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#!/usr/bin/perl
# Copyright 2000-2002 Katipo Communications
#
# This file is part of Koha.
#
# Koha 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 3 of the License, or
# (at your option) any later version.
#
# Koha 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 Koha; if not, see <http://www.gnu.org/licenses>.
use Modern::Perl;
use CGI qw ( -utf8 );
use POSIX qw( ceil );
use C4::Context;
use C4::Output qw( output_html_with_http_headers );
use C4::Auth qw( get_template_and_user );
use C4::Acquisition qw/GetOrdersByBiblionumber/;
use Koha::DateUtils qw( dt_from_string output_pref );
use Koha::Acquisition::Baskets;
my $input = CGI->new;
my $startdate = $input->param('from');
my $enddate = $input->param('to');
my $ratio = $input->param('ratio');
my $include_ordered = $input->param('include_ordered');
my $include_suspended = $input->param('include_suspended');
my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
{
template_name => "circ/reserveratios.tt",
query => $input,
type => "intranet",
flagsrequired => { circulate => "circulate_remaining_permissions" },
}
);
my $booksellerid = $input->param('booksellerid') // '';
my $basketno = $input->param('basketno') // '';
if ($booksellerid && $basketno) {
$template->param( booksellerid => $booksellerid, basketno => $basketno );
}
my $effective_create_items = q{};
if ( $basketno ){
my $basket = Koha::Acquisition::Baskets->find( $basketno );
if ($basket){
$effective_create_items = $basket->effective_create_items;
} else {
$effective_create_items = C4::Context->preference('AcqCreateItem');
}
}
$startdate = eval { dt_from_string( $startdate ) } if $startdate;
$enddate = eval { dt_from_string( $enddate ) } if $enddate;
my $todaysdate = dt_from_string;
# A default of the prior years's holds is a reasonable way to pull holds
$enddate = $todaysdate unless $enddate;
$startdate = $todaysdate->clone->subtract( years => 1 ) unless $startdate;
if (!defined($ratio)) {
$ratio = 3;
}
# Force to be a number
$ratio += 0;
if ($ratio <= 0) {
$ratio = 1; # prevent division by zero
}
my $dbh = C4::Context->dbh;
my $sqldatewhere = "";
my @query_params = ();
$sqldatewhere .= " AND reservedate >= ?";
push @query_params, output_pref({ dt => $startdate, dateformat => 'iso' }) ;
$sqldatewhere .= " AND reservedate <= ?";
push @query_params, output_pref({ dt => $enddate, dateformat => 'iso' });
my $include_aqorders_qty =
$effective_create_items eq 'receiving'
? '+ COALESCE(aqorders.quantity, 0) - COALESCE(aqorders.quantityreceived, 0)'
: q{};
my $include_aqorders_qty_join =
$effective_create_items eq 'receiving'
? 'LEFT JOIN aqorders ON reserves.biblionumber=aqorders.biblionumber'
: q{};
my $nfl_comparison = $include_ordered ? '<=' : '=';
my $sus_comparison = $include_suspended ? '<=' : '<';
my $strsth =
"SELECT reservedate,
reserves.borrowernumber as borrowernumber,
reserves.biblionumber,
reserves.branchcode as branch,
items.holdingbranch,
items.itemcallnumber,
items.itemnumber,
GROUP_CONCAT(DISTINCT items.itemcallnumber
ORDER BY items.itemnumber SEPARATOR '|') as listcall,
GROUP_CONCAT(DISTINCT homebranch
ORDER BY items.itemnumber SEPARATOR '|') as homebranch_list,
GROUP_CONCAT(DISTINCT holdingbranch
ORDER BY items.itemnumber SEPARATOR '|') as holdingbranch_list,
GROUP_CONCAT(DISTINCT items.location
ORDER BY items.itemnumber SEPARATOR '|') as l_location,
GROUP_CONCAT(DISTINCT items.itype
ORDER BY items.itemnumber SEPARATOR '|') as l_itype,
reserves.found,
biblio.title,
biblio.subtitle,
biblio.medium,
biblio.part_number,
biblio.part_name,
biblio.author,
count(DISTINCT reserves.borrowernumber) as reservecount,
count(DISTINCT items.itemnumber) $include_aqorders_qty as itemcount
FROM reserves
LEFT JOIN items ON items.biblionumber=reserves.biblionumber
LEFT JOIN biblio ON reserves.biblionumber=biblio.biblionumber
$include_aqorders_qty_join
WHERE
notforloan $nfl_comparison 0 AND damaged = 0 AND itemlost = 0 AND withdrawn = 0
AND suspend $sus_comparison 1
$sqldatewhere
";
if (C4::Context->preference('IndependentBranches')){
$strsth .= " AND items.holdingbranch=? ";
push @query_params, C4::Context->userenv->{'branch'};
}
$strsth .= " GROUP BY reserves.biblionumber ORDER BY reservecount DESC";
$template->param(sql => $strsth);
my $sth = $dbh->prepare($strsth);
$sth->execute(@query_params);
my @reservedata;
while ( my $data = $sth->fetchrow_hashref ) {
my $thisratio = $data->{reservecount} / $data->{itemcount};
my $copies_to_buy = ceil($data->{reservecount}/$ratio - $data->{itemcount});
$thisratio >= $ratio or next; # TODO: tighter targeting -- get ratio limit into SQL using HAVING clause
push(
@reservedata,
{
reservedate => $data->{reservedate},
priority => $data->{priority},
name => $data->{borrower},
title => $data->{title},
subtitle => $data->{subtitle},
medium => $data->{medium},
part_number => $data->{part_number},
part_name => $data->{part_name},
author => $data->{author},
itemnum => $data->{itemnumber},
biblionumber => $data->{biblionumber},
holdingbranch => $data->{holdingbranch},
homebranch_list => [split('\|', $data->{homebranch_list})],
holdingbranch_list => [split('\|', $data->{holdingbranch_list})],
branch => $data->{branch},
itemcallnumber => $data->{itemcallnumber},
location => [split('\|', $data->{l_location})],
itype => [split('\|', $data->{l_itype})],
reservecount => $data->{reservecount},
itemcount => $data->{itemcount},
copies_to_buy => sprintf( "%d", $copies_to_buy ),
thisratio => sprintf( "%.2f", $thisratio ),
thisratio_atleast1 => ( $thisratio >= 1 ) ? 1 : 0,
listcall => [split('\|', $data->{listcall})]
}
);
}
for my $rd ( @reservedata ) {
next unless $rd->{biblionumber};
$rd->{pendingorders} = CountPendingOrdersByBiblionumber( $rd->{biblionumber} );
}
$template->param(
todaysdate => $todaysdate,
from => $startdate,
to => $enddate,
ratio => $ratio,
include_ordered => $include_ordered,
include_suspended => $include_suspended,
reserveloop => \@reservedata,
);
output_html_with_http_headers $input, $cookie, $template->output;
sub CountPendingOrdersByBiblionumber {
my $biblionumber = shift;
my @orders = GetOrdersByBiblionumber( $biblionumber );
my $cnt = 0;
if (scalar(@orders)) {
for my $order ( @orders ) {
next if $order->{datecancellationprinted};
my $onum = $order->{quantity} // 0;
my $rnum = $order->{quantityreceived} // 0;
next if $rnum >= $onum;
$cnt += ($onum - $rnum);
}
}
return $cnt;
}