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 $subject= $input->param('subject');
  45 my $dewey = $input->param('dewey');
  46 my $random        = $input->param('random');
  47 my $op            = $input->param('op');
  48 my $noconnection;
  49 my $numberpending;
  50 my $attr = '';
  51 my $term;
  52 my $host;
  53 my $server;
  54 my $database;
  55 my $port;
  56 my $marcdata;
  57 my @encoding;
  58 my @results;
  59 my $count;
  60 my $toggle;
  61 my $record;
  62 my $oldbiblio;
  63 my $errmsg;
  64 my @serverloop = ();
  65 my @serverhost;
  66 my @servername;
  67 my @breeding_loop = ();
  68
  69 my $DEBUG = 0;    # if set to 1, many debug message are send on syslog.
  70
  71 unless ($random)
  72 {    # this var is not useful anymore just kept to keep rel2_2 compatibility
  73     $random = rand(1000000000);
  74 }
  75
  76 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  77     {
  78         template_name   => "cataloguing/z3950_search.tmpl",
  79         query           => $input,
  80         type            => "intranet",
  81         authnotrequired => 1,
  82         flagsrequired   => { catalogue => 1 },
  83         debug           => 1,
  84     }
  85 );
  86
  87 $template->param( frameworkcode => $frameworkcode, );
  88
  89 if ( $op ne "do_search" ) {
  90     my $sth = $dbh->prepare("select id,host,name,checked from z3950servers  order by host");
  91     $sth->execute();
  92     my $serverloop = $sth->fetchall_arrayref( {} );
  93     $template->param(
  94         isbn         => $isbn,
  95         issn         => $issn,
  96         lccn         => $lccn,
  97         title        => $title,
  98         author       => $author,
  99         serverloop   => $serverloop,
 100         opsearch     => "search",
 101         biblionumber => $biblionumber,
 102     );
 103     output_html_with_http_headers $input, $cookie, $template->output;
 104 }
 105 else {
 106     my @id = $input->param('id');
 107     my @oConnection;
 108     my @oResult;
 109     my $s = 0;
 110     my $query;
 111     my $nterms;
 112     if ($isbn || $issn) {
 113         $term=$isbn if ($isbn);
 114         $term=$issn if ($issn);
 115         $query .= " \@or \@attr 1=8 \"$term\" \@attr 1=7 \"$term\" ";
 116         $nterms++;
 117     }
 118     if ($title) {
 119         utf8::decode($title);
 120         $query .= " \@attr 1=4 \"$title\" ";
 121         $nterms++;
 122     }
 123     if ($author) {
 124         utf8::decode($author);
 125         $query .= " \@attr 1=1003 \"$author\" ";
 126         $nterms++;
 127     }
 128     if ($dewey) {
 129         $query .= " \@attr 1=16 \"$dewey\" ";
 130         $nterms++;
 131     }
 132     if ($subject) {
 133         utf8::decode($subject);
 134         $query .= " \@attr 1=21 \"$subject\" ";
 135         $nterms++;
 136     }
 137         if ($lccn) {
 138         $query .= " \@attr 1=9 $lccn ";
 139         $nterms++;
 140     }
 141 for my $i (1..$nterms-1) {
 142     $query = "\@and " . $query;
 143 }
 144 warn "query ".$query  if $DEBUG;
 145
 146     foreach my $servid (@id) {
 147         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 148         $sth->execute($servid);
 149         while ( $server = $sth->fetchrow_hashref ) {
 150             warn "serverinfo ".join(':',%$server) if $DEBUG;
 151             my $noconnection = 0;
 152             my $option1      = new ZOOM::Options();
 153             $option1->option( 'async' => 1 );
 154             $option1->option( 'elementSetName', 'F' );
 155             $option1->option( 'databaseName',   $server->{db} );
 156             $option1->option( 'user', $server->{userid} ) if $server->{userid};
 157             $option1->option( 'password', $server->{password} )
 158               if $server->{password};
 159             $option1->option( 'preferredRecordSyntax', $server->{syntax} );
 160             $oConnection[$s] = create ZOOM::Connection($option1)
 161               || $DEBUG
 162               && warn( "" . $oConnection[$s]->errmsg() );
 163             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 164             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 165               || $DEBUG
 166               && warn( "" . $oConnection[$s]->errmsg() );
 167             $serverhost[$s] = $server->{host};
 168             $servername[$s] = $server->{name};
 169             $encoding[$s]   = ($server->{encoding}?$server->{encoding}:"iso-5426");
 170             $s++;
 171         }    ## while fetch
 172     }    # foreach
 173     my $nremaining  = $s;
 174     my $firstresult = 1;
 175
 176     for ( my $z = 0 ; $z < $s ; $z++ ) {
 177         warn "doing the search" if $DEBUG;
 178         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 179           || $DEBUG
 180           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 181
 182         # $oResult[$z] = $oConnection[$z]->search_pqf($query);
 183     }
 184
 185   AGAIN:
 186     my $k;
 187     my $event;
 188     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 189         $event = $oConnection[ $k - 1 ]->last_event();
 190         warn( "connection ", $k - 1, ": event $event (",
 191             ZOOM::event_str($event), ")\n" )
 192           if $DEBUG;
 193         last if $event == ZOOM::Event::ZEND;
 194     }
 195
 196     if ( $k != 0 ) {
 197         $k--;
 198         warn $serverhost[$k] if $DEBUG;
 199         my ( $error, $errmsg, $addinfo, $diagset ) =
 200           $oConnection[$k]->error_x();
 201         if ($error) {
 202             warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n"
 203               if $DEBUG;
 204
 205         }
 206         else {
 207             my $numresults = $oResult[$k]->size();
 208             my $i;
 209             my $result = '';
 210             if ( $numresults > 0 ) {
 211                 for (
 212                     $i = 0 ;
 213                     $i < ( ( $numresults < 20 ) ? ($numresults) : (20) ) ;
 214                     $i++
 215                   )
 216                 {
 217                     my $rec = $oResult[$k]->record($i);
 218                     if ($rec) {
 219                         my $marcrecord;
 220                         $marcdata   = $rec->raw();
 221
 222                         my ($charset_result, $charset_errors);
 223                         ($marcrecord, $charset_result, $charset_errors) =
 224                           MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
 225 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 226 ## In HEAD i change everything to UTF-8
 227 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 228 ##Add necessary encoding changes to here -TG
 229                         my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 230                         $oldbiblio->{isbn}   =~ s/ |-|\.//g,
 231                           $oldbiblio->{issn} =~ s/ |-|\.//g,
 232                           my (
 233                             $notmarcrecord, $alreadyindb, $alreadyinfarm,
 234                             $imported,      $breedingid
 235                           )
 236                           = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 237                         my %row_data;
 238                         if ( $i % 2 ) {
 239                             $toggle = 1;
 240                         }
 241                         else {
 242                             $toggle = 0;
 243                         }
 244                         $row_data{toggle}       = $toggle;
 245                         $row_data{server}       = $servername[$k];
 246                         $row_data{isbn}         = $oldbiblio->{isbn};
 247                         $row_data{lccn}         = $oldbiblio->{lccn};
 248                         $row_data{title}        = $oldbiblio->{title};
 249                         $row_data{author}       = $oldbiblio->{author};
 250                         $row_data{breedingid}   = $breedingid;
 251                         $row_data{biblionumber} = $biblionumber;
 252                         push( @breeding_loop, \%row_data );
 253
 254                     } else {
 255                         push(@breeding_loop,{'toggle'=>($i % 2)?1:0,'server'=>$servername[$k],'title'=>join(': ',$oConnection[$k]->error_x()),'breedingid'=>-1,'biblionumber'=>-1});
 256                     } # $rec
 257                 }    # upto 5 results
 258             }    #$numresults
 259         }
 260     }    # if $k !=0
 261     $numberpending = $nremaining - 1;
 262     $template->param(
 263         breeding_loop => \@breeding_loop,
 264         server        => $servername[$k],
 265         numberpending => $numberpending,
 266     );
 267
 268     output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
 269
 270     #   print  $template->output  if $firstresult !=1;
 271     $firstresult++;
 272
 273   MAYBE_AGAIN:
 274     if ( --$nremaining > 0 ) {
 275         goto AGAIN;
 276     }
 277 }    ## if op=search