Webpacus/Model/WebPAC.pm

package Webpacus::Model::WebPAC;

use strict;
use warnings;
use lib '/data/webpac2/lib';
use base qw/
        Catalyst::Model
        WebPAC::Search::Estraier
/;
use Data::Dumper;
use WebPAC::DB;
use WebPAC::Output::TT;

=head1 NAME

Webpacus::Model::WebPAC - Catalyst Model

=head1 SYNOPSIS

See L<Webpacus> and L<WebPAC>.

=head1 DESCRIPTION

Catalyst Model for access to WebPAC data.

=head2 new

Configuration for hyperestraier in C<config.yaml> like this:

 --- #YAML:1.0
 # DO NOT USE TABS FOR INDENTATION OR label/value SEPARATION!!!

 # configuration for hyper estraier full text search engine
 hyperestraier:
  url: 'http://localhost:1978/node/webpac2'
  user: 'admin'
  passwd: 'admin'

 webpac:
  db_path: '/data/webpac2/db'
  template_path: '/data/webpac2/conf/output/tt'
  template: 'html_ffzg_results_short.tt'
  # encoding comming from webpac
  webpac_encoding: 'iso-8859-2'
  # encoding expected by Catalyst
  out_encoding: 'UTF-8'

=cut

sub new {
        my ( $self, $c, $config ) = @_;

        $self = $self->NEXT::new($c, $config);
        $self->config($config);

        my $log = $c->log;
        $self->{log} = $log;

        my $est_cfg = $c->config->{hyperestraier};
        $est_cfg->{'log'} = $log;

        $log->debug("using config:" . Dumper($est_cfg) );

        $self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } );

        my $db_path = $c->config->{webpac}->{db_path};
        my $template_path = $c->config->{webpac}->{template_path};

        $log->debug("using db path '$db_path', template path '$template_path'");

        $self->{db} = new WebPAC::DB(
                path => $db_path,
                read_only => 1,
        );

        $self->{out} = new WebPAC::Output::TT(
                include_path => $template_path,
                filters => { foo => sub { shift } },
        );

        # default template from config.yaml
        $self->{template} ||= $c->config->{webpac}->{template};

        $self->{iconv} = new Text::Iconv(
                $c->config->{webpac}->{webpac_encoding},
                $c->config->{webpac}->{out_encoding}
        );

        $log->debug("converting encoding from webpac_encoding '" .
                $c->config->{webpac}->{webpac_encoding} .
                "' to '" .
                $c->config->{webpac}->{out_encoding} .
                "'"
        );

        return $self;

}

sub search {
        my ( $self, $query, $template ) = @_;

        my $log = $self->{log};

        $log->debug("search model query: -->$query<--");

        my $template_filename = $template || $self->{template};

        my @results = $self->{est}->search(
                query => $query,
                attr => [ '@uri' ],
                max => 100,
        );

        $log->debug("loading " . ($#results + 1) . " results");

        my @html_results;

        for my $i ( 0 .. $#results ) {

                my $mfn = $1 if ( $results[$i]->{'@uri'} =~ m#/(\d+)$#);

                #$log->debug("load_ds( $mfn )");

                my $ds = $self->{db}->load_ds( $mfn ) || $log->error("can't load_ds( $mfn )") && next;
        
                #$log->debug( "ds = " . Dumper( \@html_results ) );

                my $html = $self->{out}->apply(
                        template => $template_filename,
                        data => $ds,
                );

                $html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html");

                push @html_results, $html;

        }

        #$log->debug( '@html_results = ' . Dumper( \@html_results ) );

        return \@html_results;
}


=head1 AUTHOR

Dobrica Pavlinusic

=head1 LICENSE

This library is free software, you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut

1;
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	WebPAC::Search::Estraier
9	/;
10	use Data::Dumper;
11	use WebPAC::DB;
12	use WebPAC::Output::TT;
13
14	=head1 NAME
15
16	Webpacus::Model::WebPAC - Catalyst Model
17
18	=head1 SYNOPSIS
19
20	See L<Webpacus> and L<WebPAC>.
21
22	=head1 DESCRIPTION
23
24	Catalyst Model for access to WebPAC data.
25
26	=head2 new
27
28	Configuration for hyperestraier in C<config.yaml> like this:
29
30	--- #YAML:1.0
31	# DO NOT USE TABS FOR INDENTATION OR label/value SEPARATION!!!
32
33	# configuration for hyper estraier full text search engine
34	hyperestraier:
35	url: 'http://localhost:1978/node/webpac2'
36	user: 'admin'
37	passwd: 'admin'
38
39	webpac:
40	db_path: '/data/webpac2/db'
41	template_path: '/data/webpac2/conf/output/tt'
42	template: 'html_ffzg_results_short.tt'
43	# encoding comming from webpac
44	webpac_encoding: 'iso-8859-2'
45	# encoding expected by Catalyst
46	out_encoding: 'UTF-8'
47
48	=cut
49
50	sub new {
51	my ( $self, $c, $config ) = @_;
52
53	$self = $self->NEXT::new($c, $config);
54	$self->config($config);
55
56	my $log = $c->log;
57	$self->{log} = $log;
58
59	my $est_cfg = $c->config->{hyperestraier};
60	$est_cfg->{'log'} = $log;
61
62	$log->debug("using config:" . Dumper($est_cfg) );
63
64	$self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } );
65
66	my $db_path = $c->config->{webpac}->{db_path};
67	my $template_path = $c->config->{webpac}->{template_path};
68
69	$log->debug("using db path '$db_path', template path '$template_path'");
70
71	$self->{db} = new WebPAC::DB(
72	path => $db_path,
73	read_only => 1,
74	);
75
76	$self->{out} = new WebPAC::Output::TT(
77	include_path => $template_path,
78	filters => { foo => sub { shift } },
79	);
80
81	# default template from config.yaml
82	$self->{template} \|\|= $c->config->{webpac}->{template};
83
84	$self->{iconv} = new Text::Iconv(
85	$c->config->{webpac}->{webpac_encoding},
86	$c->config->{webpac}->{out_encoding}
87	);
88
89	$log->debug("converting encoding from webpac_encoding '" .
90	$c->config->{webpac}->{webpac_encoding} .
91	"' to '" .
92	$c->config->{webpac}->{out_encoding} .
93	"'"
94	);
95
96	return $self;
97
98	}
99
100	sub search {
101	my ( $self, $query, $template ) = @_;
102
103	my $log = $self->{log};
104
105	$log->debug("search model query: -->$query<--");
106
107	my $template_filename = $template \|\| $self->{template};
108
109	my @results = $self->{est}->search(
110	query => $query,
111	attr => [ '@uri' ],
112	max => 100,
113	);
114
115	$log->debug("loading " . ($#results + 1) . " results");
116
117	my @html_results;
118
119	for my $i ( 0 .. $#results ) {
120
121	my $mfn = $1 if ( $results[$i]->{'@uri'} =~ m#/(\d+)$#);
122
123	#$log->debug("load_ds( $mfn )");
124
125	my $ds = $self->{db}->load_ds( $mfn ) \|\| $log->error("can't load_ds( $mfn )") && next;
126
127	#$log->debug( "ds = " . Dumper( \@html_results ) );
128
129	my $html = $self->{out}->apply(
130	template => $template_filename,
131	data => $ds,
132	);
133
134	$html = $self->{iconv}->convert( $html ) \|\| $log->error("can't convert: $html");
135
136	push @html_results, $html;
137
138	}
139
140	#$log->debug( '@html_results = ' . Dumper( \@html_results ) );
141
142	return \@html_results;
143	}
144
145
146
147
148	=head1 AUTHOR
149
150	Dobrica Pavlinusic
151
152	=head1 LICENSE
153
154	This library is free software, you can redistribute it and/or modify
155	it under the same terms as Perl itself.
156
157	=cut
158
159	1;