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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.
#======================================================================
#
# Accounts Payables database backend routines
#
#======================================================================

package AP;

use SL::DATEV qw(:CONSTANTS);
use SL::DBUtils;
use SL::IO;
use SL::MoreCommon;
use SL::DB::ApGl;
use SL::DB::Default;
use SL::DB::Draft;
use SL::DB::Order;
use SL::DB::PurchaseInvoice;
use SL::DB::EmailJournal;
use SL::DB::ValidityToken;
use SL::Util qw(trim);
use SL::DB;
use Data::Dumper;
use List::Util qw(sum0);
use strict;
use URI::Escape;

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

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

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

sub _post_transaction {
my ($self, $myconfig, $form, $provided_dbh, %params) = @_;

my $validity_token;
if (!$form->{id}) {
$validity_token = SL::DB::Manager::ValidityToken->fetch_valid_token(
scope => SL::DB::ValidityToken::SCOPE_PURCHASE_INVOICE_POST(),
token => $form->{form_validity_token},
);

die $::locale->text('The form is not valid anymore.') if !$validity_token;
}

my $payments_only = $params{payments_only};
my $dbh = $provided_dbh || SL::DB->client->dbh;

my ($null, $taxrate, $amount);
my $exchangerate = 0;

$form->{defaultcurrency} = $form->get_default_currency($myconfig);
$form->{taxincluded} = 0 unless $form->{taxincluded};
$form->{script} = 'ap.pl' unless $form->{script};

# make sure to have a id
my ($query, $sth, @values);
if (!$payments_only) {
# if we have an id delete old records
if ($form->{id}) {

# delete detail records
$query = qq|DELETE FROM acc_trans WHERE trans_id = ?|;
do_query($form, $dbh, $query, $form->{id});

} else {

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

$query =
qq|INSERT INTO ap (id, invnumber, employee_id,currency_id, taxzone_id) | .
qq|VALUES (?, ?, (SELECT e.id FROM employee e WHERE e.login = ?),
(SELECT id FROM currencies WHERE name = ?), (SELECT taxzone_id FROM vendor WHERE id = ?) )|;
do_query($form, $dbh, $query, $form->{id}, $form->{invnumber}, $::myconfig{login}, $form->{currency}, $form->{vendor_id});

}
}
# check default or record exchangerate
if ($form->{currency} eq $form->{defaultcurrency}) {
$form->{exchangerate} = 1;
} else {
$exchangerate = $form->check_exchangerate($myconfig, $form->{currency}, $form->{transdate}, 'sell');
$form->{exchangerate} = $form->parse_amount($myconfig, $form->{exchangerate}, 5);

# if default exchangerate is not defined, define one
unless ($exchangerate) {
$form->update_exchangerate($dbh, $form->{currency}, $form->{transdate}, 0, $form->{exchangerate});
# delete records exchangerate -> if user sets new invdate for record
$query = qq|UPDATE ap set exchangerate = NULL where id = ?|;
do_query($form, $dbh, $query, $form->{"id"});
}
# update record exchangerate, if the default is set and differs from current
if ($exchangerate && ($form->{exchangerate} != $exchangerate)) {
$form->update_exchangerate($dbh, $form->{currency}, $form->{transdate},
0, $form->{exchangerate}, $form->{id}, 'ap');
}
}
# get the charts selected
$form->{AP_amounts}{"amount_$_"} = $form->{"AP_amount_chart_id_$_"} for (1 .. $form->{rowcount});

# calculate the totals while calculating and reformatting the $amount_$i and $tax_$i
($form->{netamount},$form->{total_tax},$form->{invtotal}) = $form->calculate_arap('buy',$form->{taxincluded}, $form->{exchangerate});

# adjust paidaccounts if there is no date in the last row
$form->{paidaccounts}-- unless ($form->{"datepaid_$form->{paidaccounts}"});

$form->{invpaid} = 0;

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

$form->{invpaid} += $form->{"paid_$i"};
$form->{datepaid} = $form->{"datepaid_$i"};

}

$form->{invpaid} =
$form->round_amount($form->{invpaid} * $form->{exchangerate}, 2);

# # store invoice total, this goes into ap table
# $form->{invtotal} = $form->{netamount} + $form->{total_tax};

# amount for total AP
$form->{payables} = $form->{invtotal};

if (!$payments_only) {
$query = qq|UPDATE ap SET invnumber = ?,
transdate = ?, ordnumber = ?, vendor_id = ?, taxincluded = ?,
amount = ?, duedate = ?, deliverydate = ?, tax_point = ?, paid = ?, netamount = ?,
currency_id = (SELECT id FROM currencies WHERE name = ?), notes = ?, department_id = ?, storno = ?, storno_id = ?,
globalproject_id = ?, direct_debit = ?, payment_id = ?, transaction_description = ?, intnotes = ?,
qrbill_data = ?
WHERE id = ?|;
@values = ($form->{invnumber}, conv_date($form->{transdate}),
$form->{ordnumber}, conv_i($form->{vendor_id}),
$form->{taxincluded} ? 't' : 'f', $form->{invtotal},
conv_date($form->{duedate}), conv_date($form->{deliverydate}), conv_date($form->{tax_point}),
$form->{invpaid}, $form->{netamount},
$form->{currency}, $form->{notes},
conv_i($form->{department_id}), $form->{storno},
$form->{storno_id}, conv_i($form->{globalproject_id}),
$form->{direct_debit} ? 't' : 'f',
conv_i($form->{payment_id}), $form->{transaction_description},
$form->{intnotes},
$form->{qrbill_data_encoded} ? uri_unescape($form->{qrbill_data_encoded}) : undef,
$form->{id});
do_query($form, $dbh, $query, @values);

$form->new_lastmtime('ap');

# Link this record to the record it was created from.
my $convert_from_oe_id = delete $form->{convert_from_oe_id};
if ($convert_from_oe_id) {
RecordLinks->create_links('dbh' => $dbh,
'mode' => 'ids',
'from_table' => 'oe',
'from_ids' => $convert_from_oe_id,
'to_table' => 'ap',
'to_id' => $form->{id},
);

# Close the record it was created from if the amount of
# all APs create from this record equals the records amount.
my @links = RecordLinks->get_links('dbh' => $dbh,
'from_table' => 'oe',
'from_id' => $convert_from_oe_id,
'to_table' => 'ap',
);

my $amount_sum = sum0 map { SL::DB::PurchaseInvoice->new(id => $_->{to_id})->load->amount } @links;
my $order = SL::DB::Order->new(id => $convert_from_oe_id)->load;

$order->update_attributes(closed => 1) if ($amount_sum - $order->amount) == 0;
}

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

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

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

}
}

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

# if there is no amount but a payment record a payable
if ($form->{amount} == 0 && $form->{invtotal} == 0) {
$form->{payables} = $form->{invpaid};
}

my %already_cleared = %{ $params{already_cleared} // {} };

# 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"});

$exchangerate = 0;
if ($form->{currency} eq $form->{defaultcurrency}) {
$form->{"exchangerate_$i"} = 1;
} else {
$exchangerate = $form->check_exchangerate($myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'sell');
$form->{"exchangerate_$i"} = $exchangerate || $form->parse_amount($myconfig, $form->{"exchangerate_$i"});
}
$form->{"AP_paid_$i"} =~ s/\"//g;

# get paid account

($form->{"AP_paid_account_$i"}) = split(/--/, $form->{"AP_paid_$i"});
$form->{"datepaid_$i"} = $form->{transdate}
unless ($form->{"datepaid_$i"});

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

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

my $new_cleared = !$form->{"acc_trans_id_$i"} ? 'f'
: !$already_cleared{$form->{"acc_trans_id_$i"}} ? 'f'
: $already_cleared{$form->{"acc_trans_id_$i"}}->{amount} != $amount * -1 ? 'f'
: $already_cleared{$form->{"acc_trans_id_$i"}}->{accno} != $form->{"AP_paid_account_$i"} ? 'f'
: $already_cleared{$form->{"acc_trans_id_$i"}}->{cleared} ? 't'
: 'f';

if ($form->{payables}) {
$query =
qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, project_id, cleared, taxkey, tax_id, chart_link) | .
qq|VALUES (?, ?, ?, ?, ?, ?, | .
qq| (SELECT taxkey_id FROM chart WHERE id = ?),| .
qq| (SELECT tax_id| .
qq| FROM taxkeys| .
qq| WHERE chart_id = ?| .
qq| AND startdate <= ?| .
qq| ORDER BY startdate DESC LIMIT 1),| .
qq| (SELECT c.link FROM chart c WHERE c.id = ?))|;
@values = ($form->{id}, $form->{AP_chart_id}, $amount,
conv_date($form->{"datepaid_$i"}), $project_id, $new_cleared,
$form->{AP_chart_id}, $form->{AP_chart_id}, conv_date($form->{"datepaid_$i"}),
$form->{AP_chart_id});
do_query($form, $dbh, $query, @values);
}
$form->{payables} = $amount;

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

# add exchange rate difference
$amount =
$form->round_amount($form->{"paid_$i"} *
($form->{"exchangerate_$i"} - 1), 2);
if ($amount != 0) {
$query =
qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, fx_transaction, cleared, project_id, taxkey, tax_id, chart_link) | .
qq|VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 't', 'f', ?, | .
qq| (SELECT taxkey_id FROM chart WHERE accno = ?), | .
qq| (SELECT tax_id| .
qq| FROM taxkeys| .
qq| WHERE chart_id= (SELECT id | .
qq| FROM chart| .
qq| WHERE accno = ?)| .
qq| AND startdate <= ?| .
qq| ORDER BY startdate DESC LIMIT 1),| .
qq| (SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = ($form->{id}, $form->{"AP_paid_account_$i"}, $amount,
conv_date($form->{"datepaid_$i"}), $project_id,
$form->{"AP_paid_account_$i"},
$form->{"AP_paid_account_$i"}, conv_date($form->{"datepaid_$i"}),
$form->{"AP_paid_account_$i"});
do_query($form, $dbh, $query, @values);
}

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

if ($amount != 0) {
# fetch fxgain and fxloss chart info from defaults if charts aren't already filled in form
if ( !$form->{fxgain_accno} && $::instance_conf->get_fxgain_accno_id ) {
$form->{fxgain_accno} = SL::DB::Manager::Chart->find_by(id => $::instance_conf->get_fxgain_accno_id)->accno;
};
if ( !$form->{fxloss_accno} && $::instance_conf->get_fxloss_accno_id ) {
$form->{fxloss_accno} = SL::DB::Manager::Chart->find_by(id => $::instance_conf->get_fxloss_accno_id)->accno;
};
die "fxloss_accno missing" if $amount < 0 and not $form->{fxloss_accno};
die "fxgain_accno missing" if $amount > 0 and not $form->{fxgain_accno};
$query =
qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate, fx_transaction, cleared, project_id, taxkey, tax_id, chart_link) | .
qq|VALUES (?, (SELECT id FROM chart WHERE accno = ?), ?, ?, 't', 'f', ?, | .
qq| (SELECT taxkey_id FROM chart WHERE accno = ?),| .
qq| (SELECT tax_id| .
qq| FROM taxkeys| .
qq| WHERE chart_id= (SELECT id | .
qq| FROM chart| .
qq| WHERE accno = ?)| .
qq| AND startdate <= ?| .
qq| ORDER BY startdate DESC LIMIT 1),| .
qq| (SELECT c.link FROM chart c WHERE c.accno = ?))|;
@values = ($form->{id},
($amount > 0) ? $form->{fxgain_accno} : $form->{fxloss_accno},
$amount, conv_date($form->{"datepaid_$i"}), $project_id,
($amount > 0) ? $form->{fxgain_accno} : $form->{fxloss_accno},
($amount > 0) ? $form->{fxgain_accno} : $form->{fxloss_accno}, conv_date($form->{"datepaid_$i"}),
($amount > 0) ? $form->{fxgain_accno} : $form->{fxloss_accno});
do_query($form, $dbh, $query, @values);
}

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

if ($payments_only) {
$query = qq|UPDATE ap SET paid = ?, datepaid = ? WHERE id = ?|;
do_query($form, $dbh, $query, $form->{invpaid}, $form->{invpaid} ? conv_date($form->{datepaid}) : undef, conv_i($form->{id}));
$form->new_lastmtime('ap');
}

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

if ($form->{draft_id}) {
SL::DB::Manager::Draft->delete_all(where => [ id => delete($form->{draft_id}) ]);
}

# hook for taxkey 94
$self->_reverse_charge($myconfig, $form);
# safety check datev export
if ($::instance_conf->get_datev_check_on_ap_transaction) {
my $datev = SL::DATEV->new(
dbh => $dbh,
trans_id => $form->{id},
);
$datev->generate_datev_data;

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

$validity_token->delete if $validity_token;
delete $form->{form_validity_token};

return 1;
}

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

# delete previous bookings, if they exists (repost)
my $ap_gl = SL::DB::Manager::ApGl->get_first(where => [ ap_id => $form->{id} ]);
my $gl_id = ref $ap_gl eq 'SL::DB::ApGl' ? $ap_gl->gl_id : undef;

SL::DB::Manager::GLTransaction->delete_all(where => [ id => $gl_id ]) if $gl_id;
SL::DB::Manager::ApGl-> delete_all(where => [ ap_id => $form->{id} ]) if $gl_id;
SL::DB::Manager::RecordLink-> delete_all(where => [ from_table => 'ap', to_table => 'gl', from_id => $form->{id} ]);

my ($i, $current_transaction);

for $i (1 .. $form->{rowcount}) {

my $tax = SL::DB::Manager::Tax->get_first( where => [id => $form->{"tax_id_$i"}, '!reverse_charge_chart_id' => undef ]);
next unless ref $tax eq 'SL::DB::Tax';

# gl booking
my ($credit, $debit);
$credit = SL::DB::Manager::Chart->find_by(id => $tax->chart_id);
$debit = SL::DB::Manager::Chart->find_by(id => $tax->reverse_charge_chart_id);

croak("No such Chart ID" . $tax->chart_id) unless ref $credit eq 'SL::DB::Chart';
croak("No such Chart ID" . $tax->reverse_chart_id) unless ref $debit eq 'SL::DB::Chart';

my ($tmpnetamount, $tmptaxamount) = $form->calculate_tax($form->{"amount_$i"}, $tax->rate, $form->{taxincluded}, 2);
$current_transaction = SL::DB::GLTransaction->new(
employee_id => $form->{employee_id},
transdate => $form->{transdate},
description => $form->{notes} || $form->{invnumber},
reference => $form->{invnumber},
department_id => $form->{department_id} ? $form->{department_id} : undef,
imported => 0, # not imported
taxincluded => 0,
)->add_chart_booking(
chart => $tmptaxamount > 0 ? $debit : $credit,
debit => abs($tmptaxamount),
source => "Reverse Charge for " . $form->{invnumber},
tax_id => 0,
)->add_chart_booking(
chart => $tmptaxamount > 0 ? $credit : $debit,
credit => abs($tmptaxamount),
source => "Reverse Charge for " . $form->{invnumber},
tax_id => 0,
)->post;
# add a stable link from ap to gl
my %props_gl = (
ap_id => $form->{id},
gl_id => $current_transaction->id,
);
SL::DB::ApGl->new(%props_gl)->save;
# Record a record link from ap to gl
my %props_rl = (
from_table => 'ap',
from_id => $form->{id},
to_table => 'gl',
to_id => $current_transaction->id,
);
SL::DB::RecordLink->new(%props_rl)->save;
}
}

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

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

SL::DB->client->with_transaction(sub {

# if tax 94 reverse charge, clear all GL bookings and links
my $ap_gl = SL::DB::Manager::ApGl->get_first(where => [ ap_id => $form->{id} ]);
my $gl_id = ref $ap_gl eq 'SL::DB::ApGl' ? $ap_gl->gl_id : undef;

SL::DB::Manager::GLTransaction->delete_all(where => [ id => $gl_id ]) if $gl_id;
SL::DB::Manager::ApGl-> delete_all(where => [ ap_id => $form->{id} ]) if $gl_id;
SL::DB::Manager::RecordLink-> delete_all(where => [ from_table => 'ap', to_table => 'gl', from_id => $form->{id} ]);
# done gl delete for tax 94 case

# begin ap delete
my $query = qq|DELETE FROM ap WHERE id = ?|;
do_query($form, SL::DB->client->dbh, $query, $form->{id});
1;
}) or do { die SL::DB->client->error };

$main::lxdebug->leave_sub();

return 1;
}

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

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

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

my $query =
qq|SELECT a.id, a.invnumber, a.transdate, a.duedate, a.amount, a.paid, | .
qq| a.ordnumber, v.name, a.invoice, a.netamount, a.datepaid, a.notes, | .
qq| a.intnotes, a.globalproject_id, a.storno, a.storno_id, a.direct_debit, | .
qq| a.transaction_description, a.itime::DATE AS insertdate, | .
qq| pr.projectnumber AS globalprojectnumber, | .
qq| e.name AS employee, | .
qq| v.vendornumber, v.country, v.ustid, | .
qq| tz.description AS taxzone, | .
qq| pt.description AS payment_terms, | .
qq| department.description AS department, | .
qq{ ( SELECT ch.accno || ' -- ' || ch.description
FROM acc_trans at
LEFT JOIN chart ch ON ch.id = at.chart_id
WHERE ch.link ~ 'AP[[:>:]]'
AND at.trans_id = a.id
LIMIT 1
) AS charts, } .
qq{ ( SELECT ch.accno || ' -- ' || ch.description
FROM acc_trans at
LEFT JOIN chart ch ON ch.id = at.chart_id
WHERE ch.link ~ 'AP_amount'
AND at.trans_id = a.id
LIMIT 1
) AS debit_chart } .
qq|FROM ap a | .
qq|JOIN vendor v ON (a.vendor_id = v.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 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 department ON (department.id = a.department_id)|;

my $where = '';

my @values;

# Permissions:
# - Always return invoices & AP transactions for projects the employee has "view invoices" permissions for, no matter what the other rules say.
# - Exclude AP transactions if no permissions for them exist.
# - Limit to own invoices unless may edit all invoices or view invoices is allowed.
# - If may edit all or view invoices is allowed, allow filtering by employee.
my (@permission_where, @permission_values);

if ($::auth->assert('vendor_invoice_edit', 1) || $::auth->assert('purchase_invoice_view', 1)) {
if (!$::auth->assert('show_ap_transactions', 1)) {
push @permission_where, "NOT invoice = 'f'"; # remove ap transactions from Purchase -> Reports -> Invoices
}

if (!$::auth->assert('purchase_all_edit', 1) && !$::auth->assert('purchase_invoice_view', 1)) {
# only show own invoices
push @permission_where, "a.employee_id = ?";
push @permission_values, SL::DB::Manager::Employee->current->id;

} else {
if ($form->{employee_id}) {
push @permission_where, "a.employee_id = ?";
push @permission_values, conv_i($form->{employee_id});
}
}
}

if (@permission_where || (!$::auth->assert('vendor_invoice_edit', 1) && !$::auth->assert('purchase_invoice_view', 1))) {
my $permission_where_str = @permission_where ? "OR (" . join(" AND ", map { "($_)" } @permission_where) . ")" : "";
$where .= qq|
AND ( (a.globalproject_id IN (
SELECT epi.project_id
FROM employee_project_invoices epi
WHERE epi.employee_id = ?))
$permission_where_str)
|;
push @values, SL::DB::Manager::Employee->current->id, @permission_values;
}

if ($form->{vendor}) {
$where .= " AND v.name ILIKE ?";
push(@values, like($form->{vendor}));
}
if ($form->{"cp_name"}) {
$where .= " AND (cp.cp_name ILIKE ? OR cp.cp_givenname ILIKE ?)";
push(@values, (like($form->{"cp_name"}))x2);
}
if ($form->{department_id}) {
$where .= " AND a.department_id = ?";
push(@values, $form->{department_id});
}
if ($form->{invnumber}) {
$where .= " AND a.invnumber ILIKE ?";
push(@values, like($form->{invnumber}));
}
if ($form->{ordnumber}) {
$where .= " AND a.ordnumber ILIKE ?";
push(@values, like($form->{ordnumber}));
}
if ($form->{taxzone_id}) {
$where .= " AND a.taxzone_id = ?";
push(@values, $form->{taxzone_id});
}
if ($form->{payment_id}) {
$where .= " AND a.payment_id = ?";
push(@values, $form->{payment_id});
}
if ($form->{transaction_description}) {
$where .= " AND a.transaction_description ILIKE ?";
push(@values, like($form->{transaction_description}));
}
if ($form->{notes}) {
$where .= " AND a.notes ILIKE ?";
push(@values, like($form->{notes}));
}
if ($form->{intnotes}) {
$where .= " AND a.intnotes ILIKE ?";
push(@values, like($form->{intnotes}));
}
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}) {
$where .= " AND a.transdate >= ?";
push(@values, trim($form->{transdatefrom}));
}
if ($form->{transdateto}) {
$where .= " AND a.transdate <= ?";
push(@values, trim($form->{transdateto}));
}
if ($form->{duedatefrom}) {
$where .= " AND a.duedate >= ?";
push(@values, trim($form->{duedatefrom}));
}
if ($form->{duedateto}) {
$where .= " AND a.duedate <= ?";
push(@values, trim($form->{duedateto}));
}
if ($form->{datepaidfrom}) {
$where .= " AND a.datepaid >= ?";
push(@values, trim($form->{datepaidfrom}));
}
if ($form->{datepaidto}) {
$where .= " AND a.datepaid <= ?";
push(@values, trim($form->{datepaidto}));
}
if ($form->{insertdatefrom}) {
$where .= " AND a.itime >= ?";
push(@values, trim($form->{insertdatefrom}));
}
if ($form->{insertdateto}) {
$where .= " AND a.itime <= ?";
push(@values, trim($form->{insertdateto}));
}
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});
}
}

$form->{fulltext} = trim($form->{fulltext});
if ($form->{fulltext}) {
my @fulltext_fields = qw(a.notes
a.intnotes
a.shipvia
a.transaction_description
a.quonumber
a.ordnumber
a.invnumber);
$where .= ' AND (';
$where .= join ' OR ', map {"$_ ILIKE ?"} @fulltext_fields;

$where .= <<SQL;
OR EXISTS (
SELECT files.id FROM files LEFT JOIN file_full_texts ON (file_full_texts.file_id = files.id)
WHERE files.object_id = a.id AND files.object_type = 'purchase_invoice'
AND file_full_texts.full_text ILIKE ?)
SQL
$where .= ')'; # end AND

push(@values, like($form->{fulltext})) for 1 .. (scalar @fulltext_fields) + 1;
}

if ($form->{parts_partnumber}) {
$where .= <<SQL;
AND EXISTS (
SELECT invoice.trans_id
FROM invoice
LEFT JOIN parts ON (invoice.parts_id = parts.id)
WHERE (invoice.trans_id = a.id)
AND (parts.partnumber ILIKE ?)
LIMIT 1
)
SQL
push @values, like($form->{parts_partnumber});
}

if ($form->{parts_description}) {
$where .= <<SQL;
AND EXISTS (
SELECT invoice.trans_id
FROM invoice
WHERE (invoice.trans_id = a.id)
AND (invoice.description ILIKE ?)
LIMIT 1
)
SQL
push @values, like($form->{parts_description});
}

if ($where) {
$where =~ s{\s*AND\s*}{ WHERE };
$query .= $where;
}

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(transdate id invnumber ordnumber name netamount tax amount paid datepaid due duedate notes employee transaction_description direct_debit department taxzone insertdate))) {
$sortorder = $form->{sort} . " $sortdir";
}

$query .= " ORDER BY $sortorder";

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

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

if ($form->{l_items} && scalar @{ $form->{AP} }) {
my ($items_query, $items_sth);
if ($form->{l_items}) {
$items_query =
qq|SELECT id
FROM invoice
WHERE trans_id = ?
ORDER BY position|;

$items_sth = prepare_query($form, $dbh, $items_query);
}

foreach my $ap (@{ $form->{AP} }) {
do_statement($form, $items_sth, $items_query, $ap->{id});
$ap->{item_ids} = $dbh->selectcol_arrayref($items_sth);
$ap->{item_ids} = undef if !@{$ap->{item_ids}};
}
$items_sth->finish();
}

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

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

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

# connect to database
my $dbh = SL::DB->client->dbh;

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

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

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 '%AP_paid%')|;
push @delete_acc_trans_ids, selectall_array_query($form, $dbh, $query, conv_i($form->{id}), conv_i($form->{id}));

$query =
qq|SELECT at.acc_trans_id
FROM acc_trans at
LEFT JOIN chart c ON (at.chart_id = c.id)
WHERE (trans_id = ?)
AND ((c.link = 'AP') OR (c.link LIKE '%:AP') OR (c.link LIKE 'AP:%'))
ORDER BY at.acc_trans_id
OFFSET 1|;
push @delete_acc_trans_ids, selectall_array_query($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 {
my ($self, $myconfig, $form, $locale) = @_;
$main::lxdebug->enter_sub();

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

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

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

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

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

$old_form = save_form();

$query = <<SQL;
SELECT at.acc_trans_id, at.amount, at.cleared, c.accno
FROM acc_trans at
LEFT JOIN chart c ON (at.chart_id = c.id)
WHERE (at.trans_id = ?)
SQL

my %already_cleared = selectall_as_map($form, $dbh, $query, 'acc_trans_id', [ qw(amount cleared accno) ], $form->{id});

# 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+$|^AP_paid_\d+$|^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('AP', $myconfig, 'vendor', $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 AP accno.
$query =
qq|SELECT c.id
FROM acc_trans at
LEFT JOIN chart c ON (at.chart_id = c.id)
WHERE (trans_id = ?)
AND ((c.link = 'AP') OR (c.link LIKE '%:AP') OR (c.link LIKE 'AP:%'))
ORDER BY at.acc_trans_id
LIMIT 1|;

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

# Post the new payments.
$self->post_transaction($myconfig, $form, $dbh, payments_only => 1, already_cleared => \%already_cleared);

restore_form($old_form);

return 1;
}

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

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

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

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

foreach $key (keys %{ $form->{AP_links} }) {
foreach $ref (@{ $form->{AP_links}{$key} }) {
if ($key eq "AP_paid") {
$form->{"select$key"} .= "<option value=\"$ref->{accno}\">$ref->{accno}--$ref->{description}</option>\n";
} else {
$form->{"select$key"} .= "<option value=\"$ref->{accno}--$ref->{tax_id}\">$ref->{accno}--$ref->{description}</option>\n";
}
}

$form->{$key} = $form->{"select$key"};

$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 "AP_paid";

for $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {

if ($key eq "AP_paid") {
$j++;
$form->{"AP_paid_$j"} = "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";
$form->{"acc_trans_id_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{acc_trans_id};
$form->{"paid_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{amount};
$form->{"datepaid_$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};

$form->{"exchangerate_$i"} = $form->{acc_trans}{$key}->[$i - 1]->{exchangerate};
$form->{"forex_$j"} = $form->{"exchangerate_$i"};
$form->{"AP_paid_$j"} = $form->{acc_trans}{$key}->[$i-1]->{accno};
$form->{"paid_project_id_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{project_id};
$form->{"defaultcurrency_paid_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{defaultcurrency_paid};
$form->{"fx_transaction_$j"} = $form->{acc_trans}{$key}->[$i - 1]->{fx_transaction};
$form->{paidaccounts}++;

} else {
$akey = $key;
$akey =~ s/AP_//;

if (($key eq "AP_tax") || ($key eq "AR_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}"};
} 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"} = $form->round_amount($form->{acc_trans}{$key}->[$i - 1]->{amount} * -1 / $exchangerate, 2);
$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}++;
$form->{"${akey}_$i"} *= -1;
$totalamount += $form->{"${akey}_$i"};
$form->{taxrate} = $form->{acc_trans}{$key}->[$i - 1]->{rate};

$form->{"projectnumber_$k"} = "$form->{acc_trans}{$key}->[$i-1]->{projectnumber}";
$form->{"oldprojectnumber_$k"} = $form->{"projectnumber_$k"};
$form->{"project_id_$k"} = "$form->{acc_trans}{$key}->[$i-1]->{project_id}";
$form->{"${key}_chart_id_$k"} = $form->{acc_trans}{$key}->[$i-1]->{chart_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 $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->{invtotal} = $totalamount + $totaltax;

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

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

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

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

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

my ($query, $new_id, $storno_row, $acc_trans_rows);
my $dbh = SL::DB->client->dbh;

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

$query = qq|SELECT * FROM ap 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 gldate)};

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

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

$form->new_lastmtime('ap') if $id == $form->{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 gldate)};
$query = sprintf 'INSERT INTO acc_trans (%s) VALUES (%s)', join(', ', keys %$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 => 'ap', id => $_, dbh => $dbh) } ($id, $new_id);

if ($form->{workflow_email_journal_id}) {
my $ap_transaction_storno = SL::DB::PurchaseInvoice->new(id => $new_id)->load;
my $email_journal = SL::DB::EmailJournal->new(
id => delete $form->{workflow_email_journal_id}
)->load;
$email_journal->link_to_record_with_attachment(
$ap_transaction_storno,
delete $form->{workflow_email_attachment_id}
);
$form->{callback} = delete $form->{workflow_email_callback};
}

$form->{storno_id} = $id;
return 1;
}

1;
(3-3/85)