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package WebPAC::Output::Estraier; |
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|
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use warnings; |
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use strict; |
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|
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use base qw/WebPAC::Common/; |
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|
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use HyperEstraier; |
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use Text::Iconv; |
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use Data::Dumper; |
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|
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=head1 NAME |
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|
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WebPAC::Output::Estraier - Create Hyper Estraier full text index |
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|
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=head1 VERSION |
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|
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Version 0.01 |
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|
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=cut |
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|
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our $VERSION = '0.01'; |
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|
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=head1 SYNOPSIS |
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|
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Create full text index using Hyper Estraier index from data with |
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type C<search>. |
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|
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=head1 FUNCTIONS |
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|
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=head2 new |
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|
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Connect to Hyper Estraier index using HTTP |
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|
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my $est = new WebPAC::Output::Estraier( |
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url => 'http://localhost:1978/node/webpac2', |
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user => 'admin', |
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passwd => 'admin', |
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database => 'demo', |
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encoding => 'iso-8859-2', |
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); |
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|
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Options are: |
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|
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=over 4 |
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|
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=item url |
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|
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URI to C<estmaster> node |
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|
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=item user |
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|
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C<estmaster> user with sufficient rights |
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|
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=item passwd |
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|
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password for user |
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|
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=item database |
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|
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name of database from which data comes |
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|
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=item encoding |
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|
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character encoding of C<data_structure> if it's differenet than C<ISO-8859-2> |
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(and it probably is). This encoding will be converted to C<UTF-8> for |
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Hyper Estraier. |
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|
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=back |
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|
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Name of database will be used to form URI of documents in index. |
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|
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=cut |
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|
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sub new { |
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my $class = shift; |
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my $self = {@_}; |
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bless($self, $class); |
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|
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my $log = $self->_get_logger; |
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|
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foreach my $p (qw/url user passwd/) { |
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$log->logdie("need $p") unless ($self->{$p}); |
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} |
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|
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$log->info("opening Hyper Estraier index $self->{'url'}"); |
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|
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$self->{'db'} = HyperEstraier::Node->new($self->{'url'}); |
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$self->{'db'}->set_auth($self->{'user'}, $self->{'passwd'}); |
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|
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my $encoding = $self->{'encoding'} || 'ISO-8859-2'; |
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$log->info("using encoding $encoding"); |
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|
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$self->{'iconv'} = new Text::Iconv($encoding, 'UTF-8') or |
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$log->die("can't create conversion from $encoding to UTF-8"); |
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|
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$self ? return $self : return undef; |
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} |
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|
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|
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=head2 add |
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|
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Adds one entry to database. |
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|
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$est->add( |
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id => 42, |
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ds => $ds, |
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type => 'display', |
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url_prefix => 'database name', |
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text => 'optional text from which snippet is created', |
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); |
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|
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This function will create entries in index using following URI format: |
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|
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C<file:///database%20name/000> |
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|
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Each tag in C<data_structure> with specified C<type> will create one |
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attribute and corresponding hidden text (used for search). |
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|
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=cut |
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|
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sub add { |
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my $self = shift; |
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|
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my $args = {@_}; |
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|
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my $log = $self->_get_logger; |
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|
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my $database = $self->{'database'} || $log->logconfess('no database in $self'); |
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$log->logconfess('need db in object') unless ($self->{'db'}); |
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|
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foreach my $p (qw/id ds type/) { |
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$log->logdie("need $p") unless ($args->{$p}); |
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} |
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|
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my $type = $args->{'type'}; |
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my $mfn = $args->{'id'}; |
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|
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my $uri = "file:///$type/$database/$mfn"; |
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$log->debug("creating $uri"); |
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|
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my $doc = HyperEstraier::Document->new; |
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$doc->add_attr('@uri', $self->{'iconv'}->convert($uri) ); |
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|
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$log->debug("ds = ", sub { Dumper($args->{'ds'}) } ); |
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|
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# filter all tags which have type defined |
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my @tags = grep { |
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defined( $args->{'ds'}->{$_}->{$type} ) |
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} keys %{ $args->{'ds'} }; |
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|
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$log->debug("tags = ", join(",", @tags)); |
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|
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return unless (@tags); |
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|
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foreach my $tag (@tags) { |
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|
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my $vals = join(" ", @{ $args->{'ds'}->{$tag}->{$type} }); |
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|
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$log->logconfess("no values for $tag/$type") unless ($vals); |
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|
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$vals = $self->{'iconv'}->convert( $vals ) or |
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$log->die("can't convert '$vals' to UTF-8"); |
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|
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$doc->add_attr( $tag, $vals ); |
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$doc->add_hidden_text( $vals ); |
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} |
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|
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my $text = $args->{'text'}; |
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if ( $text ) { |
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$text = $self->{'iconv'}->convert( $text ) or |
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$log->die("can't convert '$text' to UTF-8"); |
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$doc->add_text( $text ); |
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} |
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|
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$log->debug("adding ", sub { $doc->dump_draft } ); |
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$self->{'db'}->put_doc($doc) || $log->die("can't add document $uri to index"); |
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|
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return 1; |
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} |
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|
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=head1 AUTHOR |
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|
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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|
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=head1 COPYRIGHT & LICENSE |
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|
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Copyright 2005 Dobrica Pavlinusic, All Rights Reserved. |
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|
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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|
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=cut |
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|
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1; # End of WebPAC::Output::Estraier |
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