#=====================================================================
# LX-Office ERP
# Copyright (C) 2004
# Based on SQL-Ledger Version 2.1.9
# Web http://www.lx-office.org
#
#=====================================================================
# SQL-Ledger Accounting
# Copyright (C) 1999-2003
#
#  Author: Dieter Simader
#   Email: dsimader@sql-ledger.org
#     Web: http://www.sql-ledger.org
#
#  Contributors:
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#======================================================================
#
# Order entry module
# Quotation
#======================================================================

package OE;


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

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

  # connect to database
  my $dbh = $form->dbconnect($myconfig);
 
  my $query;
  my $ordnumber = 'ordnumber';
  my $quotation = '0';
  my ($null, $department_id) = split /--/, $form->{department};

  my $department = " AND o.department_id = $department_id" if $department_id;
  
  my $rate = ($form->{vc} eq 'customer') ? 'buy' : 'sell';

  if ($form->{type} =~ /_quotation$/) {
    $quotation = '1';
    $ordnumber = 'quonumber';
  }
  
  my $number = $form->like(lc $form->{$ordnumber});
  my $name = $form->like(lc $form->{$form->{vc}});
 
  my $query = qq|SELECT o.id, o.ordnumber, o.transdate, o.reqdate,
                 o.amount, ct.name, o.netamount, o.$form->{vc}_id,
		 ex.$rate AS exchangerate,
		 o.closed, o.quonumber, o.shippingpoint, o.shipvia,
		 e.name AS employee
	         FROM oe o
	         JOIN $form->{vc} ct ON (o.$form->{vc}_id = ct.id)
	         LEFT JOIN employee e ON (o.employee_id = e.id)
	         LEFT JOIN exchangerate ex ON (ex.curr = o.curr
		                               AND ex.transdate = o.transdate)
	         WHERE o.quotation = '$quotation'
		 $department|;
		 
  # build query if type eq (ship|receive)_order
  if ($form->{type} =~ /(ship|receive)_order/) {
    my ($warehouse, $warehouse_id) = split /--/, $form->{warehouse};
    
    $query =  qq|SELECT DISTINCT ON (o.id) o.id, o.ordnumber, o.transdate,
                 o.reqdate, o.amount, ct.name, o.netamount, o.$form->{vc}_id,
		 ex.$rate AS exchangerate,
		 o.closed, o.quonumber, o.shippingpoint, o.shipvia,
		 e.name AS employee
	         FROM oe o
	         JOIN $form->{vc} ct ON (o.$form->{vc}_id = ct.id)
		 JOIN orderitems oi ON (oi.trans_id = o.id)
		 JOIN parts p ON (p.id = oi.parts_id)|;

      if ($warehouse_id && $form->{type} eq 'ship_order') {
	$query .= qq|
	         JOIN inventory i ON (oi.parts_id = i.parts_id)
		 |;
      }

    $query .= qq|
	         LEFT JOIN employee e ON (o.employee_id = e.id)
	         LEFT JOIN exchangerate ex ON (ex.curr = o.curr
		                               AND ex.transdate = o.transdate)
	         WHERE o.quotation = '0'
		 AND (p.inventory_accno_id > 0 OR p.assembly = '1')
		 AND oi.qty <> oi.ship
		 $department|;
		 
    if ($warehouse_id && $form->{type} eq 'ship_order') {
      $query .= qq|
                 AND i.warehouse_id = $warehouse_id
		 AND i.qty >= (oi.qty - oi.ship)
		 |;
    }

  }
 
  if ($form->{"$form->{vc}_id"}) {
    $query .= qq| AND o.$form->{vc}_id = $form->{"$form->{vc}_id"}|;
  } else {
    if ($form->{$form->{vc}}) {
      $query .= " AND lower(ct.name) LIKE '$name'";
    }
  }
  if (!$form->{open} && !$form->{closed}) {
    $query .= " AND o.id = 0";
  } elsif (!($form->{open} && $form->{closed})) {
    $query .= ($form->{open}) ? " AND o.closed = '0'" : " AND o.closed = '1'";
  }


  my $sortorder = join ', ', ("o.id", $form->sort_columns(transdate, $ordnumber, name));
  $sortorder = $form->{sort} unless $sortorder;
  
  $query .= " AND lower($ordnumber) LIKE '$number'" if $form->{$ordnumber};
  $query .= " AND o.transdate >= '$form->{transdatefrom}'" if $form->{transdatefrom};
  $query .= " AND o.transdate <= '$form->{transdateto}'" if $form->{transdateto};
  $query .= " ORDER by $sortorder";

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

  my %id = ();
  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
    $ref->{exchangerate} = 1 unless $ref->{exchangerate};
    push @{ $form->{OE} }, $ref if $ref->{id} != $id{$ref->{id}};
    $id{$ref->{id}} = $ref->{id};
  }

  $sth->finish;
  $dbh->disconnect;
  
  $main::lxdebug->leave_sub();
}


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

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

  my ($query, $sth, $null);
  my $exchangerate = 0;

  ($null, $form->{employee_id}) = split /--/, $form->{employee};
  unless ($form->{employee_id}) {
    $form->get_employee($dbh);
  }
  
  ($null, $form->{contact_id}) = split /--/, $form->{contact};
  $form->{contact_id} *= 1;

  my $ml = ($form->{type} eq 'sales_order') ? 1 : -1;
  
  if ($form->{id}) {
    
    &adj_onhand($dbh, $form, $ml) if $form->{type} =~ /_order$/;
    
    $query = qq|DELETE FROM orderitems
                WHERE trans_id = $form->{id}|;
    $dbh->do($query) || $form->dberror($query);

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

  } else {

    my $uid = rand().time;

    $uid .= $form->{login};

    $uid = substr($uid,2,75);

    $query = qq|INSERT INTO oe (ordnumber, employee_id)
		VALUES ('$uid', $form->{employee_id})|;
    $dbh->do($query) || $form->dberror($query);
   
    $query = qq|SELECT o.id FROM oe o
                WHERE o.ordnumber = '$uid'|;
    $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

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

  map { $form->{$_} =~ s/\'/\'\'/g } qw(ordnumber quonumber shippingpoint shipvia notes intnotes message);
  
  my $amount;
  my $linetotal;
  my $discount;
  my $project_id;
  my $reqdate;
  my $taxrate;
  my $taxamount;
  my $fxsellprice;
  my %taxbase;
  my @taxaccounts;
  my %taxaccounts;
  my $netamount = 0;

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

    map { $form->{"${_}_$i"} = $form->parse_amount($myconfig, $form->{"${_}_$i"}) } qw(qty ship);
    
    if ($form->{"qty_$i"}) {
      
      map { $form->{"${_}_$i"} =~ s/\'/\'\'/g } qw(partnumber description unit);
      
      # set values to 0 if nothing entered
      $form->{"discount_$i"} = $form->parse_amount($myconfig, $form->{"discount_$i"}) / 100;

      $form->{"sellprice_$i"} = $form->parse_amount($myconfig, $form->{"sellprice_$i"});
      $fxsellprice = $form->{"sellprice_$i"};

      my ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
      $dec = length $dec;
      my $decimalplaces = ($dec > 2) ? $dec : 2;
      
      $discount = $form->round_amount($form->{"sellprice_$i"} * $form->{"discount_$i"}, $decimalplaces);
      $form->{"sellprice_$i"} = $form->round_amount($form->{"sellprice_$i"} - $discount, $decimalplaces);
      
      $form->{"inventory_accno_$i"} *= 1;
      $form->{"expense_accno_$i"} *= 1;
      
      $linetotal = $form->round_amount($form->{"sellprice_$i"} * $form->{"qty_$i"}, 2);
      
      @taxaccounts = split / /, $form->{"taxaccounts_$i"};
      $taxrate = 0;
      $taxdiff = 0;
      
      map { $taxrate += $form->{"${_}_rate"} } @taxaccounts;

      if ($form->{taxincluded}) {
	$taxamount = $linetotal * $taxrate / (1 + $taxrate);
	$taxbase = $linetotal - $taxamount;
	# we are not keeping a natural price, do not round
	$form->{"sellprice_$i"} = $form->{"sellprice_$i"} * (1 / (1 + $taxrate));
      } else {
	$taxamount = $linetotal * $taxrate;
	$taxbase = $linetotal;
      }

      if ($form->round_amount($taxrate,7) == 0) {
	if ($form->{taxincluded}) {
	  foreach $item (@taxaccounts) {
	    $taxamount = $form->round_amount($linetotal * $form->{"${item}_rate"} / (1 + abs($form->{"${item}_rate"})), 2);

	    $taxaccounts{$item} += $taxamount;
	    $taxdiff += $taxamount; 

	    $taxbase{$item} += $taxbase;
	  }
	  $taxaccounts{$taxaccounts[0]} += $taxdiff;
	} else {
	  foreach $item (@taxaccounts) {
	    $taxaccounts{$item} += $linetotal * $form->{"${item}_rate"};
	    $taxbase{$item} += $taxbase;
	  }
	}
      } else {
	foreach $item (@taxaccounts) {
	  $taxaccounts{$item} += $taxamount * $form->{"${item}_rate"} / $taxrate;
	  $taxbase{$item} += $taxbase;
	}
      }


      $netamount += $form->{"sellprice_$i"} * $form->{"qty_$i"};
      
      $project_id = 'NULL';
      if ($form->{"projectnumber_$i"}) {
	$project_id = $form->{"projectnumber_$i"};
      }
      $reqdate = ($form->{"reqdate_$i"}) ? qq|'$form->{"reqdate_$i"}'| : "NULL";
      
      # save detail record in orderitems table
      $query = qq|INSERT INTO orderitems (|;
      $query .= "id, " if $form->{"orderitems_id_$i"};
      $query .= qq|trans_id, parts_id, description, qty, sellprice, discount,
		   unit, reqdate, project_id, serialnumber, ship)
                   VALUES (|;
      $query .= qq|$form->{"orderitems_id_$i"},| if $form->{"orderitems_id_$i"};
      $query .= qq|$form->{id}, $form->{"id_$i"},
		   '$form->{"description_$i"}', $form->{"qty_$i"},
		   $fxsellprice, $form->{"discount_$i"},
		   '$form->{"unit_$i"}', $reqdate, (SELECT id from project where projectnumber = '$project_id'),
		   '$form->{"serialnumber_$i"}', $form->{"ship_$i"})|;
      $dbh->do($query) || $form->dberror($query);

      $form->{"sellprice_$i"} = $fxsellprice;
      $form->{"discount_$i"} *= 100;
    }
  }


  # set values which could be empty
  map { $form->{$_} *= 1 } qw(vendor_id customer_id taxincluded closed quotation);

  $reqdate = ($form->{reqdate}) ? qq|'$form->{reqdate}'| : "NULL";
  
  # add up the tax
  my $tax = 0;
  map { $tax += $form->round_amount($taxaccounts{$_}, 2) } keys %taxaccounts;
  
  $amount = $form->round_amount($netamount + $tax, 2);
  $netamount = $form->round_amount($netamount, 2);

  if ($form->{currency} eq $form->{defaultcurrency}) {
    $form->{exchangerate} = 1;
  } else {
    $exchangerate = $form->check_exchangerate($myconfig, $form->{currency}, $form->{transdate}, ($form->{vc} eq 'customer') ? 'buy' : 'sell');
  }
  
  $form->{exchangerate} = ($exchangerate) ? $exchangerate : $form->parse_amount($myconfig, $form->{exchangerate});
  
  my $quotation;
  # fill in subject if there is none
  if ($form->{type} =~ /_order$/) {
    $quotation = '0';
    $form->{subject} = qq|$form->{label} $form->{ordnumber}| unless $form->{subject};
  } else {
    $quotation = '1';
    $form->{subject} = qq|$form->{label} $form->{quonumber}| unless $form->{subject};
  }
  
  # if there is a message stuff it into the intnotes
  my $cc = "Cc: $form->{cc}\\r\n" if $form->{cc};
  my $bcc = "Bcc: $form->{bcc}\\r\n" if $form->{bcc};
  my $now = scalar localtime;
  $form->{intnotes} .= qq|\r
\r| if $form->{intnotes};

  $form->{intnotes} .= qq|[email]\r
Date: $now
To: $form->{email}\r
$cc${bcc}Subject: $form->{subject}\r
\r
Message: $form->{message}\r| if $form->{message};
  
  ($null, $form->{department_id}) = split(/--/, $form->{department});
  $form->{department_id} *= 1;

  # save OE record
  $query = qq|UPDATE oe set
	      ordnumber = '$form->{ordnumber}',
	      quonumber = '$form->{quonumber}',
              cusordnumber = '$form->{cusordnumber}',
              transdate = '$form->{transdate}',
              vendor_id = $form->{vendor_id},
	      customer_id = $form->{customer_id},
              amount = $amount,
              netamount = $netamount,
	      reqdate = $reqdate,
	      taxincluded = '$form->{taxincluded}',
	      shippingpoint = '$form->{shippingpoint}',
	      shipvia = '$form->{shipvia}',
	      notes = '$form->{notes}',
	      intnotes = '$form->{intnotes}',
	      curr = '$form->{currency}',
	      closed = '$form->{closed}',
	      quotation = '$quotation',
	      department_id = $form->{department_id},
	      employee_id = $form->{employee_id},
              cp_id = $form->{contact_id}
              WHERE id = $form->{id}|;
  $dbh->do($query) || $form->dberror($query);

  $form->{ordtotal} = $amount;

  if ($form->{webdav}) {
  	&webdav_folder($myconfig, $form);
  }
  
  # add shipto
  $form->{name} = $form->{$form->{vc}};
  $form->{name} =~ s/--$form->{"$form->{vc}_id"}//;
  $form->add_shipto($dbh, $form->{id});

  # save printed, emailed, queued
  $form->save_status($dbh); 
    
  if (($form->{currency} ne $form->{defaultcurrency}) && !$exchangerate) {
    if ($form->{vc} eq 'customer') {
      $form->update_exchangerate($dbh, $form->{currency}, $form->{transdate}, $form->{exchangerate}, 0);
    }
    if ($form->{vc} eq 'vendor') {
      $form->update_exchangerate($dbh, $form->{currency}, $form->{transdate}, 0, $form->{exchangerate});
    }
  }
  

  if ($form->{type} =~ /_order$/) {
    # adjust onhand
    &adj_onhand($dbh, $form, $ml * -1);
    &adj_inventory($dbh, $myconfig, $form);
  }
  
  my $rc = $dbh->commit;
  $dbh->disconnect;

  $main::lxdebug->leave_sub();

  return $rc;
}



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

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

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

  # delete spool files
  my $query = qq|SELECT s.spoolfile FROM status s
                 WHERE s.trans_id = $form->{id}|;
  $sth = $dbh->prepare($query);
  $sth->execute || $self->dberror($query);

  my $spoolfile;
  my @spoolfiles = ();

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


  $query = qq|SELECT o.parts_id, o.ship FROM orderitems o
              WHERE o.trans_id = $form->{id}|;
  $sth = $dbh->prepare($query);
  $sth->execute || $self->dberror($query);

  while (my ($id, $ship) = $sth->fetchrow_array) {
    $form->update_balance($dbh,
			  "parts",
			  "onhand",
			  qq|id = $id|,
			  $ship * -1);
  }
  $sth->finish;

  # delete inventory
  $query = qq|DELETE FROM inventory
              WHERE oe_id = $form->{id}|;
  $dbh->do($query) || $form->dberror($query);
  
  # delete status entries
  $query = qq|DELETE FROM status
              WHERE trans_id = $form->{id}|;
  $dbh->do($query) || $form->dberror($query);
  
  # delete OE record
  $query = qq|DELETE FROM oe
              WHERE id = $form->{id}|;
  $dbh->do($query) || $form->dberror($query);

  # delete individual entries
  $query = qq|DELETE FROM orderitems
              WHERE trans_id = $form->{id}|;
  $dbh->do($query) || $form->dberror($query);

  $query = qq|DELETE FROM shipto
              WHERE trans_id = $form->{id}|;
  $dbh->do($query) || $form->dberror($query);
  
  my $rc = $dbh->commit;
  $dbh->disconnect;

  if ($rc) {
    foreach $spoolfile (@spoolfiles) {
      unlink "$spool/$spoolfile" if $spoolfile;
    }
  }
  
  $main::lxdebug->leave_sub();

  return $rc;
}



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

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

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

  my $query;

  if ($form->{id}) {
    # get default accounts and last order number
    $query = qq|SELECT (SELECT c.accno FROM chart c
                        WHERE d.inventory_accno_id = c.id) AS inventory_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.income_accno_id = c.id) AS income_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.expense_accno_id = c.id) AS expense_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.fxgain_accno_id = c.id) AS fxgain_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.fxloss_accno_id = c.id) AS fxloss_accno,
                d.curr AS currencies
	 	FROM defaults d|;
  } else {
    $query = qq|SELECT (SELECT c.accno FROM chart c
                        WHERE d.inventory_accno_id = c.id) AS inventory_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.income_accno_id = c.id) AS income_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.expense_accno_id = c.id) AS expense_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.fxgain_accno_id = c.id) AS fxgain_accno,
                       (SELECT c.accno FROM chart c
		        WHERE d.fxloss_accno_id = c.id) AS fxloss_accno,
                d.curr AS currencies,
		current_date AS transdate, current_date AS reqdate
	 	FROM defaults d|;
  }
  my $sth = $dbh->prepare($query);
  $sth->execute || $form->dberror($query);

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

  ($form->{currency}) = split /:/, $form->{currencies};
  
  if ($form->{id}) {
    
    # retrieve order
    $query = qq|SELECT o.cp_id,o.ordnumber, o.transdate, o.reqdate,
                o.taxincluded, o.shippingpoint, o.shipvia, o.notes, o.intnotes,
		o.curr AS currency, e.name AS employee, o.employee_id,
		o.$form->{vc}_id, cv.name AS $form->{vc}, o.amount AS invtotal,
		o.closed, o.reqdate, o.quonumber, o.department_id, o.cusordnumber,
		d.description AS department
		FROM oe o
	        JOIN $form->{vc} cv ON (o.$form->{vc}_id = cv.id)
	        LEFT JOIN employee e ON (o.employee_id = e.id)
	        LEFT JOIN department d ON (o.department_id = d.id)
		WHERE o.id = $form->{id}|;
    $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

    $ref = $sth->fetchrow_hashref(NAME_lc);
    map { $form->{$_} = $ref->{$_} } keys %$ref;
    $sth->finish;
    
   
    $query = qq|SELECT s.* FROM shipto s
                WHERE s.trans_id = $form->{id}|;
    $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

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

    # get printed, emailed and queued
    $query = qq|SELECT s.printed, s.emailed, s.spoolfile, s.formname
                FROM status s
		WHERE s.trans_id = $form->{id}|;
    $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

    while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
      $form->{printed} .= "$ref->{formname} " if $ref->{printed};
      $form->{emailed} .= "$ref->{formname} " if $ref->{emailed};
      $form->{queued} .= "$ref->{formname} $ref->{spoolfile} " if $ref->{spoolfile};
    }
    $sth->finish;
    map { $form->{$_} =~ s/ +$//g } qw(printed emailed queued);


    my %oid = ( 'Pg'		=> 'oid',
                'Oracle'	=> 'rowid'
	      );

    # retrieve individual items
    $query = qq|SELECT o.id AS orderitems_id,
                c1.accno AS inventory_accno,
                c2.accno AS income_accno,
		c3.accno AS expense_accno,
                p.partnumber, p.assembly, o.description, o.qty,
		o.sellprice, o.parts_id AS id, o.unit, o.discount, p.bin, p.notes AS partnotes,
                o.reqdate, o.project_id, o.serialnumber, o.ship,
		pr.projectnumber,
		pg.partsgroup
		FROM orderitems o
		JOIN parts p ON (o.parts_id = p.id)
		LEFT JOIN chart c1 ON (p.inventory_accno_id = c1.id)
		LEFT JOIN chart c2 ON (p.income_accno_id = c2.id)
		LEFT JOIN chart c3 ON (p.expense_accno_id = c3.id)
		LEFT JOIN project pr ON (o.project_id = pr.id)
		LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
		WHERE o.trans_id = $form->{id}
                ORDER BY o.$oid{$myconfig->{dbdriver}}|;
    $sth = $dbh->prepare($query);
    $sth->execute || $form->dberror($query);

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

     
     #set expense_accno=inventory_accno if they are different => bilanz     
     $vendor_accno = ($ref->{expense_accno}!=$ref->{inventory_accno}) ? $ref->{inventory_accno} :$ref->{expense_accno};

     
     # get tax rates and description
     $accno_id = ($form->{vc} eq "customer") ? $ref->{income_accno} : $vendor_accno;
     $query = qq|SELECT c.accno, c.description, t.rate, t.taxnumber
	         FROM chart c, tax t
	         WHERE c.id=t.chart_id AND t.taxkey in (SELECT taxkey_id from chart where accno = '$accno_id')
	         ORDER BY accno|;
     $stw = $dbh->prepare($query);
     $stw->execute || $form->dberror($query);
     $ref->{taxaccounts} = "";
     while ($ptr = $stw->fetchrow_hashref(NAME_lc)) {
   #    if ($customertax{$ref->{accno}}) {
         $ref->{taxaccounts} .= "$ptr->{accno} ";
         if (!($form->{taxaccounts}=~/$ptr->{accno}/)) {
           $form->{"$ptr->{accno}_rate"} = $ptr->{rate};
           $form->{"$ptr->{accno}_description"} = $ptr->{description};
           $form->{"$ptr->{accno}_taxnumber"} = $ptr->{taxnumber};
           $form->{taxaccounts} .= "$ptr->{accno} ";
         }

     }

     chop $ref->{taxaccounts};
     push @{ $form->{form_details} }, $ref;
     $stw->finish;
    }
    $sth->finish;

  } else {

    # get last name used
    $form->lastname_used($dbh, $myconfig, $form->{vc}) unless $form->{"$form->{vc}_id"};

  }

  $form->{exchangerate} = $form->get_exchangerate($dbh, $form->{currency}, $form->{transdate}, ($form->{vc} eq 'customer') ? "buy" : "sell");
  
  if ($form->{webdav}) {
  	&webdav_folder($myconfig, $form);
  }
  
  my $rc = $dbh->commit;
  $dbh->disconnect;
  
  $main::lxdebug->leave_sub();

  return $rc;
}



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

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

  # connect to database
  my $dbh = $form->dbconnect($myconfig);
  my $query;
  my $sth;
    
  my $item;
  my $i;
  my @partsgroup = ();
  my $partsgroup;
  my %oid = ( 'Pg' => 'oid',
              'Oracle' => 'rowid' );
  
  # sort items by partsgroup
  for $i (1 .. $form->{rowcount}) {
    $partsgroup = "";
    if ($form->{"partsgroup_$i"} && $form->{groupitems}) {
      $form->format_string("partsgroup_$i");
      $partsgroup = $form->{"partsgroup_$i"};
    }
    push @partsgroup, [ $i, $partsgroup ];
  }

  # if there is a warehouse limit picking
  if ($form->{warehouse_id} && $form->{formname} =~ /(pick|packing)_list/) {
    # run query to check for inventory
    $query = qq|SELECT sum(i.qty) AS qty
                FROM inventory i
		WHERE i.parts_id = ?
		AND i.warehouse_id = ?|;
    $sth = $dbh->prepare($query) || $form->dberror($query);

    for $i (1 .. $form->{rowcount}) {
      $sth->execute($form->{"id_$i"}, $form->{warehouse_id}) || $form->dberror;

      ($qty) = $sth->fetchrow_array;
      $sth->finish;

      $form->{"qty_$i"} = 0 if $qty == 0;
      
      if ($form->parse_amount($myconfig, $form->{"ship_$i"}) > $qty) {
	$form->{"ship_$i"} = $form->format_amount($myconfig, $qty);
      }
    }
  }
    
  
  my $sameitem = "";
  foreach $item (sort { $a->[1] cmp $b->[1] } @partsgroup) {
    $i = $item->[0];

    if ($item->[1] ne $sameitem) {
      push(@{ $form->{description} }, qq|$item->[1]|);
      $sameitem = $item->[1];

      map { push(@{ $form->{$_} }, "") } qw(runningnumber number qty ship unit bin partnotes serialnumber reqdate sellprice listprice netprice discount linetotal);
    }

    $form->{"qty_$i"} = $form->parse_amount($myconfig, $form->{"qty_$i"});
    
    if ($form->{"qty_$i"} != 0) {

      # add number, description and qty to $form->{number}, ....
      push(@{ $form->{runningnumber} }, $i);
      push(@{ $form->{number} }, qq|$form->{"partnumber_$i"}|);
      push(@{ $form->{description} }, qq|$form->{"description_$i"}|);
      push(@{ $form->{qty} }, $form->format_amount($myconfig, $form->{"qty_$i"}));
      push(@{ $form->{ship} }, $form->format_amount($myconfig, $form->{"ship_$i"}));
      push(@{ $form->{unit} }, qq|$form->{"unit_$i"}|);
      push(@{ $form->{bin} }, qq|$form->{"bin_$i"}|);
      push(@{ $form->{"partnotes"} }, qq|$form->{"partnotes_$i"}|);
      push(@{ $form->{serialnumber} }, qq|$form->{"serialnumber_$i"}|);
      push(@{ $form->{reqdate} }, qq|$form->{"reqdate_$i"}|);
      
      push(@{ $form->{sellprice} }, $form->{"sellprice_$i"});
      
      push(@{ $form->{listprice} }, $form->{"listprice_$i"});

      my $sellprice = $form->parse_amount($myconfig, $form->{"sellprice_$i"});
      my ($dec) = ($sellprice =~ /\.(\d+)/);
      $dec = length $dec;
      my $decimalplaces = ($dec > 2) ? $dec : 2;

      
      my $discount = $form->round_amount($sellprice * $form->parse_amount($myconfig, $form->{"discount_$i"}) / 100, $decimalplaces);

      # keep a netprice as well, (sellprice - discount)
      $form->{"netprice_$i"} = $sellprice - $discount;

      my $linetotal = $form->round_amount($form->{"qty_$i"} * $form->{"netprice_$i"}, 2);

      push(@{ $form->{netprice} }, ($form->{"netprice_$i"} != 0) ? $form->format_amount($myconfig, $form->{"netprice_$i"}, $decimalplaces) : " ");
      
      $discount = ($discount != 0) ? $form->format_amount($myconfig, $discount * -1, $decimalplaces) : " ";
      $linetotal = ($linetotal != 0) ? $linetotal : " ";

      push(@{ $form->{discount} }, $discount);
      
      $form->{ordtotal} += $linetotal;

      push(@{ $form->{linetotal} }, $form->format_amount($myconfig, $linetotal, 2));
      
      my ($taxamount, $taxbase);
      my $taxrate = 0;
      
      map { $taxrate += $form->{"${_}_rate"} } split / /, $form->{"taxaccounts_$i"};

      if ($form->{taxincluded}) {
	# calculate tax
	$taxamount = $linetotal * $taxrate / (1 + $taxrate);
	$taxbase = $linetotal / (1 + $taxrate);
      } else {
        $taxamount = $linetotal * $taxrate;
	$taxbase = $linetotal;
      }


      if ($taxamount != 0) {
	foreach my $item (split / /, $form->{"taxaccounts_$i"}) {
	  $taxaccounts{$item} += $taxamount * $form->{"${item}_rate"} / $taxrate;
	  $taxbase{$item} += $taxbase;
	}
      }

      if ($form->{"assembly_$i"}) {
	$sameitem = "";
	
        # get parts and push them onto the stack
	my $sortorder = "";
	if ($form->{groupitems}) {
	  $sortorder = qq|ORDER BY pg.partsgroup, a.$oid{$myconfig->{dbdriver}}|;
	} else {
	  $sortorder = qq|ORDER BY a.$oid{$myconfig->{dbdriver}}|;
	}
	
	$query = qq|SELECT p.partnumber, p.description, p.unit, a.qty,
	            pg.partsgroup
	            FROM assembly a
		    JOIN parts p ON (a.parts_id = p.id)
		    LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
		    WHERE a.bom = '1'
		    AND a.id = '$form->{"id_$i"}'
		    $sortorder|;
        $sth = $dbh->prepare($query);
        $sth->execute || $form->dberror($query);

	while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
	  if ($form->{groupitems} && $ref->{partsgroup} ne $sameitem) {
	    map { push(@{ $form->{$_} }, "") } qw(runningnumber ship bin serialnumber number unit bin qty reqdate sellprice listprice netprice discount linetotal);
	    $sameitem = ($ref->{partsgroup}) ? $ref->{partsgroup} : "--";
	    push(@{ $form->{description} }, $sameitem);
	  }
	  
	  push(@{ $form->{description} }, $form->format_amount($myconfig, $ref->{qty} * $form->{"qty_$i"}) . qq|, $ref->{partnumber}, $ref->{description}|);

          map { push(@{ $form->{$_} }, "") } qw(number unit qty runningnumber ship bin serialnumber reqdate sellprice listprice netprice discount linetotal);
	  
	}
	$sth->finish;
      }

    }
  }


  my $tax = 0;
  foreach $item (sort keys %taxaccounts) {
    if ($form->round_amount($taxaccounts{$item}, 2) != 0) {
      push(@{ $form->{taxbase} }, $form->format_amount($myconfig, $taxbase{$item}, 2));
      
      $tax += $taxamount = $form->round_amount($taxaccounts{$item}, 2);
      
      push(@{ $form->{tax} }, $form->format_amount($myconfig, $taxamount, 2));
      push(@{ $form->{taxdescription} }, $form->{"${item}_description"});
      push(@{ $form->{taxrate} }, $form->format_amount($myconfig, $form->{"${item}_rate"} * 100));
      push(@{ $form->{taxnumber} }, $form->{"${item}_taxnumber"});
    }
  }


  $form->{subtotal} = $form->format_amount($myconfig, $form->{ordtotal}, 2);
  $form->{ordtotal} = ($form->{taxincluded}) ? $form->{ordtotal} : $form->{ordtotal} + $tax;
  
  # format amounts
  $form->{quototal} = $form->{ordtotal} = $form->format_amount($myconfig, $form->{ordtotal}, 2);

  # myconfig variables
  map { $form->{$_} = $myconfig->{$_} } (qw(company address tel fax signature businessnumber));
  $form->{username} = $myconfig->{name};

  $dbh->disconnect;

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


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

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

  my $query = qq|SELECT p.description
                 FROM project p
		 WHERE p.id = $id|;
  my $sth = $dbh->prepare($query);
  $sth->execute || $form->dberror($query);

  ($_) = $sth->fetchrow_array;
  
  $sth->finish;

  $main::lxdebug->leave_sub();

  return $_;
}


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

  my ($self, $myconfig, $form) = @_;
  
  my $dbh = $form->dbconnect($myconfig);
  # setup warehouses
  my $query = qq|SELECT id, description
                 FROM warehouse|;

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

  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {
    push @{ $form->{all_warehouses} }, $ref;
  }
  $sth->finish;

  $dbh->disconnect;

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


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

  my ($self, $myconfig, $form) = @_;
  
  my ($null, $warehouse_id) = split /--/, $form->{warehouse};
  $warehouse_id *= 1;

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

  my $ml = ($form->{type} eq 'ship_order') ? -1 : 1;
  
  my $dbh = $form->dbconnect_noauto($myconfig);
  my $sth;
  my $wth;
  my $serialnumber;
  my $ship;
  
  $query = qq|SELECT o.serialnumber, o.ship
              FROM orderitems o
              WHERE o.trans_id = ?
	      AND o.id = ?
	      FOR UPDATE|;
  $sth = $dbh->prepare($query) || $form->dberror($query);

  $query = qq|SELECT sum(i.qty)
              FROM inventory i
	      WHERE i.parts_id = ?
	      AND i.warehouse_id = ?|;
  $wth = $dbh->prepare($query) || $form->dberror($query);
  

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

    $ship = (abs($form->{"ship_$i"}) > abs($form->{"qty_$i"})) ? $form->{"qty_$i"} : $form->{"ship_$i"};
    
    if ($warehouse_id && $form->{type} eq 'ship_order') {

      $wth->execute($form->{"id_$i"}, $warehouse_id) || $form->dberror;

      ($qty) = $wth->fetchrow_array;
      $wth->finish;

      if ($ship > $qty) {
	$ship = $qty;
      }
    }

    
    if ($ship != 0) {

      $ship *= $ml;
      $query = qq|INSERT INTO inventory (parts_id, warehouse_id,
                  qty, oe_id, orderitems_id, shippingdate, employee_id)
                  VALUES ($form->{"id_$i"}, $warehouse_id,
		  $ship, $form->{"id"},
		  $form->{"orderitems_id_$i"}, '$form->{shippingdate}',
		  $employee_id)|;
      $dbh->do($query) || $form->dberror($query);
     
      # add serialnumber, ship to orderitems
      $sth->execute($form->{id}, $form->{"orderitems_id_$i"}) || $form->dberror;
      ($serialnumber, $ship) = $sth->fetchrow_array;
      $sth->finish;

      $serialnumber .= " " if $serialnumber;
      $serialnumber .= qq|$form->{"serialnumber_$i"}|;
      $ship += $form->{"ship_$i"};

      $query = qq|UPDATE orderitems SET
                  serialnumber = '$serialnumber',
		  ship = $ship
		  WHERE trans_id = $form->{id}
		  AND id = $form->{"orderitems_id_$i"}|;
      $dbh->do($query) || $form->dberror($query);
      
      
      # update order with ship via
      $query = qq|UPDATE oe SET
                  shippingpoint = '$form->{shippingpoint}',
                  shipvia = '$form->{shipvia}'
		  WHERE id = $form->{id}|;
      $dbh->do($query) || $form->dberror($query);
      
		  
      # update onhand for parts
      $form->update_balance($dbh,
                            "parts",
                            "onhand",
                            qq|id = $form->{"id_$i"}|,
                            $form->{"ship_$i"} * $ml);

    }
  }

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

  $main::lxdebug->leave_sub();

  return $rc;
}


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

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

  my $query = qq|SELECT oi.parts_id, oi.ship, p.inventory_accno_id, p.assembly
                 FROM orderitems oi
		 JOIN parts p ON (p.id = oi.parts_id)
                 WHERE oi.trans_id = $form->{id}|;
  my $sth = $dbh->prepare($query);
  $sth->execute || $form->dberror($query);

  $query = qq|SELECT sum(p.inventory_accno_id)
	      FROM parts p
	      JOIN assembly a ON (a.parts_id = p.id)
	      WHERE a.id = ?|;
  my $ath = $dbh->prepare($query) || $form->dberror($query);

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

    if ($ref->{inventory_accno_id} || $ref->{assembly}) {

      # do not update if assembly consists of all services
      if ($ref->{assembly}) {
	$ath->execute($ref->{parts_id}) || $form->dberror($query);

        ($ispa) = $sth->fetchrow_array;
	$ath->finish;
	
	next unless $ispa;
	
      }

      # adjust onhand in parts table
      $form->update_balance($dbh,
			    "parts",
			    "onhand",
			    qq|id = $ref->{parts_id}|,
			    $ref->{ship} * $ml);
    }
  }
  
  $sth->finish;

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


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

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

  my %oid = ('Pg'	=> 'oid',
             'Oracle'	=> 'rowid');
  
  # increase/reduce qty in inventory table
  my $query = qq|SELECT oi.id, oi.parts_id, oi.ship
                 FROM orderitems oi
                 WHERE oi.trans_id = $form->{id}|;
  my $sth = $dbh->prepare($query);
  $sth->execute || $form->dberror($query);

  $query = qq|SELECT $oid{$myconfig->{dbdriver}} AS oid, qty,
                     (SELECT SUM(qty) FROM inventory
                      WHERE oe_id = $form->{id}
		      AND orderitems_id = ?) AS total
	      FROM inventory
              WHERE oe_id = $form->{id}
	      AND orderitems_id = ?|;
  my $ith = $dbh->prepare($query) || $form->dberror($query);
  
  my $qty;
  my $ml = ($form->{type} =~ /(ship|sales)_order/) ? -1 : 1;
  
  while (my $ref = $sth->fetchrow_hashref(NAME_lc)) {

    $ith->execute($ref->{id}, $ref->{id}) || $form->dberror($query);

    while (my $inv = $ith->fetchrow_hashref(NAME_lc)) {

      if (($qty = (($inv->{total} * $ml) - $ref->{ship})) >= 0) {
	$qty = $inv->{qty} if ($qty > ($inv->{qty} * $ml));
	
	$form->update_balance($dbh,
                              "inventory",
                              "qty",
                              qq|$oid{$myconfig->{dbdriver}} = $inv->{oid}|,
                              $qty * -1 * $ml);
      }
    }
    $ith->finish;

  }
  $sth->finish;

  # delete inventory entries if qty = 0
  $query = qq|DELETE FROM inventory
              WHERE oe_id = $form->{id}
	      AND qty = 0|;
  $dbh->do($query) || $form->dberror($query);

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


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

  my ($self, $myconfig, $form) = @_;
  
  my ($null, $warehouse_id) = split /--/, $form->{warehouse};
  $warehouse_id *= 1;

  my $dbh = $form->dbconnect($myconfig);
  
  my $query = qq|SELECT p.id, p.partnumber, p.description, p.onhand,
                 pg.partsgroup
                 FROM parts p
		 LEFT JOIN partsgroup pg ON (p.partsgroup_id = pg.id)
	         WHERE p.onhand > 0|;

  if ($form->{partnumber}) {
    $var = $form->like(lc $form->{partnumber});
    $query .= "
                 AND lower(p.partnumber) LIKE '$var'";
  }
  if ($form->{description}) {
    $var = $form->like(lc $form->{description});
    $query .= "
                 AND lower(p.description) LIKE '$var'";
  }
  if ($form->{partsgroup}) {
    $var = $form->like(lc $form->{partsgroup});
    $query .= "
                 AND lower(pg.partsgroup) LIKE '$var'";
  }
  
  $sth = $dbh->prepare($query);
  $sth->execute || $form->dberror($query);
  

  $query = qq|SELECT sum(i.qty), w.description, w.id
              FROM inventory i
	      LEFT JOIN warehouse w ON (w.id = i.warehouse_id)
	      WHERE i.parts_id = ?
	      AND NOT i.warehouse_id = $warehouse_id
	      GROUP BY w.description, w.id|;
  $wth = $dbh->prepare($query) || $form->dberror($query);

  while ($ref = $sth->fetchrow_hashref(NAME_lc)) {
    
    $wth->execute($ref->{id}) || $form->dberror;
    
    while (($qty, $warehouse, $warehouse_id) = $wth->fetchrow_array) {
      push @{ $form->{all_inventory} }, {'id' => $ref->{id},
                                         'partnumber' => $ref->{partnumber},
                                         'description' => $ref->{description},
					 'partsgroup' => $ref->{partsgroup},
					 'qty' => $qty,
					 'warehouse_id' => $warehouse_id,
                                         'warehouse' => $warehouse} if $qty > 0;
    }
    $wth->finish;
  }
  $sth->finish;

  $dbh->disconnect;

  # sort inventory
  @{ $form->{all_inventory} } = sort { $a->{$form->{sort}} cmp $b->{$form->{sort}} } @{ $form->{all_inventory} };

  $main::lxdebug->leave_sub();

  return @{ $form->{all_inventory} };
}


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

  my ($self, $myconfig, $form) = @_;
  
  my $dbh = $form->dbconnect_noauto($myconfig);
  
  my $query = qq|INSERT INTO inventory
                 (warehouse_id, parts_id, qty, shippingdate, employee_id)
		 VALUES (?, ?, ?, ?, ?)|;
  $sth = $dbh->prepare($query) || $form->dberror($query);

  $form->get_employee($dbh);

  my @a = localtime; $a[5] += 1900; $a[4]++;
  $shippingdate = "$a[5]-$a[4]-$a[3]";

  for my $i (1 .. $form->{rowcount}) {
    $qty = $form->parse_amount($myconfig, $form->{"transfer_$i"});

    $qty = $form->{"qty_$i"} if ($qty > $form->{"qty_$i"});
    
    if ($qty) {
      # to warehouse
      $sth->execute($form->{warehouse_id}, $form->{"id_$i"}, $qty, $shippingdate, $form->{employee_id}) || $form->dberror;

      $sth->finish;
      
      # from warehouse
      $sth->execute($form->{"warehouse_id_$i"}, $form->{"id_$i"}, $qty * -1, $shippingdate, $form->{employee_id}) || $form->dberror;

      $sth->finish;
    }
  }

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

  $main::lxdebug->leave_sub();

  return $rc;
}

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

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

  SWITCH: {
  	$path = "webdav/angebote/".$form->{quonumber}, last SWITCH if ($form->{type} eq "sales_quotation");
	$path = "webdav/bestellungen/".$form->{ordnumber}, last SWITCH if ($form->{type} eq "sales_order"); 
	$path = "webdav/anfragen/".$form->{quonumber}, last SWITCH if ($form->{type} eq "request_quotation"); 
	$path = "webdav/lieferantenbestellungen/".$form->{ordnumber}, last SWITCH if ($form->{type} eq "purchase_order");
  }


  if (! -d $path) {
  	mkdir ($path, 0770) or die "can't make directory $!\n";
  } else {
  	if ($form->{id}) {
		@files = <$path/*>;
		foreach $file (@files) {
			$file =~ /\/([^\/]*)$/;
			$fname = $1;
			$ENV{'SCRIPT_NAME'} =~ /\/([^\/]*)\//;
			$lxerp = $1;
			$link = "http://".$ENV{'SERVER_NAME'}."/".$lxerp."/".$file;
			$form->{WEBDAV}{$fname} = $link; 
		}
	}
  }
  
  
  $main::lxdebug->leave_sub();
} 
1;