/[webpac2]/Webpacus/lib/Webpacus/Controller/Search.pm
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revision 116 by dpavlin, Wed Nov 23 21:52:20 2005 UTC revision 283 by dpavlin, Sat Dec 17 23:41:10 2005 UTC
# Line 4  use strict; Line 4  use strict;
4  use warnings;  use warnings;
5  use base 'Catalyst::Controller';  use base 'Catalyst::Controller';
6    
7    use Data::Dumper;
8    
9  use lib '/data/webpac2/lib';  use lib '/data/webpac2/lib';
10  use WebPAC::Search::Estraier;  use WebPAC::Search::Estraier 0.03;
11    
12    
13  =head1 NAME  =head1 NAME
14    
15  Webpacus::Controller::Search - Catalyst Controller  Webpacus::Controller::Search - Search WebPAC data
16    
17  =head1 SYNOPSIS  =head1 SYNOPSIS
18    
19  See L<Webpacus>  See L<WebPAC>, L<Webpacus>
20    
21  =head1 DESCRIPTION  =head1 DESCRIPTION
22    
23  Catalyst Controller for autocompleting search fields.  Catalyst Controller for search fields Hyper Estraier
24    
25  =head1 METHODS  =head1 METHODS
26    
# Line 29  Catalyst Controller for autocompleting s Line 32  Catalyst Controller for autocompleting s
32    
33  sub default : Private {  sub default : Private {
34      my ( $self, $c ) = @_;      my ( $self, $c ) = @_;
35    
36        $c->log->debug("default search got param: ".Dumper($c->req->params));
37    
38      $c->stash->{template} = 'search.tt';      $c->stash->{template} = 'search.tt';
39  }  }
40    
# Line 36  sub default : Private { Line 42  sub default : Private {
42    
43  Returns results for URLs like C<search/suggest/FieldName>  Returns results for URLs like C<search/suggest/FieldName>
44    
45    It will return field from URL (C<FieldName> in example>) and use
46    same filed in paramerers (comming from form or URL) or if it doesn't
47    exist field named C<all>.
48    
49  =cut  =cut
50    
51  sub suggest : Regex('^search/suggest/*([^/]*)') {  sub suggest : Regex('^search/suggest/*([^/]*)') {
52      my ( $self, $c ) = @_;          my ( $self, $c ) = @_;
53    
54            my $what = $c->request->snippets->[0];
55    
56      my $what = $c->request->snippets->[0];          my $log = $c->log;
57    
58      my $log = $c->log;          my $webpac = $c->comp('Model::WebPAC');
59    
60   my $est = new WebPAC::Search::Estraier(          my $q = $c->req->params->{$what} ||
61          url => 'http://localhost:1978/node/webpac2',                  $c->req->params->{all} || $c->response->body("no results");
         user => 'admin',  
         passwd => 'admin',  
         encoding => 'UTF-8',  
         log => $c->log,  
  );  
       
62    
     my $q = $c->req->params->{$what};  
     my @suggestions;  
63    
64          $log->info("search for '$q' in $what\n");          $log->info("search for '$q' in $what\n");
     my @hits = $est->search( phrase => $q, max => 10, get_attr => [ $what ] );  
65    
66      my $used;          my $max = $c->config->{'hits_for_suggest'};
67            if (! $max) {
68                    $log->info("hits_for_suggest isn't defined, defaulting to 10");
69                    $c->config->{'hits_for_suggest'} = 10;
70                    $max = 10;
71            }
72    
73            my @hits = $webpac->search(
74                    phrase => $q,
75                    max => $max,
76                    get_attr => [ $what ],
77            );
78    
79            my $used;
80            my @suggestions;
81    
82            foreach my $res (@hits) {
83                    my $v = $res->{ $what } || next;
84                    next if ($used->{ $v }++);
85                    push @suggestions, $v;
86            }
87    
88      foreach my $res (@hits) {          $log->debug( ($#suggestions + 1) . " unique hits returned");
         my $v = $res->{ $what } || next;  
         next if ($used->{ $v }++);  
         push @suggestions, $v;  
     }  
89    
90      $c->res->body( $c->prototype->auto_complete_result( \@suggestions ) );          $c->response->body( $c->prototype->auto_complete_result( \@suggestions ) );
91    }
92    
93    
94    =item results
95    
96    Returns results for search query
97    
98    =cut
99    
100    sub results : Local {
101            my ( $self, $c ) = @_;
102    
103            my $params = $c->req->params;
104    
105            # do full-page refresh for clients without JavaScript
106            $c->stash->{results} = $c->subreq('/search/results/ajax', {}, $params);
107            $c->stash->{template} = 'search.tt';
108  }  }
109    
 =back  
110    
111    =item results_ajax
112    
113    Private method which uses C<Model::WebPAC> and returns results for search
114    query It generatets just I<inner> HTML for results div, so it has C<_ajax>
115    in name.
116    
117    =cut
118    
119    # specify all Hyper Estraier operators which should stop this module
120    # from splitting search query and joining it with default operator
121    my $hest_op_regex = qr/(:?\[(:?BW|EW|RX)\]|AND|OR|ANDNOT)/o;
122    
123    sub results_ajax : Path( 'results/ajax' ) {
124            my ( $self, $c ) = @_;
125    
126            my $params = $c->req->params;
127            my $webpac = $c->comp('Model::WebPAC');
128            my $log = $c->log;
129    
130            $log->debug("results got params: " . Dumper( $params ) );
131    
132            if (! $params->{_page} || $params->{_page} < 1) {
133                    $params->{_page} = 1;
134                    $log->warn("fixed _page parametar to 1");
135            }
136    
137            my @attr;
138            my @words;
139            # default operator to join fields/words
140            my $operator = 'AND';
141    
142            foreach my $f (keys %{ $params }) {
143    
144                    next if ($f =~ m/^_/o);
145    
146                    my $v = $params->{$f} || next;
147    
148                    if (my $op = $params->{ '_' . $f}) {
149                            if ($v =~ $hest_op_regex) {
150                                    # don't split words if there is Hyper Estraier
151                                    # operator in them
152                                    push @words, $v;
153                            } else {
154                                    push @words, join(" $op ", split(/\s+/, $v) );
155                            }
156                    } else {
157                            push @words, $v;
158                    }
159    
160                    next if ($f eq 'all');  # don't add_attr for magic field all
161    
162                    if ($v !~ /\s/) {
163                            push @attr, "$f ISTRINC $v";
164                    } else {
165                            map {
166                                    push @attr, "$f ISTRINC $_";
167                            } grep { ! $hest_op_regex } split(/\s+/, $v);
168                    }
169            }
170    
171            if ($params->{_database}) {
172                    my $type = $c->config->{hyperstraier}->{type} || 'search';
173                    my $attr;
174                    if (ref($params->{_database}) eq 'ARRAY') {
175                            # FIXME do we need to add $ at end?
176                            $attr .= '(' . join("|",@{$params->{_database}}) . ')';
177                    } else {
178                            $attr .= $params->{_database};
179                    }
180                    push @attr, '@uri STRRX /' . $type . '/' . $attr . '/';
181            }
182    
183            my $q = join(" $operator ", @words);
184    
185            my $template = $params->{'_template'} || $c->config->{webpac}->{template};
186    
187            $log->die("can't find _template or default from configuration!") unless ($template);
188    
189            my $hits_on_page = $c->config->{'hyperestraier'}->{'hits_on_page'} || 10;
190    
191            $log->debug("using template $template to produce $hits_on_page results");
192    
193            $c->stash->{html_results} = sub {
194                    my $res = $webpac->search(
195                            phrase => $q,
196                            template => $template,
197                            add_attr => \@attr,
198                            get_attr => [ '@uri' ],
199                            max => $hits_on_page,
200                            page => $params->{'_page'},
201                    );
202    #               $log->debug("controller got " . ( $#{$res} + 1 ) . " results for '$q' " . Dumper( $res ));
203                    return $res;
204            };
205    
206            $c->stash->{phrase} = $q;
207            $c->stash->{attr} = \@attr;
208            $c->stash->{page} = $params->{'_page'};
209            $c->stash->{hits_on_page} = $hits_on_page;
210    
211            $c->stash->{template} = 'results.tt';
212    
213    }
214    
215    =item record
216    
217    forwarded to C</editor/record>
218    
219    =cut
220    
221    sub record : Local {
222            my ( $self, $c ) = @_;
223    
224            $c->forward( '/editor/record' );
225    }
226    
227    =back
228    
229  =head1 AUTHOR  =head1 AUTHOR
230    
231  Dobrica Pavlinusic,,,  Dobrica Pavlinusic C<< <dpavlin@rot13.org> >>
232    
233  =head1 LICENSE  =head1 LICENSE
234    
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