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 ZOOM;
  31
  32 my $input        = new CGI;
  33 my $dbh          = C4::Context->dbh;
  34 my $error        = $input->param('error');
  35 my $biblionumber = $input->param('biblionumber');
  36 $biblionumber = 0 unless $biblionumber;
  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 $random        = $input->param('random');
  44 my $op            = $input->param('op');
  45 my $noconnection;
  46 my $numberpending;
  47 my $attr = '';
  48 my $term;
  49 my $host;
  50 my $server;
  51 my $database;
  52 my $port;
  53 my $marcdata;
  54 my @encoding;
  55 my @results;
  56 my $count;
  57 my $toggle;
  58 my $record;
  59 my $oldbiblio;
  60 my $errmsg;
  61 my @serverloop = ();
  62 my @serverhost;
  63 my @breeding_loop = ();
  64
  65 my $DEBUG = 0;    # if set to 1, many debug message are send on syslog.
  66
  67 unless ($random)
  68 {    # this var is not useful anymore just kept to keep rel2_2 compatibility
  69     $random = rand(1000000000);
  70 }
  71
  72 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  73     {
  74         template_name   => "cataloguing/z3950_search.tmpl",
  75         query           => $input,
  76         type            => "intranet",
  77         authnotrequired => 1,
  78         flagsrequired   => { catalogue => 1 },
  79         debug           => 1,
  80     }
  81 );
  82
  83 $template->param( frameworkcode => $frameworkcode, );
  84
  85 if ( $op ne "do_search" ) {
  86     my $sth = $dbh->prepare("select id,host,checked from z3950servers  order by host");
  87     $sth->execute();
  88     my $serverloop = $sth->fetchall_arrayref( {} );
  89     $template->param(
  90         isbn         => $isbn,
  91         issn         => $issn,
  92         lccn         => $lccn,
  93         title        => $title,
  94         author       => $author,
  95         serverloop   => $serverloop,
  96         opsearch     => "search",
  97         biblionumber => $biblionumber,
  98     );
  99     output_html_with_http_headers $input, $cookie, $template->output;
 100 }
 101 else {
 102     my @id = $input->param('id');
 103     my @oConnection;
 104     my @oResult;
 105     my $s = 0;
 106
 107     if ( $isbn || $issn ) {
 108         $attr = '1=7';
 109         $term = $isbn if ($isbn);
 110         $term = $issn if ($issn);
 111     }
 112     elsif ($lccn) {
 113         $attr = '1=9';
 114         $term = $lccn;
 115     }
 116     elsif ($title) {
 117         $attr = '1=4 ';
 118         utf8::decode($title);
 119         $term = $title;
 120     }
 121     elsif ($author) {
 122         $attr = '1=1003';
 123         utf8::decode($author);
 124         $term = $author;
 125     }
 126
 127     my $query = "\@attr $attr \"$term\"";
 128     warn "query " . $query if $DEBUG;
 129     foreach my $servid (@id) {
 130         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 131         $sth->execute($servid);
 132         while ( $server = $sth->fetchrow_hashref ) {
 133             my $noconnection = 0;
 134             my $option1      = new ZOOM::Options();
 135             $option1->option( 'async' => 1 );
 136             $option1->option( 'elementSetName', 'F' );
 137             $option1->option( 'databaseName',   $server->{db} );
 138             $option1->option( 'user', $server->{userid} ) if $server->{userid};
 139             $option1->option( 'password', $server->{password} )
 140               if $server->{password};
 141             $option1->option( 'preferredRecordSyntax', $server->{syntax} );
 142             $oConnection[$s] = create ZOOM::Connection($option1)
 143               || $DEBUG
 144               && warn( "" . $oConnection[$s]->errmsg() );
 145             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 146             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 147               || $DEBUG
 148               && warn( "" . $oConnection[$s]->errmsg() );
 149             $serverhost[$s] = $server->{host};
 150             $encoding[$s]   = $server->{syntax};
 151             $s++;
 152         }    ## while fetch
 153     }    # foreach
 154     my $nremaining  = $s;
 155     my $firstresult = 1;
 156
 157     for ( my $z = 0 ; $z < $s ; $z++ ) {
 158         warn "doing the search" if $DEBUG;
 159         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 160           || $DEBUG
 161           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 162
 163         #$oResult[$z] = $oConnection[$z]->search_pqf($query);
 164     }
 165
 166   AGAIN:
 167     my $k;
 168     my $event;
 169     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 170         $event = $oConnection[ $k - 1 ]->last_event();
 171         warn( "connection ", $k - 1, ": event $event (",
 172             ZOOM::event_str($event), ")\n" )
 173           if $DEBUG;
 174         last if $event == ZOOM::Event::ZEND;
 175     }
 176
 177     if ( $k != 0 ) {
 178         $k--;
 179         warn $serverhost[$k] if $DEBUG;
 180         my ( $error, $errmsg, $addinfo, $diagset ) =
 181           $oConnection[$k]->error_x();
 182         if ($error) {
 183             warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n"
 184               if $DEBUG;
 185
 186         }
 187         else {
 188             my $numresults = $oResult[$k]->size();
 189             my $i;
 190             my $result = '';
 191             if ( $numresults > 0 ) {
 192                 for (
 193                     $i = 0 ;
 194                     $i < ( ( $numresults < 20 ) ? ($numresults) : (20) ) ;
 195                     $i++
 196                   )
 197                 {
 198                     my $rec = $oResult[$k]->record($i);
 199                     my $marcrecord;
 200                     $marcdata   = $rec->raw();
 201                     $marcrecord = FixEncoding($marcdata);
 202 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 203 ## In HEAD i change everything to UTF-8
 204 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 205 ##Add necessary encoding changes to here -TG
 206                     my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 207                     $oldbiblio->{isbn}   =~ s/ |-|\.//g,
 208                       $oldbiblio->{issn} =~ s/ |-|\.//g,
 209                       my (
 210                         $notmarcrecord, $alreadyindb, $alreadyinfarm,
 211                         $imported,      $breedingid
 212                       )
 213                       = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 214                     my %row_data;
 215                     if ( $i % 2 ) {
 216                         $toggle = 1;
 217                     }
 218                     else {
 219                         $toggle = 0;
 220                     }
 221                     $row_data{toggle}       = $toggle;
 222                     $row_data{server}       = $serverhost[$k];
 223                     $row_data{isbn}         = $oldbiblio->{isbn};
 224                     $row_data{lccn}         = $oldbiblio->{lccn};
 225                     $row_data{title}        = $oldbiblio->{title};
 226                     $row_data{author}       = $oldbiblio->{author};
 227                     $row_data{breedingid}   = $breedingid;
 228                     $row_data{biblionumber} = $biblionumber;
 229                     push( @breeding_loop, \%row_data );
 230                 }    # upto 5 results
 231             }    #$numresults
 232         }
 233     }    # if $k !=0
 234     $numberpending = $nremaining - 1;
 235     $template->param(
 236         breeding_loop => \@breeding_loop,
 237         server        => $serverhost[$k],
 238         numberpending => $numberpending,
 239     );
 240
 241     output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
 242
 243     #   print  $template->output  if $firstresult !=1;
 244     $firstresult++;
 245
 246   MAYBE_AGAIN:
 247     if ( --$nremaining > 0 ) {
 248         goto AGAIN;
 249     }
 250 }    ## if op=search