cataloguing/z3950_search.pl

   1 #!/usr/bin/perl
   2
   3 # This is a completely new Z3950 clients search using async ZOOM -TG 02/11/06
   4 # Copyright 2000-2002 Katipo Communications
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it under the
   9 # terms of the GNU General Public License as published by the Free Software
  10 # Foundation; either version 2 of the License, or (at your option) any later
  11 # version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  14 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  15 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along with
  18 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  19 # Suite 330, Boston, MA  02111-1307 USA
  20
  21 use strict;
  22 use CGI;
  23
  24 use C4::Auth;
  25 use C4::Output;
  26 use C4::Biblio;
  27 use C4::Context;
  28 use C4::Breeding;
  29 use C4::Koha;
  30 use C4::Charset;
  31 use ZOOM;
  32
  33 my $input        = new CGI;
  34 my $dbh          = C4::Context->dbh;
  35 my $error         = $input->param('error');
  36 my $biblionumber  = $input->param('biblionumber') || 0;
  37 my $frameworkcode = $input->param('frameworkcode');
  38 my $title         = $input->param('title');
  39 my $author        = $input->param('author');
  40 my $isbn          = $input->param('isbn');
  41 my $issn          = $input->param('issn');
  42 my $lccn          = $input->param('lccn');
  43 my $subject       = $input->param('subject');
  44 my $dewey         = $input->param('dewey');
  45 my $random        = $input->param('random') || rand(1000000000); # this var is not useful anymore just kept for rel2_2 compatibility
  46 my $op            = $input->param('op');
  47 my $numberpending;
  48 my $attr = '';
  49 my $term;
  50 my $host;
  51 my $server;
  52 my $database;
  53 my $port;
  54 my $marcdata;
  55 my @encoding;
  56 my @results;
  57 my $count;
  58 my $record;
  59 my $oldbiblio;
  60 my $errmsg;
  61 my @serverloop = ();
  62 my @serverhost;
  63 my @servername;
  64 my @breeding_loop = ();
  65
  66 my $DEBUG = 0;    # if set to 1, many debug message are send on syslog.
  67
  68 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  69         template_name   => "cataloguing/z3950_search.tmpl",
  70         query           => $input,
  71         type            => "intranet",
  72         authnotrequired => 1,
  73         flagsrequired   => { catalogue => 1 },
  74         debug           => 1,
  75 });
  76
  77 $template->param( frameworkcode => $frameworkcode, );
  78
  79 if ( $op ne "do_search" ) {
  80     my $sth = $dbh->prepare("select id,host,name,checked from z3950servers  order by host");
  81     $sth->execute();
  82     my $serverloop = $sth->fetchall_arrayref( {} );
  83     $template->param(
  84         isbn         => $isbn,
  85         issn         => $issn,
  86         lccn         => $lccn,
  87         title        => $title,
  88         author       => $author,
  89         serverloop   => $serverloop,
  90         opsearch     => "search",
  91         biblionumber => $biblionumber,
  92     );
  93     output_html_with_http_headers $input, $cookie, $template->output;
  94 }
  95 else {
  96     my @id = $input->param('id');
  97     my @oConnection;
  98     my @oResult;
  99     my @errconn;
 100     my $s = 0;
 101     my $query;
 102     my $nterms;
 103     if ($isbn || $issn) {
 104         $term=$isbn if ($isbn);
 105         $term=$issn if ($issn);
 106         $query .= " \@or \@attr 1=8 \"$term\" \@attr 1=7 \"$term\" ";
 107         $nterms++;
 108     }
 109     if ($title) {
 110         utf8::decode($title);
 111         $query .= " \@attr 1=4 \"$title\" ";
 112         $nterms++;
 113     }
 114     if ($author) {
 115         utf8::decode($author);
 116         $query .= " \@attr 1=1003 \"$author\" ";
 117         $nterms++;
 118     }
 119     if ($dewey) {
 120         $query .= " \@attr 1=16 \"$dewey\" ";
 121         $nterms++;
 122     }
 123     if ($subject) {
 124         utf8::decode($subject);
 125         $query .= " \@attr 1=21 \"$subject\" ";
 126         $nterms++;
 127     }
 128         if ($lccn) {
 129         $query .= " \@attr 1=9 $lccn ";
 130         $nterms++;
 131     }
 132 for my $i (1..$nterms-1) {
 133     $query = "\@and " . $query;
 134 }
 135 warn "query ".$query  if $DEBUG;
 136
 137     foreach my $servid (@id) {
 138         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 139         $sth->execute($servid);
 140         while ( $server = $sth->fetchrow_hashref ) {
 141             warn "serverinfo ".join(':',%$server) if $DEBUG;
 142             my $option1      = new ZOOM::Options();
 143             $option1->option('async' => 1);
 144             $option1->option('elementSetName', 'F');
 145             $option1->option('databaseName', $server->{db});
 146             $option1->option('user',         $server->{userid}  ) if $server->{userid};
 147             $option1->option('password',     $server->{password}) if $server->{password};
 148             $option1->option('preferredRecordSyntax', $server->{syntax});
 149             $oConnection[$s] = create ZOOM::Connection($option1)
 150               || $DEBUG
 151               && warn( "" . $oConnection[$s]->errmsg() );
 152             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 153             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 154               || $DEBUG
 155               && warn( "" . $oConnection[$s]->errmsg() );
 156             $serverhost[$s] = $server->{host};
 157             $servername[$s] = $server->{name};
 158             $encoding[$s]   = ($server->{encoding}?$server->{encoding}:"iso-5426");
 159             $s++;
 160         }    ## while fetch
 161     }    # foreach
 162     my $nremaining  = $s;
 163     my $firstresult = 1;
 164
 165     for ( my $z = 0 ; $z < $s ; $z++ ) {
 166         warn "doing the search" if $DEBUG;
 167         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 168           || $DEBUG
 169           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 170
 171         # $oResult[$z] = $oConnection[$z]->search_pqf($query);
 172     }
 173
 174   AGAIN:
 175     my $k;
 176     my $event;
 177     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 178         $event = $oConnection[ $k - 1 ]->last_event();
 179         warn( "connection ", $k - 1, ": event $event (",
 180             ZOOM::event_str($event), ")\n" )
 181           if $DEBUG;
 182         last if $event == ZOOM::Event::ZEND;
 183     }
 184
 185     if ( $k != 0 ) {
 186         $k--;
 187         warn $serverhost[$k] if $DEBUG;
 188         my ( $error, $errmsg, $addinfo, $diagset ) =
 189           $oConnection[$k]->error_x();
 190         if ($error) {
 191             if ($error =~ m/^(10000|10007)$/ ) {
 192                 push(@errconn, {'server' => $serverhost[$k]});
 193             }
 194             $DEBUG and warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n";
 195         }
 196         else {
 197             my $numresults = $oResult[$k]->size();
 198             my $i;
 199             my $result = '';
 200             if ( $numresults > 0 ) {
 201                 for ($i = 0; $i < (($numresults < 20) ? $numresults : 20); $i++) {
 202                     my $rec = $oResult[$k]->record($i);
 203                     if ($rec) {
 204                         my $marcrecord;
 205                         $marcdata   = $rec->raw();
 206
 207                         my ($charset_result, $charset_errors);
 208                         ($marcrecord, $charset_result, $charset_errors) =
 209                           MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
 210 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 211 ## In HEAD i change everything to UTF-8
 212 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 213 ##Add necessary encoding changes to here -TG
 214                         my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 215                         $oldbiblio->{isbn}   =~ s/ |-|\.//g,
 216                           $oldbiblio->{issn} =~ s/ |-|\.//g,
 217                           my (
 218                             $notmarcrecord, $alreadyindb, $alreadyinfarm,
 219                             $imported,      $breedingid
 220                           )
 221                           = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 222                         my %row_data;
 223                         $row_data{toggle}       = ($i % 2) ? 1 : 0;
 224                         $row_data{server}       = $servername[$k];
 225                         $row_data{isbn}         = $oldbiblio->{isbn};
 226                         $row_data{lccn}         = $oldbiblio->{lccn};
 227                         $row_data{title}        = $oldbiblio->{title};
 228                         $row_data{author}       = $oldbiblio->{author};
 229                         $row_data{breedingid}   = $breedingid;
 230                         $row_data{biblionumber} = $biblionumber;
 231                         push( @breeding_loop, \%row_data );
 232
 233                     } else {
 234                         push(@breeding_loop,{'toggle'=>($i % 2)?1:0,'server'=>$servername[$k],'title'=>join(': ',$oConnection[$k]->error_x()),'breedingid'=>-1,'biblionumber'=>-1});
 235                     } # $rec
 236                 }
 237             }    #$numresults
 238         }
 239     }    # if $k !=0
 240     $numberpending = $nremaining - 1;
 241     $template->param(
 242         breeding_loop => \@breeding_loop,
 243         server        => $servername[$k],
 244         numberpending => $numberpending,
 245         biblionumber  => $biblionumber,
 246         errconn       => \@errconn
 247     );
 248
 249     output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
 250
 251     #   print  $template->output  if $firstresult !=1;
 252     $firstresult++;
 253
 254   MAYBE_AGAIN:
 255     if ( --$nremaining > 0 ) {
 256         goto AGAIN;
 257     }
 258 }    ## if op=search