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Koha/cataloguing/z3950_search.pl
Joe Atzberger 7a8e256263 Remove unused $toggle code 
Some trivial other cleanups also.

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>
2009-05-01 16:02:30 -05:00

258 lines
9.1 KiB
Perl
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#!/usr/bin/perl
# This is a completely new Z3950 clients search using async ZOOM -TG 02/11/06
# 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 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 CGI;
use C4::Auth;
use C4::Output;
use C4::Biblio;
use C4::Context;
use C4::Breeding;
use C4::Koha;
use C4::Charset;
use ZOOM;
my $input = new CGI;
my $dbh = C4::Context->dbh;
my $error = $input->param('error');
my $biblionumber = $input->param('biblionumber') || 0;
my $frameworkcode = $input->param('frameworkcode');
my $title = $input->param('title');
my $author = $input->param('author');
my $isbn = $input->param('isbn');
my $issn = $input->param('issn');
my $lccn = $input->param('lccn');
my $subject = $input->param('subject');
my $dewey = $input->param('dewey');
my $random = $input->param('random') || rand(1000000000); # this var is not useful anymore just kept for rel2_2 compatibility
my $op = $input->param('op');
my $numberpending;
my $attr = '';
my $term;
my $host;
my $server;
my $database;
my $port;
my $marcdata;
my @encoding;
my @results;
my $count;
my $record;
my $oldbiblio;
my $errmsg;
my @serverloop = ();
my @serverhost;
my @servername;
my @breeding_loop = ();
my $DEBUG = 0; # if set to 1, many debug message are send on syslog.
my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
template_name => "cataloguing/z3950_search.tmpl",
query => $input,
type => "intranet",
authnotrequired => 1,
flagsrequired => { catalogue => 1 },
debug => 1,
});
$template->param( frameworkcode => $frameworkcode, );
if ( $op ne "do_search" ) {
my $sth = $dbh->prepare("select id,host,name,checked from z3950servers order by host");
$sth->execute();
my $serverloop = $sth->fetchall_arrayref( {} );
$template->param(
isbn => $isbn,
issn => $issn,
lccn => $lccn,
title => $title,
author => $author,
serverloop => $serverloop,
opsearch => "search",
biblionumber => $biblionumber,
);
output_html_with_http_headers $input, $cookie, $template->output;
}
else {
my @id = $input->param('id');
my @oConnection;
my @oResult;
my @errconn;
my $s = 0;
my $query;
my $nterms;
if ($isbn || $issn) {
$term=$isbn if ($isbn);
$term=$issn if ($issn);
$query .= " \@or \@attr 1=8 \"$term\" \@attr 1=7 \"$term\" ";
$nterms++;
}
if ($title) {
utf8::decode($title);
$query .= " \@attr 1=4 \"$title\" ";
$nterms++;
}
if ($author) {
utf8::decode($author);
$query .= " \@attr 1=1003 \"$author\" ";
$nterms++;
}
if ($dewey) {
$query .= " \@attr 1=16 \"$dewey\" ";
$nterms++;
}
if ($subject) {
utf8::decode($subject);
$query .= " \@attr 1=21 \"$subject\" ";
$nterms++;
}
if ($lccn) {
$query .= " \@attr 1=9 $lccn ";
$nterms++;
}
for my $i (1..$nterms-1) {
$query = "\@and " . $query;
}
warn "query ".$query if $DEBUG;
foreach my $servid (@id) {
my $sth = $dbh->prepare("select * from z3950servers where id=?");
$sth->execute($servid);
while ( $server = $sth->fetchrow_hashref ) {
warn "serverinfo ".join(':',%$server) if $DEBUG;
my $option1 = new ZOOM::Options();
$option1->option('async' => 1);
$option1->option('elementSetName', 'F');
$option1->option('databaseName', $server->{db});
$option1->option('user', $server->{userid} ) if $server->{userid};
$option1->option('password', $server->{password}) if $server->{password};
$option1->option('preferredRecordSyntax', $server->{syntax});
$oConnection[$s] = create ZOOM::Connection($option1)
|| $DEBUG
&& warn( "" . $oConnection[$s]->errmsg() );
warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
$oConnection[$s]->connect( $server->{host}, $server->{port} )
|| $DEBUG
&& warn( "" . $oConnection[$s]->errmsg() );
$serverhost[$s] = $server->{host};
$servername[$s] = $server->{name};
$encoding[$s] = ($server->{encoding}?$server->{encoding}:"iso-5426");
$s++;
} ## while fetch
} # foreach
my $nremaining = $s;
my $firstresult = 1;
for ( my $z = 0 ; $z < $s ; $z++ ) {
warn "doing the search" if $DEBUG;
$oResult[$z] = $oConnection[$z]->search_pqf($query)
|| $DEBUG
&& warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
# $oResult[$z] = $oConnection[$z]->search_pqf($query);
}
AGAIN:
my $k;
my $event;
while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
$event = $oConnection[ $k - 1 ]->last_event();
warn( "connection ", $k - 1, ": event $event (",
ZOOM::event_str($event), ")\n" )
if $DEBUG;
last if $event == ZOOM::Event::ZEND;
}
if ( $k != 0 ) {
$k--;
warn $serverhost[$k] if $DEBUG;
my ( $error, $errmsg, $addinfo, $diagset ) =
$oConnection[$k]->error_x();
if ($error) {
if ($error =~ m/^(10000|10007)$/ ) {
push(@errconn, {'server' => $serverhost[$k]});
}
$DEBUG and warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n";
}
else {
my $numresults = $oResult[$k]->size();
my $i;
my $result = '';
if ( $numresults > 0 ) {
for ($i = 0; $i < (($numresults < 20) ? $numresults : 20); $i++) {
my $rec = $oResult[$k]->record($i);
if ($rec) {
my $marcrecord;
$marcdata = $rec->raw();
my ($charset_result, $charset_errors);
($marcrecord, $charset_result, $charset_errors) =
MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
## In HEAD i change everything to UTF-8
# In rel2_2 i am not sure what encoding is so no character conversion is done here
##Add necessary encoding changes to here -TG
my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
$oldbiblio->{isbn} =~ s/ |-|\.//g,
$oldbiblio->{issn} =~ s/ |-|\.//g,
my (
$notmarcrecord, $alreadyindb, $alreadyinfarm,
$imported, $breedingid
)
= ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
my %row_data;
$row_data{toggle} = ($i % 2) ? 1 : 0;
$row_data{server} = $servername[$k];
$row_data{isbn} = $oldbiblio->{isbn};
$row_data{lccn} = $oldbiblio->{lccn};
$row_data{title} = $oldbiblio->{title};
$row_data{author} = $oldbiblio->{author};
$row_data{breedingid} = $breedingid;
$row_data{biblionumber} = $biblionumber;
push( @breeding_loop, \%row_data );
} else {
push(@breeding_loop,{'toggle'=>($i % 2)?1:0,'server'=>$servername[$k],'title'=>join(': ',$oConnection[$k]->error_x()),'breedingid'=>-1,'biblionumber'=>-1});
} # $rec
}
} #$numresults
}
} # if $k !=0
$numberpending = $nremaining - 1;
$template->param(
breeding_loop => \@breeding_loop,
server => $servername[$k],
numberpending => $numberpending,
biblionumber => $biblionumber,
errconn => \@errconn
);
output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
# print $template->output if $firstresult !=1;
$firstresult++;
MAYBE_AGAIN:
if ( --$nremaining > 0 ) {
goto AGAIN;
}
} ## if op=search
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