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
  18 # with Koha; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20
  21 use strict;
  22 #use warnings; FIXME - Bug 2505
  23 use CGI;
  24
  25 use C4::Auth;
  26 use C4::Output;
  27 use C4::Biblio;
  28 use C4::Context;
  29 use C4::Breeding;
  30 use C4::Koha;
  31 use C4::Charset;
  32 use ZOOM;
  33
  34 my $input        = new CGI;
  35 my $dbh          = C4::Context->dbh;
  36 my $error         = $input->param('error');
  37 my $biblionumber  = $input->param('biblionumber') || 0;
  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 $lccall        = $input->param('lccall');
  45 my $subject       = $input->param('subject');
  46 my $dewey         = $input->param('dewey');
  47 my $controlnumber       = $input->param('controlnumber');
  48 my $stdid                       = $input->param('stdid');
  49 my $srchany                     = $input->param('srchany');
  50 my $random        = $input->param('random') || rand(1000000000); # this var is not useful anymore just kept for rel2_2 compatibility
  51 my $op            = $input->param('op');
  52 my $numberpending;
  53 my $attr = '';
  54 my $term;
  55 my $host;
  56 my $server;
  57 my $database;
  58 my $port;
  59 my $marcdata;
  60 my @encoding;
  61 my @results;
  62 my $count;
  63 my $record;
  64 my $oldbiblio;
  65 my $errmsg;
  66 my @serverloop = ();
  67 my @serverhost;
  68 my @servername;
  69 my @breeding_loop = ();
  70
  71 my $DEBUG = 0;    # if set to 1, many debug message are send on syslog.
  72
  73 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  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 $template->param( frameworkcode => $frameworkcode, );
  83
  84 if ( $op ne "do_search" ) {
  85     my $sth = $dbh->prepare("select id,host,name,checked from z3950servers  order by host");
  86     $sth->execute();
  87     my $serverloop = $sth->fetchall_arrayref( {} );
  88     $template->param(
  89         isbn         => $isbn,
  90         issn         => $issn,
  91         lccn         => $lccn,
  92         lccall       => $lccall,
  93         title        => $title,
  94         author       => $author,
  95         controlnumber=> $controlnumber,
  96         stdid                   => $stdid,
  97         srchany         => $srchany,
  98         serverloop   => $serverloop,
  99         opsearch     => "search",
 100         biblionumber => $biblionumber,
 101     );
 102     output_html_with_http_headers $input, $cookie, $template->output;
 103 }
 104 else {
 105     my @id = $input->param('id');
 106     my @oConnection;
 107     my @oResult;
 108     my @errconn;
 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         $nterms++;
 140     }
 141     if ($lccall) {
 142         $query .= " \@attr 1=16 \@attr 2=3 \@attr 3=1 \@attr 4=1 \@attr 5=1 \@attr 6=1 \"$lccall\" ";
 143         $nterms++;
 144     }
 145     if ($controlnumber) {
 146         $query .= " \@attr 1=12 \"$controlnumber\" ";
 147         $nterms++;
 148     }
 149     if ($stdid) {
 150         $query .= " \@attr 1=1007 \"$stdid\" ";
 151         $nterms++;
 152     }
 153     if ($srchany) {
 154         $query .= " \@attr 1=1016 \"$srchany\" ";
 155         $nterms++;
 156     }
 157 for my $i (1..$nterms-1) {
 158     $query = "\@and " . $query;
 159 }
 160 warn "query ".$query  if $DEBUG;
 161
 162     foreach my $servid (@id) {
 163         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 164         $sth->execute($servid);
 165         while ( $server = $sth->fetchrow_hashref ) {
 166             warn "serverinfo ".join(':',%$server) if $DEBUG;
 167             my $option1      = new ZOOM::Options();
 168             $option1->option('async' => 1);
 169             $option1->option('elementSetName', 'F');
 170             $option1->option('databaseName', $server->{db});
 171             $option1->option('user',         $server->{userid}  ) if $server->{userid};
 172             $option1->option('password',     $server->{password}) if $server->{password};
 173             $option1->option('preferredRecordSyntax', $server->{syntax});
 174             $oConnection[$s] = create ZOOM::Connection($option1)
 175               || $DEBUG
 176               && warn( "" . $oConnection[$s]->errmsg() );
 177             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 178             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 179               || $DEBUG
 180               && warn( "" . $oConnection[$s]->errmsg() );
 181             $serverhost[$s] = $server->{host};
 182             $servername[$s] = $server->{name};
 183             $encoding[$s]   = ($server->{encoding}?$server->{encoding}:"iso-5426");
 184             $s++;
 185         }    ## while fetch
 186     }    # foreach
 187     my $nremaining  = $s;
 188     my $firstresult = 1;
 189
 190     for ( my $z = 0 ; $z < $s ; $z++ ) {
 191         warn "doing the search" if $DEBUG;
 192         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 193           || $DEBUG
 194           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 195
 196         # $oResult[$z] = $oConnection[$z]->search_pqf($query);
 197     }
 198
 199   AGAIN:
 200     my $k;
 201     my $event;
 202     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 203         $event = $oConnection[ $k - 1 ]->last_event();
 204         warn( "connection ", $k - 1, ": event $event (",
 205             ZOOM::event_str($event), ")\n" )
 206           if $DEBUG;
 207         last if $event == ZOOM::Event::ZEND;
 208     }
 209
 210     if ( $k != 0 ) {
 211         $k--;
 212         warn $serverhost[$k] if $DEBUG;
 213         my ( $error, $errmsg, $addinfo, $diagset ) =
 214           $oConnection[$k]->error_x();
 215         if ($error) {
 216             if ($error =~ m/^(10000|10007)$/ ) {
 217                 push(@errconn, {'server' => $serverhost[$k]});
 218             }
 219             $DEBUG and warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n";
 220         }
 221         else {
 222             my $numresults = $oResult[$k]->size();
 223             my $i;
 224             my $result = '';
 225             if ( $numresults > 0 ) {
 226                 for ($i = 0; $i < (($numresults < 20) ? $numresults : 20); $i++) {
 227                     my $rec = $oResult[$k]->record($i);
 228                     if ($rec) {
 229                         my $marcrecord;
 230                         $marcdata   = $rec->raw();
 231
 232                         my ($charset_result, $charset_errors);
 233                         ($marcrecord, $charset_result, $charset_errors) =
 234                           MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
 235 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 236 ## In HEAD i change everything to UTF-8
 237 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 238 ##Add necessary encoding changes to here -TG
 239                         my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 240                         $oldbiblio->{isbn}   =~ s/ |-|\.//g if $oldbiblio->{isbn};
 241                         # pad | and ( with spaces to allow line breaks in the HTML
 242                         $oldbiblio->{isbn} =~ s/\|/ \| /g if $oldbiblio->{isbn};
 243                         $oldbiblio->{isbn} =~ s/\(/ \(/g if $oldbiblio->{isbn};
 244
 245                         $oldbiblio->{issn} =~ s/ |-|\.//g if $oldbiblio->{issn};
 246                         # pad | and ( with spaces to allow line breaks in the HTML
 247                         $oldbiblio->{issn} =~ s/\|/ \| /g if $oldbiblio->{issn};
 248                         $oldbiblio->{issn} =~ s/\(/ \(/g if $oldbiblio->{issn};
 249                           my (
 250                             $notmarcrecord, $alreadyindb, $alreadyinfarm,
 251                             $imported,      $breedingid
 252                           )
 253                           = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 254                         my %row_data;
 255                         $row_data{server}       = $servername[$k];
 256                         $row_data{isbn}         = $oldbiblio->{isbn};
 257                         $row_data{lccn}         = $oldbiblio->{lccn};
 258                         $row_data{title}        = $oldbiblio->{title};
 259                         $row_data{author}       = $oldbiblio->{author};
 260                         $row_data{date}         = $oldbiblio->{copyrightdate};
 261                         $row_data{edition}      = $oldbiblio->{editionstatement};
 262                         $row_data{breedingid}   = $breedingid;
 263                         $row_data{biblionumber} = $biblionumber;
 264                         push( @breeding_loop, \%row_data );
 265
 266                     } else {
 267                         push(@breeding_loop,{'server'=>$servername[$k],'title'=>join(': ',$oConnection[$k]->error_x()),'breedingid'=>-1,'biblionumber'=>-1});
 268                     } # $rec
 269                 }
 270             }    #$numresults
 271         }
 272     }    # if $k !=0
 273     $numberpending = $nremaining - 1;
 274     $template->param(
 275         breeding_loop => \@breeding_loop,
 276         server        => $servername[$k],
 277         numberpending => $numberpending,
 278         biblionumber  => $biblionumber,
 279         errconn       => \@errconn
 280     );
 281
 282     output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
 283
 284     #   print  $template->output  if $firstresult !=1;
 285     $firstresult++;
 286
 287   MAYBE_AGAIN:
 288     if ( --$nremaining > 0 ) {
 289         goto AGAIN;
 290     }
 291 }    ## if op=search