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# Copyright 2011 BibLibre SARL
# 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
# 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 <>.
# This script search in items table if a value for a given field exists.
# It is used in check_additem (additem.js)
# Parameters are a list of 'field', which must be field names in items table
# and a list of 'value', which are the corresponding value to check
# Eg. @field = ('barcode', 'barcode', 'stocknumber')
# @value = ('1234', '1235', 'ABC')
# The script will check if there is already an item with barcode '1234',
# then an item with barcode '1235', and finally check if there is an item
# with stocknumber 'ABC'
# It returns a JSON string which contains what have been found
# Eg. { barcode: ['1234', '1235'], stocknumber: ['ABC'] }
use Modern::Perl;
use CGI qw ( -utf8 );
use JSON;
use C4::Output;
use C4::Items;
my $input = CGI->new;
my @field = $input->multi_param('field[]');
my @value = $input->multi_param('value[]');
my $r = {};
my $i = 0;
for ( my $i=0; $i<@field; $i++ ) {
my ($items) = C4::Items::SearchItems({ field => $field[$i], query => $value[$i]});
if ( @$items ) {
push @{ $r->{$field[$i]} }, $value[$i];
output_with_http_headers $input, undef, to_json($r), 'json';