/[Grep]/lib/Grep/Search.pm
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revision 127 by dpavlin, Sun Apr 29 00:16:05 2007 UTC revision 153 by dpavlin, Sun Jun 10 11:52:24 2007 UTC
# Line 3  package Grep::Search; Line 3  package Grep::Search;
3  use strict;  use strict;
4  use warnings;  use warnings;
5  use base qw( Class::Accessor );  use base qw( Class::Accessor );
6  Grep::Search->mk_accessors( qw( invindexer create index_path ) );  Grep::Search->mk_accessors( qw( invindexer create index_path hits ) );
7    
8  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
9  use KinoSearch::InvIndexer;  use KinoSearch::InvIndexer;
# Line 22  Grep::Search - full text search using L< Line 22  Grep::Search - full text search using L<
22    
23    my $search = Grep::Search->new();    my $search = Grep::Search->new();
24    
25      my $search = Grep::Search->new( create => 1 );
26    
27    =head2 invindexer
28    
29    Accessor to call any method defined on L<KinoSearch::InvIndexer>
30    
31      $search->invindexer->delete_by_term( 'id', 42 );
32    
33  =cut  =cut
34    
35  sub log { Jifty->web->log }  sub log { Jifty->web->log }
# Line 34  sub new { Line 42  sub new {
42    
43          $self->index_path( $index_path );          $self->index_path( $index_path );
44    
45          if (! -e "$index_path") {          if ( ! -e "$index_path" || $self->create ) {
46                  $self->log->debug("Creating new index $index_path");                  $self->log->debug("Creating new index $index_path");
47                  $self->invindexer( KinoSearch::InvIndexer->new( invindex => Grep::Search::Schema->clobber( $index_path ) ) );                  $self->invindexer( KinoSearch::InvIndexer->new( invindex => Grep::Search::Schema->clobber( $index_path ) ) );
48          } else {          } else {
# Line 113  sub add { Line 121  sub add {
121          $self->invindexer->add_doc( $doc );          $self->invindexer->add_doc( $doc );
122    
123          $self->log->debug("added ", $i->id, " for user $uid to index");          $self->log->debug("added ", $i->id, " for user $uid to index");
124    
125            return 1;
126  }  }
127    
128  =head2 collection  =head2 collection
129    
130    Return C<Grep::Model::ItemCollection> which is result of C<search query>
131    
132    my $ItemCollection = $search->collection( 'search query' );    my $ItemCollection = $search->collection( 'search query' );
133    
134    =head2 hits
135    
136    Return number of results from last C<collection> call
137    
138      my $num_results = $search->hits;
139    
140  =cut  =cut
141    
142  sub collection {  sub collection {
# Line 130  sub collection { Line 148  sub collection {
148                  invindex => Grep::Search::Schema->open( $self->index_path ), );                  invindex => Grep::Search::Schema->open( $self->index_path ), );
149          $self->log->debug("$searcher created");          $self->log->debug("$searcher created");
150    
151          my $full_q = "($q) AND _owner_id:" . Jifty->web->current_user->id;          my $full_q = "($q)";
152    
153            my $uid = Jifty->web->current_user->id;
154            $full_q .= ' AND _owner_id:' . $uid if (defined $uid);
155    
156          $self->log->debug("searching for '$q' using $full_q");          $self->log->debug("searching for '$q' using $full_q");
157    
158            my $query_parser = KinoSearch::QueryParser->new(
159                    schema => Grep::Search::Schema->new,
160                    fields => [ qw/ title link content summary category author / ],
161            );
162            $query_parser->set_heed_colons(1);       # enable field:value AND/OR/NOT syntax
163            my $query = $query_parser->parse( $full_q );
164          my $hits = $searcher->search(          my $hits = $searcher->search(
165                  query           => $full_q,                  query           => $query,
166  #               offset          => $offset,  #               offset          => $offset,
167  #               num_wanted      => $hits_per_page,  #               num_wanted      => $hits_per_page,
168          );          );
169    
170          my $num_hits = $hits->total_hits;          $self->hits( $hits->total_hits );
171    
172          $self->log->debug("found $num_hits results");          $self->log->debug("found ", $self->hits, " results");
173    
174          my $collection = Grep::Model::ItemCollection->new();          my $collection = Grep::Model::ItemCollection->new();
175    
# Line 154  sub collection { Line 182  sub collection {
182                  my $title = $hit->{title};                  my $title = $hit->{title};
183                  my $id = $hit->{id};                  my $id = $hit->{id};
184    
185                  $self->log->debug("result $i $score $title");                  $self->log->debug("result $i [$id] $title $score");
186    
187                  my $item = Grep::Model::Item->new();                  my $item = Grep::Model::Item->new();
188                  my ($ok,$msg) = $item->load_by_cols( id => $id );                  my ($ok,$msg) = $item->load_by_cols( id => $id );
# Line 189  sub finish { Line 217  sub finish {
217    
218          undef $self;          undef $self;
219    
220          return;          return 1;
221  }  }
222    
 =cut  
   
223  =head2 snippet  =head2 snippet
224    
225    my $short = $self->snippet( 50, $text );    my $short = $self->snippet( 50, $text );
# Line 218  sub snippet { Line 244  sub snippet {
244  package Grep::Search::KeywordField;  package Grep::Search::KeywordField;
245  use base qw( KinoSearch::Schema::FieldSpec );  use base qw( KinoSearch::Schema::FieldSpec );
246  sub analyzed { 0 }  sub analyzed { 0 }
247    #sub indexed { 1 }
248    #sub stored { 1 }
249    sub vectorized { 0 }
250    
251  package Grep::Search::Schema;  package Grep::Search::Schema;
252    
253  =head1 NAME  =head1 NAME
254    
255  Grep::Search::Schema - data definition  Grep::Search::Schema - schema definition for full-text search
256    
257  =cut  =cut
258    
259  use base 'KinoSearch::Schema';  use base 'KinoSearch::Schema';
260  use KinoSearch::Analysis::PolyAnalyzer;  use KinoSearch::Analysis::PolyAnalyzer;
261    
262  our %FIELDS = (  our %fields = (
263          id                              => 'Grep::Search::KeywordField',          id                              => 'Grep::Search::KeywordField',
264    
265          in_feed_id              => 'Grep::Search::KeywordField',          in_feed_id              => 'Grep::Search::KeywordField',
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