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#=====================================================================
# LX-Office ERP
# Copyright (C) 2004
# Based on SQL-Ledger Version 2.1.9
# Web http://www.lx-office.org
#
#=====================================================================
# SQL-Ledger Accounting
# Copyright (C) 2001
#
# Author: Dieter Simader
# Email: dsimader@sql-ledger.org
# Web: http://www.sql-ledger.org
#
# Contributors:
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#======================================================================
#
# Accounts Receivable module backend routines
#
#======================================================================

package AR;

use Data::Dumper;
use SL::DATEV qw(:CONSTANTS);
use SL::DBUtils;
use SL::IO;
use SL::MoreCommon;
use SL::DB::Default;
use SL::TransNumber;

use strict;

sub post_transaction {
$main::lxdebug->enter_sub();

my ($self, $myconfig, $form, $provided_dbh, $payments_only) = @_;

my ($query, $sth, $null, $taxrate, $amount, $tax);
my $exchangerate = 0;
my $i;

my @values;

my $dbh = $provided_dbh ? $provided_dbh : $form->dbconnect_noauto($myconfig);
$form->{defaultcurrency} = $form->get_default_currency($myconfig);

# set exchangerate
$form->{exchangerate} = ($form->{currency} eq $form->{defaultcurrency}) ? 1 :
( $form->check_exchangerate($myconfig, $form->{currency}, $form->{transdate}, 'buy') ||
$form->parse_amount($myconfig, $form->{exchangerate}) );

# get the charts selected
map { ($form->{AR_amounts}{"amount_$_"}) = split /--/, $form->{"AR_amount_$_"} } 1 .. $form->{rowcount};

$form->{AR_amounts}{receivables} = $form->{ARselected};
$form->{AR}{receivables} = $form->{ARselected};

$form->{tax} = 0; # is this still needed?

# main calculation of rowcount loop inside Form method, amount_$i and tax_$i get formatted
$form->{taxincluded} = 0 unless $form->{taxincluded};
($form->{netamount},$form->{total_tax},$form->{amount}) = $form->calculate_arap('sell', $form->{taxincluded}, $form->{exchangerate});

# adjust paidaccounts if there is no date in the last row
# this does not apply to stornos, where the paid field is set manually
unless ($form->{storno}) {
$form->{paidaccounts}-- unless $form->{"datepaid_$form->{paidaccounts}"};
$form->{paid} = 0;

# add payments
for $i (1 .. $form->{paidaccounts}) {
$form->{"paid_$i"} = $form->round_amount($form->parse_amount($myconfig, $form->{"paid_$i"}), 2);
$form->{paid} += $form->{"paid_$i"};
$form->{datepaid} = $form->{"datepaid_$i"};
}

}
$form->{paid} = $form->round_amount($form->{paid} * ($form->{exchangerate} || 1), 2);

($null, $form->{employee_id}) = split /--/, $form->{employee};

$form->get_employee($dbh) unless $form->{employee_id};

# if we have an id delete old records else make one
if (!$payments_only) {
if ($form->{id}) {
# delete detail records
$query = qq|DELETE FROM acc_trans WHERE trans_id = ?|;
do_query($form, $dbh, $query, $form->{id});

} else {
$query = qq|SELECT nextval('glid')|;
($form->{id}) = selectrow_query($form, $dbh, $query);
$query = qq|INSERT INTO ar (id, invnumber, employee_id, currency_id, taxzone_id) VALUES (?, 'dummy', ?, (SELECT id FROM currencies WHERE name=?), (SELECT taxzone_id FROM customer WHERE id = ?))|;
do_query($form, $dbh, $query, $form->{id}, $form->{employee_id}, $form->{currency}, $form->{customer_id});
if (!$form->{invnumber}) {
my $trans_number = SL::TransNumber->new(type => 'invoice', dbh => $dbh, number => $form->{partnumber}, id => $form->{id});
$form->{invnumber} = $trans_number->create_unique;
}
}
}

# update department
($null, $form->{department_id}) = split(/--/, $form->{department});

# amount for AR account
$form->{receivables} = $form->round_amount($form->{amount}, 2) * -1;

# update exchangerate
$form->update_exchangerate($dbh, $form->{currency}, $form->{transdate}, $form->{exchangerate}, 0)
if ($form->{currency} ne $form->{defaultcurrency}) && !$form->check_exchangerate($myconfig, $form->{currency}, $form->{transdate}, 'buy');

if (!$payments_only) {
$query =
qq|UPDATE ar set
invnumber = ?, ordnumber = ?, transdate = ?, customer_id = ?,
taxincluded = ?, amount = ?, duedate = ?, paid = ?,
netamount = ?, notes = ?, department_id = ?,
employee_id = ?, storno = ?, storno_id = ?, globalproject_id = ?,
direct_debit = ?
WHERE id = ?|;
my @values = ($form->{invnumber}, $form->{ordnumber}, conv_date($form->{transdate}), conv_i($form->{customer_id}), $form->{taxincluded} ? 't' : 'f', $form->{amount},
conv_date($form->{duedate}), $form->{paid}, $form->{netamount}, $form->{notes}, conv_i($form->{department_id}),
conv_i($form->{employee_id}), $form->{storno} ? 't' : 'f', $form->{storno_id},
conv_i($form->{globalproject_id}), $form->{direct_debit} ? 't' : 'f', conv_i($form->{id}));
do_query($form, $dbh, $query, @values);

# add individual transactions for AR, amount and taxes
for $i (1 .. $form->{rowcount}) {
if ($form->{"amount_$i"} != 0) {
my $project_id = conv_i($form->{"project_id_$i"});

# insert detail records in acc_trans
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT c.id FROM chart c WHERE c.accno = ?), ?, ?, ?, ?, ?, (SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $form->{AR_amounts}{"amount_$i"}, conv_i($form->{"amount_$i"}), conv_date($form->{transdate}), $project_id,
conv_i($form->{"taxkey_$i"}), conv_i($form->{"tax_id_$i"}), $form->{AR_amounts}{"amount_$i"});
do_query($form, $dbh, $query, @values);

if ($form->{"tax_$i"} != 0) {
# insert detail records in acc_trans
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT c.id FROM chart c WHERE c.accno = ?), ?, ?, ?, ?, ?, (SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $form->{AR_amounts}{"tax_$i"}, conv_i($form->{"tax_$i"}), conv_date($form->{transdate}), $project_id,
conv_i($form->{"taxkey_$i"}), conv_i($form->{"tax_id_$i"}), $form->{AR_amounts}{"tax_$i"});
do_query($form, $dbh, $query, @values);
}
}
}

# add recievables
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, taxkey, tax_id, chart_link)
VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, (SELECT taxkey_id FROM chart WHERE accno = ?),
(SELECT tax_id
FROM taxkeys
WHERE chart_id= (SELECT id
FROM chart
WHERE accno = ?)
AND startdate <= ?
ORDER BY startdate DESC LIMIT 1),
(SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $form->{AR_amounts}{receivables}, conv_i($form->{receivables}), conv_date($form->{transdate}),
$form->{AR_amounts}{receivables}, $form->{AR_amounts}{receivables}, conv_date($form->{transdate}), $form->{AR_amounts}{receivables});
do_query($form, $dbh, $query, @values);

} else {
# Record paid amount.
$query = qq|UPDATE ar SET paid = ?, datepaid = ? WHERE id = ?|;
do_query($form, $dbh, $query, $form->{paid}, $form->{paid} ? conv_date($form->{datepaid}) : undef, conv_i($form->{id}));
}

# add paid transactions
for my $i (1 .. $form->{paidaccounts}) {

if ($form->{"acc_trans_id_$i"} && $payments_only && (SL::DB::Default->get->payments_changeable == 0)) {
next;
}

if ($form->{"paid_$i"} != 0) {
my $project_id = conv_i($form->{"paid_project_id_$i"});

$form->{"AR_paid_$i"} =~ s/\"//g;
($form->{AR}{"paid_$i"}) = split(/--/, $form->{"AR_paid_$i"});
$form->{"datepaid_$i"} = $form->{transdate}
unless ($form->{"datepaid_$i"});

$form->{"exchangerate_$i"} = ($form->{currency} eq $form->{defaultcurrency}) ? 1 :
( $form->check_exchangerate($myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy') ||
$form->parse_amount($myconfig, $form->{"exchangerate_$i"}) );

# if there is no amount and invtotal is zero there is no exchangerate
$form->{exchangerate} = $form->{"exchangerate_$i"}
if ($form->{amount} == 0 && $form->{netamount} == 0);

# receivables amount
$amount = $form->round_amount($form->{"paid_$i"} * $form->{exchangerate}, 2);

if ($amount != 0) {
# add receivable
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, ?, (SELECT taxkey_id FROM chart WHERE accno = ?),
(SELECT tax_id
FROM taxkeys
WHERE chart_id= (SELECT id
FROM chart
WHERE accno = ?)
AND startdate <= ?
ORDER BY startdate DESC LIMIT 1),
(SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $form->{AR}{receivables}, $amount, conv_date($form->{"datepaid_$i"}), $project_id, $form->{AR}{receivables}, $form->{AR}{receivables}, conv_date($form->{"datepaid_$i"}),
$form->{AR}{receivables});

do_query($form, $dbh, $query, @values);
}

if ($form->{"paid_$i"} != 0) {
# add payment
my $project_id = conv_i($form->{"paid_project_id_$i"});
my $gldate = (conv_date($form->{"gldate_$i"}))? conv_date($form->{"gldate_$i"}) : conv_date($form->current_date($myconfig));
$amount = $form->{"paid_$i"} * -1;
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, gldate, source, memo, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, ?, ?, ?, ?, (SELECT taxkey_id FROM chart WHERE accno = ?),
(SELECT tax_id
FROM taxkeys
WHERE chart_id= (SELECT id
FROM chart
WHERE accno = ?)
AND startdate <= ?
ORDER BY startdate DESC LIMIT 1),
(SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $form->{AR}{"paid_$i"}, $amount, conv_date($form->{"datepaid_$i"}), $gldate, $form->{"source_$i"}, $form->{"memo_$i"}, $project_id, $form->{AR}{"paid_$i"},
$form->{AR}{"paid_$i"}, conv_date($form->{"datepaid_$i"}), $form->{AR}{"paid_$i"});
do_query($form, $dbh, $query, @values);

# exchangerate difference for payment
$amount = $form->round_amount( $form->{"paid_$i"} * ($form->{"exchangerate_$i"} - 1) * -1, 2);

if ($amount != 0) {
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, fx_transaction, cleared, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 't', 'f', ?, (SELECT taxkey_id FROM chart WHERE accno = ?),
(SELECT tax_id
FROM taxkeys
WHERE chart_id= (SELECT id
FROM chart
WHERE accno = ?)
AND startdate <= ?
ORDER BY startdate DESC LIMIT 1),
(SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $form->{AR}{"paid_$i"}, $amount, conv_date($form->{"datepaid_$i"}), $project_id, $form->{AR}{"paid_$i"},
$form->{AR}{"paid_$i"}, conv_date($form->{"datepaid_$i"}), $form->{AR}{"paid_$i"});
do_query($form, $dbh, $query, @values);
}

# exchangerate gain/loss
$amount = $form->round_amount( $form->{"paid_$i"} * ($form->{exchangerate} - $form->{"exchangerate_$i"}) * -1, 2);

if ($amount != 0) {
my $accno = ($amount > 0) ? $form->{fxgain_accno} : $form->{fxloss_accno};
$query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, fx_transaction, cleared, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 't', 'f', ?, (SELECT taxkey_id FROM chart WHERE accno = ?),
(SELECT tax_id
FROM taxkeys
WHERE chart_id= (SELECT id
FROM chart
WHERE accno = ?)
AND startdate <= ?
ORDER BY startdate DESC LIMIT 1),
(SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = (conv_i($form->{id}), $accno, $amount, conv_date($form->{"datepaid_$i"}), $project_id, $accno, $accno, conv_date($form->{"datepaid_$i"}), $accno);
do_query($form, $dbh, $query, @values);
}
}

# update exchangerate record
$form->update_exchangerate($dbh, $form->{currency}, $form->{"datepaid_$i"}, $form->{"exchangerate_$i"}, 0)
if ($form->{currency} ne $form->{defaultcurrency}) && !$form->check_exchangerate($myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'buy');
}
}

IO->set_datepaid(table => 'ar', id => $form->{id}, dbh => $dbh);

# safety check datev export
if ($::instance_conf->get_datev_check_on_ar_transaction) {
my $transdate = $::form->{transdate} ? DateTime->from_lxoffice($::form->{transdate}) : undef;
$transdate ||= DateTime->today;

my $datev = SL::DATEV->new(
exporttype => DATEV_ET_BUCHUNGEN,
format => DATEV_FORMAT_KNE,
dbh => $dbh,
from => $transdate,
to => $transdate,
trans_id => $form->{id},
);

$datev->export;

if ($datev->errors) {
$dbh->rollback;
die join "\n", $::locale->text('DATEV check returned errors:'), $datev->errors;
}
}

my $rc = 1;
if (!$provided_dbh) {
$rc = $dbh->commit();
$dbh->disconnect();
}

$main::lxdebug->leave_sub() and return $rc;
}

sub _delete_payments {
$main::lxdebug->enter_sub();

my ($self, $form, $dbh) = @_;

my @delete_acc_trans_ids;

# Delete old payment entries from acc_trans.
my $query =
qq|SELECT acc_trans_id
FROM acc_trans
WHERE (trans_id = ?) AND fx_transaction

UNION

SELECT at.acc_trans_id
FROM acc_trans at
LEFT JOIN chart c ON (at.chart_id = c.id)
WHERE (trans_id = ?) AND (c.link LIKE '%AR_paid%')|;
push @delete_acc_trans_ids, selectall_array_query($form, $dbh, $query, conv_i($form->{id}), conv_i($form->{id}));

$query =
qq|SELECT at.acc_trans_id
FROM acc_trans at
LEFT JOIN chart c ON (at.chart_id = c.id)
WHERE (trans_id = ?)
AND ((c.link = 'AR') OR (c.link LIKE '%:AR') OR (c.link LIKE 'AR:%'))
ORDER BY at.acc_trans_id
OFFSET 1|;
push @delete_acc_trans_ids, selectall_array_query($form, $dbh, $query, conv_i($form->{id}));

if (@delete_acc_trans_ids) {
$query = qq|DELETE FROM acc_trans WHERE acc_trans_id IN (| . join(", ", @delete_acc_trans_ids) . qq|)|;
do_query($form, $dbh, $query);
}

$main::lxdebug->leave_sub();
}

sub post_payment {
$main::lxdebug->enter_sub();

my ($self, $myconfig, $form, $locale) = @_;

# connect to database, turn off autocommit
my $dbh = $form->dbconnect_noauto($myconfig);

my (%payments, $old_form, $row, $item, $query, %keep_vars);

$old_form = save_form();

# Delete all entries in acc_trans from prior payments.
if (SL::DB::Default->get->payments_changeable != 0) {
$self->_delete_payments($form, $dbh);
}

# Save the new payments the user made before cleaning up $form.
my $payments_re = '^datepaid_\d+$|^gldate_\d+$|^acc_trans_id_\d+$|^memo_\d+$|^source_\d+$|^exchangerate_\d+$|^paid_\d+$|^paid_project_id_\d+$|^AR_paid_\d+$|^paidaccounts$';
map { $payments{$_} = $form->{$_} } grep m/$payments_re/, keys %{ $form };

# Clean up $form so that old content won't tamper the results.
%keep_vars = map { $_, 1 } qw(login password id);
map { delete $form->{$_} unless $keep_vars{$_} } keys %{ $form };

# Retrieve the invoice from the database.
$form->create_links('AR', $myconfig, 'customer', $dbh);

# Restore the payment options from the user input.
map { $form->{$_} = $payments{$_} } keys %payments;

# Set up the content of $form in the way that AR::post_transaction() expects.

$self->setup_form($form, 1);

$form->{exchangerate} = $form->format_amount($myconfig, $form->{exchangerate});
$form->{defaultcurrency} = $form->get_default_currency($myconfig);

# Get the AR accno (which is normally done by Form::create_links()).
$query =
qq|SELECT c.accno
FROM acc_trans at
LEFT JOIN chart c ON (at.chart_id = c.id)
WHERE (trans_id = ?)
AND ((c.link = 'AR') OR (c.link LIKE '%:AR') OR (c.link LIKE 'AR:%'))
ORDER BY at.acc_trans_id
LIMIT 1|;

($form->{ARselected}) = selectfirst_array_query($form, $dbh, $query, conv_i($form->{id}));

# Post the new payments.
$self->post_transaction($myconfig, $form, $dbh, 1);

restore_form($old_form);

my $rc = $dbh->commit();
$dbh->disconnect();

$main::lxdebug->leave_sub();

return $rc;
}

sub delete_transaction {
$main::lxdebug->enter_sub();

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

# connect to database, turn AutoCommit off
my $dbh = $form->dbconnect_noauto($myconfig);

# acc_trans entries are deleted by database triggers.
my $query = qq|DELETE FROM ar WHERE id = ?|;
do_query($form, $dbh, $query, $form->{id});

# commit
my $rc = $dbh->commit;
$dbh->disconnect;

$main::lxdebug->leave_sub();

return $rc;
}

sub ar_transactions {
$main::lxdebug->enter_sub();

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

# connect to database
my $dbh = $form->get_standard_dbh($myconfig);

my @values;

my $query =
qq|SELECT DISTINCT a.id, a.invnumber, a.ordnumber, a.cusordnumber, a.transdate, | .
qq| a.duedate, a.netamount, a.amount, a.paid, | .
qq| a.invoice, a.datepaid, a.terms, a.notes, a.shipvia, | .
qq| a.shippingpoint, a.storno, a.storno_id, a.globalproject_id, | .
qq| a.marge_total, a.marge_percent, | .
qq| a.transaction_description, | .
qq| pr.projectnumber AS globalprojectnumber, | .
qq| c.name, c.customernumber, c.country, c.ustid, b.description as customertype, | .
qq| c.id as customer_id, | .
qq| e.name AS employee, | .
qq| e2.name AS salesman, | .
qq| tz.description AS taxzone, | .
qq| pt.description AS payment_terms, | .
qq{ ( SELECT ch.accno || ' -- ' || ch.description
FROM acc_trans at
LEFT JOIN chart ch ON ch.id = at.chart_id
WHERE ch.link ~ 'AR[[:>:]]'
AND at.trans_id = a.id
LIMIT 1
) AS charts } .
qq|FROM ar a | .
qq|JOIN customer c ON (a.customer_id = c.id) | .
qq|LEFT JOIN contacts cp ON (a.cp_id = cp.cp_id) | .
qq|LEFT JOIN employee e ON (a.employee_id = e.id) | .
qq|LEFT JOIN employee e2 ON (a.salesman_id = e2.id) | .
qq|LEFT JOIN project pr ON (a.globalproject_id = pr.id)| .
qq|LEFT JOIN tax_zones tz ON (tz.id = a.taxzone_id)| .
qq|LEFT JOIN payment_terms pt ON (pt.id = a.payment_id)| .
qq|LEFT JOIN business b ON (b.id = c.business_id)| .
qq|LEFT JOIN department d ON (d.id = a.department_id)|;

my $where = "1 = 1";

unless ( $::auth->assert('show_ar_transactions', 1) ) {
$where .= " AND NOT invoice = 'f' "; # remove ar transactions from Sales -> Reports -> Invoices
};

if ($form->{customernumber}) {
$where .= " AND c.customernumber = ?";
push(@values, $form->{customernumber});
}
if ($form->{customer_id}) {
$where .= " AND a.customer_id = ?";
push(@values, $form->{customer_id});
} elsif ($form->{customer}) {
$where .= " AND c.name ILIKE ?";
push(@values, $form->like($form->{customer}));
}
if ($form->{"cp_name"}) {
$where .= " AND (cp.cp_name ILIKE ? OR cp.cp_givenname ILIKE ?)";
push(@values, ('%' . $form->{"cp_name"} . '%')x2);
}
if ($form->{business_id}) {
my $business_id = $form->{business_id};
$where .= " AND c.business_id = ?";
push(@values, $business_id);
}
if ($form->{department_id}) {
my $department_id = $form->{department_id};
$where .= " AND a.department_id = ?";
push(@values, $department_id);
}
if ($form->{department}) {
my $department = "%" . $form->{department} . "%";
$where .= " AND d.description ILIKE ?";
push(@values, $department);
}
foreach my $column (qw(invnumber ordnumber cusordnumber notes transaction_description)) {
if ($form->{$column}) {
$where .= " AND a.$column ILIKE ?";
push(@values, $form->like($form->{$column}));
}
}
if ($form->{"project_id"}) {
$where .=
qq|AND ((a.globalproject_id = ?) OR EXISTS | .
qq| (SELECT * FROM invoice i | .
qq| WHERE i.project_id = ? AND i.trans_id = a.id) | .
qq| OR EXISTS | .
qq| (SELECT * FROM acc_trans at | .
qq| WHERE at.project_id = ? AND at.trans_id = a.id)| .
qq| )|;
push(@values, $form->{project_id}, $form->{project_id}, $form->{project_id});
}

if ($form->{transdatefrom}) {
$where .= " AND a.transdate >= ?";
push(@values, $form->{transdatefrom});
}
if ($form->{transdateto}) {
$where .= " AND a.transdate <= ?";
push(@values, $form->{transdateto});
}
if ($form->{open} || $form->{closed}) {
unless ($form->{open} && $form->{closed}) {
$where .= " AND a.amount <> a.paid" if ($form->{open});
$where .= " AND a.amount = a.paid" if ($form->{closed});
}
}

if (!$main::auth->assert('sales_all_edit', 1)) {
# only show own invoices
$where .= " AND a.employee_id = (select id from employee where login= ?)";
push (@values, $form->{login});
} else {
if ($form->{employee_id}) {
$where .= " AND a.employee_id = ?";
push @values, conv_i($form->{employee_id});
}
if ($form->{salesman_id}) {
$where .= " AND a.salesman_id = ?";
push @values, conv_i($form->{salesman_id});
}
};

my @a = qw(transdate invnumber name);
push @a, "employee" if $form->{l_employee};
my $sortdir = !defined $form->{sortdir} ? 'ASC' : $form->{sortdir} ? 'ASC' : 'DESC';
my $sortorder = join(', ', map { "$_ $sortdir" } @a);

if (grep({ $_ eq $form->{sort} } qw(id transdate duedate invnumber ordnumber cusordnumber name datepaid employee shippingpoint shipvia transaction_description))) {
$sortorder = $form->{sort} . " $sortdir";
}

$query .= " WHERE $where ORDER BY $sortorder";

my @result = selectall_hashref_query($form, $dbh, $query, @values);

$form->{AR} = [ @result ];

$main::lxdebug->leave_sub();
}

sub get_transdate {
$main::lxdebug->enter_sub();

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

# connect to database
my $dbh = $form->dbconnect($myconfig);

my $query =
"SELECT COALESCE(" .
" (SELECT transdate FROM ar WHERE id = " .
" (SELECT MAX(id) FROM ar) LIMIT 1), " .
" current_date)";
($form->{transdate}) = $dbh->selectrow_array($query);

$dbh->disconnect;

$main::lxdebug->leave_sub();
}

sub setup_form {
$main::lxdebug->enter_sub();

my ($self, $form, $for_post_payments) = @_;

my ($exchangerate, $akey, $j, $k, $index, $taxamount, $totaltax, $taxrate, $diff, $totalwithholding, $withholdingrate,
$totalamount, $tax);

# forex
$form->{forex} = $form->{exchangerate};
$exchangerate = $form->{exchangerate} ? $form->{exchangerate} : 1;

foreach my $key (keys %{ $form->{AR_links} }) {
$j = 0;
$k = 0;

# if there is a value we have an old entry
next unless $form->{acc_trans}{$key};

# do not use old entries for payments. They come from the form
# even if they are not changeable (then they are in hiddens)
next if $for_post_payments && $key eq "AR_paid";

for my $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
if ($key eq "AR_paid") {
$j++;
$form->{"AR_paid_$j"} = $form->{acc_trans}{$key}->[$i-1]->{accno};

$form->{"acc_trans_id_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{acc_trans_id};
# reverse paid
$form->{"paid_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{amount} * -1;
$form->{"datepaid_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{transdate};
$form->{"gldate_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{gldate};
$form->{"source_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{source};
$form->{"memo_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{memo};
$form->{"forex_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
$form->{"exchangerate_$i"} = $form->{"forex_$j"};
$form->{"paid_project_id_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{project_id};
$form->{paidaccounts}++;

} else {

$akey = $key;
$akey =~ s/AR_//;

if ($key eq "AR_tax" || $key eq "AP_tax") {
$form->{"${key}_$form->{acc_trans}{$key}->[$i-1]->{accno}"} = "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";
$form->{"${akey}_$form->{acc_trans}{$key}->[$i-1]->{accno}"} = $form->round_amount($form->{acc_trans}{$key}->[$i - 1]->{amount} / $exchangerate, 2);

if ($form->{"$form->{acc_trans}{$key}->[$i-1]->{accno}_rate"} > 0) {
$totaltax += $form->{"${akey}_$form->{acc_trans}{$key}->[$i-1]->{accno}"};
$taxrate += $form->{"$form->{acc_trans}{$key}->[$i-1]->{accno}_rate"};

} else {
$totalwithholding += $form->{"${akey}_$form->{acc_trans}{$key}->[$i-1]->{accno}"};
$withholdingrate += $form->{"$form->{acc_trans}{$key}->[$i-1]->{accno}_rate"};
}

$index = $form->{acc_trans}{$key}->[$i - 1]->{index};
$form->{"tax_$index"} = $form->{acc_trans}{$key}->[$i - 1]->{amount};
$totaltax += $form->{"tax_$index"};

} else {
$k++;
$form->{"${akey}_$k"} = $form->round_amount($form->{acc_trans}{$key}->[$i - 1]->{amount} / $exchangerate, 2);

if ($akey eq 'amount') {
$form->{rowcount}++;
$totalamount += $form->{"${akey}_$i"};

$form->{"oldprojectnumber_$k"} = $form->{acc_trans}{$key}->[$i-1]->{projectnumber};
$form->{"projectnumber_$k"} = $form->{acc_trans}{$key}->[$i-1]->{projectnumber};
$form->{taxrate} = $form->{acc_trans}{$key}->[$i - 1]->{rate};
$form->{"project_id_$k"} = $form->{acc_trans}{$key}->[$i-1]->{project_id};
}

$form->{"${key}_$i"} = "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";

if ($akey eq "AR") {
$form->{ARselected} = $form->{acc_trans}{$key}->[$i-1]->{accno};

} elsif ($akey eq "amount") {
$form->{"${key}_$k"} = $form->{acc_trans}{$key}->[$i-1]->{accno} . "--" . $form->{acc_trans}{$key}->[$i-1]->{id};
$form->{"taxchart_$k"} = $form->{acc_trans}{$key}->[$i-1]->{id} . "--" . $form->{acc_trans}{$key}->[$i-1]->{rate};
}
}
}
}
}

$form->{paidaccounts} = 1 if not defined $form->{paidaccounts};

if ($form->{taxincluded} && $form->{taxrate} && $totalamount) {

# add tax to amounts and invtotal
for my $i (1 .. $form->{rowcount}) {
$taxamount = ($totaltax + $totalwithholding) * $form->{"amount_$i"} / $totalamount;
$tax = $form->round_amount($taxamount, 2);
$diff += ($taxamount - $tax);
$form->{"amount_$i"} += $form->{"tax_$i"};
}
$form->{amount_1} += $form->round_amount($diff, 2);
}

$taxamount = $form->round_amount($taxamount, 2);
$form->{tax} = $taxamount;

$form->{invtotal} = $totalamount + $totaltax;

$main::lxdebug->leave_sub();
}

sub storno {
$main::lxdebug->enter_sub();

my ($self, $form, $myconfig, $id) = @_;

my ($query, $new_id, $storno_row, $acc_trans_rows);
my $dbh = $form->get_standard_dbh($myconfig);

$query = qq|SELECT nextval('glid')|;
($new_id) = selectrow_query($form, $dbh, $query);

$query = qq|SELECT * FROM ar WHERE id = ?|;
$storno_row = selectfirst_hashref_query($form, $dbh, $query, $id);

$storno_row->{id} = $new_id;
$storno_row->{storno_id} = $id;
$storno_row->{storno} = 't';
$storno_row->{invnumber} = 'Storno-' . $storno_row->{invnumber};
$storno_row->{amount} *= -1;
$storno_row->{netamount} *= -1;
$storno_row->{paid} = $storno_row->{amount};

delete @$storno_row{qw(itime mtime)};

$query = sprintf 'INSERT INTO ar (%s) VALUES (%s)', join(', ', keys %$storno_row), join(', ', map '?', values %$storno_row);
do_query($form, $dbh, $query, (values %$storno_row));

$query = qq|UPDATE ar SET paid = amount + paid, storno = 't' WHERE id = ?|;
do_query($form, $dbh, $query, $id);

# now copy acc_trans entries
$query = qq|SELECT a.*, c.link FROM acc_trans a LEFT JOIN chart c ON a.chart_id = c.id WHERE a.trans_id = ? ORDER BY a.acc_trans_id|;
my $rowref = selectall_hashref_query($form, $dbh, $query, $id);

# kill all entries containing payments, which are the last 2n rows, of which the last has link =~ /paid/
while ($rowref->[-1]{link} =~ /paid/) {
splice(@$rowref, -2);
}

for my $row (@$rowref) {
delete @$row{qw(itime mtime link acc_trans_id)};
$query = sprintf 'INSERT INTO acc_trans (%s) VALUES (%s)', join(', ', keys %$row), join(', ', map '?', values %$row);
$row->{trans_id} = $new_id;
$row->{amount} *= -1;
do_query($form, $dbh, $query, (values %$row));
}

map { IO->set_datepaid(table => 'ar', id => $_, dbh => $dbh) } ($id, $new_id);

$dbh->commit;

$main::lxdebug->leave_sub();
}


1;
(4-4/77)