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 $controlnumber       = $input->param('controlnumber');
  46 my $stdid                       = $input->param('stdid');
  47 my $srchany                     = $input->param('srchany');
  48 my $random        = $input->param('random') || rand(1000000000); # this var is not useful anymore just kept for rel2_2 compatibility
  49 my $op            = $input->param('op');
  50 my $numberpending;
  51 my $attr = '';
  52 my $term;
  53 my $host;
  54 my $server;
  55 my $database;
  56 my $port;
  57 my $marcdata;
  58 my @encoding;
  59 my @results;
  60 my $count;
  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 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  72         template_name   => "cataloguing/z3950_search.tmpl",
  73         query           => $input,
  74         type            => "intranet",
  75         authnotrequired => 1,
  76         flagsrequired   => { catalogue => 1 },
  77         debug           => 1,
  78 });
  79
  80 $template->param( frameworkcode => $frameworkcode, );
  81
  82 if ( $op ne "do_search" ) {
  83     my $sth = $dbh->prepare("select id,host,name,checked from z3950servers  order by host");
  84     $sth->execute();
  85     my $serverloop = $sth->fetchall_arrayref( {} );
  86     $template->param(
  87         isbn         => $isbn,
  88         issn         => $issn,
  89         lccn         => $lccn,
  90         title        => $title,
  91         author       => $author,
  92         controlnumber=> $controlnumber,
  93         stdid                   => $stdid,
  94         srchany         => $srchany,
  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 @errconn;
 106     my $s = 0;
 107     my $query;
 108     my $nterms;
 109     if ($isbn || $issn) {
 110         $term=$isbn if ($isbn);
 111         $term=$issn if ($issn);
 112         $query .= " \@or \@attr 1=8 \"$term\" \@attr 1=7 \"$term\" ";
 113         $nterms++;
 114     }
 115     if ($title) {
 116         utf8::decode($title);
 117         $query .= " \@attr 1=4 \"$title\" ";
 118         $nterms++;
 119     }
 120     if ($author) {
 121         utf8::decode($author);
 122         $query .= " \@attr 1=1003 \"$author\" ";
 123         $nterms++;
 124     }
 125     if ($dewey) {
 126         $query .= " \@attr 1=16 \"$dewey\" ";
 127         $nterms++;
 128     }
 129     if ($subject) {
 130         utf8::decode($subject);
 131         $query .= " \@attr 1=21 \"$subject\" ";
 132         $nterms++;
 133     }
 134         if ($lccn) {
 135         $query .= " \@attr 1=9 $lccn ";
 136         $nterms++;
 137     }
 138     if ($controlnumber) {
 139         $query .= " \@attr 1=12 \"$controlnumber\" ";
 140         $nterms++;
 141     }
 142     if ($stdid) {
 143         $query .= " \@attr 1=1007 \"$stdid\" ";
 144         $nterms++;
 145     }
 146     if ($srchany) {
 147         $query .= " \@attr 1=1016 \"$srchany\" ";
 148         $nterms++;
 149     }
 150 for my $i (1..$nterms-1) {
 151     $query = "\@and " . $query;
 152 }
 153 warn "query ".$query  if $DEBUG;
 154
 155     foreach my $servid (@id) {
 156         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 157         $sth->execute($servid);
 158         while ( $server = $sth->fetchrow_hashref ) {
 159             warn "serverinfo ".join(':',%$server) if $DEBUG;
 160             my $option1      = new ZOOM::Options();
 161             $option1->option('async' => 1);
 162             $option1->option('elementSetName', 'F');
 163             $option1->option('databaseName', $server->{db});
 164             $option1->option('user',         $server->{userid}  ) if $server->{userid};
 165             $option1->option('password',     $server->{password}) if $server->{password};
 166             $option1->option('preferredRecordSyntax', $server->{syntax});
 167             $oConnection[$s] = create ZOOM::Connection($option1)
 168               || $DEBUG
 169               && warn( "" . $oConnection[$s]->errmsg() );
 170             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 171             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 172               || $DEBUG
 173               && warn( "" . $oConnection[$s]->errmsg() );
 174             $serverhost[$s] = $server->{host};
 175             $servername[$s] = $server->{name};
 176             $encoding[$s]   = ($server->{encoding}?$server->{encoding}:"iso-5426");
 177             $s++;
 178         }    ## while fetch
 179     }    # foreach
 180     my $nremaining  = $s;
 181     my $firstresult = 1;
 182
 183     for ( my $z = 0 ; $z < $s ; $z++ ) {
 184         warn "doing the search" if $DEBUG;
 185         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 186           || $DEBUG
 187           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 188
 189         # $oResult[$z] = $oConnection[$z]->search_pqf($query);
 190     }
 191
 192   AGAIN:
 193     my $k;
 194     my $event;
 195     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 196         $event = $oConnection[ $k - 1 ]->last_event();
 197         warn( "connection ", $k - 1, ": event $event (",
 198             ZOOM::event_str($event), ")\n" )
 199           if $DEBUG;
 200         last if $event == ZOOM::Event::ZEND;
 201     }
 202
 203     if ( $k != 0 ) {
 204         $k--;
 205         warn $serverhost[$k] if $DEBUG;
 206         my ( $error, $errmsg, $addinfo, $diagset ) =
 207           $oConnection[$k]->error_x();
 208         if ($error) {
 209             if ($error =~ m/^(10000|10007)$/ ) {
 210                 push(@errconn, {'server' => $serverhost[$k]});
 211             }
 212             $DEBUG and warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n";
 213         }
 214         else {
 215             my $numresults = $oResult[$k]->size();
 216             my $i;
 217             my $result = '';
 218             if ( $numresults > 0 ) {
 219                 for ($i = 0; $i < (($numresults < 20) ? $numresults : 20); $i++) {
 220                     my $rec = $oResult[$k]->record($i);
 221                     if ($rec) {
 222                         my $marcrecord;
 223                         $marcdata   = $rec->raw();
 224
 225                         my ($charset_result, $charset_errors);
 226                         ($marcrecord, $charset_result, $charset_errors) =
 227                           MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
 228 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 229 ## In HEAD i change everything to UTF-8
 230 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 231 ##Add necessary encoding changes to here -TG
 232                         my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 233                         $oldbiblio->{isbn}   =~ s/ |-|\.//g,
 234                           $oldbiblio->{issn} =~ s/ |-|\.//g,
 235                           my (
 236                             $notmarcrecord, $alreadyindb, $alreadyinfarm,
 237                             $imported,      $breedingid
 238                           )
 239                           = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 240                         my %row_data;
 241                         $row_data{server}       = $servername[$k];
 242                         $row_data{isbn}         = $oldbiblio->{isbn};
 243                         $row_data{lccn}         = $oldbiblio->{lccn};
 244                         $row_data{title}        = $oldbiblio->{title};
 245                         $row_data{author}       = $oldbiblio->{author};
 246                         $row_data{date}         = $oldbiblio->{copyrightdate};
 247                         $row_data{edition}      = $oldbiblio->{editionstatement};
 248                         $row_data{breedingid}   = $breedingid;
 249                         $row_data{biblionumber} = $biblionumber;
 250                         push( @breeding_loop, \%row_data );
 251
 252                     } else {
 253                         push(@breeding_loop,{'server'=>$servername[$k],'title'=>join(': ',$oConnection[$k]->error_x()),'breedingid'=>-1,'biblionumber'=>-1});
 254                     } # $rec
 255                 }
 256             }    #$numresults
 257         }
 258     }    # if $k !=0
 259     $numberpending = $nremaining - 1;
 260     $template->param(
 261         breeding_loop => \@breeding_loop,
 262         server        => $servername[$k],
 263         numberpending => $numberpending,
 264         biblionumber  => $biblionumber,
 265         errconn       => \@errconn
 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