C4/Bookseller.pm

   1 package C4::Bookseller;
   2
   3 # Copyright 2000-2002 Katipo Communications
   4 # Copyright 2010 PTFS Europe
   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 strict;
  22 use warnings;
  23
  24 use base qw( Exporter );
  25
  26 our @EXPORT_OK = qw(
  27   GetBooksellersWithLateOrders
  28 );
  29
  30 =head1 NAME
  31
  32 C4::Bookseller - Koha functions for dealing with booksellers.
  33
  34 =head1 SYNOPSIS
  35
  36 use C4::Bookseller;
  37
  38 =head1 DESCRIPTION
  39
  40 The functions in this module deal with booksellers. They allow to
  41 add a new bookseller, to modify it or to get some informations around
  42 a bookseller.
  43
  44 =head1 FUNCTIONS
  45
  46 =head2 GetBooksellersWithLateOrders
  47
  48 %results = GetBooksellersWithLateOrders( $delay, $estimateddeliverydatefrom, $estimateddeliverydateto );
  49
  50 Searches for suppliers with late orders.
  51
  52 =cut
  53
  54 sub GetBooksellersWithLateOrders {
  55     my ( $delay, $estimateddeliverydatefrom, $estimateddeliverydateto ) = @_;
  56     my $dbh = C4::Context->dbh;
  57
  58     # FIXME NOT quite sure that this operation is valid for DBMs different from Mysql, HOPING so
  59     # should be tested with other DBMs
  60
  61     my $query;
  62     my @query_params = ();
  63     my $dbdriver = C4::Context->config("db_scheme") || "mysql";
  64     $query = "
  65         SELECT DISTINCT aqbasket.booksellerid, aqbooksellers.name
  66         FROM aqorders LEFT JOIN aqbasket ON aqorders.basketno=aqbasket.basketno
  67         LEFT JOIN aqbooksellers ON aqbasket.booksellerid = aqbooksellers.id
  68         WHERE
  69             ( datereceived IS NULL
  70             OR aqorders.quantityreceived < aqorders.quantity
  71             )
  72             AND aqorders.quantity - COALESCE(aqorders.quantityreceived,0) <> 0
  73             AND aqbasket.closedate IS NOT NULL
  74     ";
  75     if ( defined $delay && $delay >= 0 ) {
  76         $query .= " AND (closedate <= DATE_SUB(CAST(now() AS date),INTERVAL ? + COALESCE(aqbooksellers.deliverytime,0) DAY)) ";
  77         push @query_params, $delay;
  78     } elsif ( $delay && $delay < 0 ){
  79         warn 'WARNING: GetBooksellerWithLateOrders is called with a negative value';
  80         return;
  81     }
  82     if ( defined $estimateddeliverydatefrom ) {
  83         $query .= '
  84             AND ADDDATE(aqbasket.closedate, INTERVAL COALESCE(aqbooksellers.deliverytime,0) DAY) >= ?';
  85             push @query_params, $estimateddeliverydatefrom;
  86             if ( defined $estimateddeliverydateto ) {
  87                 $query .= ' AND ADDDATE(aqbasket.closedate, INTERVAL COALESCE(aqbooksellers.deliverytime, 0) DAY) <= ?';
  88                 push @query_params, $estimateddeliverydateto;
  89             } else {
  90                     $query .= ' AND ADDDATE(aqbasket.closedate, INTERVAL COALESCE(aqbooksellers.deliverytime, 0) DAY) <= CAST(now() AS date)';
  91             }
  92     }
  93     if ( defined $estimateddeliverydateto ) {
  94         $query .= ' AND ADDDATE(aqbasket.closedate, INTERVAL COALESCE(aqbooksellers.deliverytime,0) DAY) <= ?';
  95         push @query_params, $estimateddeliverydateto;
  96     }
  97
  98     my $sth = $dbh->prepare($query);
  99     $sth->execute( @query_params );
 100     my %supplierlist;
 101     while ( my ( $id, $name ) = $sth->fetchrow ) {
 102         $supplierlist{$id} = $name;
 103     }
 104
 105     return %supplierlist;
 106 }
 107
 108 1;
 109
 110 __END__
 111
 112 =head1 AUTHOR
 113
 114 Koha Development Team <http://koha-community.org/>
 115
 116 =cut