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package Webpacus::Model::WebPAC; |
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|
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use strict; |
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use warnings; |
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use lib '/data/webpac2/lib'; |
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use base qw/ |
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Catalyst::Model |
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/; |
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use Data::Dumper; |
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use WebPAC::DB; |
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use WebPAC::Output::TT; |
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use WebPAC::Search::Estraier 0.02; |
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use File::Slurp; |
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|
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=head1 NAME |
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|
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Webpacus::Model::WebPAC - Catalyst Model |
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|
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=head1 SYNOPSIS |
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See L<Webpacus> and L<WebPAC>. |
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=head1 DESCRIPTION |
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|
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Catalyst Model for access to WebPAC data. |
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=head2 new |
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|
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Configuration for hyperestraier in C<config.yaml> like this: |
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|
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--- #YAML:1.0 |
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# DO NOT USE TABS FOR INDENTATION OR label/value SEPARATION!!! |
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|
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# configuration for hyper estraier full text search engine |
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hyperestraier: |
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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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|
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webpac: |
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db_path: '/data/webpac2/db' |
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template_path: '/data/webpac2/conf/output/tt' |
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template: 'html_ffzg_results_short.tt' |
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# encoding comming from webpac |
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webpac_encoding: 'iso-8859-2' |
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# encoding expected by Catalyst |
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out_encoding: 'UTF-8' |
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|
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=cut |
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|
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sub new { |
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my ( $self, $c, $config ) = @_; |
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|
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$self = $self->NEXT::new($c, $config); |
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$self->config($config); |
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|
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my $log = $c->log; |
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$self->{log} = $log; |
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|
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my $est_cfg = $c->config->{hyperestraier}; |
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$est_cfg->{'log'} = $log; |
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$log->debug("using config:" . Dumper($est_cfg) ); |
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|
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$self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } ); |
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|
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my $db_path = $c->config->{webpac}->{db_path}; |
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my $template_path = $c->config->{webpac}->{template_path}; |
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$self->{template_path} = $template_path; |
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|
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$log->debug("using db path '$db_path', template path '$template_path'"); |
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|
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$self->{db} = new WebPAC::DB( |
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path => $db_path, |
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read_only => 1, |
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); |
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|
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$self->{out} = new WebPAC::Output::TT( |
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include_path => $template_path, |
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filters => { foo => sub { shift } }, |
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); |
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|
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# default template from config.yaml |
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$self->{template} ||= $c->config->{webpac}->{template}; |
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|
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$self->{iconv} = new Text::Iconv( |
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$c->config->{webpac}->{webpac_encoding}, |
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$c->config->{webpac}->{out_encoding} |
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); |
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|
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$log->debug("converting encoding from webpac_encoding '" . |
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$c->config->{webpac}->{webpac_encoding} . |
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"' to '" . |
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$c->config->{webpac}->{out_encoding} . |
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"'" |
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); |
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|
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return $self; |
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|
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} |
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|
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=head2 iconv_on_save |
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|
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my $out = $m->iconv_on_save( $content ); |
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Convert data saved to disk in Webpac encoding. |
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=cut |
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sub iconv_on_save { |
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my $self = shift; |
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$self->{iconv_save} ||= new Text::Iconv( |
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$self->config->{webpac}->{out_encoding}, |
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$self->config->{webpac}->{webpac_encoding}, |
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); |
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$self->{iconv_save}->convert( @_ ); |
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} |
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=head2 search |
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|
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my $m->search( 'query phrase', 'result_template.tt', \@add_attr ); |
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=cut |
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sub search { |
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my ( $self, $query, $template, $add_attr ) = @_; |
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my $log = $self->{log}; |
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$log->debug("search model query: '$query', add_attr: '" . join("','", @{$add_attr}) . "'"); |
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my $template_filename = $template || $self->{template}; |
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my @results = $self->{est}->search( |
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phrase => $query, |
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get_attr => [ '@uri' ], |
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max => 100, |
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add_attr => $add_attr, |
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); |
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$log->debug("loading " . ($#results + 1) . " results"); |
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my @html_results; |
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for my $i ( 0 .. $#results ) { |
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my $mfn = $1 if ( $results[$i]->{'@uri'} =~ m#/(\d+)$#); |
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#$log->debug("load_ds( $mfn )"); |
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my $ds = $self->{db}->load_ds( $mfn ) || $log->error("can't load_ds( $mfn )") && next; |
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#$log->debug( "ds = " . Dumper( \@html_results ) ); |
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my $html = $self->{out}->apply( |
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template => $template_filename, |
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data => $ds, |
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); |
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$html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html"); |
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push @html_results, $html; |
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} |
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#$log->debug( '@html_results = ' . Dumper( \@html_results ) ); |
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return \@html_results; |
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} |
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=head2 save_html |
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$m->save_html( '/full/path/to/file', $content ); |
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|
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It will use C<iconv_on_save> to convert content encoding back to |
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Webpac codepage, recode JavaScript Unicode entities (%u1234), |
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strip extra newlines at beginning and end, and save to |
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C</full/path/to/file.new> and if that succeeds, just rename |
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it over original file which should be atomic on filesystem level. |
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|
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=cut |
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|
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sub save_html { |
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my ($self, $path, $content) = @_; |
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$content = $self->iconv_on_save( $content ) || die "no content?"; |
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|
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sub _conv_js { |
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my $t = shift || return; |
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return $self->{iconv}->convert(chr(hex($t))); |
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} |
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$content =~ s/%u([a-fA-F0-9]{4})/_conv_js($1)/gex; |
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$content =~ s/^[\n\r]+//s; |
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$content =~ s/[\n\r]+$/\n/s; |
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write_file($path . '.new', $content) || die "can't save ${path}.new $!"; |
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rename $path . '.new', $path || die "can't rename to $path: $!"; |
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} |
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=head2 load_html |
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my $html = $m->load_html('/full/path/to/file'); |
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This will convert file from Webpac encoding to Catalyst and |
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convert that data to escaped HTML (for sending into |
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C<< <textarea/> >> tags in html. |
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=cut |
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sub load_html { |
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my ($self, $path) = @_; |
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die "no path?" unless ($path); |
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my $content = read_file($path) || die "can't read $path: $!"; |
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#$content = $q->escapeHTML($iconv_utf8->convert($content)); |
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$content = $self->{iconv}->convert($content); |
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return $content; |
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} |
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=head1 AUTHOR |
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Dobrica Pavlinusic |
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=head1 LICENSE |
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This library is free software, you can redistribute it and/or modify |
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it under the same terms as Perl itself. |
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=cut |
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