Koha/misc/migration_tools/remove_unused_authorities.pl
Galen Charlton 3caec55fd1 removed redundant license statement
The standard license statement in the header is fine; please
don't confuse things by doing anything different.

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>
2009-08-01 08:17:52 -04:00

91 lines
2.6 KiB
Perl
Executable file

#!/usr/bin/perl
#script to administer Authorities without biblio
# Copyright 2009 BibLibre
# written 2009-05-04 by paul dot poulain at biblibre.com
#
# 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
use strict;
use warnings;
use C4::Context;
use C4::AuthoritiesMarc;
use Getopt::Long;
my ($test,@authtypes);
my $want_help = 0;
GetOptions(
'aut|authtypecode:s' => \@authtypes,
't' => \$test,
'h|help' => \$want_help
);
if ($want_help) {
print_usage();
exit 0;
}
my $dbh=C4::Context->dbh;
@authtypes or @authtypes = qw( NC );
my $thresholdmin=0;
my $thresholdmax=0;
my @results;
# prepare the request to retrieve all authorities of the requested types
my $rqselect = $dbh->prepare(
qq{SELECT * from auth_header where authtypecode IN (}
. join(",",map{$dbh->quote($_)}@authtypes)
. ")"
);
$|=1;
$rqselect->execute;
my $counter=0;
my $totdeleted=0;
my $totundeleted=0;
while (my $data=$rqselect->fetchrow_hashref){
my $query;
$query= "an=".$data->{'authid'};
# search for biblios mapped
my ($err,$res,$used) = C4::Search::SimpleSearch($query,0,10);
print ".";
print "$counter\n" unless $counter++ % 100;
# if found, delete, otherwise, just count
if ($used>=$thresholdmin and $used<=$thresholdmax){
DelAuthority($data->{'authid'}) unless $test;
$totdeleted++;
} else {
$totundeleted++;
}
}
print "$counter authorities parsed, $totdeleted deleted and $totundeleted unchanged because used\n";
sub print_usage {
print <<_USAGE_;
$0: Removes unused authorities.
This script will parse all authoritiestypes given as parameter, and remove authorities without any biblio attached.
warning : there is no individual confirmation !
parameters
--aut|authtypecode TYPE the list of authtypes to check
--t|test test mode, don't delete really, just count
--help or -h show this message.
_USAGE_
}