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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::Store 0.08; |
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use WebPAC::Output::TT 0.06; |
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use WebPAC::Search::Estraier 0.05; |
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use File::Slurp; |
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use Time::HiRes; |
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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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|
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See L<Webpacus> and L<WebPAC>. |
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|
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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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|
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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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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: |
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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'} = $log; |
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|
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$est_cfg->{encoding} = $est_cfg->{catalyst_encoding} || $c->config->{catalyst_encoding} or $c->log->fatal("can't find catalyst_encoding"); |
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|
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$log->debug("using config:" . Dumper($est_cfg) ); |
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|
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if (! $est_cfg->{database}) { |
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my $defaultnode = $est_cfg->{defaultnode} || $log->logdie("can't find defaultnode in estraier configuration"); |
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$log->info("using default node $defaultnode"); |
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$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 $f (qw/db_path template_path hits_on_page webpac_encoding out_encoding defaultdepth/) { |
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$self->{$f} = $c->config->{hyperestraier}->{$f} || |
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$c->config->{webpac}->{$f}; |
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$log->debug("self->{$f} = " . $self->{$f}); |
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} |
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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 => $est_cfg->{database}, |
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); |
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|
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$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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$c->config->{webpac}->{out_encoding} . |
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"'" |
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); |
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|
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$self->{databases} = $c->config->{databases} || $log->error("can't find databases in config"); |
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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 |
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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 $args = {@_}; |
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|
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my $log = $self->{log}; |
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|
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$log->debug("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 %.2fs 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 |
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# |
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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); |
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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 ); |
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if (! $ds) { |
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$log->error("can't load_ds( ${database}/${prefix}/${id} )"); |
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next; |
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} |
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|
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$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->{out}->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 = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html"); |
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|
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$times->{iconv} += time() - $t; |
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|
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push @html_results, $html; |
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|
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} |
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|
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#$log->debug( '@html_results = ' . Dumper( \@html_results ) ); |
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|
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$log->debug( sprintf( |
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"time spent: db = %.2f, out = %.2f, iconv = %.2f", |
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$times->{db}, $times->{out}, $times->{iconv}, |
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) ); |
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|
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return \@html_results; |
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} |
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|
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=head2 record |
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|
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my $html = $m->record( |
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mfn => 42, |
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template => 'foo.tt', |
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); |
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|
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This will load one record, convert it to html using C<template> and return |
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it. |
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|
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=cut |
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|
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sub record { |
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my $self = shift; |
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|
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my $args = {@_}; |
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my $log = $self->{log}; |
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$log->debug("args: " . Dumper( $args )); |
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|
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foreach my $f (qw/record_uri template/) { |
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$log->fatal("need $f") unless ($args->{$f}); |
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} |
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|
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my ($database, $prefix, $id); |
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|
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if ($args->{record_uri} =~ m#^([^/]+)/([^/]+)/([^/]+)$#) { |
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($database, $prefix, $id) = ($1,$2,$3); |
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} else { |
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$log->error("can't parse $args->{record_uri} into prefix, database and uri"); |
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return; |
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} |
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|
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my $ds = $self->{db}->load_ds( id => $id, prefix => $prefix, database => $database ); |
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if (! $ds) { |
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$log->error("can't load_ds( $database/$prefix/$id )"); |
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return; |
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} |
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|
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my $html = $self->{out}->apply( |
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template => $args->{template}, |
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data => $ds, |
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record_uri => $args->{record_uri}, |
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config => $self->{databases}->{$database}, |
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); |
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|
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$html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html"); |
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|
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return $html; |
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} |
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|
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|
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=head2 save_html |
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|
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$m->save_html( '/full/path/to/file', $content ); |
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|
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It will use C<Text::Iconv> to convert content encoding back to |
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Webpac codepage, recode JavaScript Unicode entities (%u1234), |
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strip extra newlines at beginning and end, and save to |
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C</full/path/to/file.new> and if that succeeds, just rename |
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it over original file which should be atomic on filesystem level. |
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|
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=cut |
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|
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sub save_html { |
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my ($self, $path, $content) = @_; |
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|
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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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$content =~ s/\n\r/\n/gs; |
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|
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my ($from, $to) = ( |
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$self->{out_encoding}, |
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$self->{webpac_encoding}, |
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); |
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|
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$self->{log}->debug("using iconv to convert from $from to $to encoding"); |
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|
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my $iconv_on_save = new Text::Iconv($from, $to) |
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|| $self->{log}->fatal("can't create iconv for saving"); |
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|
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$content = $iconv_on_save->convert( $content ) || die "no content?"; |
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|
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write_file($path . '.new', {binmode => ':raw' }, $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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|
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=head2 load_html |
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|
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my $html = $m->load_html('/full/path/to/file'); |
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|
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This will convert file from Webpac encoding to Catalyst and |
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convert that data to escaped HTML (for sending into |
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C<< <textarea/> >> tags in html. |
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|
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=cut |
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|
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sub load_html { |
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my ($self, $path) = @_; |
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|
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die "no path?" unless ($path); |
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|
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my $content = read_file($path, {binmode => ':raw' }) || 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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|
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return $content; |
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} |
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|
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=head1 AUTHOR |
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|
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Dobrica Pavlinusic |
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|
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=head1 LICENSE |
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|
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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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|
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=cut |
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|
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