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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., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1335, USA.
#======================================================================
#
# General ledger backend code
#
# CHANGE LOG:
# DS. 2000-07-04 Created
# DS. 2001-06-12 Changed relations from accno to chart_id
#
#======================================================================

package GL;

use List::Util qw(first);

use Data::Dumper;
use SL::DATEV qw(:CONSTANTS);
use SL::DBUtils;
use SL::DB::Chart;
use SL::DB::Draft;
use SL::Util qw(trim);
use SL::DB;

use strict;

sub delete_transaction {
my ($self, $myconfig, $form) = @_;
$main::lxdebug->enter_sub();

SL::DB->client->with_transaction(sub {
do_query($form, SL::DB->client->dbh, qq|DELETE FROM gl WHERE id = ?|, conv_i($form->{id}));
1;
}) or do { die SL::DB->client->error };

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

sub post_transaction {
my ($self, $myconfig, $form) = @_;
$main::lxdebug->enter_sub();

my $rc = SL::DB->client->with_transaction(\&_post_transaction, $self, $myconfig, $form);

$::lxdebug->leave_sub;
return $rc;
}

sub _post_transaction {
my ($self, $myconfig, $form) = @_;
$main::lxdebug->enter_sub();

my ($debit, $credit) = (0, 0);
my $project_id;

my $i;

my $dbh = SL::DB->client->dbh;

# post the transaction
# make up a unique handle and store in reference field
# then retrieve the record based on the unique handle to get the id
# replace the reference field with the actual variable
# add records to acc_trans

# if there is a $form->{id} replace the old transaction
# delete all acc_trans entries and add the new ones

if (!$form->{taxincluded}) {
$form->{taxincluded} = 0;
}

my ($query, $sth, @values, $taxkey, $rate, $posted);

if ($form->{id}) {

# delete individual transactions
$query = qq|DELETE FROM acc_trans WHERE trans_id = ?|;
@values = (conv_i($form->{id}));
do_query($form, $dbh, $query, @values);

} else {
$query = qq|SELECT nextval('glid')|;
($form->{id}) = selectrow_query($form, $dbh, $query);

$query =
qq|INSERT INTO gl (id, employee_id) | .
qq|VALUES (?, (SELECT id FROM employee WHERE login = ?))|;
@values = ($form->{id}, $::myconfig{login});
do_query($form, $dbh, $query, @values);
}

$form->{ob_transaction} *= 1;
$form->{cb_transaction} *= 1;

$query =
qq|UPDATE gl SET
reference = ?, description = ?, notes = ?,
transdate = ?, deliverydate = ?, tax_point = ?, department_id = ?, taxincluded = ?,
storno = ?, storno_id = ?, ob_transaction = ?, cb_transaction = ?
WHERE id = ?|;

@values = ($form->{reference}, $form->{description}, $form->{notes},
conv_date($form->{transdate}), conv_date($form->{deliverydate}), conv_date($form->{tax_point}), conv_i($form->{department_id}), $form->{taxincluded} ? 't' : 'f',
$form->{storno} ? 't' : 'f', conv_i($form->{storno_id}), $form->{ob_transaction} ? 't' : 'f', $form->{cb_transaction} ? 't' : 'f',
conv_i($form->{id}));
do_query($form, $dbh, $query, @values);

# insert acc_trans transactions
for $i (1 .. $form->{rowcount}) {
($form->{"tax_id_$i"}) = split(/--/, $form->{"taxchart_$i"});
if ($form->{"tax_id_$i"} ne "") {
$query = qq|SELECT taxkey, rate FROM tax WHERE id = ?|;
($taxkey, $rate) = selectrow_query($form, $dbh, $query, conv_i($form->{"tax_id_$i"}));
}

my $amount = 0;
my $debit = $form->{"debit_$i"};
my $credit = $form->{"credit_$i"};
my $tax = $form->{"tax_$i"};

if ($credit) {
$amount = $credit;
$posted = 0;
}
if ($debit) {
$amount = $debit * -1;
$tax = $tax * -1;
$posted = 0;
}

$project_id = conv_i($form->{"project_id_$i"});

# if there is an amount, add the record
if ($amount != 0) {
$query =
qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate,
source, memo, project_id, taxkey, ob_transaction, cb_transaction, tax_id, chart_link)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, (SELECT link FROM chart WHERE id = ?))|;
@values = (conv_i($form->{id}), $form->{"accno_id_$i"}, $amount, conv_date($form->{transdate}),
$form->{"source_$i"}, $form->{"memo_$i"}, $project_id, $taxkey, $form->{ob_transaction} ? 't' : 'f', $form->{cb_transaction} ? 't' : 'f', conv_i($form->{"tax_id_$i"}), $form->{"accno_id_$i"});
do_query($form, $dbh, $query, @values);
}

if ($tax != 0) {
# add taxentry
$query =
qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate,
source, memo, project_id, taxkey, tax_id, chart_link)
VALUES (?, (SELECT chart_id FROM tax WHERE id = ?),
?, ?, ?, ?, ?, ?, ?, (SELECT link
FROM chart
WHERE id = (SELECT chart_id
FROM tax
WHERE id = ?)))|;
@values = (conv_i($form->{id}), conv_i($form->{"tax_id_$i"}),
$tax, conv_date($form->{transdate}), $form->{"source_$i"},
$form->{"memo_$i"}, $project_id, $taxkey, conv_i($form->{"tax_id_$i"}), conv_i($form->{"tax_id_$i"}));
do_query($form, $dbh, $query, @values);
}
}

if ($form->{storno} && $form->{storno_id}) {
do_query($form, $dbh, qq|UPDATE gl SET storno = 't' WHERE id = ?|</