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');
  37 $biblionumber = 0 unless $biblionumber;
  38 my $frameworkcode = $input->param('frameworkcode');
  39 my $title         = $input->param('title');
  40 my $author        = $input->param('author');
  41 my $isbn          = $input->param('isbn');
  42 my $issn          = $input->param('issn');
  43 my $lccn          = $input->param('lccn');
  44 my $random        = $input->param('random');
  45 my $op            = $input->param('op');
  46 my $noconnection;
  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 $toggle;
  59 my $record;
  60 my $oldbiblio;
  61 my $errmsg;
  62 my @serverloop = ();
  63 my @serverhost;
  64 my @breeding_loop = ();
  65
  66 my $DEBUG = 0;    # if set to 1, many debug message are send on syslog.
  67
  68 unless ($random)
  69 {    # this var is not useful anymore just kept to keep rel2_2 compatibility
  70     $random = rand(1000000000);
  71 }
  72
  73 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  74     {
  75         template_name   => "cataloguing/z3950_search.tmpl",
  76         query           => $input,
  77         type            => "intranet",
  78         authnotrequired => 1,
  79         flagsrequired   => { catalogue => 1 },
  80         debug           => 1,
  81     }
  82 );
  83
  84 $template->param( frameworkcode => $frameworkcode, );
  85
  86 if ( $op ne "do_search" ) {
  87     my $sth = $dbh->prepare("select id,host,name,checked from z3950servers  order by host");
  88     $sth->execute();
  89     my $serverloop = $sth->fetchall_arrayref( {} );
  90     $template->param(
  91         isbn         => $isbn,
  92         issn         => $issn,
  93         lccn         => $lccn,
  94         title        => $title,
  95         author       => $author,
  96         serverloop   => $serverloop,
  97         opsearch     => "search",
  98         biblionumber => $biblionumber,
  99     );
 100     output_html_with_http_headers $input, $cookie, $template->output;
 101 }
 102 else {
 103     my @id = $input->param('id');
 104     my @oConnection;
 105     my @oResult;
 106     my $s = 0;
 107
 108     if ( $isbn || $issn ) {
 109         $attr = '1=7';
 110         $term = $isbn if ($isbn);
 111         $term = $issn if ($issn);
 112     }
 113     elsif ($lccn) {
 114         $attr = '1=9';
 115         $term = $lccn;
 116     }
 117     elsif ($title) {
 118         $attr = '1=4 ';
 119         utf8::decode($title);
 120         $term = $title;
 121     }
 122     elsif ($author) {
 123         $attr = '1=1003';
 124         utf8::decode($author);
 125         $term = $author;
 126     }
 127
 128     my $query = "\@attr $attr \"$term\"";
 129     warn "query " . $query if $DEBUG;
 130     foreach my $servid (@id) {
 131         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 132         $sth->execute($servid);
 133         while ( $server = $sth->fetchrow_hashref ) {
 134             my $noconnection = 0;
 135             my $option1      = new ZOOM::Options();
 136             $option1->option( 'async' => 1 );
 137             $option1->option( 'elementSetName', 'F' );
 138             $option1->option( 'databaseName',   $server->{db} );
 139             $option1->option( 'user', $server->{userid} ) if $server->{userid};
 140             $option1->option( 'password', $server->{password} )
 141               if $server->{password};
 142             $option1->option( 'preferredRecordSyntax', $server->{syntax} );
 143             $oConnection[$s] = create ZOOM::Connection($option1)
 144               || $DEBUG
 145               && warn( "" . $oConnection[$s]->errmsg() );
 146             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 147             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 148               || $DEBUG
 149               && warn( "" . $oConnection[$s]->errmsg() );
 150             $serverhost[$s] = $server->{host};
 151             $encoding[$s]   = ($server->{encoding}?$server->{encoding}:"iso-5426");
 152             $s++;
 153         }    ## while fetch
 154     }    # foreach
 155     my $nremaining  = $s;
 156     my $firstresult = 1;
 157
 158     for ( my $z = 0 ; $z < $s ; $z++ ) {
 159         warn "doing the search" if $DEBUG;
 160         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 161           || $DEBUG
 162           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 163
 164         # $oResult[$z] = $oConnection[$z]->search_pqf($query);
 165     }
 166
 167   AGAIN:
 168     my $k;
 169     my $event;
 170     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 171         $event = $oConnection[ $k - 1 ]->last_event();
 172         warn( "connection ", $k - 1, ": event $event (",
 173             ZOOM::event_str($event), ")\n" )
 174           if $DEBUG;
 175         last if $event == ZOOM::Event::ZEND;
 176     }
 177
 178     if ( $k != 0 ) {
 179         $k--;
 180         warn $serverhost[$k] if $DEBUG;
 181         my ( $error, $errmsg, $addinfo, $diagset ) =
 182           $oConnection[$k]->error_x();
 183         if ($error) {
 184             warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n"
 185               if $DEBUG;
 186
 187         }
 188         else {
 189             my $numresults = $oResult[$k]->size();
 190             my $i;
 191             my $result = '';
 192             if ( $numresults > 0 ) {
 193                 for (
 194                     $i = 0 ;
 195                     $i < ( ( $numresults < 20 ) ? ($numresults) : (20) ) ;
 196                     $i++
 197                   )
 198                 {
 199                     my $rec = $oResult[$k]->record($i);
 200                     my $marcrecord;
 201                     $marcdata   = $rec->raw();
 202
 203                     my ($charset_result, $charset_errors);
 204                     ($marcrecord, $charset_result, $charset_errors) =
 205                         MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
 206 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 207 ## In HEAD i change everything to UTF-8
 208 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 209 ##Add necessary encoding changes to here -TG
 210                     my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 211                     $oldbiblio->{isbn}   =~ s/ |-|\.//g,
 212                       $oldbiblio->{issn} =~ s/ |-|\.//g,
 213                       my (
 214                         $notmarcrecord, $alreadyindb, $alreadyinfarm,
 215                         $imported,      $breedingid
 216                       )
 217                       = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 218                     my %row_data;
 219                     if ( $i % 2 ) {
 220                         $toggle = 1;
 221                     }
 222                     else {
 223                         $toggle = 0;
 224                     }
 225                     $row_data{toggle}       = $toggle;
 226                     $row_data{server}       = $serverhost[$k];
 227                     $row_data{isbn}         = $oldbiblio->{isbn};
 228                     $row_data{lccn}         = $oldbiblio->{lccn};
 229                     $row_data{title}        = $oldbiblio->{title};
 230                     $row_data{author}       = $oldbiblio->{author};
 231                     $row_data{breedingid}   = $breedingid;
 232                     $row_data{biblionumber} = $biblionumber;
 233                     push( @breeding_loop, \%row_data );
 234                 }    # upto 5 results
 235             }    #$numresults
 236         }
 237     }    # if $k !=0
 238     $numberpending = $nremaining - 1;
 239     $template->param(
 240         breeding_loop => \@breeding_loop,
 241         server        => $serverhost[$k],
 242         numberpending => $numberpending,
 243     );
 244
 245     output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
 246
 247     #   print  $template->output  if $firstresult !=1;
 248     $firstresult++;
 249
 250   MAYBE_AGAIN:
 251     if ( --$nremaining > 0 ) {
 252         goto AGAIN;
 253     }
 254 }    ## if op=search