{"paid_$i"} * $form->{exchangerate}, 2);
+
+      if ($form->{receivables}) {
+	$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+	            transdate)
+		    VALUES ($form->{id}, (SELECT id FROM chart
+					WHERE accno = '$form->{AR}'),
+		    $amount, '$form->{"datepaid_$i"}')|;
+	$dbh->do($query) || $form->dberror($query);
+      }
+
+      # record payment
+      $amount = $form->{"paid_$i"} * -1;
+      if ($keepcleared) {
+	$cleared = ($form->{"cleared_$i"}) ? 1 : 0;
+      }
+      
+      $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate,
+                  source, memo, cleared)
+                  VALUES ($form->{id}, (SELECT id FROM chart
+		                      WHERE accno = '$accno'),
+		  $amount, '$form->{"datepaid_$i"}', |
+		  .$dbh->quote($form->{"source_$i"}).qq|, |
+		  .$dbh->quote($form->{"memo_$i"}).qq|, '$cleared')|;
+      $dbh->do($query) || $form->dberror($query);
+
+      # exchangerate difference
+      $amount = $form->round_amount(($form->round_amount($form->{"paid_$i"} * $form->{"exchangerate_$i"} - $form->{"paid_$i"}, 2)) * -1, 2);
+
+      if ($amount) { 
+	$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+	            transdate, source, fx_transaction, cleared)
+		    VALUES ($form->{id}, (SELECT id FROM chart
+					WHERE accno = '$accno'),
+		    $amount, '$form->{"datepaid_$i"}', |
+		    .$dbh->quote($form->{"source_$i"}).qq|, '1', '$cleared')|;
+	$dbh->do($query) || $form->dberror($query);
+      }
+     
+      # gain/loss
+      $amount = $form->round_amount(($form->round_amount($form->{"paid_$i"} * $form->{exchangerate},2) - $form->round_amount($form->{"paid_$i"} * $form->{"exchangerate_$i"},2)) * -1, 2);
+
+      if ($amount) {
+	my $accno_id = ($amount > 0) ? $fxgain_accno_id : $fxloss_accno_id;
+	$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
+	            transdate, fx_transaction, cleared)
+	            VALUES ($form->{id}, $accno_id,
+		    $amount, '$form->{"datepaid_$i"}', '1', '$cleared')|;
+	$dbh->do($query) || $form->dberror($query);
+      }
+	
+      # update exchange rate
+      if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
+	$form->update_exchangerate($dbh, $form->{currency}, $form->{"datepaid_$i"}, $form->{"exchangerate_$i"}, 0);
+      }
+    }
+  }
+
+  # set values which could be empty to 0
+  $form->{terms} *= 1;
+  $form->{taxincluded} *= 1;
+
+  # if this is from a till
+  my $till = ($form->{till}) ? qq|'$form->{till}'| : "NULL";
+
+  $form->{invnumber} = $form->update_defaults($myconfig, "sinumber", $dbh) unless $form->{invnumber};
+  
+  # save AR record
+  $query = qq|UPDATE ar set
+              invnumber = |.$dbh->quote($form->{invnumber}).qq|,
+	      ordnumber = |.$dbh->quote($form->{ordnumber}).qq|,
+	      quonumber = |.$dbh->quote($form->{quonumber}).qq|,
+              transdate = '$form->{transdate}',
+              customer_id = $form->{customer_id},
+              amount = $invamount,
+              netamount = $invnetamount,
+              paid = $form->{paid},
+	      datepaid = |.$form->dbquote($form->{datepaid}, SQL_DATE).qq|,
+	      duedate = |.$form->dbquote($form->{duedate}, SQL_DATE).qq|,
+	      invoice = '1',
+	      shippingpoint = |.$dbh->quote($form->{shippingpoint}).qq|,
+	      shipvia = |.$dbh->quote($form->{shipvia}).qq|,
+	      terms = $form->{terms},
+	      notes = |.$dbh->quote($form->{notes}).qq|,
+	      intnotes = |.$dbh->quote($form->{intnotes}).qq|,
+	      taxincluded = '$form->{taxincluded}',
+	      curr = '$form->{currency}',
+	      department_id = $form->{department_id},
+	      employee_id = $form->{employee_id},
+	      till = $till,
+	      language_code = '$form->{language_code}',
+	      ponumber = |.$dbh->quote($form->{ponumber}).qq|
+              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});
+
+  # save printed, emailed and queued
+  $form->save_status($dbh);
+  
+  my %audittrail = ( tablename  => 'ar',
+                     reference  => $form->{invnumber},
+		     formname   => $form->{type},
+		     action     => 'posted',
+		     id         => $form->{id} );
+ 
+  $form->audittrail($dbh, "", \%audittrail);
+
+  $form->save_recurring($dbh, $myconfig);
+
+  my $rc = $dbh->commit;
+
+  $dbh->disconnect;
+
+  $rc;
+  
+}
+
+
+sub process_assembly {
+  my ($dbh, $form, $id, $totalqty, $project_id) = @_;
+
+  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
+		 JOIN parts p ON (a.parts_id = p.id)
+		 WHERE a.id = $id|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  my $allocated;
+  
+  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+    $allocated = 0;
+    
+    $ref->{inventory_accno_id} *= 1;
+    $ref->{expense_accno_id} *= 1;
+
+    # multiply by number of assemblies
+    $ref->{qty} *= $totalqty;
+    
+    if ($ref->{assembly}) {
+      &process_assembly($dbh, $form, $ref->{parts_id}, $ref->{qty}, $project_id);
+      next;
+    } else {
+      if ($ref->{inventory_accno_id}) {
+	$allocated = &cogs($dbh, $form, $ref->{parts_id}, $ref->{qty}, $project_id);
+      }
+    }
+
+    # 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}, |
+		.$dbh->quote($ref->{description}).qq|,
+		$ref->{parts_id}, $ref->{qty}, 0, 0, $allocated, 't', |
+		.$dbh->quote($ref->{unit}).qq|)|;
+    $dbh->do($query) || $form->dberror($query);
+	 
+  }
+
+  $sth->finish;
+
+}
+
+
+sub cogs {
+  my ($dbh, $form, $id, $totalqty, $project_id) = @_;
+
+  my $query = qq|SELECT i.id, i.trans_id, i.qty, i.allocated, i.sellprice,
+                 i.fxsellprice, p.inventory_accno_id, p.expense_accno_id
+		 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
+    my $linetotal = $form->round_amount($ref->{sellprice} * $qty, 2);
+
+    # add expense
+    push @{ $form->{acc_trans}{lineitems} }, {
+      chart_id => $ref->{expense_accno_id},
+      amount => $linetotal * -1,
+      project_id => $project_id,
+      invoice_id => $ref->{id} };
+
+    # deduct inventory
+    push @{ $form->{acc_trans}{lineitems} }, {
+      chart_id => $ref->{inventory_accno_id},
+      amount => $linetotal,
+      project_id => $project_id,
+      invoice_id => $ref->{id} };
+
+    # add allocated
+    $allocated += -$qty;
+    
+    last if (($totalqty -= $qty) <= 0);
+  }
+
+  $sth->finish;
+
+  $allocated;
+  
+}
+
+
+
+sub reverse_invoice {
+  my ($dbh, $form) = @_;
+  
+  my $query = qq|SELECT id FROM ar
+                 WHERE id = $form->{id}|;
+  my ($id) = $dbh->selectrow_array($query);
+
+  return unless $id;
+
+  # 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
+		 JOIN parts p ON (i.parts_id = p.id)
+		 WHERE 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} || $ref->{assembly}) {
+
+      # if the invoice item is not an assemblyitem adjust parts onhand
+      if (!$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);
+
+  $dbh->commit;
+
+}
+
+
+
+sub delete_invoice {
+  my ($self, $myconfig, $form, $spool) = @_;
+
+  # connect to database
+  my $dbh = $form->dbconnect_noauto($myconfig);
+
+  &reverse_invoice($dbh, $form);
+  
+  my %audittrail = ( tablename  => 'ar',
+                     reference  => $form->{invnumber},
+		     formname   => $form->{type},
+		     action     => 'deleted',
+		     id         => $form->{id} );
+ 
+  $form->audittrail($dbh, "", \%audittrail);
+     
+  # delete AR record
+  my $query = qq|DELETE FROM ar
+                 WHERE id = $form->{id}|;
+  $dbh->do($query) || $form->dberror($query);
+
+  # delete spool files
+  $query = qq|SELECT spoolfile FROM status
+              WHERE trans_id = $form->{id}
+	      AND spoolfile IS NOT NULL|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  my $spoolfile;
+  my @spoolfiles = ();
+  
+  while (($spoolfile) = $sth->fetchrow_array) {
+    push @spoolfiles, $spoolfile;
+  }
+  $sth->finish;  
+
+  # delete status entries
+  $query = qq|DELETE FROM status
+              WHERE trans_id = $form->{id}|;
+  $dbh->do($query) || $form->dberror($query);
+
+  my $rc = $dbh->commit;
+
+  if ($rc) {
+    foreach $spoolfile (@spoolfiles) {
+      unlink "$spool/$spoolfile" if $spoolfile;
+    }
+  }
+  
+  $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 d.curr AS currencies
+		FROM defaults d|;
+  } else {
+    $query = qq|SELECT d.curr AS currencies, current_date AS transdate
+                FROM defaults d|;
+  }
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  my $ref = $sth->fetchrow_hashref(NAME_lc);
+  for (keys %$ref) { $form->{$_} = $ref->{$_} }
+  $sth->finish;
+
+  
+  if ($form->{id}) {
+    
+    # retrieve invoice
+    $query = qq|SELECT a.invnumber, a.ordnumber, a.quonumber,
+                a.transdate, a.paid,
+                a.shippingpoint, a.shipvia, a.terms, a.notes, a.intnotes,
+		a.duedate, a.taxincluded, a.curr AS currency,
+		a.employee_id, e.name AS employee, a.till, a.customer_id,
+		a.language_code, a.ponumber
+		FROM ar a
+	        LEFT JOIN employee e ON (e.id = a.employee_id)
+		WHERE a.id = $form->{id}|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    $ref = $sth->fetchrow_hashref(NAME_lc);
+    for (keys %$ref) { $form->{$_} = $ref->{$_} }
+    $sth->finish;
+
+    # get shipto
+    $query = qq|SELECT * FROM shipto
+                WHERE trans_id = $form->{id}|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    $ref = $sth->fetchrow_hashref(NAME_lc);
+    for (keys %$ref) { $form->{$_} = $ref->{$_} }
+    $sth->finish;
+
+    # retrieve individual items
+    $query = qq|SELECT i.description, i.qty, i.fxsellprice, i.sellprice,
+		i.discount, i.parts_id AS id, i.unit, i.deliverydate,
+		i.project_id, pr.projectnumber, i.serialnumber, i.notes,
+		p.partnumber, p.assembly, p.bin,
+		pg.partsgroup, p.partsgroup_id, p.partnumber AS sku,
+		p.listprice, p.lastcost, p.weight, p.onhand,
+		p.inventory_accno_id, p.income_accno_id, p.expense_accno_id,
+		t.description AS partsgrouptranslation
+		FROM invoice i
+	        JOIN parts p ON (i.parts_id = p.id)
+	        LEFT JOIN project pr ON (i.project_id = pr.id)
+	        LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
+		LEFT JOIN translation t ON (t.trans_id = p.partsgroup_id AND t.language_code = '$form->{language_code}')
+		WHERE i.trans_id = $form->{id}
+		AND NOT i.assemblyitem = '1'
+		ORDER BY i.id|;
+    $sth = $dbh->prepare($query);
+    $sth->execute || $form->dberror($query);
+
+    # foreign currency
+    &exchangerate_defaults($dbh, $form);
+
+    # query for price matrix
+    my $pmh = &price_matrix_query($dbh, $form);
+    
+    # taxes
+    $query = qq|SELECT c.accno
+		FROM chart c
+		JOIN partstax pt ON (pt.chart_id = c.id)
+		WHERE pt.parts_id = ?|;
+    my $tth = $dbh->prepare($query) || $form->dberror($query);
+   
+    my $taxrate;
+    my $ptref;
+    
+    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+      my ($dec) = ($ref->{fxsellprice} =~ /\.(\d+)/);
+      $dec = length $dec;
+      my $decimalplaces = ($dec > 2) ? $dec : 2;
+
+      $tth->execute($ref->{id});
+
+      $ref->{taxaccounts} = "";
+      $taxrate = 0;
+      
+      while ($ptref = $tth->fetchrow_hashref(NAME_lc)) {
+	$ref->{taxaccounts} .= "$ptref->{accno} ";
+	$taxrate += $form->{"$ptref->{accno}_rate"};
+      }
+      $tth->finish;
+      chop $ref->{taxaccounts};
+
+      # price matrix
+      $ref->{sellprice} = ($ref->{fxsellprice} * $form->{$form->{currency}});
+      &price_matrix($pmh, $ref, $form->{transdate}, $decimalplaces, $form, $myconfig);
+      $ref->{sellprice} = $ref->{fxsellprice};
+
+      $ref->{partsgroup} = $ref->{partsgrouptranslation} if $ref->{partsgrouptranslation};
+      
+      push @{ $form->{invoice_details} }, $ref;
+    }
+    $sth->finish;
+
+  }
+
+  my $rc = $dbh->commit;
+  $dbh->disconnect;
+  
+  $rc;
+
+}
+
+
+sub retrieve_item {
+  my ($self, $myconfig, $form) = @_;
+  
+  # connect to database
+  my $dbh = $form->dbconnect($myconfig);
+
+  my $i = $form->{rowcount};
+  my $null;
+  my $var;
+
+  my $where = "WHERE p.obsolete = '0' AND NOT p.income_accno_id IS NULL";
+
+  if ($form->{"partnumber_$i"} ne "") {
+    $var = $form->like(lc $form->{"partnumber_$i"});
+    $where .= " AND lower(p.partnumber) LIKE '$var'";
+  }
+  if ($form->{"description_$i"} ne "") {
+    $var = $form->like(lc $form->{"description_$i"});
+    if ($form->{language_code} ne "") {
+      $where .= " AND lower(t1.description) LIKE '$var'";
+    } else {
+      $where .= " AND lower(p.description) LIKE '$var'";
+    }
+  }
+
+  if ($form->{"partsgroup_$i"} ne "") {
+    ($null, $var) = split /--/, $form->{"partsgroup_$i"};
+    $var *= 1;
+    if ($var == 0) {
+      # search by partsgroup, this is for the POS
+      $where .= qq| AND pg.partsgroup = '$form->{"partsgroup_$i"}'|;
+    } else {
+      $where .= qq| AND p.partsgroup_id = $var|;
+    }
+  }
+
+  if ($form->{"description_$i"} ne "") {
+    $where .= " ORDER BY 3";
+  } else {
+    $where .= " ORDER BY 2";
+  }
+  
+  my $query = qq|SELECT p.id, p.partnumber, p.description, p.sellprice,
+                 p.listprice, p.lastcost,
+		 p.unit, p.assembly, p.bin, p.onhand, p.notes,
+		 p.inventory_accno_id, p.income_accno_id, p.expense_accno_id,
+		 pg.partsgroup, p.partsgroup_id, p.partnumber AS sku,
+		 p.weight,
+		 t1.description AS translation,
+		 t2.description AS grouptranslation
+                 FROM parts p
+		 LEFT JOIN partsgroup pg ON (pg.id = p.partsgroup_id)
+		 LEFT JOIN translation t1 ON (t1.trans_id = p.id AND t1.language_code = '$form->{language_code}')
+		 LEFT JOIN translation t2 ON (t2.trans_id = p.partsgroup_id AND t2.language_code = '$form->{language_code}')
+	         $where|;
+  my $sth = $dbh->prepare($query);
+  $sth->execute || $form->dberror($query);
+
+  my $ref;
+  my $ptref;
+
+  # setup exchange rates
+  &exchangerate_defaults($dbh, $form);
+  
+  # taxes
+  $query = qq|SELECT c.accno
+	      FROM chart c
+	      JOIN partstax pt ON (c.id = pt.chart_id)
+	      WHERE pt.parts_id = ?|;
+  my $tth = $dbh->prepare($query) || $form->dberror($query);
+
+
+  # price matrix
+  my $pmh = &price_matrix_query($dbh, $form);
+
+  my $transdate = $form->datetonum($myconfig, $form->{transdate});
+  
+  while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
+
+    my ($dec) = ($ref->{sellprice} =~ /\.(\d+)/);
+    $dec = length $dec;
+    my $decimalplaces = ($dec > 2) ? $dec : 2;
+
+    # get taxes for part
+    $tth->execute($ref->{id});
+
+    $ref->{taxaccounts} = "";
+    while ($ptref = $tth->fetchrow_hashref(NAME_lc)) {
+      $ref->{taxaccounts} .= "$ptref->{accno} ";
+    }
+    $tth->finish;
+    chop $ref->{taxaccounts};
+
+    # get matrix
+    &price_matrix($pmh, $ref, $transdate, $decimalplaces, $form, $myconfig);
+
+    $ref->{description} = $ref->{translation} if $ref->{translation};
+    $ref->{partsgroup} = $ref->{grouptranslation} if $ref->{grouptranslation};
+    
+    push @{ $form->{item_list} }, $ref;
+
+  }
+  
+  $sth->finish;
+  $dbh->disconnect;
+  
+}
+
+
+sub price_matrix_query {
+  my ($dbh, $form) = @_;
+  
+  my $query = qq|SELECT p.id AS parts_id, 0 AS customer_id, 0 AS pricegroup_id,
+              0 AS pricebreak, p.sellprice, NULL AS validfrom, NULL AS validto,
+	      '$form->{defaultcurrency}' AS curr, '' AS pricegroup
+              FROM parts p
+	      WHERE p.id = ?
+
+	      UNION
+  
+              SELECT p.*, g.pricegroup
+              FROM partscustomer p
+	      LEFT JOIN pricegroup g ON (g.id = p.pricegroup_id)
+	      WHERE p.parts_id = ?
+	      AND p.customer_id = $form->{customer_id}
+	      
+	      UNION
+
+	      SELECT p.*, g.pricegroup 
+	      FROM partscustomer p 
+	      LEFT JOIN pricegroup g ON (g.id = p.pricegroup_id)
+	      JOIN customer c ON (c.pricegroup_id = g.id)
+	      WHERE p.parts_id = ?
+	      AND c.id = $form->{customer_id}
+	      
+	      UNION
+
+	      SELECT p.*, '' AS pricegroup
+	      FROM partscustomer p
+	      WHERE p.customer_id = 0
+	      AND p.pricegroup_id = 0
+	      AND p.parts_id = ?
+
+	      ORDER BY customer_id DESC, pricegroup_id DESC, pricebreak
+	      
+	      |;
+  my $sth = $dbh->prepare($query) || $form->dberror($query);
+
+  $sth;
+
+}
+
+
+sub price_matrix {
+  my ($pmh, $ref, $transdate, $decimalplaces, $form, $myconfig) = @_;
+
+  $pmh->execute($ref->{id}, $ref->{id}, $ref->{id}, $ref->{id});
+ 
+  $ref->{pricematrix} = "";
+  
+  my $customerprice;
+  my $pricegroupprice;
+  my $sellprice;
+  my $baseprice;
+  my $mref;
+  my %p = ();
+  my $i = 0;
+  
+  while ($mref = $pmh->fetchrow_hashref(NAME_lc)) {
+
+    # check date
+    if ($mref->{validfrom}) {
+      next if $transdate < $form->datetonum($myconfig, $mref->{validfrom});
+    }
+    if ($mref->{validto}) {
+      next if $transdate > $form->datetonum($myconfig, $mref->{validto});
+    }
+
+    # convert price
+    $sellprice = $form->round_amount($mref->{sellprice} * $form->{$mref->{curr}}, $decimalplaces);
+
+    $mref->{pricebreak} *= 1;
+
+    if ($mref->{customer_id}) {
+      $p{$mref->{pricebreak}} = $sellprice;
+      $customerprice = 1;
+    }
+
+    if ($mref->{pricegroup_id}) {
+      if (!$customerprice) {
+	$p{$mref->{pricebreak}} = $sellprice;
+	$pricegroupprice = 1;
+      }
+    }
+
+    if (!$customerprice && !$pricegroupprice) {
+      $p{$mref->{pricebreak}} = $sellprice;
+    }
+    
+    if (($mref->{pricebreak} + $mref->{customer_id} + $mref->{pricegroup_id}) == 0) {
+      $baseprice = $sellprice;
+    }
+
+    $i++;
+ 
+  }
+  $pmh->finish;
+
+  if (! exists $p{0}) {
+    $p{0} = $baseprice;
+  }
+  
+  if ($i > 1) {
+    $ref->{sellprice} = $p{0};
+    for (sort { $a <=> $b } keys %p) { $ref->{pricematrix} .= "${_}:$p{$_} " }
+  } else {
+    $ref->{sellprice} = $form->round_amount($p{0} * (1 - $form->{tradediscount}), $decimalplaces);
+    $ref->{pricematrix} = "0:$ref->{sellprice} " if $ref->{sellprice};
+  }
+  chop $ref->{pricematrix};
+
+}
+
+
+sub exchangerate_defaults {
+  my ($dbh, $form) = @_;
+
+  my $var;
+  
+  # get default currencies
+  my $query = qq|SELECT substr(curr,1,3), curr FROM defaults|;
+  my $eth = $dbh->prepare($query) || $form->dberror($query);
+  $eth->execute;
+  ($form->{defaultcurrency}, $form->{currencies}) = $eth->fetchrow_array;
+  $eth->finish;
+
+  $query = qq|SELECT buy
+              FROM exchangerate
+	      WHERE curr = ?
+	      AND transdate = ?|;
+  my $eth1 = $dbh->prepare($query) || $form->dberror($query);
+
+  $query = qq~SELECT max(transdate || ' ' || buy || ' ' || curr)
+              FROM exchangerate
+	      WHERE curr = ?~;
+  my $eth2 = $dbh->prepare($query) || $form->dberror($query);
+
+  # get exchange rates for transdate or max
+  foreach $var (split /:/, substr($form->{currencies},4)) {
+    $eth1->execute($var, $form->{transdate});
+    ($form->{$var}) = $eth1->fetchrow_array;
+    if (! $form->{$var} ) {
+      $eth2->execute($var);
+      
+      ($form->{$var}) = $eth2->fetchrow_array;
+      ($null, $form->{$var}) = split / /, $form->{$var};
+      $form->{$var} = 1 unless $form->{$var};
+      $eth2->finish;
+    }
+    $eth1->finish;
+  }
+
+  $form->{$form->{currency}} = $form->{exchangerate} if $form->{exchangerate};
+  $form->{$form->{currency}} ||= 1;
+  $form->{$form->{defaultcurrency}} = 1;
+
+}
+
+
+1;
+