| 1 |
dpavlin |
47 |
package Grep::Search; |
| 2 |
|
|
|
| 3 |
|
|
use strict; |
| 4 |
|
|
use warnings; |
| 5 |
|
|
|
| 6 |
|
|
use Data::Dump qw/dump/; |
| 7 |
|
|
use Lucene; |
| 8 |
|
|
use Jifty::Util; |
| 9 |
|
|
|
| 10 |
|
|
my $index_path = Jifty::Util->app_root . '/var/lucene'; |
| 11 |
|
|
|
| 12 |
|
|
my ( $analyzer, $store, $writer ); |
| 13 |
|
|
|
| 14 |
|
|
my $debug = 0; |
| 15 |
|
|
|
| 16 |
dpavlin |
49 |
sub create { |
| 17 |
dpavlin |
47 |
|
| 18 |
|
|
my $create = 0; |
| 19 |
|
|
if (! -e "$index_path/segments") { |
| 20 |
|
|
$create = 1; |
| 21 |
dpavlin |
49 |
Jifty->log->debug("create index $index_path") unless ($store); |
| 22 |
dpavlin |
47 |
} else { |
| 23 |
dpavlin |
49 |
Jifty->log->debug("open index: $index_path") unless ($store); |
| 24 |
dpavlin |
47 |
} |
| 25 |
dpavlin |
49 |
return $create; |
| 26 |
dpavlin |
47 |
} |
| 27 |
|
|
|
| 28 |
dpavlin |
49 |
sub analyzer { |
| 29 |
|
|
my $self = shift; |
| 30 |
|
|
$analyzer ||= new Lucene::Analysis::Standard::StandardAnalyzer(); |
| 31 |
|
|
return $analyzer; |
| 32 |
|
|
} |
| 33 |
|
|
|
| 34 |
|
|
sub store { |
| 35 |
|
|
my $self = shift; |
| 36 |
|
|
|
| 37 |
|
|
$store ||= Lucene::Store::FSDirectory->getDirectory( $index_path, $self->create ); |
| 38 |
|
|
return $store; |
| 39 |
|
|
} |
| 40 |
|
|
|
| 41 |
|
|
sub writer { |
| 42 |
|
|
my $self = shift; |
| 43 |
|
|
$writer ||= new Lucene::Index::IndexWriter( $self->store, $self->analyzer, $self->create ); |
| 44 |
|
|
return $writer; |
| 45 |
|
|
} |
| 46 |
|
|
|
| 47 |
dpavlin |
47 |
=head2 add |
| 48 |
|
|
|
| 49 |
|
|
Grep::Search->add( $record ); |
| 50 |
|
|
|
| 51 |
|
|
=cut |
| 52 |
|
|
|
| 53 |
|
|
sub add { |
| 54 |
|
|
my $self = shift; |
| 55 |
|
|
|
| 56 |
|
|
my $i = shift or die "no record to add"; |
| 57 |
|
|
|
| 58 |
|
|
die "record not Jifty::Record but ", ref $i unless ($i->isa('Jifty::Record')); |
| 59 |
|
|
|
| 60 |
|
|
my $pk = { $i->primary_keys }; |
| 61 |
|
|
|
| 62 |
|
|
my $doc = new Lucene::Document; |
| 63 |
|
|
|
| 64 |
|
|
my @columns = map { $_->name } $i->columns; |
| 65 |
|
|
|
| 66 |
|
|
foreach my $c ( @columns ) { |
| 67 |
|
|
|
| 68 |
|
|
my $v = $i->$c; |
| 69 |
|
|
|
| 70 |
|
|
if ( ref($v) ne '' ) { |
| 71 |
|
|
if ($i->$c->can('id')) { |
| 72 |
|
|
$v = $i->$c->id; |
| 73 |
|
|
warn " # $c = $v [id]\n" if ($debug); |
| 74 |
|
|
$doc->add(Lucene::Document::Field->Keyword( $c, $v )); |
| 75 |
|
|
} elsif ($v->isa('Jifty::DateTime')) { |
| 76 |
|
|
warn " d $c = $v\n" if ($debug); |
| 77 |
|
|
$doc->add(Lucene::Document::Field->Keyword( $c, "$v" )); |
| 78 |
|
|
} else { |
| 79 |
|
|
warn " s $c = $v [",ref($v),"]\n" if ($debug); |
| 80 |
|
|
} |
| 81 |
|
|
next; |
| 82 |
|
|
} |
| 83 |
|
|
|
| 84 |
|
|
next if (! defined($v) || $v eq ''); |
| 85 |
|
|
|
| 86 |
|
|
$v =~ s/<[^>]+>/ /gs; |
| 87 |
|
|
|
| 88 |
|
|
if ( defined( $pk->{$c} ) ) { |
| 89 |
|
|
$doc->add(Lucene::Document::Field->Keyword( $c, $v )); |
| 90 |
|
|
warn " * $c = $v\n" if ($debug); |
| 91 |
|
|
} else { |
| 92 |
|
|
$doc->add(Lucene::Document::Field->Text( $c, $v )); |
| 93 |
|
|
warn " + $c = $v\n" if ($debug); |
| 94 |
|
|
} |
| 95 |
|
|
} |
| 96 |
|
|
|
| 97 |
dpavlin |
49 |
$self->writer->addDocument($doc); |
| 98 |
dpavlin |
47 |
|
| 99 |
|
|
Jifty->log->debug("added ", $i->id, " to index"); |
| 100 |
|
|
} |
| 101 |
|
|
|
| 102 |
|
|
=head2 |
| 103 |
|
|
|
| 104 |
|
|
my $ItemCollection = Grep::Search->collection( 'search query' ); |
| 105 |
|
|
|
| 106 |
|
|
=cut |
| 107 |
|
|
|
| 108 |
|
|
sub collection { |
| 109 |
|
|
my $self = shift; |
| 110 |
|
|
|
| 111 |
|
|
my $q = shift or die "no q?"; |
| 112 |
|
|
|
| 113 |
dpavlin |
49 |
my $searcher = new Lucene::Search::IndexSearcher($self->store); |
| 114 |
|
|
my $parser = new Lucene::QueryParser("content", $self->analyzer); |
| 115 |
dpavlin |
47 |
my $query = $parser->parse( $q ); |
| 116 |
|
|
|
| 117 |
|
|
Jifty->log->debug("searching for '$q'"); |
| 118 |
|
|
|
| 119 |
|
|
my $hits = $searcher->search($query); |
| 120 |
|
|
my $num_hits = $hits->length(); |
| 121 |
|
|
|
| 122 |
|
|
Jifty->log->debug("found $num_hits results"); |
| 123 |
|
|
|
| 124 |
|
|
my $collection = Grep::Model::ItemCollection->new(); |
| 125 |
|
|
|
| 126 |
|
|
my @results; |
| 127 |
|
|
|
| 128 |
|
|
for ( my $i = 0; $i < $num_hits; $i++ ) { |
| 129 |
|
|
|
| 130 |
|
|
my $doc = $hits->doc( $i ); |
| 131 |
|
|
|
| 132 |
|
|
my $score = $hits->score($i); |
| 133 |
|
|
my $title = $doc->get("title"); |
| 134 |
|
|
my $id = $doc->get("id"); |
| 135 |
|
|
|
| 136 |
|
|
warn "## $i $score $title\n"; |
| 137 |
|
|
|
| 138 |
|
|
my $item = Grep::Model::Item->new(); |
| 139 |
|
|
my ($ok,$msg) = $item->load_by_cols( id => $id ); |
| 140 |
|
|
|
| 141 |
|
|
if ( $ok ) { |
| 142 |
|
|
$collection->add_record( $item ); |
| 143 |
|
|
} else { |
| 144 |
|
|
warn "can't load item $id\n"; |
| 145 |
|
|
} |
| 146 |
|
|
|
| 147 |
|
|
} |
| 148 |
|
|
|
| 149 |
|
|
undef $hits; |
| 150 |
|
|
undef $query; |
| 151 |
|
|
undef $parser; |
| 152 |
|
|
undef $searcher; |
| 153 |
|
|
|
| 154 |
|
|
return $collection; |
| 155 |
|
|
} |
| 156 |
|
|
|
| 157 |
|
|
=head2 finish |
| 158 |
|
|
|
| 159 |
|
|
Grep::Search->finish |
| 160 |
|
|
|
| 161 |
|
|
=cut |
| 162 |
|
|
|
| 163 |
|
|
sub finish { |
| 164 |
|
|
my $self = shift; |
| 165 |
|
|
if ($writer) { |
| 166 |
|
|
warn "closing index\n"; |
| 167 |
|
|
$writer->close; |
| 168 |
|
|
} |
| 169 |
|
|
undef $writer; |
| 170 |
|
|
} |
| 171 |
|
|
|
| 172 |
|
|
sub _signal { |
| 173 |
|
|
my $s = shift; |
| 174 |
|
|
warn "catched SIG $s\n"; |
| 175 |
|
|
finish(); |
| 176 |
|
|
exit(0); |
| 177 |
|
|
} |
| 178 |
|
|
|
| 179 |
|
|
$SIG{'__DIE__'} = \&_signal; |
| 180 |
|
|
$SIG{'INT'} = \&_signal; |
| 181 |
|
|
$SIG{'QUIT'} = \&_signal; |
| 182 |
|
|
|
| 183 |
|
|
1; |
Parent Directory
| 
Revision Log