/[webpac2]/Webpacus/lib/Webpacus/Controller/Search.pm
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Contents of /Webpacus/lib/Webpacus/Controller/Search.pm

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Revision 159 - (show annotations)
Sat Nov 26 16:22:02 2005 UTC (18 years, 5 months ago) by dpavlin
File size: 3722 byte(s)
 r11152@llin:  dpavlin | 2005-11-26 15:40:37 +0100
 added primitive pager

1 package Webpacus::Controller::Search;
2
3 use strict;
4 use warnings;
5 use base 'Catalyst::Controller';
6
7 use Data::Dumper;
8
9 use lib '/data/webpac2/lib';
10 use WebPAC::Search::Estraier 0.03;
11
12
13 =head1 NAME
14
15 Webpacus::Controller::Search - Search WebPAC data
16
17 =head1 SYNOPSIS
18
19 See L<WebPAC>, L<Webpacus>
20
21 =head1 DESCRIPTION
22
23 Catalyst Controller for search fields Hyper Estraier
24
25 =head1 METHODS
26
27 =over 4
28
29 =item default
30
31 =cut
32
33 sub default : Private {
34 my ( $self, $c ) = @_;
35 $c->stash->{template} = 'search.tt';
36 }
37
38 =item suggest
39
40 Returns results for URLs like C<search/suggest/FieldName>
41
42 It will return field from URL (C<FieldName> in example>) and use
43 same filed in paramerers (comming from form or URL) or if it doesn't
44 exist field named C<all>.
45
46 =cut
47
48 sub suggest : Regex('^search/suggest/*([^/]*)') {
49 my ( $self, $c ) = @_;
50
51 my $what = $c->request->snippets->[0];
52
53 my $log = $c->log;
54
55 my $webpac = $c->comp('Model::WebPAC');
56
57 my $q = $c->req->params->{$what} ||
58 $c->req->params->{all} || $c->res->output("no results");
59
60
61 $log->info("search for '$q' in $what\n");
62
63 my $max = $c->config->{'hits_for_suggest'};
64 if (! $max) {
65 $log->info("hits_for_suggest isn't defined, defaulting to 10");
66 $c->config->{'hits_for_suggest'} = 10;
67 $max = 10;
68 }
69
70 my @hits = $webpac->search(
71 phrase => $q,
72 max => $max,
73 get_attr => [ $what ],
74 );
75
76 my $used;
77 my @suggestions;
78
79 foreach my $res (@hits) {
80 my $v = $res->{ $what } || next;
81 next if ($used->{ $v }++);
82 push @suggestions, $v;
83 }
84
85 $log->debug( ($#suggestions + 1) . " unique hits returned");
86
87 $c->res->body( $c->prototype->auto_complete_result( \@suggestions ) );
88 }
89
90
91 # specify all Hyper Estraier operators which should stop this module
92 # from splitting search query and joining it with default operator
93 my $hest_op_regex = qr/(:?\[(:?BW|EW|RX)\]|AND|OR|ANDNOT)/;
94
95 =item results
96
97 Method which uses C<Model::WebPAC> and returns results for search query
98
99 =cut
100
101 sub results : Local {
102 my ( $self, $c ) = @_;
103
104 my $webpac = $c->comp('Model::WebPAC');
105 my $params = $c->req->params;
106 my $log = $c->log;
107
108 $log->debug("results got params: " . Dumper( $params ) );
109
110 my @attr;
111 my @words;
112 # default operator to join fields/words
113 my $operator = 'AND';
114
115 foreach my $f (keys %{ $params }) {
116
117 next if ($f =~ m/^_/o);
118
119 my $v = $params->{$f} || next;
120
121 if (my $op = $params->{ '_' . $f}) {
122 if ($v =~ $hest_op_regex) {
123 # don't split words if there is Hyper Estraier
124 # operator in them
125 push @words, $v;
126 } else {
127 push @words, join(" $op ", split(/\s+/, $v) );
128 }
129 } else {
130 push @words, $v;
131 }
132
133 next if ($f eq 'all'); # don't add_attr for magic field all
134
135 if ($v !~ /\s/) {
136 push @attr, "$f ISTRINC $v";
137 } else {
138 map {
139 push @attr, "$f ISTRINC $_";
140 } grep { ! $hest_op_regex } split(/\s+/, $v);
141 }
142 }
143
144 my $q = join(" $operator ", @words);
145
146 my $template = $params->{'_template'} || $c->config->{webpac}->{template};
147
148 $log->die("can't find _template or default from configuration!") unless ($template);
149
150 $log->debug("using template $template");
151
152 $c->stash->{html_results} = sub {
153 my $res = $webpac->search(
154 phrase => $q,
155 template => $template,
156 add_attr => \@attr,
157 get_attr => [ '@uri' ],
158 max => $c->config->{'hyperestraier'}->{'hits_on_page'},
159 page => $params->{'_page'},
160 );
161 # $log->debug("controller got " . ( $#{$res} + 1 ) . " results for '$q' " . Dumper( $res ));
162 return $res;
163 };
164
165 $c->stash->{phrase} = $q;
166 $c->stash->{attr} = \@attr;
167
168 $c->stash->{template} = 'results.tt';
169 }
170
171 =back
172
173
174 =head1 AUTHOR
175
176 Dobrica Pavlinusic C<< <dpavlin@rot13.org> >>
177
178 =head1 LICENSE
179
180 This library is free software, you can redistribute it and/or modify
181 it under the same terms as Perl itself.
182
183 =cut
184
185 1;

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