/[webpac2]/trunk/lib/WebPAC/Search/Estraier.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 103 by dpavlin, Tue Nov 22 16:11:48 2005 UTC revision 156 by dpavlin, Sat Nov 26 14:37:33 2005 UTC
# Line 13  WebPAC::Search::Estraier - search Hyper Line 13  WebPAC::Search::Estraier - search Hyper
13    
14  =head1 VERSION  =head1 VERSION
15    
16  Version 0.01  Version 0.03
17    
18  =cut  =cut
19    
20  our $VERSION = '0.01';  our $VERSION = '0.03';
21    
22  =head1 SYNOPSIS  =head1 SYNOPSIS
23    
# Line 100  sub new { Line 100  sub new {
100  Locate items in index  Locate items in index
101    
102    my @results = $est->search(    my @results = $est->search(
103          query => 'name of book or novel',          phrase => 'name of book or novel',
104          attr => qw/PersonalName TitleProper/,          add_attr => [
105                    "filepath ISTRINC $q",
106                    "size NUMGT 100",
107            ],
108            get_attr => qw/PersonalName TitleProper/,
109            order => 'NUMD',
110            max => 100,
111            options => $HyperEstraier::Condition::SURE,
112            page => 42,
113    );    );
114    
115    Options are close match to Hyper Estraier API, except C<get_attr> which defines
116    attributes which will be returned in hash for each record.
117    
118  Results are returned as hash array with keys named by attributes  Results are returned as hash array with keys named by attributes
119    
120    Pages are numbered C< 1 ... hits/max >.
121    
122  =cut  =cut
123    
124  sub search {  sub search {
# Line 115  sub search { Line 128  sub search {
128    
129          my $log = $self->_get_logger;          my $log = $self->_get_logger;
130    
131          $self->confess('need db in object') unless ($self->{'db'});          #$log->debug( 'search args: ' . Dumper($args) );
132          $self->confess('need attr') unless ($args->{'attr'});  
133            $self->confess('need db in object') unless ($self->{db});
134            $self->confess('need get_attr') unless ($args->{get_attr});
135    
136          $self->confess("need attr as array not " . ref($args->{'attr'}) ) unless (ref($args->{'attr'}) eq 'ARRAY');          $self->confess("need get_attr as array not " . ref($args->{get_attr}) ) unless (ref($args->{get_attr}) eq 'ARRAY');
137    
138          my $q = $args->{'query'};          my $q = $args->{phrase};
139    
140            $log->debug("args: " . Dumper( $args ));
141    
142          my $cond = HyperEstraier::Condition->new();          my $cond = HyperEstraier::Condition->new();
143  #       $cond->add_attr("filepath ISTRINC $q");          if ( ref($args->{add_attr}) eq 'ARRAY' ) {
144                    $log->debug("adding search attributes: " . join(", ", @{ $args->{add_attr} }) );
145                    map {
146                            $cond->add_attr( $self->{iconv}->convert( $_ ) );
147                            $log->debug(" + $_");
148                    } @{ $args->{add_attr} };
149            };
150    
151            $cond->set_phrase( $self->{iconv}->convert($q) ) if ($q);
152            $cond->set_options( $args->{options} ) if ($args->{options});
153            $cond->set_order( $args->{order} ) if ($args->{order});
154    
155            my $max = $args->{max} || 7;
156            my $page = $args->{page} || 1;
157    
158          $cond->set_phrase( $self->{'iconv'}->convert( $q ) ) if ($q);          $cond->set_max( $page * $max );
         $cond->set_max( $args->{'max'} ) if ($args->{'max'});  
 #       $cond->set_options( $HyperEstraier::Condition::SURE );  
 #       $cond->set_order( 'NUMD' );  
159    
160          my $result = $self->{'db'}->search($cond, 0) ||          my $result = $self->{db}->search($cond, 0) ||
161                  $log->die("can't search for ", sub { Dumper( $args ) });                  $log->die("can't search for ", sub { Dumper( $args ) });
162    
163          my $hits = $result->doc_num;          my $hits = $result->doc_num;
# Line 138  sub search { Line 165  sub search {
165    
166          my @results;          my @results;
167    
168          for my $i ( 0 .. ( $hits - 1 ) ) {          for my $i ( (($page - 1) * $max) .. ( $hits - 1 ) ) {
169    
170                  #$log->debug("get_doc($i)");                  #$log->debug("get_doc($i)");
171                  my $doc = $result->get_doc( $i );                  my $doc = $result->get_doc( $i );
# Line 149  sub search { Line 176  sub search {
176    
177                  my $hash;                  my $hash;
178    
179                  foreach my $attr (@{ $args->{'attr'} }) {                  foreach my $attr (@{ $args->{get_attr} }) {
180                          my $val = $doc->attr( $attr );                          my $val = $doc->attr( $attr );
181                          #$log->debug("attr $attr = ", $val || 'undef');                          #$log->debug("attr $attr = ", $val || 'undef');
182                          $hash->{$attr} = $self->{'iconv'}->convert( $val ) if (defined($val));                          $hash->{$attr} = $self->{iconv}->convert( $val ) if (defined($val));
183                  }                  }
184    
185                  if ($hash) {                  if ($hash) {
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