| 1 |
package Webpacus::Model::WebPAC; |
| 2 |
|
| 3 |
use strict; |
| 4 |
use warnings; |
| 5 |
use lib '/data/webpac2/lib'; |
| 6 |
use base qw/ |
| 7 |
Catalyst::Model |
| 8 |
/; |
| 9 |
use WebPAC::Store 0.08; |
| 10 |
use WebPAC::Search::Estraier 0.05; |
| 11 |
use File::Slurp; |
| 12 |
use Time::HiRes qw/time/; |
| 13 |
use Encode qw/encode decode from_to/; |
| 14 |
use Template; |
| 15 |
use Data::Dumper; |
| 16 |
|
| 17 |
=head1 NAME |
| 18 |
|
| 19 |
Webpacus::Model::WebPAC - Catalyst Model |
| 20 |
|
| 21 |
=head1 SYNOPSIS |
| 22 |
|
| 23 |
See L<Webpacus> and L<WebPAC>. |
| 24 |
|
| 25 |
=head1 DESCRIPTION |
| 26 |
|
| 27 |
Catalyst Model for access to WebPAC data. |
| 28 |
|
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=head2 new |
| 30 |
|
| 31 |
Configuration for hyperestraier in C<config.yaml> like this: |
| 32 |
|
| 33 |
--- #YAML:1.0 |
| 34 |
# DO NOT USE TABS FOR INDENTATION OR label/value SEPARATION!!! |
| 35 |
|
| 36 |
# configuration for hyper estraier full text search engine |
| 37 |
hyperestraier: |
| 38 |
masterurl: 'http://localhost:1978/node/webpac2' |
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defaultnode: 'webpac2' |
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defaultdepth: 1 |
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user: 'admin' |
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passwd: 'admin' |
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hits_on_page: 100 |
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hits_for_pager: 1000 |
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|
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webpac: |
| 47 |
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 |
| 51 |
webpac_encoding: 'iso-8859-2' |
| 52 |
|
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=cut |
| 54 |
|
| 55 |
sub new { |
| 56 |
my ( $self, $c, $config ) = @_; |
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|
| 58 |
$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; |
| 62 |
$self->{log} = $log; |
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|
| 64 |
my $est_cfg = $c->config->{hyperestraier}; |
| 65 |
$est_cfg->{'log'} = $log; |
| 66 |
|
| 67 |
$est_cfg->{encoding} = $est_cfg->{catalyst_encoding} || $c->config->{catalyst_encoding} or $c->log->fatal("can't find catalyst_encoding"); |
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|
| 69 |
$log->debug("using config:" . Dumper($est_cfg) ); |
| 70 |
|
| 71 |
if (! $est_cfg->{database}) { |
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my $defaultnode = $est_cfg->{defaultnode} || $log->logdie("can't find defaultnode in estraier configuration"); |
| 73 |
$log->info("using default node $defaultnode"); |
| 74 |
$est_cfg->{database} = $defaultnode; |
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} |
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|
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$self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } ); |
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|
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# save config parametars in object |
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foreach my $f (qw/db_path template_path hits_on_page webpac_encoding defaultdepth/) { |
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$self->{$f} = $c->config->{hyperestraier}->{$f} || |
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$c->config->{webpac}->{$f}; |
| 83 |
$log->debug("self->{$f} = " . $self->{$f}); |
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} |
| 85 |
my $db_path = $self->{db_path}; |
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my $template_path = $self->{template_path}; |
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|
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$log->debug("using db path '$db_path', template path '$template_path'"); |
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|
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$self->{db} = new WebPAC::Store( |
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path => $db_path, |
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read_only => 1, |
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database => $est_cfg->{database}, |
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); |
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|
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# default template from config.yaml |
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$self->{template} ||= $c->config->{webpac}->{template}; |
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|
| 99 |
$log->debug("converting encoding from webpac_encoding '" . |
| 100 |
$c->config->{webpac}->{webpac_encoding} . |
| 101 |
"'" |
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); |
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|
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$self->{databases} = $c->config->{databases} || $log->error("can't find databases in config"); |
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|
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# create Template toolkit instance |
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$self->{'tt'} = Template->new( |
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INCLUDE_PATH => $template_path, |
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FILTERS => { |
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dump_html => sub { |
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return unless (@_); |
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my $out; |
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my $i = 1; |
| 114 |
foreach my $v (@_) { |
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$out .= qq{<div id="dump_$i">} . |
| 116 |
Data::HTMLDumper->Dump([ $v ],[ "v$i" ]) . |
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qq{</div>}; |
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$i++; |
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} |
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$out =~ s!<table[^>/]*>!<table class="dump">!gis if ($out); |
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return $out; |
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} |
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}, |
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EVAL_PERL => 1, |
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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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|
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=head2 search |
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|
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my $m->search( |
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phrase => 'query phrase', |
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add_attr => \@add_attr |
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get_attr => [ '@uri' ], |
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max => 42, |
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template => 'result_template.tt', |
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depth => 1, |
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); |
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|
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All fields are standard C<WebPAC::Search::Estraier> parametars except |
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C<template> which will (if specified) return results in HTML using |
| 145 |
selected template. |
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|
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=cut |
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|
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sub search { |
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my $self = shift; |
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|
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my $search_start_t = time(); |
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|
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my $args = {@_}; |
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|
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my $log = $self->{log}; |
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|
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$log->debug("search args: " . Dumper( $args )); |
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|
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my $query = $args->{phrase} || $log->warn("no query phrase") && return; |
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|
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$log->debug("search model query: '$query'"); |
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if ($args->{add_attr}) { |
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$log->debug(" + add_attr: " . |
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join("','", @{ $args->{add_attr} }) |
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); |
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} |
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|
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my $template_filename = $args->{template} || $self->{template}; |
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|
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$args->{max} ||= $self->{'hits_for_pager'}; |
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if (! $args->{max}) { |
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$args->{max} = 100; |
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$log->warn("max not set when calling model. Using default of $args->{max}"); |
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} |
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|
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my $times; # store some times for benchmarking |
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|
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my $t = time(); |
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|
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# transfer depth of search |
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if (! $args->{depth}) { |
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my $default = $self->{defaultdepth} || $log->logdie("can't find defaultdepth in estraier configuration"); |
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$args->{depth} = $default; |
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$log->warn("using default search depth $default"); |
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} |
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|
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my @results = $self->{est}->search( %{ $args } ); |
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|
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$times->{est} += time() - $t; |
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|
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my $hits = $#results + 1; |
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|
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$log->debug( sprintf("search took %.6fs and returned $hits hits.", $times->{est}) ); |
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|
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# just return results? |
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return @results unless ($args->{'template'}); |
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|
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# |
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# construct HTML results |
| 201 |
# |
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|
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my @html_results; |
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|
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for my $i ( 0 .. $#results ) { |
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|
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my ($database, $prefix, $id); |
| 208 |
if ( $results[$i]->{'@uri'} =~ m!/([^/]+)/([^/]+)/(\d+)$!) { |
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($database, $prefix,$id) = ($1,$2,$3); |
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} else { |
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$log->warn("can't decode database/prefix/id from " . $results[$i]->{'@uri'}); |
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next; |
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} |
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|
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#$log->debug("load_ds( id => $id, prefix => '$prefix' )"); |
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|
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$t = time(); |
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|
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my $ds = $self->{db}->load_ds( database => $database, prefix => $prefix, id => $id ); |
| 220 |
if (! $ds) { |
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$log->error("can't load_ds( ${database}/${prefix}/${id} )"); |
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next; |
| 223 |
} |
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|
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$times->{db} += time() - $t; |
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|
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#$log->debug( "ds = " . Dumper( \@html_results ) ); |
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|
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$t = time(); |
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|
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my $html = $self->apply( |
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template => $template_filename, |
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data => $ds, |
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record_uri => "${database}/${prefix}/${id}", |
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config => $self->{databases}->{$database}, |
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); |
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|
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$times->{out} += time() - $t; |
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|
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$t = time(); |
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|
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$html = decode($self->{webpac_encoding}, $html); |
| 243 |
|
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push @html_results, $html; |
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|
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} |
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|
| 248 |
#$log->debug( '@html_results = ' . Dumper( \@html_results ) ); |
| 249 |
|
| 250 |
$log->debug( sprintf( |
| 251 |
"duration breakdown: store %.6fs, apply %.6fs, total: %.6fs", |
| 252 |
$times->{db}, $times->{out}, time() - $search_start_t, |
| 253 |
) ); |
| 254 |
|
| 255 |
return \@html_results; |
| 256 |
} |
| 257 |
|
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=head2 record |
| 259 |
|
| 260 |
my $html = $m->record( |
| 261 |
mfn => 42, |
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template => 'foo.tt', |
| 263 |
); |
| 264 |
|
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This will load one record, convert it to html using C<template> and return |
| 266 |
it. |
| 267 |
|
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=cut |
| 269 |
|
| 270 |
sub record { |
| 271 |
my $self = shift; |
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|
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my $args = {@_}; |
| 274 |
my $log = $self->{log}; |
| 275 |
$log->debug("record args: " . Dumper( $args )); |
| 276 |
|
| 277 |
foreach my $f (qw/record_uri template/) { |
| 278 |
$log->fatal("need $f") unless ($args->{$f}); |
| 279 |
} |
| 280 |
|
| 281 |
my ($database, $prefix, $id); |
| 282 |
|
| 283 |
if ($args->{record_uri} =~ m#^([^/]+)/([^/]+)/([^/]+)$#) { |
| 284 |
($database, $prefix, $id) = ($1,$2,$3); |
| 285 |
} else { |
| 286 |
$log->error("can't parse $args->{record_uri} into prefix, database and uri"); |
| 287 |
return; |
| 288 |
} |
| 289 |
|
| 290 |
my $ds = $self->{db}->load_ds( id => $id, prefix => $prefix, database => $database ); |
| 291 |
if (! $ds) { |
| 292 |
$log->error("can't load_ds( $database/$prefix/$id )"); |
| 293 |
return; |
| 294 |
} |
| 295 |
|
| 296 |
my $html = $self->apply( |
| 297 |
template => $args->{template}, |
| 298 |
data => $ds, |
| 299 |
record_uri => $args->{record_uri}, |
| 300 |
config => $self->{databases}->{$database}, |
| 301 |
); |
| 302 |
|
| 303 |
$html = decode($self->{webpac_encoding}, $html); |
| 304 |
|
| 305 |
return $html; |
| 306 |
} |
| 307 |
|
| 308 |
|
| 309 |
=head2 save_html |
| 310 |
|
| 311 |
$m->save_html( '/full/path/to/file', $content ); |
| 312 |
|
| 313 |
It will use C<Encode> to convert content encoding back to |
| 314 |
Webpac codepage, recode JavaScript Unicode entities (%u1234), |
| 315 |
strip extra newlines at beginning and end, and save to |
| 316 |
C</full/path/to/file.new> and if that succeeds, just rename |
| 317 |
it over original file which should be atomic on filesystem level. |
| 318 |
|
| 319 |
=cut |
| 320 |
|
| 321 |
sub save_html { |
| 322 |
my ($self, $path, $content) = @_; |
| 323 |
|
| 324 |
# FIXME Should this be UTF-8 or someting? |
| 325 |
my $js_encoding = $self->{webpac_encoding}; |
| 326 |
$js_encoding = 'UTF-16'; |
| 327 |
|
| 328 |
sub _conv_js { |
| 329 |
return '0x' . $_[1]; |
| 330 |
return encode($_[0], chr(hex($_[1]))); |
| 331 |
} |
| 332 |
#$content =~ s/%u([a-fA-F0-9]{4})/_conv_js($js_encoding,$1)/gex; |
| 333 |
$content =~ s/^[\n\r]+//s; |
| 334 |
$content =~ s/[\n\r]+$/\n/s; |
| 335 |
$content =~ s/\n\r/\n/gs; |
| 336 |
|
| 337 |
my $disk_encoding = $self->{webpac_encoding} || 'utf-8'; |
| 338 |
$self->{log}->debug("convert encoding to $disk_encoding"); |
| 339 |
from_to($content, 'utf-8', $disk_encoding) || $self->{log}->warn("encoding from utf-8 to $disk_encoding failed for: $content"); |
| 340 |
|
| 341 |
write_file($path . '.new', {binmode => ':raw' }, $content) || die "can't save ${path}.new $!"; |
| 342 |
rename $path . '.new', $path || die "can't rename to $path: $!"; |
| 343 |
} |
| 344 |
|
| 345 |
=head2 load_html |
| 346 |
|
| 347 |
my $html = $m->load_html('/full/path/to/file'); |
| 348 |
|
| 349 |
This will convert file from Webpac encoding to Catalyst and |
| 350 |
convert that data to escaped HTML (for sending into |
| 351 |
C<< <textarea/> >> tags in html. |
| 352 |
|
| 353 |
=cut |
| 354 |
|
| 355 |
sub load_html { |
| 356 |
my ($self, $path) = @_; |
| 357 |
|
| 358 |
die "no path?" unless ($path); |
| 359 |
|
| 360 |
my $content = read_file($path, {binmode => ':raw' }) || die "can't read $path: $!"; |
| 361 |
|
| 362 |
return decode($self->{webpac_encoding}, $content); |
| 363 |
} |
| 364 |
|
| 365 |
|
| 366 |
=head2 apply |
| 367 |
|
| 368 |
Create output from in-memory data structure using Template Toolkit template. |
| 369 |
|
| 370 |
my $text = $tt->apply( |
| 371 |
template => 'text.tt', |
| 372 |
data => $ds, |
| 373 |
record_uri => 'database/prefix/mfn', |
| 374 |
); |
| 375 |
|
| 376 |
It also has follwing template toolikit filter routies defined: |
| 377 |
|
| 378 |
=cut |
| 379 |
|
| 380 |
sub apply { |
| 381 |
my $self = shift; |
| 382 |
|
| 383 |
my $args = {@_}; |
| 384 |
|
| 385 |
my $log = $self->{log} || die "no log?"; |
| 386 |
|
| 387 |
foreach my $a (qw/template data/) { |
| 388 |
$log->logconfess("need $a") unless ($args->{$a}); |
| 389 |
} |
| 390 |
|
| 391 |
=head3 tt_filter_type |
| 392 |
|
| 393 |
filter to return values of specified from $ds, usage from TT template is in form |
| 394 |
C<d('FieldName','delimiter')>, where C<delimiter> is optional, like this: |
| 395 |
|
| 396 |
[% d('Title') %] |
| 397 |
[% d('Author',', ' %] |
| 398 |
|
| 399 |
=cut |
| 400 |
|
| 401 |
sub tt_filter_type { |
| 402 |
my ($data,$type) = @_; |
| 403 |
|
| 404 |
die "no data?" unless ($data); |
| 405 |
$type ||= 'display'; |
| 406 |
|
| 407 |
my $default_delimiter = { |
| 408 |
'display' => '¶<br/>', |
| 409 |
'index' => '\n', |
| 410 |
}; |
| 411 |
|
| 412 |
return sub { |
| 413 |
|
| 414 |
my ($name,$join) = @_; |
| 415 |
|
| 416 |
die "no data hash" unless ($data->{'data'} && ref($data->{'data'}) eq 'HASH'); |
| 417 |
# Hm? Should we die here? |
| 418 |
return unless ($name); |
| 419 |
|
| 420 |
my $item = $data->{'data'}->{$name} || return; |
| 421 |
|
| 422 |
my $v = $item->{$type} || return; |
| 423 |
|
| 424 |
if (ref($v) eq 'ARRAY') { |
| 425 |
if ($#{$v} == 0) { |
| 426 |
$v = $v->[0]; |
| 427 |
} else { |
| 428 |
$join = $default_delimiter->{$type} unless defined($join); |
| 429 |
$v = join($join, @{$v}); |
| 430 |
} |
| 431 |
} else { |
| 432 |
warn("TT filter $type(): field $name values aren't ARRAY, ignoring"); |
| 433 |
} |
| 434 |
|
| 435 |
return $v; |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
$args->{'d'} = tt_filter_type($args, 'display'); |
| 440 |
$args->{'display'} = tt_filter_type($args, 'display'); |
| 441 |
|
| 442 |
=head3 tt_filter_search |
| 443 |
|
| 444 |
filter to return links to search, usage in TT: |
| 445 |
|
| 446 |
[% search('FieldToDisplay','FieldToSearch','optional delimiter', 'optional_template.tt') %] |
| 447 |
|
| 448 |
=cut |
| 449 |
|
| 450 |
sub tt_filter_search { |
| 451 |
|
| 452 |
my ($data) = @_; |
| 453 |
|
| 454 |
die "no data?" unless ($data); |
| 455 |
|
| 456 |
return sub { |
| 457 |
|
| 458 |
my ($display,$search,$delimiter,$template) = @_; |
| 459 |
|
| 460 |
# default delimiter |
| 461 |
$delimiter ||= '¶<br/>', |
| 462 |
|
| 463 |
die "no data hash" unless ($data->{'data'} && ref($data->{'data'}) eq 'HASH'); |
| 464 |
# Hm? Should we die here? |
| 465 |
return unless ($display); |
| 466 |
|
| 467 |
my $item = $data->{'data'}->{$display} || return; |
| 468 |
|
| 469 |
return unless($item->{'display'}); |
| 470 |
if (! $item->{'search'}) { |
| 471 |
warn "error in TT template: field $display didn't insert anything into search, use d('$display') and not search('$display'...)"; |
| 472 |
return; |
| 473 |
} |
| 474 |
|
| 475 |
my @warn; |
| 476 |
foreach my $type (qw/display search/) { |
| 477 |
push @warn, "field $display type $type values aren't ARRAY" unless (ref($item->{$type}) eq 'ARRAY'); |
| 478 |
} |
| 479 |
|
| 480 |
if (@warn) { |
| 481 |
warn("TT filter search(): " . join(",", @warn) . ", skipping"); |
| 482 |
return; |
| 483 |
} |
| 484 |
my @html; |
| 485 |
|
| 486 |
my $d_el = $#{ $item->{'display'} }; |
| 487 |
my $s_el = $#{ $item->{'search'} }; |
| 488 |
|
| 489 |
# easy, both fields have same number of elements or there is just |
| 490 |
# one search and multiple display |
| 491 |
if ( $d_el == $s_el || $s_el == 0 ) { |
| 492 |
|
| 493 |
foreach my $i ( 0 .. $d_el ) { |
| 494 |
|
| 495 |
my $s; |
| 496 |
if ($s_el > 0) { |
| 497 |
$s = $item->{'search'}->[$i] || die "can't find value $i for type search in field $search"; |
| 498 |
} else { |
| 499 |
$s = $item->{'search'}->[0]; |
| 500 |
} |
| 501 |
#$s =~ s/([^\w.-])/sprintf("%%%02X",ord($1))/eg; |
| 502 |
$s = __quotemeta( $s ); |
| 503 |
|
| 504 |
my $d = $item->{'display'}->[$i] || die "can't find value $i for type display in field $display"; |
| 505 |
|
| 506 |
my $template_arg = ''; |
| 507 |
$template_arg = qq{,'$template'} if ($template); |
| 508 |
|
| 509 |
push @html, qq{<a href="#" onclick="return search_via_link('$search','$s'${template_arg})">$d</a>}; |
| 510 |
} |
| 511 |
|
| 512 |
return join($delimiter, @html); |
| 513 |
} else { |
| 514 |
my $html = qq{<div class="notice">WARNING: we should really support if there is $d_el display elements and $s_el search elements, but currently there is no nice way to do so, so we will just display values</div>}; |
| 515 |
my $v = $item->{'display'}; |
| 516 |
|
| 517 |
if ($#{$v} == 0) { |
| 518 |
$html .= $v->[0]; |
| 519 |
} else { |
| 520 |
$html .= join($delimiter, @{$v}); |
| 521 |
} |
| 522 |
return $html; |
| 523 |
} |
| 524 |
} |
| 525 |
} |
| 526 |
|
| 527 |
$args->{'search'} = tt_filter_search($args); |
| 528 |
|
| 529 |
=head3 load_rec |
| 530 |
|
| 531 |
Used mostly for onClick events like this: |
| 532 |
|
| 533 |
<a href="#" onClick="[% load_rec( record_uri, 'template_name.tt') %]>foo</a> |
| 534 |
|
| 535 |
It will automatically do sanity checking and create correct JavaScript code. |
| 536 |
|
| 537 |
=cut |
| 538 |
|
| 539 |
$args->{'load_rec'} = sub { |
| 540 |
my @errors; |
| 541 |
|
| 542 |
my $record_uri = shift or push @errors, "record_uri missing"; |
| 543 |
my $template = shift or push @errors, "template missing"; |
| 544 |
|
| 545 |
if ($record_uri !~ m#^[^/]+/[^/]+/[^/]+$#) { |
| 546 |
push @errors, "invalid format of record_uri: $record_uri"; |
| 547 |
} |
| 548 |
|
| 549 |
if (@errors) { |
| 550 |
return "Logger.error('errors in load_rec: " . join(", ", @errors) . "'); return false;"; |
| 551 |
} else { |
| 552 |
return "load_rec('$record_uri','$template'); return false;"; |
| 553 |
} |
| 554 |
}; |
| 555 |
|
| 556 |
=head3 load_template |
| 557 |
|
| 558 |
Used to re-submit search request and load results in different template |
| 559 |
|
| 560 |
<a href="#" onClick="[% load_template( 'template_name.tt' ) %]">bar</a> |
| 561 |
|
| 562 |
=cut |
| 563 |
|
| 564 |
$args->{'load_template'} = sub { |
| 565 |
my $template = shift or return "Logger.error('load_template missing template name!'); return false;"; |
| 566 |
return "load_template($template); return false;"; |
| 567 |
}; |
| 568 |
|
| 569 |
my $out; |
| 570 |
|
| 571 |
$self->{'tt'}->process( |
| 572 |
$args->{'template'}, |
| 573 |
$args, |
| 574 |
\$out |
| 575 |
) || $log->error( "apply can't process template: ", $self->{'tt'}->error() ); |
| 576 |
|
| 577 |
return $out; |
| 578 |
} |
| 579 |
|
| 580 |
|
| 581 |
=head2 __quotemeta |
| 582 |
|
| 583 |
Helper to quote JavaScript-friendly characters |
| 584 |
|
| 585 |
=cut |
| 586 |
|
| 587 |
sub __quotemeta { |
| 588 |
local $_ = shift; |
| 589 |
$_ = decode('iso-8859-2', $_); |
| 590 |
|
| 591 |
s<([\x{0080}-\x{fffd}]+)>{sprintf '\u%0*v4X', '\u', $1}ge if ( Encode::is_utf8($_) ); |
| 592 |
{ |
| 593 |
use bytes; |
| 594 |
s<((?:[^ \x21-\x7E]|(?:\\(?!u)))+)>{sprintf '\x%0*v2X', '\x', $1}ge; |
| 595 |
} |
| 596 |
|
| 597 |
s/\\x09/\\t/g; |
| 598 |
s/\\x0A/\\n/g; |
| 599 |
s/\\x0D/\\r/g; |
| 600 |
s/"/\\"/g; |
| 601 |
s/\\x5C/\\\\/g; |
| 602 |
|
| 603 |
return $_; |
| 604 |
} |
| 605 |
|
| 606 |
|
| 607 |
|
| 608 |
=head1 AUTHOR |
| 609 |
|
| 610 |
Dobrica Pavlinusic C<< <dpavlin@rot13.org> >> |
| 611 |
|
| 612 |
=head1 LICENSE |
| 613 |
|
| 614 |
This library is free software, you can redistribute it and/or modify |
| 615 |
it under the same terms as Perl itself. |
| 616 |
|
| 617 |
=cut |
| 618 |
|
| 619 |
1; |
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