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 $subject       = $input->param('subject');
  45 my $dewey         = $input->param('dewey');
  46 my $controlnumber       = $input->param('controlnumber');
  47 my $stdid                       = $input->param('stdid');
  48 my $srchany                     = $input->param('srchany');
  49 my $random        = $input->param('random') || rand(1000000000); # this var is not useful anymore just kept for rel2_2 compatibility
  50 my $op            = $input->param('op');
  51 my $numberpending;
  52 my $attr = '';
  53 my $term;
  54 my $host;
  55 my $server;
  56 my $database;
  57 my $port;
  58 my $marcdata;
  59 my @encoding;
  60 my @results;
  61 my $count;
  62 my $record;
  63 my $oldbiblio;
  64 my $errmsg;
  65 my @serverloop = ();
  66 my @serverhost;
  67 my @servername;
  68 my @breeding_loop = ();
  69
  70 my $DEBUG = 0;    # if set to 1, many debug message are send on syslog.
  71
  72 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  73         template_name   => "cataloguing/z3950_search.tmpl",
  74         query           => $input,
  75         type            => "intranet",
  76         authnotrequired => 1,
  77         flagsrequired   => { catalogue => 1 },
  78         debug           => 1,
  79 });
  80
  81 $template->param( frameworkcode => $frameworkcode, );
  82
  83 if ( $op ne "do_search" ) {
  84     my $sth = $dbh->prepare("select id,host,name,checked from z3950servers  order by host");
  85     $sth->execute();
  86     my $serverloop = $sth->fetchall_arrayref( {} );
  87     $template->param(
  88         isbn         => $isbn,
  89         issn         => $issn,
  90         lccn         => $lccn,
  91         title        => $title,
  92         author       => $author,
  93         controlnumber=> $controlnumber,
  94         stdid                   => $stdid,
  95         srchany         => $srchany,
  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 @errconn;
 107     my $s = 0;
 108     my $query;
 109     my $nterms;
 110     if ($isbn || $issn) {
 111         $term=$isbn if ($isbn);
 112         $term=$issn if ($issn);
 113         $query .= " \@or \@attr 1=8 \"$term\" \@attr 1=7 \"$term\" ";
 114         $nterms++;
 115     }
 116     if ($title) {
 117         utf8::decode($title);
 118         $query .= " \@attr 1=4 \"$title\" ";
 119         $nterms++;
 120     }
 121     if ($author) {
 122         utf8::decode($author);
 123         $query .= " \@attr 1=1003 \"$author\" ";
 124         $nterms++;
 125     }
 126     if ($dewey) {
 127         $query .= " \@attr 1=16 \"$dewey\" ";
 128         $nterms++;
 129     }
 130     if ($subject) {
 131         utf8::decode($subject);
 132         $query .= " \@attr 1=21 \"$subject\" ";
 133         $nterms++;
 134     }
 135         if ($lccn) {
 136         $query .= " \@attr 1=9 $lccn ";
 137         $nterms++;
 138     }
 139     if ($controlnumber) {
 140         $query .= " \@attr 1=12 \"$controlnumber\" ";
 141         $nterms++;
 142     }
 143     if ($stdid) {
 144         $query .= " \@attr 1=1007 \"$stdid\" ";
 145         $nterms++;
 146     }
 147     if ($srchany) {
 148         $query .= " \@attr 1=1016 \"$srchany\" ";
 149         $nterms++;
 150     }
 151 for my $i (1..$nterms-1) {
 152     $query = "\@and " . $query;
 153 }
 154 warn "query ".$query  if $DEBUG;
 155
 156     foreach my $servid (@id) {
 157         my $sth = $dbh->prepare("select * from z3950servers where id=?");
 158         $sth->execute($servid);
 159         while ( $server = $sth->fetchrow_hashref ) {
 160             warn "serverinfo ".join(':',%$server) if $DEBUG;
 161             my $option1      = new ZOOM::Options();
 162             $option1->option('async' => 1);
 163             $option1->option('elementSetName', 'F');
 164             $option1->option('databaseName', $server->{db});
 165             $option1->option('user',         $server->{userid}  ) if $server->{userid};
 166             $option1->option('password',     $server->{password}) if $server->{password};
 167             $option1->option('preferredRecordSyntax', $server->{syntax});
 168             $oConnection[$s] = create ZOOM::Connection($option1)
 169               || $DEBUG
 170               && warn( "" . $oConnection[$s]->errmsg() );
 171             warn( "server data", $server->{name}, $server->{port} ) if $DEBUG;
 172             $oConnection[$s]->connect( $server->{host}, $server->{port} )
 173               || $DEBUG
 174               && warn( "" . $oConnection[$s]->errmsg() );
 175             $serverhost[$s] = $server->{host};
 176             $servername[$s] = $server->{name};
 177             $encoding[$s]   = ($server->{encoding}?$server->{encoding}:"iso-5426");
 178             $s++;
 179         }    ## while fetch
 180     }    # foreach
 181     my $nremaining  = $s;
 182     my $firstresult = 1;
 183
 184     for ( my $z = 0 ; $z < $s ; $z++ ) {
 185         warn "doing the search" if $DEBUG;
 186         $oResult[$z] = $oConnection[$z]->search_pqf($query)
 187           || $DEBUG
 188           && warn( "somthing went wrong: " . $oConnection[$s]->errmsg() );
 189
 190         # $oResult[$z] = $oConnection[$z]->search_pqf($query);
 191     }
 192
 193   AGAIN:
 194     my $k;
 195     my $event;
 196     while ( ( $k = ZOOM::event( \@oConnection ) ) != 0 ) {
 197         $event = $oConnection[ $k - 1 ]->last_event();
 198         warn( "connection ", $k - 1, ": event $event (",
 199             ZOOM::event_str($event), ")\n" )
 200           if $DEBUG;
 201         last if $event == ZOOM::Event::ZEND;
 202     }
 203
 204     if ( $k != 0 ) {
 205         $k--;
 206         warn $serverhost[$k] if $DEBUG;
 207         my ( $error, $errmsg, $addinfo, $diagset ) =
 208           $oConnection[$k]->error_x();
 209         if ($error) {
 210             if ($error =~ m/^(10000|10007)$/ ) {
 211                 push(@errconn, {'server' => $serverhost[$k]});
 212             }
 213             $DEBUG and warn "$k $serverhost[$k] error $query: $errmsg ($error) $addinfo\n";
 214         }
 215         else {
 216             my $numresults = $oResult[$k]->size();
 217             my $i;
 218             my $result = '';
 219             if ( $numresults > 0 ) {
 220                 for ($i = 0; $i < (($numresults < 20) ? $numresults : 20); $i++) {
 221                     my $rec = $oResult[$k]->record($i);
 222                     if ($rec) {
 223                         my $marcrecord;
 224                         $marcdata   = $rec->raw();
 225
 226                         my ($charset_result, $charset_errors);
 227                         ($marcrecord, $charset_result, $charset_errors) =
 228                           MarcToUTF8Record($marcdata, C4::Context->preference('marcflavour'), $encoding[$k]);
 229 ####WARNING records coming from Z3950 clients are in various character sets MARC8,UTF8,UNIMARC etc
 230 ## In HEAD i change everything to UTF-8
 231 # In rel2_2 i am not sure what encoding is so no character conversion is done here
 232 ##Add necessary encoding changes to here -TG
 233                         my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, "" );
 234                         $oldbiblio->{isbn}   =~ s/ |-|\.//g,
 235                           $oldbiblio->{issn} =~ s/ |-|\.//g,
 236                           my (
 237                             $notmarcrecord, $alreadyindb, $alreadyinfarm,
 238                             $imported,      $breedingid
 239                           )
 240                           = ImportBreeding( $marcdata, 2, $serverhost[$k], $encoding[$k], $random, 'z3950' );
 241                         my %row_data;
 242                         $row_data{server}       = $servername[$k];
 243                         $row_data{isbn}         = $oldbiblio->{isbn};
 244                         $row_data{lccn}         = $oldbiblio->{lccn};
 245                         $row_data{title}        = $oldbiblio->{title};
 246                         $row_data{author}       = $oldbiblio->{author};
 247                         $row_data{date}         = $oldbiblio->{copyrightdate};
 248                         $row_data{edition}      = $oldbiblio->{editionstatement};
 249                         $row_data{breedingid}   = $breedingid;
 250                         $row_data{biblionumber} = $biblionumber;
 251                         push( @breeding_loop, \%row_data );
 252
 253                     } else {
 254                         push(@breeding_loop,{'server'=>$servername[$k],'title'=>join(': ',$oConnection[$k]->error_x()),'breedingid'=>-1,'biblionumber'=>-1});
 255                     } # $rec
 256                 }
 257             }    #$numresults
 258         }
 259     }    # if $k !=0
 260     $numberpending = $nremaining - 1;
 261     $template->param(
 262         breeding_loop => \@breeding_loop,
 263         server        => $servername[$k],
 264         numberpending => $numberpending,
 265         biblionumber  => $biblionumber,
 266         errconn       => \@errconn
 267     );
 268
 269     output_html_with_http_headers $input, $cookie, $template->output if $numberpending == 0;
 270
 271     #   print  $template->output  if $firstresult !=1;
 272     $firstresult++;
 273
 274   MAYBE_AGAIN:
 275     if ( --$nremaining > 0 ) {
 276         goto AGAIN;
 277     }
 278 }    ## if op=search