Koha/cataloguing/z3950_search.pl
2007-06-25 15:06:28 +00:00

213 lines
7.6 KiB
Perl
Executable file

#!/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 ZOOM;
my $input = new CGI;
my $dbh = C4::Context->dbh;
my $error = $input->param('error');
my $biblionumber=$input->param('biblionumber');
$biblionumber=0 unless $biblionumber;
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 $random = $input->param('random');
my $op=$input->param('op');
my $noconnection;
my $numberpending;
my $attr='';
my $term;
my $host;
my $server;
my $database;
my $port;
my $marcdata;
my @encoding;
my @results;
my $count;
my $toggle;
my $record;
my $oldbiblio;
my $dbh = C4::Context->dbh;
my $errmsg;
my @serverloop=();
my @serverhost;
my @breeding_loop = ();
my $DEBUG = 1; # if set to 1, many debug message are send on syslog.
unless ($random) { # this var is not useful anymore just kept to keep rel2_2 compatibility
$random =rand(1000000000);
}
my ($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(
intranetcolorstylesheet => C4::Context->preference("intranetcolorstylesheet"),
intranetstylesheet => C4::Context->preference("intranetstylesheet"),
IntranetNav => C4::Context->preference("IntranetNav"),
frameworkcode => $frameworkcode,
);
if ($op ne "do_search"){
my $sth=$dbh->prepare("select id,host,checked from z3950servers order by host");
$sth->execute();
my $serverloop=$sth->fetchall_arrayref({});
$template->param(isbn=>$isbn, issn=>$issn,title=>$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 $s=0;
if ($isbn || $issn) {
$attr='1=7';
$term=$isbn if ($isbn);
$term=$issn if ($issn);
} elsif ($title) {
$attr='1=4 ';
utf8::decode($title);
$term=$title;
} elsif ($author) {
$attr='1=1003';
utf8::decode($author);
$term=$author;
}
my $query="\@attr $attr \"$term\"";
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) {
my $noconnection=0;
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) || $DEBUG && warn ("something went wrong: ".$oConnection[$s]->errmsg());
warn ("server data",$server->{name}, $server->{port}) if $DEBUG;
$oConnection[$s]->connect($server->{host}, $server->{port}) || $DEBUG && warn ("something went wrong: ".$oConnection[$s]->errmsg());
$serverhost[$s]=$server->{host};
$encoding[$s]=$server->{syntax};
$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 ($error) {
warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n" if $DEBUG;
} 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);
my $marcrecord;
$marcdata = $rec->raw();
$marcrecord= FixEncoding($marcdata);
warn "MARC : ".$marcrecord->as_formatted;
####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($marcdata,1,$serverhost[$k],$encoding[$k],$random);
my %row_data;
if ($i % 2) {
$toggle="#ffffcc";
} else {
$toggle="white";
}
$row_data{toggle} = $toggle;
$row_data{server} = $serverhost[$k];
$row_data{isbn} = $oldbiblio->{isbn};
$row_data{title} =$oldbiblio->{title};
$row_data{author} = $oldbiblio->{author};
$row_data{breedingid} = $breedingid;
$row_data{biblionumber}=$biblionumber;
push (@breeding_loop, \%row_data);
}# upto 5 results
}#$numresults
}
}# if $k !=0
$numberpending=$nremaining-1;
$template->param(breeding_loop => \@breeding_loop, server=>$serverhost[$k],
numberpending => $numberpending,
);
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