/[webpac2]/Webpacus/lib/Webpacus/Model/WebPAC.pm
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Contents of /Webpacus/lib/Webpacus/Model/WebPAC.pm

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Revision 143 - (show annotations)
Fri Nov 25 01:24:31 2005 UTC (18 years, 5 months ago) by dpavlin
File size: 5209 byte(s)
 r9125@llin:  dpavlin | 2005-11-25 02:25:59 +0100
 added hits_on_page and hits_for_suggest to fine-tune your queries (and speed)

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 Data::Dumper;
10 use WebPAC::DB;
11 use WebPAC::Output::TT;
12 use WebPAC::Search::Estraier 0.02;
13 use File::Slurp;
14
15 =head1 NAME
16
17 Webpacus::Model::WebPAC - Catalyst Model
18
19 =head1 SYNOPSIS
20
21 See L<Webpacus> and L<WebPAC>.
22
23 =head1 DESCRIPTION
24
25 Catalyst Model for access to WebPAC data.
26
27 =head2 new
28
29 Configuration for hyperestraier in C<config.yaml> like this:
30
31 --- #YAML:1.0
32 # DO NOT USE TABS FOR INDENTATION OR label/value SEPARATION!!!
33
34 # configuration for hyper estraier full text search engine
35 hyperestraier:
36 url: 'http://localhost:1978/node/webpac2'
37 user: 'admin'
38 passwd: 'admin'
39 hits_on_page: 100
40
41 webpac:
42 db_path: '/data/webpac2/db'
43 template_path: '/data/webpac2/conf/output/tt'
44 template: 'html_ffzg_results_short.tt'
45 # encoding comming from webpac
46 webpac_encoding: 'iso-8859-2'
47 # encoding expected by Catalyst
48 out_encoding: 'UTF-8'
49
50 =cut
51
52 sub new {
53 my ( $self, $c, $config ) = @_;
54
55 $self = $self->NEXT::new($c, $config);
56 $self->config($config);
57
58 my $log = $c->log;
59 $self->{log} = $log;
60
61 my $est_cfg = $c->config->{hyperestraier};
62 $est_cfg->{'log'} = $log;
63
64 $est_cfg->{encoding} = $est_cfg->{catalyst_encoding};
65
66 $log->debug("using config:" . Dumper($est_cfg) );
67
68 $self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } );
69
70 my $db_path = $c->config->{webpac}->{db_path};
71 my $template_path = $c->config->{webpac}->{template_path};
72 $self->{template_path} = $template_path;
73
74 $log->debug("using db path '$db_path', template path '$template_path'");
75
76 $self->{db} = new WebPAC::DB(
77 path => $db_path,
78 read_only => 1,
79 );
80
81 $self->{out} = new WebPAC::Output::TT(
82 include_path => $template_path,
83 filters => { foo => sub { shift } },
84 );
85
86 # default template from config.yaml
87 $self->{template} ||= $c->config->{webpac}->{template};
88
89 $self->{iconv} = new Text::Iconv(
90 $c->config->{webpac}->{webpac_encoding},
91 $c->config->{webpac}->{out_encoding}
92 );
93
94 $log->debug("converting encoding from webpac_encoding '" .
95 $c->config->{webpac}->{webpac_encoding} .
96 "' to '" .
97 $c->config->{webpac}->{out_encoding} .
98 "'"
99 );
100
101 return $self;
102
103 }
104
105 =head2 iconv_on_save
106
107 my $out = $m->iconv_on_save( $content );
108
109 Convert data saved to disk in Webpac encoding.
110
111 =cut
112
113 sub iconv_on_save {
114 my $self = shift;
115
116 $self->{iconv_save} ||= new Text::Iconv(
117 $self->config->{webpac}->{out_encoding},
118 $self->config->{webpac}->{webpac_encoding},
119 );
120
121 $self->{iconv_save}->convert( @_ );
122 }
123
124
125 =head2 search
126
127 my $m->search( 'query phrase', 'result_template.tt', \@add_attr );
128
129 =cut
130
131 sub search {
132 my ( $self, $query, $template, $add_attr ) = @_;
133
134 my $log = $self->{log};
135
136 $log->debug("search model query: '$query', add_attr: '" . join("','", @{$add_attr}) . "'");
137
138 my $template_filename = $template || $self->{template};
139
140 my @results = $self->{est}->search(
141 phrase => $query,
142 get_attr => [ '@uri' ],
143 max => $self->{est}->{hits_on_page} || 30,
144 add_attr => $add_attr,
145 );
146
147 $log->debug("loading " . ($#results + 1) . " results");
148
149 my @html_results;
150
151 for my $i ( 0 .. $#results ) {
152
153 my $mfn = $1 if ( $results[$i]->{'@uri'} =~ m#/(\d+)$#);
154
155 #$log->debug("load_ds( $mfn )");
156
157 my $ds = $self->{db}->load_ds( $mfn ) || $log->error("can't load_ds( $mfn )") && next;
158
159 #$log->debug( "ds = " . Dumper( \@html_results ) );
160
161 my $html = $self->{out}->apply(
162 template => $template_filename,
163 data => $ds,
164 );
165
166 $html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html");
167
168 push @html_results, $html;
169
170 }
171
172 #$log->debug( '@html_results = ' . Dumper( \@html_results ) );
173
174 return \@html_results;
175 }
176
177 =head2 save_html
178
179 $m->save_html( '/full/path/to/file', $content );
180
181 It will use C<iconv_on_save> to convert content encoding back to
182 Webpac codepage, recode JavaScript Unicode entities (%u1234),
183 strip extra newlines at beginning and end, and save to
184 C</full/path/to/file.new> and if that succeeds, just rename
185 it over original file which should be atomic on filesystem level.
186
187 =cut
188
189 sub save_html {
190 my ($self, $path, $content) = @_;
191
192 $content = $self->iconv_on_save( $content ) || die "no content?";
193
194 sub _conv_js {
195 my $t = shift || return;
196 return $self->{iconv}->convert(chr(hex($t)));
197 }
198 $content =~ s/%u([a-fA-F0-9]{4})/_conv_js($1)/gex;
199 $content =~ s/^[\n\r]+//s;
200 $content =~ s/[\n\r]+$/\n/s;
201
202 write_file($path . '.new', $content) || die "can't save ${path}.new $!";
203 rename $path . '.new', $path || die "can't rename to $path: $!";
204 }
205
206 =head2 load_html
207
208 my $html = $m->load_html('/full/path/to/file');
209
210 This will convert file from Webpac encoding to Catalyst and
211 convert that data to escaped HTML (for sending into
212 C<< <textarea/> >> tags in html.
213
214 =cut
215
216 sub load_html {
217 my ($self, $path) = @_;
218
219 die "no path?" unless ($path);
220
221 my $content = read_file($path) || die "can't read $path: $!";
222 #$content = $q->escapeHTML($iconv_utf8->convert($content));
223 $content = $self->{iconv}->convert($content);
224
225 return $content;
226 }
227
228 =head1 AUTHOR
229
230 Dobrica Pavlinusic
231
232 =head1 LICENSE
233
234 This library is free software, you can redistribute it and/or modify
235 it under the same terms as Perl itself.
236
237 =cut
238
239 1;

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