/[webpac2]/trunk/lib/WebPAC/Search/Estraier.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 156 by dpavlin, Sat Nov 26 14:37:33 2005 UTC revision 535 by dpavlin, Mon Jun 26 16:39:42 2006 UTC
# Line 3  package WebPAC::Search::Estraier; Line 3  package WebPAC::Search::Estraier;
3  use warnings;  use warnings;
4  use strict;  use strict;
5    
6  use HyperEstraier;  use Search::Estraier;
7  use Text::Iconv;  use Encode qw/from_to/;
8  use Data::Dumper;  use Data::Dumper;
9    
10  =head1 NAME  =head1 NAME
# Line 13  WebPAC::Search::Estraier - search Hyper Line 13  WebPAC::Search::Estraier - search Hyper
13    
14  =head1 VERSION  =head1 VERSION
15    
16  Version 0.03  Version 0.07
17    
18  =cut  =cut
19    
20  our $VERSION = '0.03';  our $VERSION = '0.07';
21    
22  =head1 SYNOPSIS  =head1 SYNOPSIS
23    
# Line 31  L<WebPAC::Output::Estraier>. Line 31  L<WebPAC::Output::Estraier>.
31  Connect to Hyper Estraier index using HTTP  Connect to Hyper Estraier index using HTTP
32    
33   my $est = new WebPAC::Search::Estraier(   my $est = new WebPAC::Search::Estraier(
34          url => 'http://localhost:1978/node/webpac2',          masterurl => 'http://localhost:1978/',
35            database => 'webpac2',
36          user => 'admin',          user => 'admin',
37          passwd => 'admin',          passwd => 'admin',
38          encoding => 'iso-8859-2',          encoding => 'iso-8859-2',
# Line 42  Options are: Line 43  Options are:
43    
44  =over 4  =over 4
45    
46  =item url  =item maseterurl
47    
48  URI to C<estmaster> node  URI to C<estmaster> node
49    
50    =item database
51    
52    name of C<estmaster> node
53    
54  =item user  =item user
55    
56  C<estmaster> user with read rights  C<estmaster> user with read rights
# Line 76  sub new { Line 81  sub new {
81    
82          my $log = $self->_get_logger;          my $log = $self->_get_logger;
83    
84          foreach my $p (qw/url user passwd/) {          foreach my $p (qw/masterurl user passwd/) {
85                  $log->logdie("need $p") unless ($self->{$p});                  $log->logdie("need $p") unless ($self->{$p});
86          }          }
87    
88          $log->info("opening Hyper Estraier index $self->{'url'} as $self->{'user'}");          my $url = $self->{masterurl} . '/node/' . $self->{database};
89            $self->{url} = $url;
90    
91          $self->{'db'} = HyperEstraier::Node->new($self->{'url'});          $log->info("opening Hyper Estraier index $self->{'url'} as $self->{'user'}");
         $self->{'db'}->set_auth($self->{'user'}, $self->{'passwd'});  
92    
93          my $encoding = $self->{'encoding'} || 'ISO-8859-2';          $self->{db} = Search::Estraier::Node->new;
94          $log->info("using encoding $encoding");          $self->{db}->set_url($self->{'url'});
95            $self->{db}->set_auth($self->{'user'}, $self->{'passwd'});
96    
97          $self->{'iconv'} = new Text::Iconv('UTF-8', $encoding) or          $self->{'encoding'} ||= 'ISO-8859-2';
98                  $log->die("can't create conversion from UTF-8 to $encoding");          $log->info("using encoding ",$self->{encoding});
99    
100          $self ? return $self : return undef;          $self ? return $self : return undef;
101  }  }
# Line 110  Locate items in index Line 116  Locate items in index
116          max => 100,          max => 100,
117          options => $HyperEstraier::Condition::SURE,          options => $HyperEstraier::Condition::SURE,
118          page => 42,          page => 42,
119            depth => 0,
120    );    );
121    
122  Options are close match to Hyper Estraier API, except C<get_attr> which defines  Options are close match to Hyper Estraier API, except C<get_attr> which defines
# Line 139  sub search { Line 146  sub search {
146    
147          $log->debug("args: " . Dumper( $args ));          $log->debug("args: " . Dumper( $args ));
148    
149          my $cond = HyperEstraier::Condition->new();          my $cond = Search::Estraier::Condition->new();
150          if ( ref($args->{add_attr}) eq 'ARRAY' ) {          if ( ref($args->{add_attr}) eq 'ARRAY' ) {
151                  $log->debug("adding search attributes: " . join(", ", @{ $args->{add_attr} }) );                  $log->debug("adding search attributes: " . join(", ", @{ $args->{add_attr} }) );
152                  map {                  map {
153                          $cond->add_attr( $self->{iconv}->convert( $_ ) );                          $cond->add_attr( $self->convert( $_ ) );
154                          $log->debug(" + $_");                          $log->debug(" + $_");
155                  } @{ $args->{add_attr} };                  } @{ $args->{add_attr} };
156          };          };
157    
158          $cond->set_phrase( $self->{iconv}->convert($q) ) if ($q);          $cond->set_phrase( $self->convert($q) ) if ($q);
159          $cond->set_options( $args->{options} ) if ($args->{options});          $cond->set_options( $args->{options} ) if ($args->{options});
160          $cond->set_order( $args->{order} ) if ($args->{order});          $cond->set_order( $args->{order} ) if ($args->{order});
161    
162          my $max = $args->{max} || 7;          my $max = $args->{max} || 7;
163          my $page = $args->{page} || 1;          my $page = $args->{page} || 1;
164            if ($page < 1) {
165                    $log->warn("page number $page < 1");
166                    $page = 1;
167            }
168    
169          $cond->set_max( $page * $max );          $cond->set_max( $page * $max );
170    
171          my $result = $self->{db}->search($cond, 0) ||          my $result = $self->{db}->search($cond, ( $args->{depth} || 0 )) ||
172                  $log->die("can't search for ", sub { Dumper( $args ) });                  $log->logdie("can't search for ", sub { Dumper( $args ) });
173    
174          my $hits = $result->doc_num;          my $hits = $result->doc_num;
175          $log->debug("found $hits hits for '$q'");          $log->debug("found $hits hits for '$q'");
# Line 179  sub search { Line 190  sub search {
190                  foreach my $attr (@{ $args->{get_attr} }) {                  foreach my $attr (@{ $args->{get_attr} }) {
191                          my $val = $doc->attr( $attr );                          my $val = $doc->attr( $attr );
192                          #$log->debug("attr $attr = ", $val || 'undef');                          #$log->debug("attr $attr = ", $val || 'undef');
193                          $hash->{$attr} = $self->{iconv}->convert( $val ) if (defined($val));                          $hash->{$attr} = $self->convert( $val ) if (defined($val));
194                  }                  }
195    
196                  if ($hash) {                  if ($hash) {
# Line 221  sub confess { Line 232  sub confess {
232          }          }
233  }  }
234    
235    =head2 convert
236    
237    convert internal encoding to UTF-8
238    
239      my $utf8 = $self->convert( $text );
240    
241    =cut
242    
243    sub convert {
244            my $self = shift;
245    
246            my $text = shift || return;
247    
248            from_to($text, $self->{encoding}, 'UTF-8');
249            return $text;
250    }
251    
252    
253  =head2 _get_logger  =head2 _get_logger
254    
255  For compatibility with same method from L<WebPAC::Common>, but without  For compatibility with same method from L<WebPAC::Common>, but without
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