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#=====================================================================
# LX-Office ERP
# Copyright (C) 2004
# Based on SQL-Ledger Version 2.1.9
# Web http://www.lx-office.org
#
#=====================================================================
# SQL-Ledger Accounting
# Copyright (c) 2001
#
# Author: Dieter Simader
# Email: dsimader@sql-ledger.org
# Web: http://www.sql-ledger.org
#
#
# 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.
#======================================================================
#
# Sales report
#
#======================================================================

use POSIX qw(strftime);
use List::Util qw(sum first);

use SL::VK;
use SL::ReportGenerator;
use Data::Dumper;

require "bin/mozilla/arap.pl";
require "bin/mozilla/common.pl";
require "bin/mozilla/drafts.pl";
require "bin/mozilla/reportgenerator.pl";

use strict;


sub search_invoice {
$main::lxdebug->enter_sub();
$main::auth->assert('general_ledger | invoice_edit');

my $form = $main::form;
my %myconfig = %main::myconfig;
my $locale = $main::locale;
my $cgi = $main::cgi;

my ($customer, $department);

# setup customer selection
$form->all_vc(\%myconfig, "customer", "AR");

$form->{title} = $locale->text('Sales Report');
$form->{jsscript} = 1;

$form->get_lists("projects" => { "key" => "ALL_PROJECTS", "all" => 1 },
"departments" => "ALL_DEPARTMENTS",
"customers" => "ALL_VC");

$form->{vc_keys} = sub { "$_[0]->{name}--$_[0]->{id}" };

$form->header;
print $form->parse_html_template('vk/search_invoice', { %myconfig });

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

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

$main::auth->assert('general_ledger | invoice_edit');

my $form = $main::form;
my %myconfig = %main::myconfig;
my $locale = $main::locale;

my ($callback, $href, @columns);

$form->{customer} = $form->unescape($form->{customer});
($form->{customername}, $form->{customer_id}) = split(/--/, $form->{customer});

# decimalplaces überprüfen oder auf Default 2 setzen
$form->{decimalplaces} = 2 unless $form->{decimalplaces} > 0 && $form->{decimalplaces} < 6;

# report_generator_set_default_sort('transdate', 1);

VK->invoice_transactions(\%myconfig, \%$form);

# anhand von radio button die Sortierreihenfolge festlegen
if ($form->{sortby} eq 'artikelsort') {
$form->{'mainsort'} = 'parts_id';
$form->{'subsort'} = 'name';
} else {
$form->{'mainsort'} = 'name';
$form->{'subsort'} = 'parts_id';
};

$form->{title} = $locale->text('Sales Report');

@columns =
qw(description invnumber partnumber parts_id transdate qty unit sellprice sellprice_total discount lastcost lastcost_total marge_total marge_percent);

# hidden variables für pdf/csv export übergeben
# einmal mit l_ um zu bestimmen welche Spalten ausgegeben werden sollen
# einmal optionen für die Überschrift (z.B. transdatefrom, partnumber, ...)
my @hidden_variables = (qw(l_headers l_subtotal l_total transdatefrom transdateto decimalplaces customer customername customer_id department partnumber description project_id), "$form->{db}number", map { "l_$_" } @columns);
my @hidden_nondefault = grep({ $form->{$_} } @hidden_variables);
# Variablen werden dann als Hidden Variable mitgegeben, z.B.
# <input type="hidden" name="report_generator_hidden_transdateto" value="21.05.2010">

$href = build_std_url('action=invoice_transactions', grep { $form->{$_} } @hidden_variables);
# href = vk.pl?action=invoice_transactions&l_headers=Y&l_subtotal=Y&l_total=Y&transdatefrom=04.03.2010 ...

my %column_defs = (
'description' => { 'text' => $locale->text('Description'), },
'partnumber' => { 'text' => $locale->text('Part Number'), },
'invnumber' => { 'text' => $locale->text('Invoice Number'), },
'transdate' => { 'text' => $locale->text('Invoice Date'), },
'qty' => { 'text' => $locale->text('Quantity'), },
'unit' => { 'text' => $locale->text('Unit'), },
'sellprice' => { 'text' => $locale->text('Sales price'), },
'sellprice_total' => { 'text' => $locale->text('Sales net amount'), },
'lastcost_total' => { 'text' => $locale->text('Purchase net amount'), },
'discount' => { 'text' => $locale->text('Discount'), },
'lastcost' => { 'text' => $locale->text('Purchase price'), },
'marge_total' => { 'text' => $locale->text('Sales margin'), },
'marge_percent' => { 'text' => $locale->text('Sales margin %'), },
);
my %column_alignment = map { $_ => 'right' } qw(lastcost sellprice sellprice_total lastcost_total unit discount marge_total marge_percent qty);

$form->{"l_type"} = "Y";
map { $column_defs{$_}->{visible} = $form->{"l_${_}"} ? 1 : 0 } @columns;


my @options;
if ($form->{description}) {
push @options, $locale->text('description') . " : $form->{description}";
}
if ($form->{customer}) {
push @options, $locale->text('Customer') . " : $form->{customername}";
}
if ($form->{department}) {
my ($department) = split /--/, $form->{department};
push @options, $locale->text('Department') . " : $department";
}
if ($form->{invnumber}) {
push @options, $locale->text('Invoice Number') . " : $form->{invnumber}";
}
if ($form->{invdate}) {
push @options, $locale->text('Invoice Date') . " : $form->{invdate}";
}
if ($form->{partnumber}) {
push @options, $locale->text('Part Number') . " : $form->{partnumber}";
}
if ($form->{ordnumber}) {
push @options, $locale->text('Order Number') . " : $form->{ordnumber}";
}
if ($form->{notes}) {
push @options, $locale->text('Notes') . " : $form->{notes}";
}
if ($form->{transaction_description}) {
push @options, $locale->text('Transaction description') . " : $form->{transaction_description}";
}
if ($form->{transdatefrom}) {
push @options, $locale->text('From') . " " . $locale->date(\%myconfig, $form->{transdatefrom}, 1);
}
if ($form->{transdateto}) {
push @options, $locale->text('Bis') . " " . $locale->date(\%myconfig, $form->{transdateto}, 1);
}

my $report = SL::ReportGenerator->new(\%myconfig, $form);

$report->set_options('top_info_text' => join("\n", @options),
'output_format' => 'HTML',
'title' => $form->{title},
'attachment_basename' => $locale->text('sales_report') . strftime('_%Y%m%d', localtime time),
);
$report->set_options_from_form();

$report->set_columns(%column_defs);
$report->set_column_order(@columns);

$report->set_export_options('invoice_transactions', @hidden_variables, qw(mainsort sortdir));

$report->set_sort_indicator($form->{mainsort}, $form->{sortdir});

# add sort and escape callback, this one we use for the add sub
$form->{callback} = $href .= "&sort=$form->{mainsort}";

# escape callback for href
$callback = $form->escape($href);

my @subtotal_columns = qw(qty sellprice sellprice_total lastcost lastcost_total marge_total marge_percent discount);
# Gesamtsumme:
# Summe von sellprice_total, lastcost_total und marge_total
# Durchschnitt von marge_percent
my @total_columns = qw(sellprice_total lastcost_total marge_total marge_percent );

my %totals = map { $_ => 0 } @total_columns;
my %subtotals1 = map { $_ => 0 } @subtotal_columns;
my %subtotals2 = map { $_ => 0 } @subtotal_columns;

my $idx = 0;

foreach my $ar (@{ $form->{AR} }) {

$ar->{price_factor} = 1 unless $ar->{price_factor};
# calculate individual sellprice
# discount was already accounted for in db sellprice
$ar->{sellprice} = $ar->{sellprice} / $ar->{price_factor};
$ar->{lastcost} = $ar->{lastcost} / $ar->{price_factor};
$ar->{sellprice_total} = $ar->{qty} * $ar->{sellprice};
$ar->{lastcost_total} = $ar->{qty} * $ar->{lastcost};
# marge_percent wird neu berechnet, da Wert in invoice leer ist (Bug)
$ar->{marge_percent} = $ar->{sellprice_total} ? (($ar->{sellprice_total}-$ar->{lastcost_total}) / $ar->{sellprice_total}) : 0;
# marge_total neu berechnen
$ar->{marge_total} = $ar->{sellprice_total} ? $ar->{sellprice_total}-$ar->{lastcost_total} : 0;
$ar->{discount} *= 100; # für Ausgabe formatieren, 10% stored as 0.1 in db

# Anfangshauptüberschrift
if ( $form->{l_headers} eq "Y" && ( $idx == 0 or $ar->{ $form->{'mainsort'} } ne $form->{AR}->[$idx - 1]->{ $form->{'mainsort'} } )) {
my $name;
my $headerrow;
if ( $form->{mainsort} eq 'parts_id' ) {
$headerrow->{description}->{data} = "$ar->{description}";
} else {
$headerrow->{description}->{data} = "$ar->{name}";
};
$headerrow->{description}->{class} = "listmainsortheader";
my $headerrow_set = [ $headerrow ];
$report->add_data($headerrow_set);

# add empty row after main header
# my $emptyheaderrow->{description}->{data} = "";
# $emptyheaderrow->{description}->{class} = "listmainsortheader";
# my $emptyheaderrow_set = [ $emptyheaderrow ];
# $report->add_data($emptyheaderrow_set) if $form->{l_headers} eq "Y";
};

# subsort überschriften
if ( $idx == 0
or $ar->{ $form->{'subsort'} } ne $form->{AR}->[$idx - 1]->{ $form->{'subsort'} }
or $ar->{ $form->{'mainsort'} } ne $form->{AR}->[$idx - 1]->{ $form->{'mainsort'} }
) {
my $headerrow;
my $name;
if ( $form->{subsort} eq 'parts_id' ) {
$name = 'description';
$headerrow->{description}->{data} = "$ar->{$name}";
} else {
$name = 'name';
$headerrow->{description}->{data} = "$ar->{$name}";
};
$headerrow->{description}->{class} = "listsubsortheader";
my $headerrow_set = [ $headerrow ];
$report->add_data($headerrow_set) if $form->{l_headers} eq "Y";
};

map { $subtotals1{$_} += $ar->{$_};
$subtotals2{$_} += $ar->{$_};
} @subtotal_columns;
map { $totals{$_} += $ar->{$_} } @total_columns;

$subtotals2{sellprice} = $subtotals2{sellprice_total} / $subtotals2{qty} if $subtotals2{qty} != 0;
$subtotals1{sellprice} = $subtotals1{sellprice_total} / $subtotals1{qty} if $subtotals1{qty} != 0;
$subtotals2{lastcost} = $subtotals2{lastcost_total} / $subtotals2{qty} if $subtotals2{qty} != 0;
$subtotals1{lastcost} = $subtotals1{lastcost_total} / $subtotals1{qty} if $subtotals1{qty} != 0;

# Ertrag prozentual in den Summen: (summe VK - summe Ertrag) / summe VK
$subtotals1{marge_percent} = $subtotals1{sellprice_total} ? (($subtotals1{sellprice_total} - $subtotals1{lastcost_total}) / $subtotals1{sellprice_total}) : 0;
$subtotals2{marge_percent} = $subtotals2{sellprice_total} ? (($subtotals2{sellprice_total} - $subtotals2{lastcost_total}) / $subtotals2{sellprice_total}) : 0;

# Ertrag prozentual: (Summe VK betrag - Summe EK betrag) / Summe VK betrag
# wird laufend bei jeder Position neu berechnet
$totals{marge_percent} = $totals{sellprice_total} ? ( ($totals{sellprice_total} - $totals{lastcost_total}) / $totals{sellprice_total} ) : 0;

map { $ar->{$_} = $form->format_amount(\%myconfig, $ar->{$_}, 2) } qw(marge_total marge_percent);
map { $ar->{$_} = $form->format_amount(\%myconfig, $ar->{$_}, $form->{"decimalplaces"} )} qw(lastcost sellprice sellprice_total lastcost_total);

my $row = { };

foreach my $column (@columns) {
$row->{$column} = {
'data' => $ar->{$column},
'align' => $column_alignment{$column},
};
}
$row->{description}->{class} = 'listsortdescription';

$row->{invnumber}->{link} = build_std_url("script=is.pl", 'action=edit')
. "&id=" . E($ar->{id}) . "&callback=${callback}";

my $row_set = [ $row ];

if (($form->{l_subtotal} eq 'Y')
&& (($idx == (scalar @{ $form->{AR} } - 1)) # last element always has a subtotal
|| ($ar->{ $form->{'subsort'} } ne $form->{AR}->[$idx + 1]->{ $form->{'subsort'} })
|| ($ar->{ $form->{'mainsort'} } ne $form->{AR}->[$idx + 1]->{ $form->{'mainsort'} })
)) { # if value that is sorted by changes, print subtotal
my $name;
if ( $form->{subsort} eq 'parts_id' ) {
$name = 'description';
} else {
$name = 'name';
};
if ($form->{l_subtotal} eq 'Y' ) {
push @{ $row_set }, create_subtotal_row_invoice(\%subtotals2, \@columns, \%column_alignment, \@subtotal_columns, 'listsubsortsubtotal', $ar->{$name}) ;
push @{ $row_set }, insert_empty_row();
};
}

# if mainsort has changed, add mainsort subtotal and empty row
if (($form->{l_subtotal} eq 'Y')
&& (($idx == (scalar @{ $form->{AR} } - 1)) # last element always has a subtotal
|| ($ar->{ $form->{'mainsort'} } ne $form->{AR}->[$idx + 1]->{ $form->{'mainsort'} })
)) { # if value that is sorted by changes, print subtotal
my $name;
if ( $form->{mainsort} eq 'parts_id' ) {
$name = 'description';
} else {
$name = 'name';
};
if ($form->{l_subtotal} eq 'Y' ) {
push @{ $row_set }, create_subtotal_row_invoice(\%subtotals1, \@columns, \%column_alignment, \@subtotal_columns, 'listmainsortsubtotal', $ar->{$name});
push @{ $row_set }, insert_empty_row();
};
}
$report->add_data($row_set);

$idx++;
}
if ( $form->{l_total} eq "Y" ) {
$report->add_separator();
$report->add_data(create_subtotal_row_invoice(\%totals, \@columns, \%column_alignment, \@total_columns, 'listtotal'))
};

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


sub insert_empty_row {
my $dummyrow;
$dummyrow->{description}->{data} = "";
my $dummyrowset = [ $dummyrow ];
return $dummyrow;
};



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

my ($totals, $columns, $column_alignment, $subtotal_columns, $class, $name) = @_;

my $form = $main::form;
my %myconfig = %main::myconfig;

my $row = { map { $_ => { 'data' => '', 'class' => $class, 'align' => $column_alignment->{$_}, } } @{ $columns } };
$row->{description}->{data} = "Summe " . $name;

map { $row->{$_}->{data} = $form->format_amount(\%myconfig, $totals->{$_}, 2) } qw(marge_total marge_percent);
map { $row->{$_}->{data} = $form->format_amount(\%myconfig, $totals->{$_}, 0) } qw(qty);
map { $row->{$_}->{data} = $form->format_amount(\%myconfig, $totals->{$_}, $form->{decimalplaces}) } qw(lastcost sellprice sellprice_total lastcost_total);


map { $totals->{$_} = 0 } @{ $subtotal_columns };

$main::lxdebug->leave_sub();

return $row;
}

1;

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