path: root/LedgerSMB/AA.pm

#=====================================================================
# 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) 2006
#
#  Author: DWS Systems Inc.
#     Web: http://www.sql-ledger.org
#
#  Contributors:
#
# 
# See COPYRIGHT file for copyright information
#======================================================================
#
# This file has undergone whitespace cleanup.
#
#======================================================================
#
# AR/AP backend routines
# common routines
#
#======================================================================

package AA;


sub post_transaction {

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

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

    my $query;
    my $sth;

    my $null;
    ($null, $form->{department_id}) = split(/--/, $form->{department});
    $form->{department_id} *= 1;

    my $ml = 1;
    my $table = 'ar';
    my $buysell = 'buy';
    my $ARAP = 'AR';
    my $invnumber = "sinumber";
    my $keepcleared;

    if ($form->{vc} eq 'vendor') {
        $table = 'ap';
        $buysell = 'sell';
        $ARAP = 'AP';
        $ml = -1;
        $invnumber = "vinumber";
    }

    if ($form->{currency} eq $form->{defaultcurrency}) {
        $form->{exchangerate} = 1;
    } else {
        $exchangerate = $form->check_exchangerate($myconfig, $form->{currency}, $form->{transdate}, $buysell);

        $form->{exchangerate} = ($exchangerate) ? $exchangerate : $form->parse_amount($myconfig, $form->{exchangerate}); 
    }

    my @taxaccounts = split / /, $form->{taxaccounts};
    my $tax = 0;
    my $fxtax = 0;
    my $amount;
    my $diff;

    my %tax = ();
    my $accno;

    # add taxes
    foreach $accno (@taxaccounts) {
        $fxtax += $tax{fxamount}{$accno} = $form->parse_amount($myconfig, $form->{"tax_$accno"});
        $tax += $tax{fxamount}{$accno};

        push @{ $form->{acc_trans}{taxes} }, {
            accno => $accno,
            amount => $tax{fxamount}{$accno},
            project_id => 'NULL',
            fx_transaction => 0 };

        $amount = $tax{fxamount}{$accno} * $form->{exchangerate};
        $tax{amount}{$accno} = $form->round_amount($amount - $diff, 2);
        $diff = $tax{amount}{$accno} - ($amount - $diff);
        $amount = $tax{amount}{$accno} - $tax{fxamount}{$accno};
        $tax += $amount;

        if ($form->{currency} ne $form->{defaultcurrency}) {
            push @{ $form->{acc_trans}{taxes} }, {
                accno => $accno,
                amount => $amount,
                project_id => 'NULL',
                fx_transaction => 1 };
        }

    }

    my %amount = ();
    my $fxinvamount = 0;
    for (1 .. $form->{rowcount}) { 
        $fxinvamount += $amount{fxamount}{$_} = $form->parse_amount($myconfig, $form->{"amount_$_"}) 
    }

    $form->{taxincluded} *= 1;

    my $i;
    my $project_id;
    my $cleared = 0;

    $diff = 0;
    # deduct tax from amounts if tax included
    for $i (1 .. $form->{rowcount}) {

        if ($amount{fxamount}{$i}) {

            if ($form->{taxincluded}) {
                $amount = ($fxinvamount) ? $fxtax * $amount{fxamount}{$i} / $fxinvamount : 0;
                $amount{fxamount}{$i} -= $amount;
            }

            # multiply by exchangerate
            $amount = $amount{fxamount}{$i} * $form->{exchangerate};
            $amount{amount}{$i} = $form->round_amount($amount - $diff, 2);
            $diff = $amount{amount}{$i} - ($amount - $diff);

            ($null, $project_id) = split /--/, $form->{"projectnumber_$i"};
            $project_id ||= 'NULL';
            ($accno) = split /--/, $form->{"${ARAP}_amount_$i"};

            if ($keepcleared) {
                $cleared = ($form->{"cleared_$i"}) ? 1 : 0;
            }

            push @{ $form->{acc_trans}{lineitems} }, {
                accno => $accno,
                amount => $amount{fxamount}{$i},
                project_id => $project_id,
                description => $form->{"description_$i"},
                cleared => $cleared,
                fx_transaction => 0 };

            if ($form->{currency} ne $form->{defaultcurrency}) {
                $amount = $amount{amount}{$i} - $amount{fxamount}{$i};
                push @{ $form->{acc_trans}{lineitems} }, {
                    accno => $accno,
                    amount => $amount,
                    project_id => $project_id,
                    description => $form->{"description_$i"},
                    cleared => $cleared,
                    fx_transaction => 1 };
            }
        }
    }


    my $invnetamount = 0;
    for (@{ $form->{acc_trans}{lineitems} }) { $invnetamount += $_->{amount} }
    my $invamount = $invnetamount + $tax;

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

    my $paid = 0;
    my $fxamount;

    $diff = 0;
    # add payments
    for $i (1 .. $form->{paidaccounts}) {   
        $fxamount = $form->parse_amount($myconfig, $form->{"paid_$i"});

        if ($fxamount) {
            $paid += $fxamount;

            $paidamount = $fxamount * $form->{exchangerate};

            $amount = $form->round_amount($paidamount - $diff, 2);
            $diff = $amount - ($paidamount - $diff);

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

            $paid{fxamount}{$i} = $fxamount;
            $paid{amount}{$i} = $amount;
        }
    }

    $fxinvamount += $fxtax unless $form->{taxincluded};
    $fxinvamount = $form->round_amount($fxinvamount, 2);
    $invamount = $form->round_amount($invamount, 2);
    $paid = $form->round_amount($paid, 2);

    $paid = ($fxinvamount == $paid) ? $invamount : $form->round_amount($paid * $form->{exchangerate}, 2);

    $query = q|SELECT fxgain_accno_id, fxloss_accno_id
                 FROM defaults|;

    my ($fxgain_accno_id, $fxloss_accno_id) = $dbh->selectrow_array($query);

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

    # check if id really exists
    if ($form->{id}) {
        $keepcleared = 1;
        $query = qq|SELECT id FROM $table
                     WHERE id = $form->{id}|;

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

            $dbh->do($query) || $form->dberror($query);
        }
    } else {

        my $uid = localtime;
        $uid .= "$$";

        $query = qq|INSERT INTO $table (invnumber)
                    VALUES ('$uid')|;

        $dbh->do($query) || $form->dberror($query);

        $query = qq|SELECT id FROM $table
                     WHERE invnumber = '$uid'|;

        ($form->{id}) = $dbh->selectrow_array($query);
    }


    # record last payment date in ar/ap table
    $form->{datepaid} = $form->{transdate} unless $form->{datepaid};
    my $datepaid = ($paid) ? qq|'$form->{datepaid}'| : 'NULL';

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

    $query = qq|
        UPDATE $table 
        SET invnumber = |.$dbh->quote($form->{invnumber}).qq|,
            ordnumber = |.$dbh->quote($form->{ordnumber}).qq|,
            transdate = '$form->{transdate}',
            $form->{vc}_id = $form->{"$form->{vc}_id"},
            taxincluded = '$form->{taxincluded}',
            amount = $invamount,
            duedate = '$form->{duedate}',
            paid = $paid,
            datepaid = $datepaid,
            netamount = $invnetamount,
            curr = '$form->{currency}',
            notes = |.$dbh->quote($form->{notes}).qq|,
            department_id = $form->{department_id},
            employee_id = $form->{employee_id},
            ponumber = |.$dbh->quote($form->{ponumber}).qq|
        WHERE id = $form->{id}
    |;

    $dbh->do($query) || $form->dberror($query);

    @queries = $form->get_custom_queries($table, 'INSERT');
    for (@queries){
        $query = shift (@{$_});
        $sth = $dbh->prepare($query) || $form->db_error($query);
        $sth->execute(@{$_}, $form->{id})|| $form->dberror($query);;
        $sth->finish;
        $did_insert = 1;
    }
    # update exchangerate
    my $buy = $form->{exchangerate};
    my $sell = 0;
        if ($form->{vc} eq 'vendor') {
        $buy = 0;
        $sell = $form->{exchangerate};
    }

    if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
        $form->update_exchangerate($dbh, $form->{currency}, $form->{transdate}, $buy, $sell);
    }

    my $ref;

    # add individual transactions
    foreach $ref (@{ $form->{acc_trans}{lineitems} }) {

        # insert detail records in acc_trans
        if ($ref->{amount}) {
            $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate,
                                    project_id, memo, fx_transaction, cleared)
                             VALUES ($form->{id}, (SELECT id FROM chart
                                                    WHERE accno = '$ref->{accno}'),
                                     $ref->{amount} * $ml, '$form->{transdate}',
                                     $ref->{project_id}, |.$dbh->quote($ref->{description}).qq|,
                                     '$ref->{fx_transaction}', '$ref->{cleared}')|;

            $dbh->do($query) || $form->dberror($query);
        }
    }

    # save taxes
    foreach $ref (@{ $form->{acc_trans}{taxes} }) {
        if ($ref->{amount}) {
            $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
                                    transdate, fx_transaction)
                              VALUES ($form->{id},
                                    (SELECT id FROM chart
                                      WHERE accno = '$ref->{accno}'),
                                    $ref->{amount} * $ml, '$form->{transdate}',
                                    '$ref->{fx_transaction}')|;

            $dbh->do($query) || $form->dberror($query);
        }
    }


    my $arap;

    # record ar/ap
    if (($arap = $invamount)) {
        ($accno) = split /--/, $form->{$ARAP};

        $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount, transdate)
                         VALUES ($form->{id},
                                (SELECT id FROM chart
                                  WHERE accno = '$accno'),
                                $invamount * -1 * $ml, '$form->{transdate}')|;

        $dbh->do($query) || $form->dberror($query);
    }

    # if there is no amount force ar/ap
    if ($fxinvamount == 0) {
        $arap = 1;
    }


    my $exchangerate;

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

        if ($paid{fxamount}{$i}) {

            ($accno) = split(/--/, $form->{"${ARAP}_paid_$i"});
            $form->{"datepaid_$i"} = $form->{transdate} unless ($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"}, $buysell);

                $form->{"exchangerate_$i"} = ($exchangerate) ? $exchangerate : $form->parse_amount($myconfig, $form->{"exchangerate_$i"}); 
            }

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

            # ar/ap amount
                if ($arap) {
                ($accno) = split /--/, $form->{$ARAP};

                # add ar/ap
                $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,transdate)
                                 VALUES ($form->{id}, (SELECT id FROM chart
                                                        WHERE accno = '$accno'),
                                        $paid{amount}{$i} * $ml, '$form->{"datepaid_$i"}')|;

                $dbh->do($query) || $form->dberror($query);
            }

            $arap = $paid{amount}{$i};


            # add payment
            if ($paid{fxamount}{$i}) {

                ($accno) = split /--/, $form->{"${ARAP}_paid_$i"};

                my $cleared = ($form->{"cleared_$i"}) ? 1 : 0;

                $amount = $paid{fxamount}{$i};
                $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
                                                   transdate, source, memo, cleared)
                                 VALUES ($form->{id}, (SELECT id FROM chart
                                                        WHERE accno = '$accno'),
                                        $amount * -1 * $ml, '$form->{"datepaid_$i"}', |
                                        .$dbh->quote($form->{"source_$i"}).qq|, |
                                        .$dbh->quote($form->{"memo_$i"}).qq|, '$cleared')|;

                $dbh->do($query) || $form->dberror($query);

                if ($form->{currency} ne $form->{defaultcurrency}) {

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

                    if ($amount) {

                        my $accno_id = (($amount * $ml) > 0) ? $fxgain_accno_id : $fxloss_accno_id;

                        $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
                                                transdate, fx_transaction, cleared)
                                         VALUES ($form->{id}, $accno_id,
                                                $amount * $ml, '$form->{"datepaid_$i"}', '1',
                                                '$cleared')|;

                        $dbh->do($query) || $form->dberror($query);
                    }

                    # exchangerate difference
                    $amount = $paid{amount}{$i} - $paid{fxamount}{$i} + $amount;

                    $query = qq|INSERT INTO acc_trans (trans_id, chart_id, amount,
                                                        transdate, fx_transaction, cleared, source)
                                    VALUES ($form->{id}, (SELECT id FROM chart
                                                           WHERE accno = '$accno'),
                                            $amount * -1 * $ml, '$form->{"datepaid_$i"}', '1',
                                            '$cleared', |
                                            .$dbh->quote($form->{"source_$i"}).qq|)|;

                    $dbh->do($query) || $form->dberror($query);

                }

                # update exchangerate record
                $buy = $form->{"exchangerate_$i"};
                $sell = 0;

                if ($form->{vc} eq 'vendor') {
                    $buy = 0;
                    $sell = $form->{"exchangerate_$i"};
                }

                if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
                    $form->update_exchangerate($dbh, $form->{currency}, $form->{"datepaid_$i"}, $buy, $sell);
                }
            }
        }
    }

    # save printed and queued
    $form->save_status($dbh);

    my %audittrail = ( tablename  => $table,
                       reference  => $form->{invnumber},
                       formname   => 'transaction',
                       action     => 'posted',
                       id         => $form->{id} );

    $form->audittrail($dbh, "", \%audittrail);

    $form->save_recurring($dbh, $myconfig);

    my $rc = $dbh->commit;

    $dbh->disconnect;

    $rc;

}


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

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

    my $table = ($form->{vc} eq 'customer') ? 'ar' : 'ap';

    my %audittrail = ( tablename  => $table,
                       reference  => $form->{invnumber},
                       formname   => 'transaction',
                       action     => 'deleted',
                       id         => $form->{id} );

    $form->audittrail($dbh, "", \%audittrail);

    my $query = qq|DELETE FROM $table WHERE id = $form->{id}|;
    $dbh->do($query) || $form->dberror($query);

    $query = qq|DELETE FROM acc_trans WHERE trans_id = $form->{id}|;
    $dbh->do($query) || $form->dberror($query);

    # get spool files
    $query = qq|SELECT spoolfile 
                  FROM status
                 WHERE trans_id = $form->{id}
                   AND spoolfile IS NOT NULL|;

    my $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

    my $spoolfile;
    my @spoolfiles = ();

    while (($spoolfile) = $sth->fetchrow_array) {
        push @spoolfiles, $spoolfile;
    }
 
    $sth->finish;

    $query = qq|DELETE FROM status WHERE trans_id = $form->{id}|;
    $dbh->do($query) || $form->dberror($query);

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

    if ($rc) {
        foreach $spoolfile (@spoolfiles) {
            unlink "$spool/$spoolfile" if $spoolfile;
        }
    }

    $rc;
}



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

    # connect to database
    my $dbh = $form->dbconnect($myconfig);
    my $null;
    my $var;
    my $paid = "a.paid";
    my $ml = 1;
    my $ARAP = 'AR';
    my $table = 'ar';
    my $buysell = 'buy';
    my $acc_trans_join;
    my $acc_trans_flds;

    if ($form->{vc} eq 'vendor') {
        $ml = -1;
        $ARAP = 'AP';
        $table = 'ap';
        $buysell = 'sell';
    }

    ($form->{transdatefrom}, $form->{transdateto}) = $form->from_to($form->{year}, $form->{month}, $form->{interval}) if $form->{year} && $form->{month};

    if ($form->{outstanding}) {
        $paid = qq|SELECT SUM(ac.amount) * -1 * $ml
                     FROM acc_trans ac
                     JOIN chart c ON (c.id = ac.chart_id)
                    WHERE ac.trans_id = a.id
                      AND (c.link LIKE '%${ARAP}_paid%' OR c.link = '')|;
        $paid .= qq|
                      AND ac.transdate <= '$form->{transdateto}'| if $form->{transdateto};
        $form->{summary} = 1;
    }


    if (!$form->{summary}) {
        $acc_trans_flds = qq|, c.accno, ac.source,
                               pr.projectnumber, ac.memo AS description,
                               ac.amount AS linetotal,
                               i.description AS linedescription|;

        $acc_trans_join = qq| JOIN acc_trans ac ON (a.id = ac.trans_id)
                              JOIN chart c ON (c.id = ac.chart_id)
                              LEFT JOIN project pr ON (pr.id = ac.project_id)
                              LEFT JOIN invoice i ON (i.id = ac.invoice_id)|;
    }

    my $query = qq|SELECT a.id, a.invnumber, a.ordnumber, a.transdate,
                          a.duedate, a.netamount, a.amount, ($paid) AS paid,
                          a.invoice, a.datepaid, a.terms, a.notes,
                          a.shipvia, a.shippingpoint, e.name AS employee, vc.name,
                          a.$form->{vc}_id, a.till, m.name AS manager, a.curr,
                          ex.$buysell AS exchangerate, d.description AS department,
                          a.ponumber $acc_trans_flds
                     FROM $table a
                     JOIN $form->{vc} vc ON (a.$form->{vc}_id = vc.id)
                LEFT JOIN employee e ON (a.employee_id = e.id)
                LEFT JOIN employee m ON (e.managerid = m.id)
                LEFT JOIN exchangerate ex ON (ex.curr = a.curr
                                              AND ex.transdate = a.transdate)
                LEFT JOIN department d ON (a.department_id = d.id) 
                $acc_trans_join|;

    my %ordinal = ( id => 1,
                    invnumber => 2,
                    ordnumber => 3,
                    transdate => 4,
                    duedate => 5,
                    datepaid => 10,
                    shipvia => 13,
                    shippingpoint => 14,
                    employee => 15,
                    name => 16,
                    manager => 19,
                    curr => 20,
                    department => 22,
                    ponumber => 23,
                    accno => 24,
                    source => 25,
                    project => 26,
                    description => 27);


    my @a = (transdate, invnumber, name);
    push @a, "employee" if $form->{l_employee};
    push @a, "manager" if $form->{l_manager};
    my $sortorder = $form->sort_order(\@a, \%ordinal);

    my $where = "1 = 1";
    if ($form->{"$form->{vc}_id"}) {
        $where .= qq| AND a.$form->{vc}_id = $form->{"$form->{vc}_id"}|;
    } else {
        if ($form->{$form->{vc}}) {
            $var = $form->like(lc $form->{$form->{vc}});
            $where .= " AND lower(vc.name) LIKE '$var'";
        }
    }

    for (qw(department employee)) {
        if ($form->{$_}) {
            ($null, $var) = split /--/, $form->{$_};
            $where .= " AND a.${_}_id = $var";
        }
    }

    for (qw(invnumber ordnumber)) {
        if ($form->{$_}) {
            $var = $form->like(lc $form->{$_});
            $where .= " AND lower(a.$_) LIKE '$var'";
            $form->{open} = $form->{closed} = 0;
        }
    }
        if ($form->{partsid}){
        $where .= " AND a.id IN (select trans_id FROM invoice
            WHERE parts_id = $form->{partsid})";
    }

    for (qw(ponumber shipvia notes)) {
        if ($form->{$_}) {
            $var = $form->like(lc $form->{$_});
            $where .= " AND lower(a.$_) LIKE '$var'";
        }
    }

    if ($form->{description}) {
        if ($acc_trans_flds) {
            $var = $form->like(lc $form->{description});
            $where .= " AND lower(ac.memo) LIKE '$var'
            OR lower(i.description) LIKE '$var'";
        } else {
            $where .= " AND a.id = 0";
        }
    }

    if ($form->{source}) {
        if ($acc_trans_flds) {
            $var = $form->like(lc $form->{source});
            $where .= " AND lower(ac.source) LIKE '$var'";
        } else {
            $where .= " AND a.id = 0";
        }
    }


    $where .= " AND a.transdate >= '$form->{transdatefrom}'" if $form->{transdatefrom};
    $where .= " AND a.transdate <= '$form->{transdateto}'" if $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 ($form->{till} ne "") {
        $where .= " AND a.invoice = '1'
                    AND a.till IS NOT NULL";

        if ($myconfig->{role} eq 'user') {
            $where .= " AND e.login = '$form->{login}'";
        }
    }

    if ($form->{$ARAP}) {
        my ($accno) = split /--/, $form->{$ARAP};

        $where .= qq|AND a.id IN (SELECT ac.trans_id
                    FROM acc_trans ac
                    JOIN chart c ON (c.id = ac.chart_id)
                   WHERE a.id = ac.trans_id
                     AND c.accno = '$accno')|;
    }

    if ($form->{description}) {
        $var = $form->like(lc $form->{description});
        $where .= qq| AND (a.id IN (SELECT DISTINCT trans_id
                     FROM acc_trans
                    WHERE lower(memo) LIKE '$var')
                       OR a.id IN (SELECT DISTINCT trans_id
                                     FROM invoice
                                    WHERE lower(description) LIKE '$var'))|;
    }

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

    my $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
        $ref->{exchangerate} = 1 unless $ref->{exchangerate};

        if ($ref->{linetotal} <= 0) {
            $ref->{debit} = $ref->{linetotal} * -1;
            $ref->{credit} = 0;
        } else {
            $ref->{debit} = 0;
            $ref->{credit} = $ref->{linetotal};
        }

        if ($ref->{invoice}) {
            $ref->{description} ||= $ref->{linedescription};
        }

        if ($form->{outstanding}) {
            next if $form->round_amount($ref->{amount}, 2) == $form->round_amount($ref->{paid}, 2);
        }

        push @{ $form->{transactions} }, $ref;
    }

    $sth->finish;
    $dbh->disconnect;
}


# this is used in IS, IR to retrieve the name
sub get_name {

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

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

    my $dateformat = $myconfig->{dateformat};

    if ($myconfig->{dateformat} !~ /^y/) {
        my @a = split /\W/, $form->{transdate};
        $dateformat .= "yy" if (length $a[2] > 2);
    }

    if ($form->{transdate} !~ /\W/) {
        $dateformat = 'yyyymmdd';
    }

    my $duedate;

    if ($myconfig->{dbdriver} eq 'DB2') {
        $duedate = ($form->{transdate}) ? "date('$form->{transdate}') + c.terms DAYS" : "current_date + c.terms DAYS";
    } else {
        $duedate = ($form->{transdate}) ? "to_date('$form->{transdate}', '$dateformat') + c.terms" : "current_date + c.terms";
    }

    $form->{"$form->{vc}_id"} *= 1;
    # get customer/vendor
    my $query = qq|SELECT c.name AS $form->{vc}, c.discount, c.creditlimit, c.terms,
                          c.email, c.cc, c.bcc, c.taxincluded,
                          c.address1, c.address2, c.city, c.state,
                          c.zipcode, c.country, c.curr AS currency, c.language_code,
                          $duedate AS duedate, c.notes AS intnotes,
                          b.discount AS tradediscount, b.description AS business,
                          e.name AS employee, e.id AS employee_id
                    FROM $form->{vc} c
               LEFT JOIN business b ON (b.id = c.business_id)
               LEFT JOIN employee e ON (e.id = c.employee_id)
                   WHERE c.id = $form->{"$form->{vc}_id"}|;

    my $sth = $dbh->prepare($query);

    $sth->execute || $form->dberror($query);

    $ref = $sth->fetchrow_hashref(NAME_lc);

    if ($form->{id}) {
        for (qw(currency employee employee_id intnotes)) { delete $ref->{$_} }
    }

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

    my $buysell = ($form->{vc} eq 'customer') ? "buy" : "sell";

    # if no currency use defaultcurrency
    $form->{currency} = ($form->{currency}) ? $form->{currency} : $form->{defaultcurrency}; 
    $form->{exchangerate} = 0 if $form->{currency} eq $form->{defaultcurrency};

    if ($form->{transdate} && ($form->{currency} ne $form->{defaultcurrency})) {
        $form->{exchangerate} = $form->get_exchangerate($dbh, $form->{currency}, $form->{transdate}, $buysell);
    }

    $form->{forex} = $form->{exchangerate};

    # if no employee, default to login
    ($form->{employee}, $form->{employee_id}) = $form->get_employee($dbh) unless $form->{employee_id};

    my $arap = ($form->{vc} eq 'customer') ? 'ar' : 'ap';
    my $ARAP = uc $arap;

    $form->{creditremaining} = $form->{creditlimit};
    $query = qq|SELECT SUM(amount - paid)
                  FROM $arap
                 WHERE $form->{vc}_id = $form->{"$form->{vc}_id"}|;

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

    ($form->{creditremaining}) -= $sth->fetchrow_array;

    $sth->finish;

    $query = qq|SELECT o.amount, (SELECT e.$buysell FROM exchangerate e
                                   WHERE e.curr = o.curr
                                     AND e.transdate = o.transdate)
                  FROM oe o
                 WHERE o.$form->{vc}_id = $form->{"$form->{vc}_id"}
                   AND o.quotation = '0'
                   AND o.closed = '0'|;

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

    while (my ($amount, $exch) = $sth->fetchrow_array) {
        $exch = 1 unless $exch;
        $form->{creditremaining} -= $amount * $exch;
    }

    $sth->finish;


    # get shipto if we did not converted an order or invoice
    if (!$form->{shipto}) {

        for (qw(shiptoname shiptoaddress1 shiptoaddress2 shiptocity 
                shiptostate shiptozipcode shiptocountry shiptocontact 
                shiptophone shiptofax shiptoemail)) { 
            delete $form->{$_} 
        }

        ## needs fixing (SELECT *)
        $query = qq|SELECT * 
                      FROM shipto
                     WHERE trans_id = $form->{"$form->{vc}_id"}|;

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

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

    # get taxes
    $query = qq|SELECT c.accno
                  FROM chart c
                  JOIN $form->{vc}tax ct ON (ct.chart_id = c.id)
                 WHERE ct.$form->{vc}_id = $form->{"$form->{vc}_id"}|;

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

    my %tax;

    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
        $tax{$ref->{accno}} = 1;
    }

    $sth->finish;

    my $where = qq|AND (t.validto >= '$form->{transdate}' OR t.validto IS NULL)| if $form->{transdate};

    # get tax rates and description
    $query = qq|SELECT c.accno, c.description, t.rate, t.taxnumber
                  FROM chart c
                  JOIN tax t ON (c.id = t.chart_id)
                 WHERE c.link LIKE '%${ARAP}_tax%'
                      $where
              ORDER BY accno, validto|;

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

    $form->{taxaccounts} = "";
    my %a = ();

    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {

        if ($tax{$ref->{accno}}) {
            if (not exists $a{$ref->{accno}}) {
                for (qw(rate description taxnumber)) { $form->{"$ref->{accno}_$_"} = $ref->{$_} }
                $form->{taxaccounts} .= "$ref->{accno} ";
                $a{$ref->{accno}} = 1;
            }
        }
    }

    $sth->finish;
    chop $form->{taxaccounts};

    # setup last accounts used for this customer/vendor
    if (!$form->{id} && $form->{type} !~ /_(order|quotation)/) {

        $query = qq|SELECT c.accno, c.description, c.link, c.category,
                           ac.project_id, p.projectnumber, a.department_id,
                           d.description AS department
                      FROM chart c
                      JOIN acc_trans ac ON (ac.chart_id = c.id)
                      JOIN $arap a ON (a.id = ac.trans_id)
                 LEFT JOIN project p ON (ac.project_id = p.id)
                 LEFT JOIN department d ON (d.id = a.department_id)
                     WHERE a.$form->{vc}_id = $form->{"$form->{vc}_id"}
                       AND a.id IN (SELECT max(id) 
                                      FROM $arap
                                     WHERE $form->{vc}_id = $form->{"$form->{vc}_id"})|;

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

        my $i = 0;

        while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
            $form->{department} = $ref->{department};
            $form->{department_id} = $ref->{department_id};

            if ($ref->{link} =~ /_amount/) {
                $i++;
                $form->{"$form->{ARAP}_amount_$i"} = "$ref->{accno}--$ref->{description}" if $ref->{accno};
                $form->{"projectnumber_$i"} = "$ref->{projectnumber}--$ref->{project_id}" if $ref->{project_id};
            }

            if ($ref->{link} eq $form->{ARAP}) {
                $form->{$form->{ARAP}} = $form->{"$form->{ARAP}_1"} = "$ref->{accno}--$ref->{description}" if $ref->{accno};
            }
        }

        $sth->finish;
        $form->{rowcount} = $i if ($i && !$form->{type});
    }

    $dbh->disconnect;
}

1;