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dpavlin |
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package Grep::Search; |
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use strict; |
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use warnings; |
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use base qw( |
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Class::Accessor |
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Grep::Search::Estraier |
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); |
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=for alternative |
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Grep::Search::Estraier |
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Grep::Search::KinoSearch |
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=cut |
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Grep::Search->mk_accessors( qw( create hits ) ); |
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sub log { Jifty->web->log } |
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use Data::Dump qw/dump/; |
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use Jifty::Util; |
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my $debug = 0; |
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=head1 NAME |
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Grep::Search - full text search L<Grep::Model::Item> |
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=head1 METHODS |
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=head2 new |
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my $search = Grep::Search->new(); |
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my $search = Grep::Search->new( create => 1 ); |
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=cut |
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=head2 add |
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$search->add( $record, $owner_id ); |
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=cut |
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sub add { |
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my $self = shift; |
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my $i = shift or die "no record to add"; |
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my $uid = shift; |
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die "record not Jifty::Record but ", ref $i unless ($i->isa('Jifty::Record')); |
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my $pk = { $i->primary_keys }; |
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my $doc; |
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my @columns = map { $_->name } $i->columns; |
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foreach my $c ( @columns ) { |
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my $v = $i->$c; |
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if ( ref($v) ne '' ) { |
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foreach my $f_c ( qw/id name title/ ) { |
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if ( $i->$c->can( $f_c ) ) { |
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my $f_v = $i->$c->$f_c || $i->$c->{values}->{ $f_c }; |
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my $col = $c . '_' . $f_c; |
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if ( $f_v ) { |
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warn " # $col = $f_v\n" if ($debug); |
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$doc->{ $col } = $f_v; |
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} else { |
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warn " . $col is NULL\n" if ($debug); |
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} |
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} |
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} |
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if ($v->isa('Jifty::DateTime')) { |
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warn " d $c = $v\n" if ($debug); |
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$doc->{$c} = $v; |
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} else { |
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warn " s $c = $v [",ref($v),"]\n" if ($debug); |
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} |
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next; |
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} |
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next if (! defined($v) || $v eq ''); |
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eval { $v =~ s/<[^>]+>/ /gs; }; |
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if ($@) { |
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Jifty->log->error("can't strip html from $c in item ", $i->id); |
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next; |
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} |
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if ( defined( $pk->{$c} ) ) { |
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$doc->{ $c } = $v; |
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warn " * $c = $v\n" if ($debug); |
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} else { |
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$doc->{ $c } = $v; |
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warn " + $c = ", $self->snippet( 50, $v ), "\n" if ($debug); |
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} |
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} |
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# add _owner_id to speed up filtering of search results |
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$uid ||= Jifty->web->current_user->id; |
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$doc->{ '_owner_id' } = $uid; |
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$self->SUPER::add( $doc ); |
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$self->log->debug("added ", $i->id, " for user $uid to index"); |
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return 1; |
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} |
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=head2 collection |
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Return C<Grep::Model::ItemCollection> which is result of C<search query> |
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my $ItemCollection = $search->collection( 'search query' ); |
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=head2 hits |
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Return number of results from last C<collection> call |
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my $num_results = $search->hits; |
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=cut |
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sub collection { |
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my $self = shift; |
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my $q = shift or die "no q?"; |
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my $full_q = "($q)"; |
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my $uid = Jifty->web->current_user->id; |
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$full_q .= ' AND _owner_id:' . $uid if (defined $uid); |
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$self->log->debug("searching for '$q' using $full_q"); |
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my $next_hit = $self->search( $full_q ); |
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$self->log->debug("found ", $self->hits, " results"); |
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my $collection = Grep::Model::ItemCollection->new(); |
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my @results; |
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my $i = 0; |
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while ( my $hit = $next_hit->() ) { |
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my $score = $hit->{score}; |
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my $title = $hit->{title}; |
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my $id = $hit->{id}; |
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$self->log->debug("result $i [$id] $title $score"); |
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my $item = Grep::Model::Item->new(); |
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my ($ok,$msg) = $item->load_by_cols( id => $id ); |
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if ( $ok ) { |
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$collection->add_record( $item ); |
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} else { |
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warn "can't load item $id\n"; |
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} |
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} |
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$self->log->debug("finished search"); |
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return $collection; |
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} |
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=head2 snippet |
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my $short = $self->snippet( 50, $text ); |
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=cut |
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sub snippet { |
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my $self = shift; |
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my $len = shift or die "no len?"; |
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my $m = join(" ", @_); |
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$m =~ s/\s+/ /gs; |
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if (length($m) > $len) { |
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return substr($m,0,$len) . '...'; |
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} else { |
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return $m; |
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} |
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} |
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