#!/usr/bin/perl

#script to place reserves/requests

#written 2/1/00 by chris@katipo.oc.nz

# 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 C4::Biblio;

use C4::Items;

use C4::Output;

use C4::Reserves;

use C4::Circulation;

use C4::Members;

use C4::Auth qw/checkauth/;

use Koha::Items;

use Koha::Patrons;

my $input = CGI->new();

checkauth($input, 0, { reserveforothers => 'place_holds' }, 'intranet');

my @bibitems       = $input->multi_param('biblioitem');

my @reqbib         = $input->multi_param('reqbib');

my $biblionumber   = $input->param('biblionumber');

my $borrowernumber = $input->param('borrowernumber');

my $notes          = $input->param('notes');

my $branch         = $input->param('pickup');

my $startdate      = $input->param('reserve_date') || '';

my @rank           = $input->multi_param('rank-request');

my $type           = $input->param('type');

my $title          = $input->param('title');

my $checkitem      = $input->param('checkitem');

my $expirationdate = $input->param('expiration_date');

my $itemtype       = $input->param('itemtype') || undef;

my $borrower = Koha::Patrons->find( $borrowernumber );

$borrower = $borrower->unblessed if $borrower;

my $multi_hold = $input->param('multi_hold');

my $biblionumbers = $multi_hold ? $input->param('biblionumbers') : ($biblionumber . '/');

my $bad_bibs = $input->param('bad_bibs');

my $holds_to_place_count = $input->param('holds_to_place_count') || 1;

my %bibinfos = ();

my @biblionumbers = split '/', $biblionumbers;

foreach my $bibnum (@biblionumbers) {

    my %bibinfo = ();

    $bibinfo{title} = $input->param("title_$bibnum");

    $bibinfo{rank} = $input->param("rank_$bibnum");

    $bibinfos{$bibnum} = \%bibinfo;

}

my $found;

if ( $type eq 'str8' && $borrower ) {

    foreach my $biblionumber ( keys %bibinfos ) {

        my $count = @bibitems;

        @bibitems = sort @bibitems;

        my $i2 = 1;

        my @realbi;

        $realbi[0] = $bibitems[0];

        for ( my $i = 1 ; $i < $count ; $i++ ) {

            my $i3 = $i2 - 1;

            if ( $realbi[$i3] ne $bibitems[$i] ) {

                $realbi[$i2] = $bibitems[$i];

                $i2++;

            }

        }

        my $can_override = C4::Context->preference('AllowHoldPolicyOverride');

        if ( defined $checkitem && $checkitem ne '' ) {

            my $item = Koha::Items->find($checkitem);

            if ( $item->biblionumber ne $biblionumber ) {

                $biblionumber = $item->biblionumber;

            }

            my $can_item_be_reserved = CanItemBeReserved($borrower->{'borrowernumber'}, $item->itemnumber, $branch)->{status};

            if ( $can_item_be_reserved eq 'OK' || ( $can_item_be_reserved ne 'itemAlreadyOnHold' && $can_override ) ) {

                AddReserve( $branch, $borrower->{'borrowernumber'},

                    $biblionumber, \@realbi, $rank[0], $startdate, $expirationdate, $notes, $title,

                    $checkitem, $found, $itemtype );

            }

        } elsif ($multi_hold) {

            my $bibinfo = $bibinfos{$biblionumber};

            if ( $can_override || CanBookBeReserved($borrower->{'borrowernumber'}, $biblionumber)->{status} eq 'OK' ) {

                AddReserve($branch,$borrower->{'borrowernumber'},$biblionumber,[$biblionumber],

                           $bibinfo->{rank},$startdate,$expirationdate,$notes,$bibinfo->{title},$checkitem,$found);

            }

        } else {

            # place a request on 1st available

            for ( my $i = 0 ; $i < $holds_to_place_count ; $i++ ) {

                if ( $can_override || CanBookBeReserved($borrower->{'borrowernumber'}, $biblionumber)->{status} eq 'OK' ) {

                    AddReserve( $branch, $borrower->{'borrowernumber'},

                        $biblionumber, \@realbi, $rank[0], $startdate, $expirationdate, $notes, $title,

                        $checkitem, $found, $itemtype );

                }

            }

        }

    }

    if ($multi_hold) {

        if ($bad_bibs) {

            $biblionumbers .= $bad_bibs;

        }

        print $input->redirect("request.pl?biblionumbers=$biblionumbers&multi_hold=1");

    }

    else {

        print $input->redirect("request.pl?biblionumber=$biblionumber");

    }

}

elsif ( $borrowernumber eq '' ) {

    print $input->header();

    print "Invalid borrower number please try again";

    # Not sure that Dump() does HTML escaping. Use firebug or something to trace

    # instead.

    #print $input->Dump;

}

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