LedgerSMB/Form.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) 2000
#
#  Author: DWS Systems Inc.
#     Web: http://www.sql-ledger.org
#
# Contributors: Thomas Bayen <bayen@gmx.de>
#               Antti Kaihola <akaihola@siba.fi>
#               Moritz Bunkus (tex)
#               Jim Rawlings <jim@your-dba.com> (DB2)
#======================================================================
#
# This file has undergone whitespace cleanup.
#
#======================================================================
#
# main package
#
#======================================================================

use Math::BigFloat lib=>'GMP';
use LedgerSMB::Sysconfig;

package Form;


sub new {

    my $type = shift;

    my $argstr = shift;

    read(STDIN, $_, $ENV{CONTENT_LENGTH});

    if ($argstr){
         $_ = $argstr;
    }
    elsif ($ENV{QUERY_STRING}) {
        $_ = $ENV{QUERY_STRING};
    }

    elsif ($ARGV[0]) {
        $_ = $ARGV[0];
    }
    
    my $self = {};
    %$self = split /[&=]/;
    for (keys %$self) { $self->{$_} = unescape("", $self->{$_}) }

    if (substr($self->{action}, 0, 1) !~ /( |\.)/) {
        $self->{action} = lc $self->{action};
        $self->{action} =~ s/( |-|,|\#|\/|\.$)/_/g;
    }

    $self->{menubar} = 1 if $self->{path} =~ /lynx/i;
    #menubar will be deprecated, replaced with below
    $self->{lynx} = 1 if $self->{path} =~ /lynx/i;

    $self->{version} = "1.2.0 Beta 2";
    $self->{dbversion} = "1.2.0";

    bless $self, $type;

}


sub debug {

    my ($self, $file) = @_;

    if ($file) {
        open(FH, '>', "$file") or die $!;
        for (sort keys %$self) { print FH "$_ = $self->{$_}\n" }
        close(FH);
    } else {
        print "\n";
        for (sort keys %$self) { print "$_ = $self->{$_}\n" }
    }

} 


sub escape {
    my ($self, $str, $beenthere) = @_;

    # for Apache 2 we escape strings twice
    if (($ENV{SERVER_SIGNATURE} =~ /Apache\/2\.(\d+)\.(\d+)/) && !$beenthere) {
        $str = $self->escape($str, 1) if $1 == 0 && $2 < 44;
    }

    $str =~ s/([^a-zA-Z0-9_.-])/sprintf("%%%02x", ord($1))/ge;
    $str;

}


sub unescape {
    my ($self, $str) = @_;

    $str =~ tr/+/ /;
    $str =~ s/\\$//;

    $str =~ s/%([0-9a-fA-Z]{2})/pack("c",hex($1))/eg;
    $str =~ s/\r?\n/\n/g;

    $str;

}


sub quote {
    my ($self, $str) = @_;

    if ($str && ! ref($str)) {
        $str =~ s/"/&quot;/g;
    }

    $str;

}


sub unquote {
    my ($self, $str) = @_;

    if ($str && ! ref($str)) {
        $str =~ s/&quot;/"/g;
    }

    $str;

}


sub hide_form {
    my $self = shift;

    if (@_) {

        for (@_) { 
            print qq|<input type="hidden" name="$_" value="|.$self->quote($self->{$_}).qq|" />\n| 
        }

    } else {
        delete $self->{header};

        for (sort keys %$self) { 
            print qq|<input type="hidden" name="$_" value="|.$self->quote($self->{$_}).qq|" />\n| 
        }
    }
}


sub error {

    my ($self, $msg) = @_;

    if ($ENV{HTTP_USER_AGENT}) {

        $self->{msg} = $msg;
        $self->{format} = "html";
        $self->format_string('msg');

        delete $self->{pre};

        if (!$self->{header}) {
            $self->header;
        }

        print qq|<body><h2 class="error">Error!</h2> <p><b>$self->{msg}</b></body>|;

        exit;

    } else {

        if ($ENV{error_function}) {
            &{$ENV{error_function}}($msg);
        } else {
            die "Error: $msg\n";
        }
    }
}


sub info {
    my ($self, $msg) = @_;

    if ($ENV{HTTP_USER_AGENT}) {
        $msg =~ s/\n/<br>/g;

        delete $self->{pre};

        if (!$self->{header}) {
            $self->header;
            print qq| <body>|;
            $self->{header} = 1;
        }

        print "<b>$msg</b>";

    } else {

        if ($ENV{info_function}) {
            &{ $ENV{info_function} }($msg);
        } else {
            print "$msg\n";
        }
    }
}


sub numtextrows {

    my ($self, $str, $cols, $maxrows) = @_;

    my $rows = 0;

    for (split /\n/, $str) { 
        $rows += int (((length) - 2)/$cols) + 1 
    }

    $maxrows = $rows unless defined $maxrows;

    return ($rows > $maxrows) ? $maxrows : $rows;

}


sub dberror {
    my ($self, $msg) = @_;
    $self->error("$msg\n".$DBI::errstr);
}


sub isblank {
    my ($self, $name, $msg) = @_;
    $self->error($msg) if $self->{$name} =~ /^\s*$/;
}


sub header {

    my ($self, $init, $headeradd) = @_;

    return if $self->{header};

    my ($stylesheet, $favicon, $charset);

    if ($ENV{HTTP_USER_AGENT}) {

        if ($self->{stylesheet} && (-f "css/$self->{stylesheet}")) {
            $stylesheet = qq|<link rel="stylesheet" href="css/$self->{stylesheet}" type="text/css" title="LedgerSMB stylesheet" />\n|;
        }

        if ($self->{charset}) {
            $charset = qq|<meta http-equiv="content-type" content="text/html; charset=$self->{charset}" />\n|;
        }

        $self->{titlebar} = ($self->{title}) ? "$self->{title} - $self->{titlebar}" : $self->{titlebar};

        print qq|Content-Type: text/html; charset=utf-8\n\n
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <title>$self->{titlebar}</title>
    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="Expires" content="-1" />
    <link rel="shortcut icon" href="favicon.ico" type="image/x-icon" />
    $stylesheet
    $charset
    <meta name="robots" content="noindex,nofollow" />
        $headeradd
</head>

        $self->{pre} \n|;
    }

    $self->{header} = 1;
}

sub redirect {

    my ($self, $msg) = @_;
    use List::Util qw(first);

    if ($self->{callback} || !$msg) {

        main::redirect();
    } else {

        $self->info($msg);
    }
}


sub sort_columns {

    my ($self, @columns) = @_;

    if ($self->{sort}) {
        if (@columns) {
            @columns = grep !/^$self->{sort}$/, @columns;
            splice @columns, 0, 0, $self->{sort};
        }
    }

    @columns;
}


sub sort_order {

    my ($self, $columns, $ordinal) = @_;

    # setup direction
    if ($self->{direction}) {

        if ($self->{sort} eq $self->{oldsort}) {

            if ($self->{direction} eq 'ASC') {
                $self->{direction} = "DESC";
            } else {
                $self->{direction} = "ASC";
            }
        }

    } else {

        $self->{direction} = "ASC";
    }

    $self->{oldsort} = $self->{sort};

    my @a = $self->sort_columns(@{$columns});

    if (%$ordinal) {
        $a[0] = ($ordinal->{$a[$_]}) ? "$ordinal->{$a[0]} $self->{direction}" : "$a[0] $self->{direction}";

        for (1 .. $#a) { 
            $a[$_] = $ordinal->{$a[$_]} if $ordinal->{$a[$_]} 
        }

    } else {
        $a[0] .= " $self->{direction}";
    }

    $sortorder = join ',', @a;
    $sortorder;
}


sub format_amount {

    my ($self, $myconfig, $amount, $places, $dash) = @_;

    my $negative ;
    if ($amount){
        $amount = $self->parse_amount($myconfig, $amount);
        $negative = ($amount < 0);
        $amount =~ s/-//;
    }

    if ($places =~ /\d+/) {
        #$places = 4 if $places == 2;
        $amount = $self->round_amount($amount, $places);
    }

    # is the amount negative

    # Parse $myconfig->{numberformat}


    my ($ts, $ds) = ($1, $2);

    if ($amount) {

        if ($myconfig->{numberformat}) {

            my ($whole, $dec) = split /\./, "$amount";
            $amount = join '', reverse split //, $whole;

            if ($places) {
                $dec .= "0" x $places;
                $dec = substr($dec, 0, $places);
            }

            if ($myconfig->{numberformat} eq '1,000.00') {
                $amount =~ s/\d{3,}?/$&,/g;
                $amount =~ s/,$//;
                $amount = join '', reverse split //, $amount;
                $amount .= "\.$dec" if ($dec ne "");
            }

            if ($myconfig->{numberformat} eq '1 000.00') {
                $amount =~ s/\d{3,}?/$& /g;
                $amount =~ s/\s$//;
                $amount = join '', reverse split //, $amount;
                $amount .= "\.$dec" if ($dec ne "");
            }

            if ($myconfig->{numberformat} eq "1'000.00") {
                $amount =~ s/\d{3,}?/$&'/g;
                $amount =~ s/'$//;
                $amount = join '', reverse split //, $amount;
                $amount .= "\.$dec" if ($dec ne "");
            }

            if ($myconfig->{numberformat} eq '1.000,00') {
                $amount =~ s/\d{3,}?/$&./g;
                $amount =~ s/\.$//;
                $amount = join '', reverse split //, $amount;
                $amount .= ",$dec" if ($dec ne "");
            }

            if ($myconfig->{numberformat} eq '1000,00') {
                $amount = "$whole";
                $amount .= ",$dec" if ($dec ne "");
            }

            if ($myconfig->{numberformat} eq '1000.00') {
                $amount = "$whole";
                $amount .= ".$dec" if ($dec ne "");
            }

            if ($dash =~ /-/) {
                $amount = ($negative) ? "($amount)" : "$amount";
            } elsif ($dash =~ /DRCR/) {
                $amount = ($negative) ? "$amount DR" : "$amount CR";
            } else {
                $amount = ($negative) ? "-$amount" : "$amount";
            }
        }

    } else {

        if ($dash eq "0" && $places) {

            if ($myconfig->{numberformat} eq '1.000,00') {
                $amount = "0".","."0" x $places;
            } else {
                $amount = "0"."."."0" x $places;
            }

        } else {
            $amount = ($dash ne "") ? "$dash" : "";
        }
    }

    $amount;
}


sub parse_amount {

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

    if ($amount eq '') {
        return undef;
    }

    if (UNIVERSAL::isa($amount, 'Math::BigFloat')){ # Amount may not be an object   
        return $amount;
    }
    my $numberformat = $myconfig->{numberformat};


    if (($numberformat eq '1.000,00') ||
        ($numberformat eq '1000,00')) {

        $amount =~ s/\.//g;
        $amount =~ s/,/./;
    }
    if ($numberformat eq '1 000.00'){
        $amount =~ s/\s//g;
    }

    if ($numberformat eq "1'000.00") {
        $amount =~ s/'//g;
    }


    $amount =~ s/,//g;
    if ($amount =~ s/\((\d*\.?\d*)\)/$1/){
        $amount = $1 * -1;
    }
    if ($amount =~ s/(\d*\.?\d*)\s?DR/$1/){
        $amount = $1 * -1;
    }
    $amount =~ s/\s?CR//;
    $amount = new Math::BigFloat($amount);
    return ($amount * 1);
}


sub round_amount {

    my ($self, $amount, $places) = @_;

    # These rounding rules follow from the previous implementation.
    # They should be changed to allow different rules for different accounts.
    Math::BigFloat->round_mode('+inf') if $amount >= 0;
    Math::BigFloat->round_mode('-inf') if $amount < 0;

    $amount = Math::BigFloat->new($amount)->ffround(-$places) if $places >= 0;
    $amount = Math::BigFloat->new($amount)->ffround(-($places-1)) if $places < 0;

    return $amount;
}

sub callproc {
    my $procname = shift @_;
    my $argstr = "";
    my @results;
    for (1 .. $#_){
        $argstr .= "?, ";
    }
    $argstr =~ s/\, $//;
    $query = "SELECT $procname";
    $query =~ s/\(\)/$argstr/;
    my $sth = $self->{dbh}->prepare($query);
    while (my $ref = $sth->fetchrow_hashref(NAME_lc)){
        push @results, $ref;
    }
    @results;
}

sub get_my_emp_num {
    my ($self, $myconfig, $form) = @_;
    %myconfig = %{$myconfig};
    my $dbh = $form->{dbh};
    # we got a connection, check the version
    my $query = qq|
        SELECT employeenumber FROM employee 
         WHERE login = ?|;
    my $sth = $dbh->prepare($query);
    $sth->execute($form->{login}) || $form->dberror($query);
    $sth->execute;

    my ($id) = $sth->fetchrow_array;
    $sth->finish;
    $form->{'emp_num'} = $id;
}

sub parse_template {

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

    my ($chars_per_line, $lines_on_first_page, $lines_on_second_page) = (0, 0, 0);
    my ($current_page, $current_line) = (1, 1);
    my $pagebreak = "";
    my $sum = 0;

    my $subdir = "";
    my $err = "";

    my %include = ();
    my $ok;
    $self->{images} = "${LedgerSMB::Sysconfig::images}/$self->{templates}";

    if ($self->{language_code}) {

        if (-f "$self->{templates}/$self->{language_code}/$self->{IN}") {
            open(IN, '<', "$self->{templates}/$self->{language_code}/$self->{IN}") or $self->error("$self->{IN} : $!");
        } else {
            open(IN, '<', "$self->{templates}/$self->{IN}") or $self->error("$self->{IN} : $!");
        }

    } else {
        open(IN, '<', "$self->{templates}/$self->{IN}") or $self->error("$self->{IN} : $!");
    }

    @_ = <IN>;
    close(IN);

    $self->{copies} = 1 if (($self->{copies} *= 1) <= 0);

    # OUT is used for the media, screen, printer, email
    # for postscript we store a copy in a temporary file
    my $fileid = time;
    my $tmpfile = $self->{IN};
    $tmpfile =~ s/\./_$self->{fileid}./ if $self->{fileid};
    $self->{tmpfile} = "${LedgerSMB::Sysconfig::userspath}/${fileid}_${tmpfile}";

    if ($self->{format} =~ /(postscript|pdf)/ || $self->{media} eq 'email') {
        my $out = $self->{OUT};
        $self->{OUT} = "$self->{tmpfile}";
    }

    if ($self->{OUT}) {
        open(OUT, '>', "$self->{OUT}") or $self->error("$self->{OUT} : $!");

    } else {
        open(OUT, ">-") or $self->error("STDOUT : $!");
        $self->header;
    }

    # first we generate a tmpfile
    # read file and replace <?lsmb variable ?>
    while ($_ = shift) {

        $par = "";
        $var = $_;

        # detect pagebreak block and its parameters
        if (/<\?lsmb pagebreak ([0-9]+) ([0-9]+) ([0-9]+) \?>/) {
            $chars_per_line = $1;
            $lines_on_first_page = $2;
            $lines_on_second_page = $3;

            while ($_ = shift) {
                last if (/<\?lsmb end pagebreak \?>/);
                $pagebreak .= $_;
            }
        }

        if (/<\?lsmb foreach /) {

            # this one we need for the count
            chomp $var;
            $var =~ s/.*?<\?lsmb foreach (.+?) \?>/$1/;
            while ($_ = shift) {
                last if (/<\?lsmb end $var \?>/);

                # store line in $par
                $par .= $_;
            }

            # display contents of $self->{number}[] array
            for $i (0 .. $#{ $self->{$var} }) {

                if ($var =~ /^(part|service)$/) {
                    next if $self->{$var}[$i] eq 'NULL';
                }

                # Try to detect whether a manual page break is necessary
                # but only if there was a <?lsmb pagebreak ... ?> block before

                if ($var eq 'number' || $var eq 'part' || $var eq 'service') {

                    if ($chars_per_line && defined $self->{$var}) {

                        my $line;
                        my $lines = 0;
                        my @d = qw(description);
                        push @d, "itemnotes" if $self->{countitemnotes};

                        foreach my $item (@d) {

                            if ($self->{$item}[$i]) {

                                foreach $line (split /\r?\n/, $self->{$item}[$i]) {
                                    $lines++;
                                    $lines += int(length($line) / $chars_per_line);
                                }
                            }
                        }

                        my $lpp;

                        if ($current_page == 1) {
                            $lpp = $lines_on_first_page;
                        } else {
                            $lpp = $lines_on_second_page;
                        }

                        # Yes we need a manual page break
                        if (($current_line + $lines) > $lpp) {
                            my $pb = $pagebreak;

                            # replace the special variables <?lsmb sumcarriedforward ?>
                            # and <?lsmb lastpage ?>
                            my $psum = $self->format_amount($myconfig, $sum, 2);
                            $pb =~ s/<\?lsmb sumcarriedforward \?>/$psum/g;
                            $pb =~ s/<\?lsmb lastpage \?>/$current_page/g;

                            # only "normal" variables are supported here
                            # (no <?lsmb if, no <?lsmb foreach, no <?lsmb include)
                            $pb =~ s/<\?lsmb (.+?) \?>/$self->{$1}/g;

                            # page break block is ready to rock
                            print(OUT $pb);
                            $current_page++;
                            $current_line = 1;
                            $lines = 0;
                        }

                        $current_line += $lines;
                    }

                    $sum += $self->parse_amount($myconfig, $self->{linetotal}[$i]);
                }

                # don't parse par, we need it for each line
                print OUT $self->format_line($par, $i);
            }
            next;
        }

        # if not comes before if!
        if (/<\?lsmb if not /) {

            # check if it is not set and display
            chop;
            s/.*?<\?lsmb if not (.+?) \?>/$1/;

            if (! $self->{$_}) {

                while ($_ = shift) {
                    last if (/<\?lsmb end /);

                    # store line in $par
                    $par .= $_;
                }

                $_ = $par;

            } else {

                while ($_ = shift) {
                    last if (/<\?lsmb end /);
                }

                next;
            }
        }

        if (/<\?lsmb if /) {

            # check if it is set and display
            chop;
            s/.*?<\?lsmb if (.+?) \?>/$1/;

            if (/\s/) {
                @a = split;
                $ok = eval "$self->{$a[0]} $a[1] $a[2]";
            } else {
                $ok = $self->{$_};
            }

            if ($ok) {
                while ($_ = shift) {
                    last if (/<\?lsmb end /);
                    # store line in $par
                    $par .= $_;
                }

                $_ = $par;

            } else {

                while ($_ = shift) {
                    last if (/<\?lsmb end /);
                }

                next;
            }
        }

        # check for <?lsmb include filename ?>
        if (/<\?lsmb include /) {

            # get the filename
            chomp $var;
            $var =~ s/.*?<\?lsmb include (.+?) \?>/$1/;

            # remove / .. for security reasons
            $var =~ s/(\/|\.\.)//g;

            # assume loop after 10 includes of the same file
            next if ($include{$var} > 10);

            unless (open(INC, '<', "$self->{templates}/$self->{language_code}/$var")) {
                $err = $!;
                $self->cleanup;
                $self->error("$self->{templates}/$self->{language_code}/$var : $err");
            }

            unshift(@_, <INC>);
            close(INC);

            $include{$var}++;

            next;
        }

        print OUT $self->format_line($_);

    }

    close(OUT);

    delete $self->{countitemnotes};

    # Convert the tex file to postscript
    if ($self->{format} =~ /(postscript|pdf)/) {

        use Cwd;
        $self->{cwd} = cwd();
        $self->{tmpdir} = "$self->{cwd}/${LedgerSMB::Sysconfig::userspath}";
        $self->{tmpdir} = "${LedgerSMB::Sysconfig::userspath}" if
            ${LedgerSMB::Sysconfig::userspath} =~ /^\//;

        unless (chdir("${LedgerSMB::Sysconfig::userspath}")) {
            $err = $!;
            $self->cleanup;
            $self->error("chdir : $err");
        }

        $self->{tmpfile} =~ s/${LedgerSMB::Sysconfig::userspath}\///g;

        $self->{errfile} = $self->{tmpfile};
        $self->{errfile} =~ s/tex$/err/;

        my $r = 1;
        if ($self->{format} eq 'postscript') {

        system("latex --interaction=nonstopmode $self->{tmpfile} > $self->{errfile}");

        while ($self->rerun_latex) {
            system("latex --interaction=nonstopmode $self->{tmpfile} > $self->{errfile}");
            last if ++$r > 4;
        }

        $self->{tmpfile} =~ s/tex$/dvi/;
        $self->error($self->cleanup) if ! (-f $self->{tmpfile});

        system("dvips $self->{tmpfile} -o -q");
            $self->error($self->cleanup."dvips : $!") if ($?);
            $self->{tmpfile} =~ s/dvi$/ps/;
        }

        if ($self->{format} eq 'pdf') {
            system("pdflatex --interaction=nonstopmode $self->{tmpfile} > $self->{errfile}");

            while ($self->rerun_latex) {
                system("pdflatex --interaction=nonstopmode $self->{tmpfile} > $self->{errfile}");
                last if ++$r > 4;
            }

            $self->{tmpfile} =~ s/tex$/pdf/;
            $self->error($self->cleanup) if ! (-f $self->{tmpfile});
        }
    }


    if ($self->{format} =~ /(postscript|pdf)/ || $self->{media} eq 'email') {

        if ($self->{media} eq 'email') {

            use LedgerSMB::Mailer;

            my $mail = new Mailer;

            for (qw(cc bcc subject message version format charset)) { 
                $mail->{$_} = $self->{$_} 
            }

            $mail->{to} = qq|$self->{email}|;
            $mail->{from} = qq|"$myconfig->{name}" <$myconfig->{email}>|;
            $mail->{notify} = $self->{notify};
            $mail->{fileid} = "$fileid.";

            # if we send html or plain text inline
            if (($self->{format} =~ /(html|txt)/) && 
                ($self->{sendmode} eq 'inline')) {

                my $br = "";
                $br = "<br>" if $self->{format} eq 'html';

                $mail->{contenttype} = "text/$self->{format}";

                $mail->{message} =~ s/\r?\n/$br\n/g;
                $myconfig->{signature} =~ s/\\n/$br\n/g;
                $mail->{message} .= "$br\n-- $br\n$myconfig->{signature}\n$br" if $myconfig->{signature};

                unless (open(IN, '<', $self->{tmpfile})) {
                    $err = $!;
                    $self->cleanup;
                    $self->error("$self->{tmpfile} : $err");
                }

                while (<IN>) {
                    $mail->{message} .= $_;
                }

                close(IN);

            } else {

                @{ $mail->{attachments} } = ($self->{tmpfile});

                $myconfig->{signature} =~ s/\\n/\n/g;
                $mail->{message} .= "\n-- \n$myconfig->{signature}" if $myconfig->{signature};

            }

            if ($err = $mail->send) {
                $self->cleanup;
                $self->error($err);
            }

        } else {

            $self->{OUT} = $out;

            unless (open(IN, '<', $self->{tmpfile})) {
                $err = $!;
                $self->cleanup;
                $self->error("$self->{tmpfile} : $err");
            }

            binmode(IN);

            $self->{copies} = 1 if $self->{media} =~ /(screen|email|queue)/;

            chdir("$self->{cwd}");

            for my $i (1 .. $self->{copies}) {
                if ($self->{OUT}) {

                    unless (open(OUT, '>', $self->{OUT})) {
                        $err = $!;
                        $self->cleanup;
                        $self->error("$self->{OUT} : $err");
                    }

                } else {

                    # launch application
                    print qq|Content-Type: application/$self->{format}\n|.
                          qq|Content-Disposition: attachment; filename="$self->{tmpfile}"\n\n|;

                    unless (open(OUT, ">-")) {
                        $err = $!;
                        $self->cleanup;
                        $self->error("STDOUT : $err");
                    }
                }

                binmode(OUT);

                while (<IN>) {
                    print OUT $_;
                }

                close(OUT);
                seek IN, 0, 0;
            }

            close(IN);
        }

        $self->cleanup;
    }
}


sub format_line {

    my $self = shift;

    $_ = shift;
    my $i = shift;

    my $str;
    my $newstr;
    my $pos;
    my $l;
    my $lf;
    my $line;
    my $var = "";
    my %a;
    my $offset;
    my $pad;
    my $item;

    while (/<\?lsmb (.+?) \?>/) {

        %a = ();

        foreach $item (split / /, $1) {
            my ($key, $value) = split /=/, $item;

            if ($value ne "") {
                $a{$key} = $value;
            } else {
                $var = $item;
            }
        }

        $str = (defined $i) ? $self->{$var}[$i] : $self->{$var};
        $newstr = $str;

        $self->{countitemnotes} = 1 if $var eq 'itemnotes';

        $var = $1;
        if ($var =~ /^if\s+not\s+/) {

            if ($str) {

                $var =~ s/if\s+not\s+//;
                s/<\?lsmb if\s+not\s+$var \?>.*?(<\?lsmb end\s+$var \?>|$)//s;

            } else {
                s/<\?lsmb $var \?>//;
            }

            next;
        }

        if ($var =~ /^if\s+/) {

            if ($str) {
                s/<\?lsmb $var \?>//;
            } else {
                $var =~ s/if\s+//;
                s/<\?lsmb if\s+$var \?>.*?(<\?lsmb end\s+$var \?>|$)//s;
            }

            next;
        }

        if ($var =~ /^end\s+/) {
            s/<\?lsmb $var \?>//;
            next;
        }

        if ($a{align} || $a{width} || $a{offset}) {

            $newstr = "";
            $offset = 0;
            $lf = "";

            foreach $str (split /\n/, $str) {

                $line = $str;
                $l = length $str;

                do {

                    if (($pos = length $str) > $a{width}) {

                        if (($pos = rindex $str, " ", $a{width}) > 0) {
                            $line = substr($str, 0, $pos);
                        }

                        $pos = length $str if $pos == -1;
                    }

                    $l = length $line;

                    # pad left, right or center
                    $l = ($a{width} - $l);

                    $pad = " " x $l;

                    if ($a{align} =~ /right/i) {
                        $line = " " x $offset . $pad . $line;
                    }

                    if ($a{align} =~ /left/i) {
                        $line = " " x $offset . $line . $pad;
                    }

                    if ($a{align} =~ /center/i) {
                        $pad = " " x ($l/2);
                        $line = " " x $offset . $pad . $line;
                        $pad = " " x ($l/2);
                        $line .= $pad;
                    }

                    $newstr .= "$lf$line";

                    $str = substr($str, $pos + 1);
                    $line = $str;
                    $lf = "\n";

                    $offset = $a{offset};

                } while ($str);
            }
        }

        s/<\?lsmb (.+?) \?>/$newstr/;

    }

    $_;
}


sub cleanup {

    my $self = shift;

    chdir("$self->{tmpdir}");

    my @err = ();

    if (-f "$self->{errfile}") {
        open(FH, '<', "$self->{errfile}");
        @err = <FH>;
        close(FH);
    }

    if ($self->{tmpfile}) {
        # strip extension
        $self->{tmpfile} =~ s/\.\w+$//g;
        my $tmpfile = $self->{tmpfile};
        unlink(<$tmpfile.*>);
    }

    chdir("$self->{cwd}");

    "@err";
}


sub rerun_latex {

    my $self = shift;

    my $a = 0;

    if (-f "$self->{errfile}") {
        open(FH, '<', "$self->{errfile}");
        $a = grep /(longtable Warning:|Warning:.*?LastPage)/, <FH>;
        close(FH);
    }

    $a;
}


sub format_string {

    my ($self, @fields) = @_;

    my $format = $self->{format};

    if ($self->{format} =~ /(postscript|pdf)/) {
        $format = 'tex';
    }

    my %replace = ( 
        'order' => { 
            html => [ '<', '>', '\n', '\r' ],
            txt  => [ '\n', '\r' ],
            tex  => [ quotemeta('\\'), '&', '\n','\r', 
                '\$', '%', '_', '#',
                quotemeta('^'), '{', '}', '<', '>', '£' 
                ] },
        html => { '<'  => '&lt;', '>' => '&gt;','\n' => '<br />', 
            '\r' => '<br />' },
        txt  => { '\n' => "\n", '\r' => "\r" },
        tex  => {'&' => '\&', '$' => '\$', '%' => '\%', '_' => '\_',
            '#' => '\#', quotemeta('^') => '\^\\', '{' => '\{', 
            '}' => '\}', '<' => '$<$', '>' => '$>$',
            '\n' => '\newline ', '\r' => '\newline ', 
            '£' => '\pounds ', quotemeta('\\') => '/'} 
    );

    my $key;

    foreach $key (@{ $replace{order}{$format} }) {
        for (@fields) { $self->{$_} =~ s/$key/$replace{$format}{$key}/g }
    }

}


sub datetonum {

    my ($self, $myconfig, $date, $picture) = @_;

    if ($date && $date =~ /\D/) {

        if ($myconfig->{dateformat} =~ /^yy/) {
            ($yy, $mm, $dd) = split /\D/, $date;
        }

        if ($myconfig->{dateformat} =~ /^mm/) {
            ($mm, $dd, $yy) = split /\D/, $date;
        }

        if ($myconfig->{dateformat} =~ /^dd/) {
            ($dd, $mm, $yy) = split /\D/, $date;
        }

        $dd *= 1;
        $mm *= 1;
        $yy += 2000 if length $yy == 2;

        $dd = substr("0$dd", -2);
        $mm = substr("0$mm", -2);

        $date = "$yy$mm$dd";
    }

    $date;
}


sub add_date {

    my ($self, $myconfig, $date, $repeat, $unit) = @_;

    use Time::Local;

    my $diff = 0;
    my $spc = $myconfig->{dateformat};
    $spc =~ s/\w//g;
    $spc = substr($spc, 0, 1);

    if ($date) {

        if ($date =~ /\D/) {

            if ($myconfig->{dateformat} =~ /^yy/) {
                ($yy, $mm, $dd) = split /\D/, $date;
            }

            if ($myconfig->{dateformat} =~ /^mm/) {
                ($mm, $dd, $yy) = split /\D/, $date;
            }

            if ($myconfig->{dateformat} =~ /^dd/) {
                ($dd, $mm, $yy) = split /\D/, $date;
            }

        } else {
            # ISO
            ($yy, $mm, $dd) =~ /(....)(..)(..)/;
        }

        if ($unit eq 'days') {
            $diff = $repeat * 86400;
        }

        if ($unit eq 'weeks') {
            $diff = $repeat * 604800;
        }

        if ($unit eq 'months') {
            $diff = $mm + $repeat;

            my $whole = int($diff / 12);
            $yy += $whole;

            $mm = ($diff % 12) + 1;
            $diff = 0;
        }

        if ($unit eq 'years') {
            $yy++;
        }

        $mm--;

        @t = localtime(timelocal(0,0,0,$dd,$mm,$yy) + $diff);

        $t[4]++;
        $mm = substr("0$t[4]",-2);
        $dd = substr("0$t[3]",-2);
        $yy = $t[5] + 1900;

        if ($date =~ /\D/) {

            if ($myconfig->{dateformat} =~ /^yy/) {
                $date = "$yy$spc$mm$spc$dd";
            }

            if ($myconfig->{dateformat} =~ /^mm/) {
                $date = "$mm$spc$dd$spc$yy";
            }

            if ($myconfig->{dateformat} =~ /^dd/) {
                $date = "$dd$spc$mm$spc$yy";
            }

        } else {
            $date = "$yy$mm$dd";
        }
    }

    $date;
}


sub print_button {
    my ($self, $button, $name) = @_;

    print qq|<button class="submit" type="submit" name="action" value="$name" accesskey="$button->{$name}{key}" title="$button->{$name}{value} [Alt-$button->{$name}{key}]">$button->{$name}{value}</button>\n|;
}          


# Database routines used throughout

sub db_init {
    my ($self, $myconfig) = @_;
    $self->{dbh} = $self->dbconnect_noauto($myconfig) || $self->dberror();

    my $query = 
        "SELECT t.extends, 
            coalesce (t.table_name, 'custom_' || extends) 
            || ':' || f.field_name as field_def
        FROM custom_table_catalog t
        JOIN custom_field_catalog f USING (table_id)";
    my $sth = $self->{dbh}->prepare($query);
    $sth->execute;
    my $ref;
    while ($ref = $sth->fetchrow_hashref(NAME_lc)){
        push @{$self->{custom_db_fields}{$ref->{extends}}},
            $ref->{field_def};
    }
}

sub run_custom_queries {
    my ($self, $tablename, $query_type, $linenum) = @_;
    my $dbh = $self->{dbh};
    if ($query_type !~ /^(select|insert|update)$/i){
        $self->error($locale->text(
            "Passed incorrect query type to run_custom_queries."
        ));
    }
    my @rc;
    my %temphash;
    my @templist;
    my @elements;
    my $query;
    my $ins_values;
    if ($linenum){
        $linenum = "_$linenum";
    }

    $query_type = uc($query_type);
    for (@{$self->{custom_db_fields}{$tablename}}){
        @elements = split (/:/, $_);
        push @{$temphash{$elements[0]}}, $elements[1];
    }
    for (keys %temphash){
        my @data;
        my $ins_values;
        $query = "$query_type ";
        if ($query_type eq 'UPDATE'){
            $query = "DELETE FROM $_ WHERE row_id = ?";
            my $sth = $dbh->prepare($query);
            $sth->execute->($self->{"id"."$linenum"})
                || $self->dberror($query);
        } elsif ($query_type eq 'INSERT'){
            $query .= " INTO $_ (";
        }
        my $first = 1;
        for (@{$temphash{$_}}){
            $query .= "$_";
            if ($query_type eq 'UPDATE'){
                $query .= '= ?';
            }   
            $ins_values .= "?, ";
            $query .= ", ";
            $first = 0;
            if ($query_type eq 'UPDATE' or $query_type eq 'INSERT'){
                push @data, $self->{"$_$linenum"}; 
            }
        }
        if ($query_type ne 'INSERT'){
            $query =~ s/, $//;
        }
        if ($query_type eq 'SELECT'){
            $query .= " FROM $_";
        }
        if ($query_type eq 'SELECT' or $query_type eq 'UPDATE'){
            $query .= " WHERE row_id = ?";
        }
        if ($query_type eq 'INSERT'){
            $query .= " row_id) VALUES ($ins_values ?)";
        }
        if ($query_type eq 'SELECT'){
            push @rc, [ $query ];
        } else {
            unshift (@data, $query);
            push @rc, [ @data ];
        }
    }
    if ($query_type eq 'INSERT'){
        for (@rc){
            $query = shift (@{$_});
            $sth = $dbh->prepare($query) 
                || $self->db_error($query);
            $sth->execute(@{$_}, $self->{id})
                || $self->dberror($query);;
            $sth->finish;
            $did_insert = 1;
        }
    } elsif ($query_type eq 'UPDATE'){
        @rc = $self->run_custom_queries(
            $tablename, 'INSERT', $linenum);
    } elsif ($query_type eq 'SELECT'){
        for (@rc){
            $query = shift @{$_};
            $sth = $self->{dbh}->prepare($query);
            $sth->execute($self->{id});
            $ref = $sth->fetchrow_hashref(NAME_lc);
            for (keys %{$ref}){
                $self->{$_} = $ref->{$_};
            }
        }
    }
    @rc;
}


sub dbconnect {

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

    # connect to database
    my $dbh = DBI->connect($myconfig->{dbconnect}, $myconfig->{dbuser}, $myconfig->{dbpasswd}) or $self->dberror;

    # set db options
    if ($myconfig->{dboptions}) {
        $dbh->do($myconfig->{dboptions}) || $self->dberror($myconfig->{dboptions});
    }

    $dbh;
}


sub dbconnect_noauto {

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

    # connect to database
    $dbh = DBI->connect($myconfig->{dbconnect}, $myconfig->{dbuser}, $myconfig->{dbpasswd}, {AutoCommit => 0}) or $self->dberror;

    # set db options
    if ($myconfig->{dboptions}) {
        $dbh->do($myconfig->{dboptions});
    }

    $dbh;
}


sub dbquote {

    my ($self, $var) = @_;

    if ($var eq ''){
        $_ = "NULL";
    } else {
        $_ = $self->{dbh}->quote($var);
    }
    $_;
}


sub update_balance {
    # This is a dangerous private function.  All apps calling it must
    # be careful to avoid SQL injection issues

    my ($self, $dbh, $table, $field, $where, $value) = @_;

    # if we have a value, go do it
    if ($value) {
        # retrieve balance from table
        my $query = "SELECT $field FROM $table WHERE $where FOR UPDATE";
        my ($balance) = $dbh->selectrow_array($query);

        $balance += $value;
        # update balance
        $query = "UPDATE $table SET $field = $balance WHERE $where";
        $dbh->do($query) || $self->dberror($query);
    }
}


sub update_exchangerate {

    my ($self, $dbh, $curr, $transdate, $buy, $sell) = @_;

    # some sanity check for currency
    return if ($curr eq "");

    my $query = qq|
        SELECT curr 
        FROM exchangerate
        WHERE curr = ?
        AND transdate = ?
        FOR UPDATE|;

    my $sth = $self->{dbh}->prepare($query);
    $sth->execute($curr, $transdate) || $self->dberror($query);

    my $set;
    my @queryargs;

    if ($buy && $sell) {
        $set = "buy = ?, sell = ?";
        @queryargs = ($buy, $sell);
    } elsif ($buy) {
        $set = "buy = ?";
        @queryargs = ($buy);
    } elsif ($sell) {
        $set = "sell = ?";
        @queryargs = ($sell);
    }

    if ($sth->fetchrow_array) {
        $query = qq|UPDATE exchangerate
                       SET $set
                     WHERE curr = ?
                       AND transdate = ?|;
        push (@queryargs, $curr, $transdate);

    } else {
        $query = qq|
            INSERT INTO exchangerate (
            curr, buy, sell, transdate)
            VALUES (?, ?, ?, ?)|;
        @queryargs = ($curr, $buy, $sell, $transdate);
    }
    $sth->finish;
    $sth = $self->{dbh}->prepare($query);

    $sth->execute(@queryargs) || $self->dberror($query);

}


sub save_exchangerate {

    my ($self, $myconfig, $currency, $transdate, $rate, $fld) = @_;

    my ($buy, $sell) = (0, 0);
    $buy = $rate if $fld eq 'buy';
    $sell = $rate if $fld eq 'sell';

    $self->update_exchangerate(
            $self->{dbh}, 
            $currency, 
            $transdate, 
            $buy, 
            $sell);

    $dbh->commit;
}


sub get_exchangerate {

    my ($self, $dbh, $curr, $transdate, $fld) = @_;

    my $exchangerate = 1;

    if ($transdate) {
        my $query = qq|
            SELECT $fld FROM exchangerate
            WHERE curr = ? AND transdate = ?|;
        $sth = $self->{dbh}->prepare($query);
        $sth->execute($curr, $transdate);

        ($exchangerate) = $sth->fetchrow_array;
    }

    $exchangerate;
    $sth->finish;
    $self->{dbh}->commit;
}


sub check_exchangerate {

    my ($self, $myconfig, $currency, $transdate, $fld) = @_;

    return "" unless $transdate;


    my $query = qq|
        SELECT $fld 
        FROM exchangerate
        WHERE curr = ? AND transdate = ?|;

    my $sth = $self->{dbh}->prepare($query);
    $sth->execute($currenct, $transdate);
    my ($exchangerate) = $sth->fetchrow_array;

    $sth->finish;
    $self->{dbh}->commit;

    $exchangerate;
}


sub add_shipto {
    my ($self, $dbh, $id) = @_;

    my $shipto;

    foreach my $item (qw(name address1 address2 city state 
                         zipcode country contact phone fax email)) {

        if ($self->{"shipto$item"} ne "") {
            $shipto = 1 if ($self->{$item} ne $self->{"shipto$item"});
        }
    }

    if ($shipto) {
        my $query = qq|
            INSERT INTO shipto 
            (trans_id, shiptoname, shiptoaddress1,
                shiptoaddress2, shiptocity, shiptostate,
                shiptozipcode, shiptocountry, shiptocontact,
                shiptophone, shiptofax, shiptoemail) 
            VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
            |;

        $sth = $self->{dbh}->prepare($query) || $self->dberror($query);
        $sth->execute(
            $id, $self->{shiptoname}, $self->{shiptoaddress1},
            $self->{shiptoaddress2}, $self->{shiptocity},
            $self->{shiptostate},
            $self->{shiptozipcode}, $self->{shiptocountry},
            $self->{shiptocontact}, $self->{shiptophone},
            $self->{shiptofax}, $self->{shiptoemail}
        ) || $self->dberror($query);
        $sth->finish;
        $self->{dbh}->commit;
    }
}


sub get_employee {
    my ($self, $dbh) = @_;

    my $login = $self->{login};
    $login =~ s/@.*//;

    my $query = qq|SELECT name, id 
                     FROM employee 
                    WHERE login = ?|;

    $sth = $self->{dbh}->prepare($query);
    $sth->execute($login);
    my (@a) = $sth->fetchrow_array();
    $a[1] *= 1;

    $sth->finish;
    $self->{dbh}->commit;

    @a;
}


# this sub gets the id and name from $table
sub get_name {

    my ($self, $myconfig, $table, $transdate) = @_;

    # connect to database

    my @queryargs;
    my $where;
    if ($transdate) {
        $where = qq|
            AND (startdate IS NULL OR startdate <= ?)
                    AND (enddate IS NULL OR enddate >= ?)|;

        @queryargs = ($transdate, $transdate);
    }

    my $name = $self->like(lc $self->{$table});

    my $query = qq|
        SELECT * FROM $table
        WHERE (lower(name) LIKE ? OR ${table}number LIKE ?)
        $where
        ORDER BY name|;

    unshift(@queryargs, $name, $name);
    my $sth = $self->{dbh}->prepare($query);

    $sth->execute(@queryargs) || $self->dberror($query);

    my $i = 0;
    @{ $self->{name_list} } = ();

    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
        push(@{ $self->{name_list} }, $ref);
        $i++;
    }

    $sth->finish;
    $self->{dbh}->commit;

    $i;

}


sub all_vc {

    my ($self, $myconfig, $vc, $module, $dbh, $transdate, $job) = @_;

    my $ref;
    my $disconnect = 0;

    $dbh = $self->{dbh};

    my $sth;

    my $query = qq|SELECT count(*) FROM $vc|;
    my $where;
    my @queryargs = ();

    if ($transdate) {
        $query .= qq| WHERE (startdate IS NULL OR startdate <= ?)
                    AND (enddate IS NULL OR enddate >= ?)|;

        @queryargs = ($transdate, $transdate);      
    }

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

    $sth->execute(@queryargs);

    my ($count) = $sth->fetchrow_array;

    $sth->finish;
    @queryargs = ();
    # build selection list
    if ($count < $myconfig->{vclimit}) {

        $self->{"${vc}_id"} *= 1;

        $query = qq|SELECT id, name
                      FROM $vc
                     WHERE 1=1
                           $where

                     UNION 

                    SELECT id,name
                      FROM $vc
                     WHERE id = ?
                  ORDER BY name|;

        push(@queryargs, $self->{"${vc}_id"});

        $sth = $dbh->prepare($query);
        $sth->execute(@queryargs) || $self->dberror($query);

        @{ $self->{"all_$vc"} } = ();

        while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
            push @{ $self->{"all_$vc"} }, $ref;
        }

        $sth->finish;

    }

    # get self
    if (! $self->{employee_id}) {
        ($self->{employee}, $self->{employee_id}) = split /--/, $self->{employee};
        ($self->{employee}, $self->{employee_id}) = $self->get_employee($dbh) unless $self->{employee_id};
    }

    $self->all_employees($myconfig, $dbh, $transdate, 1);

    $self->all_departments($myconfig, $dbh, $vc);

    $self->all_projects($myconfig, $dbh, $transdate, $job);

    # get language codes
    $query = qq|SELECT *
                  FROM language
              ORDER BY 2|;

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

    $self->{all_language} = ();

    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
        push @{ $self->{all_language} }, $ref;
    }

    $sth->finish;
    $self->all_taxaccounts($myconfig, $dbh, $transdate);
    $self->{dbh}->commit;
}


sub all_taxaccounts {

    my ($self, $myconfig, $dbh2, $transdate) = @_;

    my $dbh = $self->{dbh};

    my $sth;
    my $query;
    my $where;

    my @queryargs = ();

    if ($transdate) {
        $where = qq| AND (t.validto >= ? OR t.validto IS NULL)|;
        push(@queryargs, $transdate);
    }

    if ($self->{taxaccounts}) {

        # rebuild tax rates
        $query = qq|SELECT t.rate, t.taxnumber 
                      FROM tax t 
                      JOIN chart c ON (c.id = t.chart_id) 
                     WHERE c.accno = ?
                    $where
                  ORDER BY accno, validto|;

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

        foreach my $accno (split / /, $self->{taxaccounts}) {
            $sth->execute($accno, @queryargs); 
            ($self->{"${accno}_rate"}, $self->{"${accno}_taxnumber"}) = $sth->fetchrow_array;
            $sth->finish;
        }
    }
    $self->{dbh}->commit;
}


sub all_employees {

    my ($self, $myconfig, $dbh2, $transdate, $sales) = @_;

    my $dbh = $self->{dbh};
    my @whereargs = ();
    # setup employees/sales contacts
    my $query = qq|SELECT id, name
                     FROM employee
                    WHERE 1 = 1|;

    if ($transdate) {
        $query .= qq| AND (startdate IS NULL OR startdate <= ?)
        AND (enddate IS NULL OR enddate >= ?)|;
        @whereargs = ($transdate, $transdate);
    } else {
        $query .= qq| AND enddate IS NULL|;
    }

    if ($sales) {
        $query .= qq| AND sales = '1'|;
    }

    $query .= qq| ORDER BY name|;
    my $sth = $dbh->prepare($query);
    $sth->execute(@whereargs) || $self->dberror($query);

    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
        push @{ $self->{all_employee} }, $ref;
    }

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


sub all_projects {

    my ($self, $myconfig, $dbh2, $transdate, $job) = @_;

    my $dbh = $self->{dbh};
    my @queryargs = ();

    my $where = "1 = 1";

    $where = qq|id NOT IN (SELECT id
                             FROM parts
                            WHERE project_id > 0)| if ! $job;

    my $query = qq|SELECT *
                     FROM project
                    WHERE $where|;

    if ($self->{language_code}) {

        $query = qq|
            SELECT pr.*, t.description AS translation
            FROM project pr
            LEFT JOIN translation t ON (t.trans_id = pr.id)
            WHERE t.language_code = ?|;
        push(@queryargs, $self->{language_code});
    }

    if ($transdate) {
        $query .= qq| AND (startdate IS NULL OR startdate <= ?)
                AND (enddate IS NULL OR enddate >= ?)|;
        push(@queryargs, $transdate, $transdate);
    }

    $query .= qq| ORDER BY projectnumber|;

    $sth = $dbh->prepare($query);
    $sth->execute(@queryargs)|| $self->dberror($query);

    @{ $self->{all_project} } = ();

    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
        push @{ $self->{all_project} }, $ref;
    }

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


sub all_departments {

    my ($self, $myconfig, $dbh2, $vc) = @_;

    $dbh = $self->{dbh};

    my $where = "1 = 1";

    if ($vc) {
        if ($vc eq 'customer') {
            $where = " role = 'P'";
        }
    }

    my $query = qq|SELECT id, description
                     FROM department
                    WHERE $where
                 ORDER BY 2|;

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

    @{ $self->{all_department} } = ();

    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
        push @{ $self->{all_department} }, $ref;
    }

    $sth->finish;
    $self->all_years($myconfig);
    $dbh->commit;
}


sub all_years {

    my ($self, $myconfig, $dbh2) = @_;

    $dbh = $self->{dbh};

    # get years
    my $query = qq|
        SELECT (SELECT MIN(transdate) FROM acc_trans),
               (SELECT MAX(transdate) FROM acc_trans)|;

    my ($startdate, $enddate) = $dbh->selectrow_array($query);

    if ($myconfig->{dateformat} =~ /^yy/) {
        ($startdate) = split /\W/, $startdate;
        ($enddate) = split /\W/, $enddate;
    } else { 
        (@_) = split /\W/, $startdate;
        $startdate = $_[2];
        (@_) = split /\W/, $enddate;
        $enddate = $_[2]; 
    }

    $self->{all_years} = ();
    $startdate = substr($startdate,0,4);
    $enddate = substr($enddate,0,4);

    while ($enddate >= $startdate) {
        push @{ $self->{all_years} }, $enddate--;
    }

    #this should probably be changed to use locale
    %{ $self->{all_month} } = ( 
        '01' => 'January',
        '02' => 'February',
        '03' => 'March',
        '04' => 'April',
        '05' => 'May ',
        '06' => 'June',
        '07' => 'July',
        '08' => 'August',
        '09' => 'September',
        '10' => 'October',
        '11' => 'November',
        '12' => 'December' );

    $dbh->commit;
}


sub create_links {

    my ($self, $module, $myconfig, $vc, $job) = @_;

    # get last customers or vendors
    my ($query, $sth);

    $dbh = $self->{dbh};

    my %xkeyref = ();


    # now get the account numbers
    $query = qq|SELECT accno, description, link
                  FROM chart
                 WHERE link LIKE ?
              ORDER BY accno|;

    $sth = $dbh->prepare($query);
    $sth->execute("%"."$module%") || $self->dberror($query);

    $self->{accounts} = "";

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

        foreach my $key (split /:/, $ref->{link}) {

            if ($key =~ /$module/) {
                # cross reference for keys
                $xkeyref{$ref->{accno}} = $key;

                push @{ $self->{"${module}_links"}{$key} }, 
                    { accno => $ref->{accno},
                    description => $ref->{description} };

                $self->{accounts} .= "$ref->{accno} " 
                    unless $key =~ /tax/;
            }
        }
    }

    $sth->finish;

    my $arap = ($vc eq 'customer') ? 'ar' : 'ap';

    if ($self->{id}) {

        $query = qq|
            SELECT a.invnumber, a.transdate,
                a.${vc}_id, a.datepaid, a.duedate, a.ordnumber,
                a.taxincluded, a.curr AS currency, a.notes, 
                a.intnotes, c.name AS $vc, a.department_id, 
                d.description AS department,
                a.amount AS oldinvtotal, a.paid AS oldtotalpaid,
                a.employee_id, e.name AS employee, 
                c.language_code, a.ponumber
            FROM $arap a
            JOIN $vc c ON (a.${vc}_id = c.id)
            LEFT JOIN employee e ON (e.id = a.employee_id)
            LEFT JOIN department d ON (d.id = a.department_id)
            WHERE a.id = ?|;

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

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

        foreach $key (keys %$ref) {
            $self->{$key} = $ref->{$key};
        }

        $sth->finish;


        # get printed, emailed
        $query = qq|
            SELECT s.printed, s.emailed, s.spoolfile, s.formname
            FROM status s WHERE s.trans_id = ?|;

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

        while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
            $self->{printed} .= "$ref->{formname} " 
                if $ref->{printed};
            $self->{emailed} .= "$ref->{formname} " 
                if $ref->{emailed};
            $self->{queued} .= "$ref->{formname} ".
                "$ref->{spoolfile} " if $ref->{spoolfile};
        }

        $sth->finish;
        for (qw(printed emailed queued)) { $self->{$_} =~ s/ +$//g }

        # get recurring
        $self->get_recurring($dbh);

        # get amounts from individual entries
        $query = qq|
            SELECT c.accno, c.description, a.source, a.amount,
                a.memo, a.transdate, a.cleared, a.project_id,
                p.projectnumber
            FROM acc_trans a
            JOIN chart c ON (c.id = a.chart_id)
            LEFT JOIN project p ON (p.id = a.project_id)
            WHERE a.trans_id = ?
                AND a.fx_transaction = '0'
            ORDER BY transdate|;

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


        my $fld = ($vc eq 'customer') ? 'buy' : 'sell';

        $self->{exchangerate} = $self->get_exchangerate($dbh, 
                $self->{currency}, $self->{transdate}, $fld);

        # store amounts in {acc_trans}{$key} for multiple accounts
        while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
            $ref->{exchangerate} = $self->get_exchangerate($dbh, 
                    $self->{currency}, 
                    $ref->{transdate}, 
                    $fld);

            push @{ $self->{acc_trans}{$xkeyref{$ref->{accno}}} }, 
                $ref;
        }

        $sth->finish;

        for (qw(curr closedto revtrans)){
            $query = qq|
                SELECT value FROM defaults 
                 WHERE setting_key = '$_'|;

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

            ($val) = $sth->fetchrow_array();
            if ($_ eq 'curr'){
                $self->{currencies} = $val;
            } else {
                $self->{$_} = $val;
            }
            $sth->finish;
        }

    } else {

        for (qw(current_date curr closedto revtrans)){
            $query = qq|
                SELECT value FROM defaults 
                 WHERE setting_key = '$_'|;

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

            ($val) = $sth->fetchrow_array();
            if ($_ eq 'curr'){
                $self->{currencies} = $val;
            } elsif ($_ eq 'current_date'){
                $self->{transdate} = $val;
            } else {
                $self->{$_} = $val;
            }
            $sth->finish;
        }

        if (! $self->{"$self->{vc}_id"}) {
            $self->lastname_used($myconfig, $dbh, $vc, $module);
        }
    }

    $self->all_vc($myconfig, $vc, $module, $dbh, $self->{transdate}, $job);
    $self->{dbh}->commit;
}


sub lastname_used {

    my ($self, $myconfig, $dbh2, $vc, $module) = @_;

    my $dbh = $self->{dbh};

    my $arap = ($vc eq 'customer') ? "ar" : "ap";
    my $where = "1 = 1";
    my $sth;

    if ($self->{type} =~ /_order/) {
        $arap = 'oe';
        $where = "quotation = '0'";
    }

    if ($self->{type} =~ /_quotation/) {
        $arap = 'oe'; 
        $where = "quotation = '1'";
    }

    my $query = qq|
        SELECT id 
        FROM $arap
        WHERE id IN 
            (SELECT MAX(id) 
            FROM $arap
            WHERE $where AND ${vc}_id > 0)|;

    my ($trans_id) = $dbh->selectrow_array($query);

    $trans_id *= 1;

    my $DAYS = ($myconfig->{dbdriver} eq 'DB2') ? "DAYS" : "";

    $query = qq|
        SELECT ct.name AS $vc, a.curr AS currency, a.${vc}_id,
            current_date + ct.terms $DAYS AS duedate, 
            a.department_id, d.description AS department, ct.notes, 
            ct.curr AS currency
        FROM $arap a
        JOIN $vc ct ON (a.${vc}_id = ct.id)
        LEFT JOIN department d ON (a.department_id = d.id)
        WHERE a.id = ?|;

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

    my $ref = $sth->fetchrow_hashref(NAME_lc);
    for (keys %$ref) { $self->{$_} = $ref->{$_} }
    $sth->finish;
    $dbh->commit;
}


sub current_date {

    my ($self, $myconfig, $thisdate, $days) = @_;

    my $dbh = $self->{dbh};
    my $query;

    $days *= 1;
    if ($thisdate) {

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

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

        if ($thisdate !~ /\D/) {
            $dateformat = 'yyyymmdd';
        }

        $query = qq|SELECT to_date(?, ?) 
                + ?::interval AS thisdate|;
        @queryargs = ($thisdate, $dateformat, $days);

    } else {
        $query = qq|SELECT current_date AS thisdate|;
        @queryargs = ();
    }

    $sth = $dbh->prepare($query);
    $sth->execute(@queryargs);
    ($thisdate) = $sth->fetchrow_array;
    $dbh->commit;
    $thisdate;
}


sub like {

    my ($self, $str) = @_;
    "%$str%";
}


sub redo_rows {

    my ($self, $flds, $new, $count, $numrows) = @_;

    my @ndx = ();

    for (1 .. $count) { 
        push @ndx, { num => $new->[$_-1]->{runningnumber}, ndx => $_ } 
    }

    my $i = 0;
    # fill rows
    foreach my $item (sort { $a->{num} <=> $b->{num} } @ndx) {
        $i++;
        $j = $item->{ndx} - 1;
        for (@{$flds}) { $self->{"${_}_$i"} = $new->[$j]->{$_} }
    }

    # delete empty rows
    for $i ($count + 1 .. $numrows) {
        for (@{$flds}) { delete $self->{"${_}_$i"} }
    }
}


sub get_partsgroup {

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

    my $dbh = $self->{dbh};

    my $query = qq|SELECT DISTINCT pg.id, pg.partsgroup
                     FROM partsgroup pg
                     JOIN parts p ON (p.partsgroup_id = pg.id)|;

    my $where;
    my $sortorder = "partsgroup";

    if ($p->{searchitems} eq 'part') {
        $where = qq| WHERE (p.inventory_accno_id > 0
                       AND p.income_accno_id > 0)|;
    }

    if ($p->{searchitems} eq 'service') {
        $where = qq| WHERE p.inventory_accno_id IS NULL|;
    }

    if ($p->{searchitems} eq 'assembly') {
        $where = qq| WHERE p.assembly = '1'|;
    }

    if ($p->{searchitems} eq 'labor') {
        $where = qq| WHERE p.inventory_accno_id > 0 AND p.income_accno_id IS NULL|;
    }

    if ($p->{searchitems} eq 'nolabor') {
        $where = qq| WHERE p.income_accno_id > 0|;
    }

    if ($p->{all}) {
        $query = qq|SELECT id, partsgroup
                      FROM partsgroup|;
    } 
    my @queryargs = ();

    if ($p->{language_code}) {
        $sortorder = "translation";

        $query = qq|
            SELECT DISTINCT pg.id, pg.partsgroup,
                t.description AS translation
            FROM partsgroup pg
            JOIN parts p ON (p.partsgroup_id = pg.id)
            LEFT JOIN translation t ON (t.trans_id = pg.id 
                AND t.language_code = ?)|;
        @queryargs = ($p->{language_code});
    }

    $query .= qq| $where ORDER BY $sortorder|;

    my $sth = $dbh->prepare($query);
    $sth->execute(@queryargs)|| $self->dberror($query);

    $self->{all_partsgroup} = ();

    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
        push @{ $self->{all_partsgroup} }, $ref;
    }

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


sub update_status {

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

    # no id return
    return unless $self->{id};

    my $dbh = $self->{dbh};

    my %queued = split / +/, $self->{queued};
    my $spoolfile = ($queued{$self->{formname}}) ? "'$queued{$self->{formname}}'" : 'NULL';

    my $query = qq|DELETE FROM status
                    WHERE formname = ?
                      AND trans_id = ?|;

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

    $sth->finish;

    my $printed = ($self->{printed} =~ /$self->{formname}/) ? "1" : "0";
    my $emailed = ($self->{emailed} =~ /$self->{formname}/) ? "1" : "0";

    $query = qq|
        INSERT INTO status 
            (trans_id, printed, emailed, spoolfile, formname) 
        VALUES (?, ?, ?, ?, ?)|;

    $sth = $dbh->prepare($query);
    $sth->execute($self->{id}, $printed, $emailed, $spoolfile, 
            $self->{formname});
    $sth->finish;

    $dbh->commit;
}


sub save_status {

    my ($self) = @_;

    $dbh = $self->{dbh};

    my $formnames = $self->{printed};
    my $emailforms = $self->{emailed};

    my $query = qq|DELETE FROM status
                    WHERE trans_id = ?|;

    my $sth = $dbh->prepare($query);
    $sth->execute($self->{id});
    $sth->finish;

    my %queued;
    my $formname;

    if ($self->{queued}) {

        %queued = split / +/, $self->{queued};

        foreach $formname (keys %queued) {

            $printed = ($self->{printed} =~ /$formname/) ? "1" : "0";
            $emailed = ($self->{emailed} =~ /$formname/) ? "1" : "0";

            if ($queued{$formname}) {
                $query = qq|
                    INSERT INTO status 
                        (trans_id, printed, emailed,
                        spoolfile, formname)
                    VALUES (?, ?, ?, ?, ?)|;

                $sth = $dbh->prepare($query);
                $sth->execute($self->{id}, $pinted, $emailed,
                    $queued{$formname}, $formname)
                    || $self->dberror($query);
                $sth->finish;
            }

            $formnames =~ s/$formname//;
            $emailforms =~ s/$formname//;

        }
    }

    # save printed, emailed info
    $formnames =~ s/^ +//g;
    $emailforms =~ s/^ +//g;

    my %status = ();
    for (split / +/, $formnames) { $status{$_}{printed} = 1 }
    for (split / +/, $emailforms) { $status{$_}{emailed} = 1 }

    foreach my $formname (keys %status) {
        $printed = ($formnames =~ /$self->{formname}/) ? "1" : "0";
        $emailed = ($emailforms =~ /$self->{formname}/) ? "1" : "0";

        $query = qq|
            INSERT INTO status (trans_id, printed, emailed, 
                formname)
            VALUES (?, ?, ?, ?)|;

        $sth = $dbh->prepare($query);
        $sth->execute($self->{id}, $printed, $emailed, $formname);
        $sth->finish;
    }
    $dbh->commit;
}


sub get_recurring {

    my ($self) = @_;

    $dbh = $self->{dbh};
    my $query = qq/
        SELECT s.*, se.formname || ':' || se.format AS emaila,
            se.message, sp.formname || ':' || 
                sp.format || ':' || sp.printer AS printa
        FROM recurring s
        LEFT JOIN recurringemail se ON (s.id = se.id)
        LEFT JOIN recurringprint sp ON (s.id = sp.id)
        WHERE s.id = ?/;

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

    for (qw(email print)) { $self->{"recurring$_"} = "" }

    while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
        for (keys %$ref) { $self->{"recurring$_"} = $ref->{$_} }
        $self->{recurringemail} .= "$ref->{emaila}:";
        $self->{recurringprint} .= "$ref->{printa}:";
        for (qw(emaila printa)) { delete $self->{"recurring$_"} }
    }

    $sth->finish;
    chop $self->{recurringemail};
    chop $self->{recurringprint};

    if ($self->{recurringstartdate}) {
        $self->{recurringreference} = $self->escape($self->{recurringreference},1);
        $self->{recurringmessage} = $self->escape($self->{recurringmessage},1);
        for (qw(reference startdate repeat unit howmany 
                payment print email message)) { 

            $self->{recurring} .= qq|$self->{"recurring$_"},| 
        }

        chop $self->{recurring};
    }
    $dbh->commit;
}


sub save_recurring {

    my ($self, $dbh2, $myconfig) = @_;

    my $dbh = $self->{dbh};

    my $query;

    $query = qq|DELETE FROM recurring
                 WHERE id = ?|;

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

    $query = qq|DELETE FROM recurringemail
                 WHERE id = ?|;

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

    $query = qq|DELETE FROM recurringprint
                 WHERE id = ?|;

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

    if ($self->{recurring}) {

        my %s = ();
        ($s{reference}, $s{startdate}, $s{repeat}, $s{unit}, 
            $s{howmany}, $s{payment}, $s{print}, $s{email}, 
            $s{message}) 
                = split /,/, $self->{recurring};

        for (qw(reference message)) { $s{$_} = $self->unescape($s{$_}) }
        for (qw(repeat howmany payment)) { $s{$_} *= 1 }

        # calculate enddate
        my $advance = $s{repeat} * ($s{howmany} - 1);
        my %interval;
        $interval{'Pg'} = 
            "(date '$s{startdate}' + interval '$advance $s{unit}')";

        $query = qq|SELECT $interval{$myconfig->{dbdriver}}|;

        my ($enddate) = $dbh->selectrow_array($query);

        # calculate nextdate
        $query = qq|
            SELECT current_date - date ? AS a,
                date ? - current_date AS b|;

        $sth = $dbh->prepare($query);
        $sth->execute($s{startdate}, $enddate);
        my ($a, $b) = $sth->fetchrow_array;

        if ($a + $b) {
            $advance = int(($a / ($a + $b)) * ($s{howmany} - 1) + 1) * $s{repeat};
        } else {
            $advance = 0;
        }

        my $nextdate = $enddate;
        if ($advance > 0) {
            if ($advance < ($s{repeat} * $s{howmany})) {
                %interval = ( 'Pg'  => "(date '$s{startdate}' + interval '$advance $s{unit}')",
                              'DB2' => qq|(date ('$s{startdate}') + "$advance $s{unit}")|,);

                $interval{Oracle} = $interval{PgPP} = $interval{Pg};


                $query = qq|SELECT $interval{$myconfig->{dbdriver}}|;

                ($nextdate) = $dbh->selectrow_array($query);
            }

        } else {
            $nextdate = $s{startdate};
        }

        if ($self->{recurringnextdate}) {

            $nextdate = $self->{recurringnextdate};

            $query = qq|SELECT '$enddate' - date '$nextdate'|;

            if ($dbh->selectrow_array($query) < 0) {
                undef $nextdate;
            }
        }

        $self->{recurringpayment} *= 1;

        $query = qq|
            INSERT INTO recurring 
                (id, reference, startdate, enddate, nextdate, 
                repeat, unit, howmany, payment)
            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)|;

        $sth = $dbh->prepare($query);
        $sth->execute($self->{id}, $s{reference}, $s{startdate},
            $enddate, $nextdate, $s{repeat}, $s{unit}, $s{howmany},
            $s{payment});


        my @p;
        my $p;
        my $i;
        my $sth;

        if ($s{email}) {
            # formname:format
            @p = split /:/, $s{email};

            $query = qq|INSERT INTO recurringemail (id, formname, format, message)
                        VALUES (?, ?, ?, ?)|;

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

            for ($i = 0; $i <= $#p; $i += 2) {
                $sth->execute($self->{id}, $p[$i], $p[$i+1], 
                    $s{message});
            }

            $sth->finish;
        }

        if ($s{print}) {
            # formname:format:printer
            @p = split /:/, $s{print};

            $query = qq|INSERT INTO recurringprint (id, formname, format, printer)
                        VALUES (?, ?, ?, ?)|;

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

            for ($i = 0; $i <= $#p; $i += 3) {
                $p = ($p[$i+2]) ? $p[$i+2] : "";
                $sth->execute($self->{id}, $p[$i], $p[$i+1], $p);
            }

            $sth->finish;
        }
    }

    $dbh->commit;
}


sub save_intnotes {

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

    # no id return
    return unless $self->{id};

    my $dbh = $self->dbconnect($myconfig);

    my $query = qq|UPDATE $vc SET intnotes = ? WHERE id = ?|;

    $sth=$dbh->prepare($query);
    $sth->execute($self->{intnotes}, $self->{id}) || $self->dberror($query);
    $dbh->commit;
}


sub update_defaults {

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

    if (!$self->{dbh} && $self){
        $self->db_init($myconfig);
    } 
        
    my $dbh = $self->{dbh};

    if (!$self){
        $dbh = $_[3];
    }

    my $query = qq|
        SELECT value FROM defaults 
         WHERE setting_key = ? FOR UPDATE|;
    $sth = $dbh->prepare($query);
    $sth->execute($fld);
    ($_) = $sth->fetchrow_array();

    $_ = "0" unless $_;

    # check for and replace
    # <?lsmb DATE ?>, <?lsmb YYMMDD ?>, <?lsmb YEAR ?>, <?lsmb MONTH ?>, <?lsmb DAY ?> or variations of
    # <?lsmb NAME 1 1 3 ?>, <?lsmb BUSINESS ?>, <?lsmb BUSINESS 10 ?>, <?lsmb CURR... ?>
    # <?lsmb DESCRIPTION 1 1 3 ?>, <?lsmb ITEM 1 1 3 ?>, <?lsmb PARTSGROUP 1 1 3 ?> only for parts
    # <?lsmb PHONE ?> for customer and vendors

    my $num = $_;
    ($num) = $num =~ /(\d+)/;

    if (defined $num) {
        my $incnum;
        # if we have leading zeros check how long it is

        if ($num =~ /^0/) {
            my $l = length $num;
            $incnum = $num + 1;
            $l -= length $incnum;

            # pad it out with zeros
            my $padzero = "0" x $l;
            $incnum = ("0" x $l) . $incnum;
        } else {
            $incnum = $num + 1;
        }

        s/$num/$incnum/;
    }

    my $dbvar = $_;
    my $var = $_;
    my $str;
    my $param;

    if (/<\?lsmb /) {

        while (/<\?lsmb /) {

            s/<\?lsmb .*? \?>//;
            last unless $&;
        $param = $&;
            $str = "";

            if ($param =~ /<\?lsmb date \?>/i) {
                $str = ($self->split_date($myconfig->{dateformat}, $self->{transdate}))[0];
                $var =~ s/$param/$str/;
            }

            if ($param =~ /<\?lsmb (name|business|description|item|partsgroup|phone|custom)/i) {

                my $fld = lc $&;
                $fld =~ s/<\?lsmb //;

                if ($fld =~ /name/) {
                    if ($self->{type}) {
                        $fld = $self->{vc};
                    }
                }

                my $p = $param;
                $p =~ s/(<|>|%)//g;
                my @p = split / /, $p;
                my @n = split / /, uc $self->{$fld};

                if ($#p > 0) {

                    for (my $i = 1; $i <= $#p; $i++) {
                        $str .= substr($n[$i-1], 0, $p[$i]);
                    }

                } else {
                    ($str) = split /--/, $self->{$fld};
                }

                $var =~ s/$param/$str/;
                $var =~ s/\W//g if $fld eq 'phone';
            }

            if ($param =~ /<\?lsmb (yy|mm|dd)/i) {

                my $p = $param;
                $p =~ s/(<|>|%)//g;
                my $spc = $p;
                $spc =~ s/\w//g;
                $spc = substr($spc, 0, 1);
                my %d = ( yy => 1, mm => 2, dd => 3 );
                my @p = ();

                my @a = $self->split_date($myconfig->{dateformat}, $self->{transdate});
                for (sort keys %d) { push @p, $a[$d{$_}] if ($p =~ /$_/) }
                $str = join $spc, @p;
                $var =~ s/$param/$str/;
            }

            if ($param =~ /<\?lsmb curr/i) {
                $var =~ s/$param/$self->{currency}/;
            }
        }
    }

    $query = qq|
        UPDATE defaults
           SET value = ?
         WHERE setting_key = ?|;

    $sth = $dbh->prepare($query); 
    $sth->execute($dbvar, $fld) || $self->dberror($query);

    $dbh->commit;

    $var;
}

sub db_prepare_vars {
    for (@_){
        if (!$self->{$_} and $self->{$_} ne "0"){
            undef $self->{$_};
        }
    }
}

sub split_date {

    my ($self, $dateformat, $date) = @_;

    my @d = localtime;
    my $mm;
    my $dd;
    my $yy;
    my $rv;

    if (! $date) {
        $dd = $d[3];
        $mm = ++$d[4];
        $yy = substr($d[5],-2);
        $mm = substr("0$mm", -2);
        $dd = substr("0$dd", -2);
    }

    if ($dateformat =~ /^yy/) {

        if ($date) {

            if ($date =~ /\D/) {
                ($yy, $mm, $dd) = split /\D/, $date;
                $mm *= 1;
                $dd *= 1;
                $mm = substr("0$mm", -2);
                $dd = substr("0$dd", -2);
                $yy = substr($yy, -2);
                $rv = "$yy$mm$dd";
            } else {
                $rv = $date;
            }
        } else {
            $rv = "$yy$mm$dd";
        }
    }

    if ($dateformat =~ /^mm/) {

        if ($date) { 

            if ($date =~ /\D/) {
                ($mm, $dd, $yy) = split /\D/, $date;
                $mm *= 1;
                $dd *= 1;
                $mm = substr("0$mm", -2);
                $dd = substr("0$dd", -2);
                $yy = substr($yy, -2);
                $rv = "$mm$dd$yy";
            } else {
                $rv = $date;
            }
        } else {
            $rv = "$mm$dd$yy";
        }
    }

    if ($dateformat =~ /^dd/) {

        if ($date) {

            if ($date =~ /\D/) {
                ($dd, $mm, $yy) = split /\D/, $date;
                $mm *= 1;
                $dd *= 1;
                $mm = substr("0$mm", -2);
                $dd = substr("0$dd", -2);
                $yy = substr($yy, -2);
                $rv = "$dd$mm$yy";
            } else {
                $rv = $date;
            }
        } else {
            $rv = "$dd$mm$yy";
        }
    }

    ($rv, $yy, $mm, $dd);
}


sub from_to {

    my ($self, $yy, $mm, $interval) = @_;

    use Time::Local;

    my @t;
    my $dd = 1;
    my $fromdate = "$yy${mm}01";
    my $bd = 1;

    if (defined $interval) {

        if ($interval == 12) {
            $yy++;
        } else {

            if (($mm += $interval) > 12) {
                $mm -= 12;
                $yy++;
            }

            if ($interval == 0) {
                @t = localtime(time);
                $dd = $t[3];
                $mm = $t[4] + 1;
                $yy = $t[5] + 1900;
                $bd = 0;
            }
        }

    } else {

        if (++$mm > 12) {
            $mm -= 12;
            $yy++;
        }
    }

    $mm--;
    @t = localtime(timelocal(0,0,0,$dd,$mm,$yy) - $bd);

    $t[4]++;
    $t[4] = substr("0$t[4]",-2);
    $t[3] = substr("0$t[3]",-2);
    $t[5] += 1900;

    ($fromdate, "$t[5]$t[4]$t[3]");
}


sub audittrail {

    my ($self, $dbh, $myconfig, $audittrail) = @_;

    # table, $reference, $formname, $action, $id, $transdate) = @_;

    my $query;
    my $rv;
    my $disconnect;

    if (! $dbh) {
        $dbh = $self->{dbh};
    }

    # if we have an id add audittrail, otherwise get a new timestamp

    my @queryargs;

    if ($audittrail->{id}) {

        $query = qq|
            SELECT value FROM defaults 
             WHERE setting_key = 'audittrail'|;

        if ($dbh->selectrow_array($query)) {

            my ($null, $employee_id) = $self->get_employee($dbh);

            if ($self->{audittrail} && !$myconfig) {

                chop $self->{audittrail};

                my @a = split /\|/, $self->{audittrail};
                my %newtrail = ();
                my $key;
                my $i;
                my @flds = qw(tablename reference formname action transdate);

                # put into hash and remove dups
                while (@a) {
                    $key = "$a[2]$a[3]";
                    $i = 0;
                    $newtrail{$key} = { map { $_ => $a[$i++] } @flds };
                    splice @a, 0, 5;
                }

                $query = qq|
                    INSERT INTO audittrail 
                        (trans_id, tablename, reference,
                        formname, action, transdate, 
                        employee_id)
                    VALUES (?, ?, ?, ?, ?, ?, ?)|;

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

                foreach $key (sort { $newtrail{$a}{transdate} cmp $newtrail{$b}{transdate} } keys %newtrail) {

                    $i = 2;
                    $sth->bind_param(1, $audittrail->{id});

                    for (@flds) { $sth->bind_param($i++, $newtrail{$key}{$_}) }
                    $sth->bind_param($i++, $employee_id);
                    $sth->execute || $self->dberror;
                    $sth->finish;
                }
            }

            if ($audittrail->{transdate}) {

                $query = qq|
                    INSERT INTO audittrail (
                        trans_id, tablename, reference,
                        formname, action, employee_id, 
                        transdate)
                    VALUES (?, ?, ?, ?, ?, ?, ?)|;
                @queryargs = (
                    $audittrail->{id}, 
                    $audittrail->{tablename},
                    $audittrail->{reference},
                    $audittrail->{formname},
                    $audittrail->{action},
                    $employee_id,
                    $audittrail->{transdate}
                );
            } else {
                $query = qq|
                    INSERT INTO audittrail 
                        (trans_id, tablename, reference,
                        formname, action, employee_id)
                    VALUES (?, ?, ?, ?, ?, ?)|;
                @queryargs = (
                    $audittrail->{id}, 
                    $audittrail->{tablename},
                    $audittrail->{reference},
                    $audittrail->{formname},
                    $audittrail->{action},
                    $employee_id,
                );
            }

            $sth = $dbh->prepare($query);
            $sth->execute(@queryargs)||$self->dberror($query);
        }

    } else {

        $query = qq|SELECT current_timestamp|;
        my ($timestamp) = $dbh->selectrow_array($query);

        $rv = "$audittrail->{tablename}|$audittrail->{reference}|$audittrail->{formname}|$audittrail->{action}|$timestamp|";
    }

    $dbh->commit;
    $rv;
}

1;