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package PGXN::API::Searcher; |
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125445
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use 5.10.0; |
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use utf8; |
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use File::Spec; |
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use Lucy::Search::QueryParser; |
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2328
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use Lucy::Search::IndexSearcher; |
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use Lucy::Highlight::Highlighter; |
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use Carp; |
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our $VERSION = v0.10.1; |
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sub new { |
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76822
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my ($class, $path) = @_; |
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my %parsers; |
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for my $iname (qw(docs dists extensions users tags)) { |
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my $p = $parsers{$iname} = Lucy::Search::QueryParser->new( |
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schema => Lucy::Search::IndexSearcher->new( |
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index => File::Spec->catdir($path, '_index', $iname) |
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)->get_schema, |
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); |
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6302
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$p->set_heed_colons(1); # XXX Soon to be deprecated. |
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} |
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bless { |
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doc_root => $path, |
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parsers => \%parsers, |
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} => $class; |
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} |
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sub doc_root { shift->{doc_root} } |
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sub parsers { shift->{parsers} } |
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my %highlightable = ( |
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docs => 'body', |
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dists => 'readme', |
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extensions => 'abstract', |
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users => 'details', |
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tags => undef, |
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); |
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my %fields = ( |
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docs => [qw(title abstract dist version docpath date user user_name)], |
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dists => [qw(dist version abstract date user user_name)], |
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extensions => [qw(extension abstract dist version docpath date user user_name)], |
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users => [qw(user name uri)], |
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tags => [qw(tag)], |
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); |
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sub search { |
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17192
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my ($self, %params) = @_; |
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100
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my $iname = $params{in} || 'docs'; |
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my $query = $self->{parsers}{$iname}->parse($params{query}); |
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100
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my $limit = ($params{limit} ||= 50) < 1024 ? $params{limit} : 50; |
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my $searcher = Lucy::Search::IndexSearcher->new( |
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index => File::Spec->catdir($self->doc_root, '_index', $iname) |
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); |
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17790
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my $hits = $searcher->hits( |
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query => $query, |
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offset => $params{offset}, |
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num_wanted => $limit, |
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); |
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64
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# Arrange for highlighted excerpts to be created. |
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10
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my $highlighter; |
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if (my $field = $highlightable{$iname}) { |
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10
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563
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my $h = Lucy::Highlight::Highlighter->new( |
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searcher => $searcher, |
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query => $query, |
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field => $field, |
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); |
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$highlighter = sub { |
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1158
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return excerpt => $h->create_excerpt(shift); |
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}; |
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} else { |
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0
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$highlighter = sub { }; |
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} |
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79
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10
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100
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181
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my %ret = ( |
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query => $params{query}, |
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offset => $params{offset} || 0, |
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limit => $limit, |
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count => $hits->total_hits, |
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hits => my $res = [], |
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); |
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87
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# Create result list. |
88
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10
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444
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while ( my $hit = $hits->next ) { |
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13
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292
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push @{ $res } => { |
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83
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644
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90
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score => sprintf( "%0.3f", $hit->get_score ), |
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$highlighter->($hit), |
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25
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map { $_ => $hit->{$_} } @{ $fields{$iname} } |
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93
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}; |
94
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} |
95
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96
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10
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34736
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return \%ret; |
97
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} |
98
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99
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1; |
100
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101
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__END__ |