circ/reserveratios.pl

   1 #!/usr/bin/perl
   2
   3
   4 # Copyright 2000-2002 Katipo Communications
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  20
  21 use Modern::Perl;
  22
  23 use CGI qw ( -utf8 );
  24 use Date::Calc qw/Today Add_Delta_YM/;
  25 use POSIX qw( ceil );
  26
  27 use C4::Context;
  28 use C4::Output;
  29 use C4::Auth;
  30 use C4::Debug;
  31 use C4::Acquisition qw/GetOrdersByBiblionumber/;
  32 use Koha::DateUtils;
  33 use Koha::Acquisition::Baskets;
  34
  35 my $input = new CGI;
  36 my $startdate       = $input->param('from');
  37 my $enddate         = $input->param('to');
  38 my $ratio           = $input->param('ratio');
  39 my $include_ordered = $input->param('include_ordered');
  40
  41 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  42     {
  43         template_name   => "circ/reserveratios.tt",
  44         query           => $input,
  45         type            => "intranet",
  46         authnotrequired => 0,
  47         flagsrequired   => { circulate => "circulate_remaining_permissions" },
  48         debug           => 1,
  49     }
  50 );
  51
  52 my $booksellerid = $input->param('booksellerid') // '';
  53 my $basketno = $input->param('basketno') // '';
  54 if ($booksellerid && $basketno) {
  55      $template->param( booksellerid => $booksellerid, basketno => $basketno );
  56 }
  57
  58 my $effective_create_items = q{};
  59 if ( $basketno ){
  60     my $basket = Koha::Acquisition::Baskets->find( $basketno );
  61     if ($basket){
  62         $effective_create_items = $basket->effective_create_items;
  63     } else {
  64         $effective_create_items = C4::Context->preference('AcqCreateItem');
  65     }
  66 }
  67
  68 $startdate = eval { dt_from_string( $startdate ) } if $startdate;
  69 $enddate = eval { dt_from_string( $enddate ) } if $enddate;
  70
  71 my $todaysdate = dt_from_string;
  72
  73 #    A default of the prior years's holds is a reasonable way to pull holds
  74 $enddate = $todaysdate unless $enddate;
  75 $startdate = $todaysdate->clone->subtract( years => 1 ) unless $startdate;
  76
  77 if (!defined($ratio)) {
  78     $ratio = 3;
  79 }
  80 # Force to be a number
  81 $ratio += 0;
  82 if ($ratio <= 0) {
  83     $ratio = 1; # prevent division by zero
  84 }
  85
  86 my $dbh    = C4::Context->dbh;
  87 my $sqldatewhere = "";
  88 $debug and warn output_pref({ dt => $startdate, dateformat => 'iso', dateonly => 1 }) . "\n" . output_pref({ dt => $enddate, dateformat => 'iso', dateonly => 1 });
  89 my @query_params = ();
  90
  91 $sqldatewhere .= " AND reservedate >= ?";
  92 push @query_params, output_pref({ dt => $startdate, dateformat => 'iso' }) ;
  93 $sqldatewhere .= " AND reservedate <= ?";
  94 push @query_params, output_pref({ dt => $enddate, dateformat => 'iso' });
  95
  96 my $include_aqorders_qty =
  97   $effective_create_items eq 'receiving'
  98   ? '+ COALESCE(aqorders.quantity, 0) - COALESCE(aqorders.quantityreceived, 0)'
  99   : q{};
 100
 101 my $include_aqorders_qty_join =
 102   $effective_create_items eq 'receiving'
 103   ? 'LEFT JOIN aqorders ON reserves.biblionumber=aqorders.biblionumber'
 104   : q{};
 105
 106 my $nfl_comparison = $include_ordered ? '<=' : '=';
 107 my $strsth =
 108 "SELECT reservedate,
 109         reserves.borrowernumber as borrowernumber,
 110         reserves.biblionumber,
 111         reserves.branchcode as branch,
 112         items.holdingbranch,
 113         items.itemcallnumber,
 114         items.itemnumber,
 115         GROUP_CONCAT(DISTINCT items.itemcallnumber
 116             ORDER BY items.itemnumber SEPARATOR '|') as listcall,
 117         GROUP_CONCAT(DISTINCT homebranch
 118             ORDER BY items.itemnumber SEPARATOR '|') as homebranch_list,
 119         GROUP_CONCAT(DISTINCT holdingbranch
 120             ORDER BY items.itemnumber SEPARATOR '|') as holdingbranch_list,
 121         GROUP_CONCAT(DISTINCT items.location
 122             ORDER BY items.itemnumber SEPARATOR '|') as l_location,
 123         GROUP_CONCAT(DISTINCT items.itype
 124             ORDER BY items.itemnumber SEPARATOR '|') as l_itype,
 125
 126         reserves.found,
 127         biblio.title,
 128         biblio.subtitle,
 129         biblio.medium,
 130         biblio.part_number,
 131         biblio.part_name,
 132         biblio.author,
 133         count(DISTINCT reserves.borrowernumber) as reservecount,
 134         count(DISTINCT items.itemnumber) $include_aqorders_qty as itemcount
 135  FROM  reserves
 136  LEFT JOIN items ON items.biblionumber=reserves.biblionumber
 137  LEFT JOIN biblio ON reserves.biblionumber=biblio.biblionumber
 138  $include_aqorders_qty_join
 139  WHERE
 140  notforloan $nfl_comparison 0 AND damaged = 0 AND itemlost = 0 AND withdrawn = 0
 141  $sqldatewhere
 142 ";
 143
 144 if (C4::Context->preference('IndependentBranches')){
 145     $strsth .= " AND items.holdingbranch=? ";
 146     push @query_params, C4::Context->userenv->{'branch'};
 147 }
 148
 149 $strsth .= " GROUP BY reserves.biblionumber ORDER BY reservecount DESC";
 150
 151 $template->param(sql => $strsth);
 152 my $sth = $dbh->prepare($strsth);
 153 $sth->execute(@query_params);
 154
 155 my @reservedata;
 156 while ( my $data = $sth->fetchrow_hashref ) {
 157     my $thisratio = $data->{reservecount} / $data->{itemcount};
 158     my $ratiocalc = ceil($data->{reservecount}/$ratio - $data->{itemcount});
 159     $ratiocalc >= 1 or next;  # TODO: tighter targeting -- get ratio limit into SQL using HAVING clause
 160     push(
 161         @reservedata,
 162         {
 163             reservedate        => $data->{reservedate},
 164             priority           => $data->{priority},
 165             name               => $data->{borrower},
 166             title              => $data->{title},
 167             subtitle           => $data->{subtitle},
 168             medium             => $data->{medium},
 169             part_number        => $data->{part_number},
 170             part_name          => $data->{part_name},
 171             author             => $data->{author},
 172             itemnum            => $data->{itemnumber},
 173             biblionumber       => $data->{biblionumber},
 174             holdingbranch      => $data->{holdingbranch},
 175             homebranch_list    => [split('\|', $data->{homebranch_list})],
 176             holdingbranch_list => [split('\|', $data->{holdingbranch_list})],
 177             branch             => $data->{branch},
 178             itemcallnumber     => $data->{itemcallnumber},
 179             location           => [split('\|', $data->{l_location})],
 180             itype              => [split('\|', $data->{l_itype})],
 181             reservecount       => $data->{reservecount},
 182             itemcount          => $data->{itemcount},
 183             ratiocalc          => sprintf( "%.0d", $ratiocalc ),
 184             thisratio => sprintf( "%.2f", $thisratio ),
 185             thisratio_atleast1 => ( $thisratio >= 1 ) ? 1 : 0,
 186             listcall           => [split('\|', $data->{listcall})]
 187         }
 188     );
 189 }
 190
 191 for my $rd ( @reservedata ) {
 192     next unless $rd->{biblionumber};
 193     $rd->{pendingorders} = CountPendingOrdersByBiblionumber( $rd->{biblionumber} );
 194 }
 195
 196 $template->param(
 197     todaysdate      => $todaysdate,
 198     from            => $startdate,
 199     to              => $enddate,
 200     ratio           => $ratio,
 201     include_ordered => $include_ordered,
 202     reserveloop     => \@reservedata,
 203 );
 204
 205 output_html_with_http_headers $input, $cookie, $template->output;
 206
 207 sub CountPendingOrdersByBiblionumber {
 208     my $biblionumber = shift;
 209     my @orders = GetOrdersByBiblionumber( $biblionumber );
 210     my $cnt = 0;
 211     if (scalar(@orders)) {
 212         for my $order ( @orders ) {
 213             next if $order->{datecancellationprinted};
 214             my $onum = $order->{quantity} // 0;
 215             my $rnum = $order->{quantityreceived} // 0;
 216             next if $rnum >= $onum;
 217             $cnt += ($onum - $rnum);
 218         }
 219     }
 220     return $cnt;
 221 }