#=====================================================================
# LedgerSMB 
# Small Medium Business Accounting software
# http://www.ledgersmb.org/
# 
# Copyright (C) 2006
# This work contains copyrighted information from a number of sources all used
# with permission.
#
# This file contains source code included with or based on SQL-Ledger which
# is Copyright Dieter Simader and DWS Systems Inc. 2000-2005 and licensed
# under the GNU General Public License version 2 or, at your option, any later
# version.  For a full list including contact information of contributors,
# maintainers, and copyright holders, see the CONTRIBUTORS file.
#
# Original Copyright Notice from SQL-Ledger 2.6.17 (before the fork):
# Copyright (C) 2000
#
#  Author: DWS Systems Inc.
#     Web: http://www.sql-ledger.org
#
#  Contributors: Jim Rawlings <jim@your-dba.com>
#`
#======================================================================
#
# This file has undergone whitespace cleanup.
#
#======================================================================
#
# Inventory invoicing module
#
#======================================================================

package IS;
use LedgerSMB::Tax;
use LedgerSMB::PriceMatrix;
use LedgerSMB::Sysconfig;


sub invoice_details {
	use LedgerSMB::CP;
	my ($self, $myconfig, $form) = @_;

	$form->{duedate} = $form->{transdate} unless ($form->{duedate});

	# connect to database
	my $dbh = $form->{dbh};

	my $query = qq|
		SELECT ?::date - ?::date
                       AS terms, value
		  FROM defaults
		 WHERE setting_key = 'weightunit'/|;
	my $sth = $dbh->prepare($query);
	$sth->execute($form->{duedate}, $form->{transdate})
		|| $form->dberror($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 @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 = ?)
		    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, 
						$form->{language_code});

					($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$form->{partsgroup}|.
				qq|$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"});
      
			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 = Tax::init_taxes(
				$form, $form->{"taxaccounts_$i"});
      
			my $ml = 1;
			my @taxrates = ();
      
			$tax = 0;
      
			if ($form->{taxincluded}) {
				$taxamount = Tax::calculate_taxes(
					\@taxaccounts, $form, $linetotal, 1);
				$taxbase = ($linetotal - $taxamount);
				$tax += Tax::extract_taxes(
					\@taxaccounts, $form, $linetotal);
			} else {
				$taxamount = Tax::calculate_taxes(
					\@taxaccounts, $form, $linetotal, 0);
				$tax += Tax::apply_taxes(
					\@taxaccounts, $form, $linetotal);
			}

			foreach $item (@taxaccounts) {
				push @taxrates, 100 * $item->rate;
				$taxaccounts{$item->account} += $item->value;
				if ($form->{taxincluded}) {
					$taxbase{$item->account} += $taxbase;
				} else {
					$taxbase{$item->account} += $linetotal;
				}
			}

			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;

	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->commit;
  
}


sub assembly_details {
	my ($myconfig, $form, $dbh2, $id, $oid, $qty) = @_;
  	$dbh  = $form->{dbh};
	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|;
	}
  
	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 = ?
		$sortorder|;
	my $sth = $dbh->prepare($query);
	$sth->execute($id) || $form->dberror($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"}|
					.qq|, $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, $dbh2, $id) = @_;
	$dbh = $form->{dbh};
	my $query = qq|
		SELECT description
		  FROM project
		 WHERE id = ?|;

	$sth = $dbh->prepare($query);
	$sth->execute($id);
	($_) = $sth->fetchrow_array($query);

	$_;

}


sub customer_details {
	my ($self, $myconfig, $form) = @_;

	my $dbh = $form->{dbh};
  
	# 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 = ?|;
	my $sth = $dbh->prepare($query);
	$sth->execute($form->{customer_id}) || $form->dberror($query);

	$ref = $sth->fetchrow_hashref(NAME_lc);
	for (keys %$ref) { $form->{$_} = $ref->{$_} }

	$sth->finish;
	$dbh->commit;

}


sub post_invoice {
	my ($self, $myconfig, $form) = @_;
  
	my $dbh = $form->{dbh};

	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;

	$query = qq|
		SELECT (SELECT value FROM defaults 
		         WHERE setting_key = fxgain_accno_id) 
		       AS fxgain_accno_id, 
		       (SELECT value FROM defaults
		         WHERE setting_key = fxloss_accno_id) 
		       AS fxloss_accno_id|;
	my ($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 = ?|;
		$sth = $dbh->prepare($query);
		$sth->execute($form->{id});

	 	if ($dbh->selectrow_array($query)) {
	 	 	&reverse_invoice($dbh, $form);
	 	} else {
			$query = qq|INSERT INTO ar (id) VALUES (?)|;
			$sth = $dbh->prepare($query); 
			$sth->execute($form->{id}) || $form->dberror($query);
		}
    
	}
  
	my $uid = localtime;
	$uid .= "$$";
 
	if (! $form->{id}) {
   
		$query = qq|
			INSERT INTO ar (invnumber, employee_id) 
			     VALUES ('$uid', ?)|;
		$sth = $dbh->prepare($query);
		$sth->execute($form->{employee_id}) || $form->dberror($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;

		@queries = $form->run_custom_queries('ar', 'INSERT');
	}


	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
			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 = Tax::init_taxes(
				$form, $form->{"taxaccounts_$i"});
			$ml = 1;
			$tax = 0;
			$fxtax = 0;
      
	 	 	if ($form->{taxincluded}) {
	 	 		$tax += $amount = 
					Tax::calculate_taxes(
						\@taxaccounts, $form,
						$linetotal, 1);
				$form->{"sellprice_$i"} -= $amount 
					/ $form->{"qty_$i"};

				$fxtax += Tax::calculate_taxes(
					\@taxaccounts, $form, $linetotal, 1);
			} else {
				$tax += $amount = Tax::calculate_taxes(
					\@taxaccounts, $form, $linetotal, 0);

				$fxtax += Tax::calculate_taxes(
					\@taxaccounts, $form, $linetotal, 0);
			}

			$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"}) {
					# If the assembly consists of all 
					# services, we don't keep inventory,
					# so we should not update it
					$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->{"id_$i"}) 
						|| $form->dberror($query);
					my ($inv, $assembly) 
						= $sth->fetchrow_array;
					$sth->finish;
		      
					if ($inv || $assembly) {
						$form->update_balance($dbh,
							"parts",
							"onhand",
							qq|id = |.
							qq|$form->{"id_$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);

			unless ($form->{"deliverydate_$i"}){
				undef $form->{"deliverydate_$i"};   
			}   
			$query = qq|
				UPDATE invoice 
				   SET trans_id = ?,
				       parts_id = ?,
				       description = ?,
				       qty = ?,
				       sellprice = ?,
				       fxsellprice = ?,
				       discount = ?,
				       allocated = ?,
				       unit = ?,
				       deliverydate = ?,
				       project_id = ?,
				       serialnumber = ?,
				       notes = ?
				      WHERE id = ?|;

			$sth = $dbh->prepare($query);
			$sth->execute(
				$form->{id},  $form->{"id_$i"}, 
				$form->{"description_$i"}, $form->{"qty_$i"},
				$form->{"sellprice_$i"}, $fxsellprice, 
				$form->{"discount_$i"}, $allocated, 
				$form->{"unit_$i"}, $form->{"deliverydate_$i"},
				$project_id, $form->{"serialnumber_$i"}, 
				$form->{"notes_$i"}, $invoice_id)
					|| $form->dberror($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 (?, ?, ?, ?, ?, ?)|;
		$sth = $dbh->prepare($query);
		$sth->execute(
			$form->{id}, $ref->{chart_id}, $amount, 
			$form->{transdate}, $ref->{project_id}, 
			$ref->{invoice_id}) 
				|| $form->dberror($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 (?, (SELECT id FROM chart WHERE accno = ?), 
			            ?, ?)|;

		$sth = $dbh->prepare($query);
		$sth->execute(
			$form->{id}, $accno, $form->{receivables}, 
			$form->{transdate})
				|| $form->dberror($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 (?, (SELECT id FROM chart
					             WHERE accno = ?),
					       ?, ?)|;

				$sth = $dbh->prepare($query);
				$sth->execute(
					$trans_id, $accno, $amount, 
					$form->{transdate})
						 || $form->dberror($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 (?, (SELECT id FROM chart
					                  WHERE accno = ?),
					            ?, ?)|;
				$sth = $dbh->prpare($query);
				$sth->execute(
					$form->{id}, $form->{AR}, $amount, 
					$form->{"datepaid_$i"}) 
						|| $form->dberror($query);
			}

			# record payment
			$amount = $form->{"paid_$i"} * -1;
			if ($keepcleared) {
				$cleared = ($form->{"cleared_$i"}) ? 1 : 0;
			}
      
			$query = qq|
				INSERT INTO acc_trans 
				            (trans_id, chart_id, amount, 
				            transdate, source, memo, cleared)
                  		     VALUES ($?, (SELECT id FROM chart
		                                   WHERE accno = ?),
		  		            ?, ?, ?, ?, ?)|;

			$sth = $dbh->prepare($query); 
			$sth->prepare(
				$form->{id}, $accno, $amount, 
				$form->{"datepaid_$i"}, $form->{"source_$i"},
				$form->{"memo_$i"}, $cleared) 
					|| $form->dberror($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 (?, (SELECT id FROM chart
					                   WHERE accno = >),
					            ?, ?, ?, '1', ?)|;

				$sth = $dbh->prepare($query);
				$sth->execute(
					$form->{id}, $accno, $amount,
					$form->{"datepaid_$i"}, 
					$form->{"source_$i"}, $cleared ) 
						|| $form->dberror($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 (?, ?, ?, ?, '1', ?)|;

				$sth = $dbh->prepare($query);
				$sth->execute(
					$form->{id}, $accno_id, $amount,
					$form->{"datepaid_$i"}, $cleared) 
						|| $form->dberror($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;


	$form->{invnumber} = 
		$form->update_defaults($myconfig, "sinumber", $dbh) 
			unless $form->{invnumber};

	# save AR record
	$query = qq|
		UPDATE ar set
		       invnumber = ?,
		       ordnumber = ?,
		       quonumber = ?,
		       transdate = ?,
		       customer_id = ?,
		       amount = ?,
		       netamount = ?,
		       paid = ?,
		       datepaid = ?,
		       duedate = ?,
		       invoice = '1',
		       shippingpoint = ?,
		       shipvia = ?,
		       terms = ?,
		       notes = ?,
		       intnotes = ?,
		       taxincluded = ?,
		       curr = ?,
		       department_id = ?,
		       employee_id = ?,
		       till = ?,
		       language_code = ?,
		       ponumber = ?
		 WHERE id = ?
             |;

	$sth = $dbh->prepare($query);
	$sth->execute(
		$form->{invnumber}, $form->{ordnumber}, $form->{quonumber},
		$form->{transdate}, $form->{customer_id}, $invamount,
		$invnetamount, $form->{paid}, $form->{datepaid}, 
		$form->{duedate}, $form->{shippingpoint}, $form->{shipvia},
		$form->{terms}, $form->{notes}, $form->{intnotes}, 
		$form->{taxincluded}, $form->{currency}, $form->{department_id},
		$form->{employee_id}, $till, $form->{language_code}, 
		$form->{ponumber}, $form->{id})
			 || $form->dberror($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;


	$rc;
  
}


sub process_assembly {
	my ($dbh2, $form, $id, $totalqty, $project_id) = @_;
	my $dbh = $form->{dbh};
	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 = ?|;
	my $sth = $dbh->prepare($query);
	$sth->execute($id) || $form->dberror($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);
			}
		}

		$query = qq|
			INSERT INTO invoice 
			            (trans_id, description, parts_id, qty,
 			            sellprice, fxsellprice, allocated, 
			            assemblyitem, unit)
			     VALUES (?, ?, ?, ?, 0, 0, ?, 't', ?)|;

		$sth = $dbh->prepare($query);
		$sth->execute(
			$form->{id}, $ref->{description}, $ref->{parts_id}, 
			$ref->{qty}, $allocated, $ref->{unit})
				|| $form->dberror($query);
	 
	}

	$sth->finish;

}


sub cogs {
	my ($dbh2, $form, $id, $totalqty, $project_id) = @_;
	my $dbh = $form->{dbh};
	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 = ?
		      AND (i.qty + i.allocated) < 0
		 ORDER BY trans_id|;
	my $sth = $dbh->prepare($query);
	$sth->execute($id) || $form->dberror($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;
	$dbh->commit;
}



sub reverse_invoice {
	my ($dbh2, $form) = @_;
	my $dbh = $form->{dbh};
	my $query = qq|
		SELECT id FROM ar
		WHERE id = ?|;

	my $sth;
	$sth = $dbh->prepare($query);
	$sth->execute($form->{id});
	my ($id) = $sth->fetchrow_array($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 = ?|;
	my $sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($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 = ?
				         AND allocated > 0
				ORDER BY trans_id DESC|;
			my $sth = $dbh->prepare($query);
			$sth->execute($ref->{parts_id}) 
				|| $form->dberror($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 = ?|;

	$sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($query);
 
	# delete invoice entries
	$query = qq|DELETE FROM invoice WHERE trans_id = ?|;
	$sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($query);

	$query = qq|DELETE FROM shipto WHERE trans_id = ?|;
	$sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($query);

	$dbh->commit;

}



sub delete_invoice {
	my ($self, $myconfig, $form) = @_;

	my $dbh = $form->{dbh};
	my $sth;

	&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 = ?|;
	$sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($query);

	# delete spool files
	$query = qq|
		SELECT spoolfile FROM status
		 WHERE trans_id = $form->{id} AND spoolfile IS NOT NULL|;
	$sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($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 = ?|;
	$sth = $dbh->prepare($query);
	$sth->execute($form->{id}) || $form->dberror($query);

	my $rc = $dbh->commit;

	if ($rc) {
		foreach $spoolfile (@spoolfiles) {
		unlink "${LedgerSMB::Sysconfig::spool}/$spoolfile" 
			if $spoolfile;
		}
	}
  
	$dbh->commit;
  
	$rc;
  
}



sub retrieve_invoice {
	my ($self, $myconfig, $form) = @_;
  
	my $dbh = $form->{dbh};

	my $query;

	if ($form->{id}) {
		# get default accounts and last invoice number
		$query = qq|
			SELECT value AS currencies FROM defaults
			 WHERE setting_key = 'curr'|;
	} else {
		$query = qq|
			SELECT value AS currencies, current_date AS transdate
			  FROM defaults
			 WHERE setting_key = 'curr'|;
	}
	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 = ?|;

		$sth = $dbh->prepare($query);
		$sth->execute($form->{id}) || $form->dberror($query);

		$ref = $sth->fetchrow_hashref(NAME_lc);
		for (keys %$ref) { $form->{$_} = $ref->{$_} }
		$sth->finish;

		# get shipto
		$query = qq|SELECT * FROM shipto WHERE trans_id = ?|;
		$sth = $dbh->prepare($query);
		$sth->execute($form->{id}) || $form->dberror($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 
			          = ?)
			    WHERE i.trans_id = ?
			          AND NOT i.assemblyitem = '1'
			 ORDER BY i.id|;
		$sth = $dbh->prepare($query);
		$sth->execute($form->{language_code}, $form->{id}) 
			|| $form->dberror($query);

		# foreign currency
		&exchangerate_defaults($dbh, $form);

		# query for price matrix
		my $pmh = PriceMatrix::price_matrix_query($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}});
			PriceMatrix::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;

	}

  
	@queries = $form->run_custom_queries('ar', 'SELECT');
	my $rc = $dbh->commit;
	$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 = $dbh->quote($form->like(lc $form->{"partnumber_$i"}));
		$where .= " AND lower(p.partnumber) LIKE $var";
	}
	if ($form->{"description_$i"} ne "") {
		$var = $dbh->quote($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 = $dbh->quote($var);
		if ($var == 0) {
			# search by partsgroup, this is for the POS
			$where .= qq| AND pg.partsgroup = |.
				$dbh->quote($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 = ?)
		LEFT JOIN translation t2 
		          ON (t2.trans_id = p.partsgroup_id 
		          AND t2.language_code = ?)
	         $where|;
	my $sth = $dbh->prepare($query);
	$sth->execute($form->{language_code}, $form->{language_code}) 
		|| $form->dberror($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 $pmh = PriceMatrix::price_matrix_query($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
		PriceMatrix::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->commit;
  
}


sub exchangerate_defaults {
	my ($dbh2, $form) = @_;
	$dbh = $form->{dbh};


	my $var;
  
	# get default currencies
	my $query = qq|
		SELECT substr(value,1,3), value FROM defaults
		 WHERE setting_key = 'curr'|;
	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;