git.rot13.org Git - webpac/blob - WebPac.pm

   1 package WebPac;
   2
   3 use base 'CGI::Application';
   4 use strict;
   5
   6 use HTML::Pager;
   7 use HTML::FillInForm;
   8 use SWISH;
   9 use Unicode::MapUTF8 qw(to_utf8 from_utf8 utf8_supported_charset);
  10 use DBI;
  11
  12 use lib '..';
  13 use index_DBI;
  14
  15 # configuration options
  16 # FIX: they really should go in configuration file!
  17 my $TEMPLATE_PATH = '/data/webpac/template_html';
  18 my $CHARSET = 'ISO-8859-2';
  19 my $SWISH = '/usr/local/bin/swish-e';
  20 my $INDEX = '/data/webpac/index/isis.index';
  21 my $MAX_HITS = 500;
  22 my $ON_PAGE = 10;
  23
  24
  25 sub setup {
  26         my $self = shift;
  27         $self->tmpl_path($TEMPLATE_PATH);
  28         $self->run_modes(
  29                 'search' => 'show_search_form',
  30                 'results' => 'show_results_list',
  31 #               'user' => 'show_user_detail',
  32                 'index' => 'show_index',
  33         );
  34         $self->start_mode('search');
  35         $self->mode_param('rm');
  36
  37         $self->header_props(-charset=>$CHARSET);
  38 }
  39
  40 sub show_search_form {
  41         my $self = shift;
  42
  43         # Get the CGI.pm query object
  44         my $q = $self->query();
  45
  46         my $tmpl = $self->load_tmpl('search.html');
  47         my $html = $tmpl->output;
  48
  49         my $fif = new HTML::FillInForm;
  50
  51         return $fif->fill(scalarref => \$html, fobject => $q,
  52                 target => 'search');
  53 }
  54
  55 sub show_results_list {
  56         my $self = shift;
  57
  58         my $q = $self->query();
  59
  60         my @swish_results;      # results from swish
  61
  62         # load template for this page
  63
  64         my @s_arr;      # all queries are located here
  65
  66         for(my $i = 1; $i <=10; $i++) {
  67
  68                 return show_index($self, $i) if ($q->param("f".$i."_index"));
  69                 next if (! $q->param("f$i"));
  70                 next if (! $q->param("v$i"));
  71
  72                 # re-write query from +/- to and/and not
  73                 my $s;
  74                 my $search = $q->param("v$i");
  75                 while ($search =~ s/\s*("[^"]+")\s*/ /) {
  76                         $s .= "$1 ";
  77                 }
  78                 $search =~ s/^\s+//;
  79                 $search =~ s/\s+$//;
  80
  81                 foreach (split(/\s+/,$search)) {
  82                         if (m/^([+-])(\S+)/) {
  83                                 $s.= ($s) ? "and " : "";
  84                                 $s.="not " if ($1 eq "-");
  85                                 $s.="$2* ";
  86                         } else {
  87                                 $s.="$_* ";
  88                         }
  89                 }
  90
  91                 push @s_arr,$q->param("f$i")."_swish=($s)";
  92         }
  93
  94         my $tmpl = $self->load_tmpl('results.html');
  95
  96         # call swish
  97         my $sh = SWISH->connect('Fork',
  98                 prog     => $SWISH,
  99                 indexes  => $INDEX,
 100                 #properties  => [qw/god br nr/],
 101                 results  => sub {
 102                         my ($sh,$hit) = @_;
 103
 104                         push @swish_results, {
 105                                 nr => ($#swish_results + 2),
 106                                 path => $hit->swishdocpath,
 107                                 title => to_utf8({ -string => $hit->swishtitle, -charset => $CHARSET }),
 108                                 rank => $hit->swishrank };
 109
 110 #                       my @fields = $hit->field_names;
 111 #                       print "Field '$_' = '", $hit->$_, "'<br>\n" for sort @fields;
 112                 },
 113                 #startnum => 0,
 114                 maxhits => $MAX_HITS,
 115         );
 116
 117         die $SWISH::errstr unless $sh;
 118
 119         my $hits = $sh->query(join(" and ",@s_arr)) || 0;       # FIX: and/or
 120
 121         $tmpl->param('hits',$hits);
 122         $tmpl->param('search',join(" and ",@s_arr));
 123
 124         # create a Pager object
 125         my $pager = HTML::Pager->new(
 126                 # required parameters
 127                 query => $q,
 128                 get_data_callback => sub {
 129                         my ($offset, $rows) = @_;
 130
 131                         my @result;
 132                         for (my $i=0; $i<$rows; $i++) {
 133                                 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
 134                         }
 135                         return \@result;
 136                 },
 137                 rows => $hits,
 138                 page_size => $ON_PAGE,
 139                 # some optional parameters
 140                 persist_vars => [
 141                         'rm',
 142                         'f1', 'v1',
 143                         'f2', 'v2',
 144                         'f3', 'v3',
 145                         'f4', 'v4',
 146                         'f5', 'v5',
 147                         'f6', 'v6',
 148                         'f7', 'v7',
 149                         'f8', 'v8',
 150                         'f9', 'v9',
 151                         ],
 152                 #cell_space_color => '#000000',
 153                 #cell_background_color => '#ffffff',
 154                 #nav_background_color => '#dddddd',
 155                 #javascript_presubmit => 'last_minute_javascript()',
 156                 debug => 1,
 157                 template => $tmpl,
 158         );
 159
 160         my $html = $pager->output;
 161
 162         return $html;
 163 }
 164
 165 sub show_index {
 166         my $self = shift;
 167         my $i = shift;          # field number
 168
 169         my $q = $self->query();
 170
 171         my $field = $q->param("f$i");
 172         my $limit = $q->param("v$i");
 173
 174
 175         my $html;
 176
 177         my $index = new index_DBI();
 178
 179         if (! $index->check($field)) {
 180                 my $tmpl = $self->load_tmpl('no_index.html');
 181                 $tmpl->param('field',$field);
 182                 $html = $tmpl->output;
 183                 return $html;
 184         }
 185
 186         my @index_arr = $index->fetch($field,'item',$limit);
 187
 188         $html .= "show index of <i>$field</i>";
 189         $html .= " for <i>$limit</i>" if ($limit);
 190
 191         while (my $row = shift @index_arr) {
 192                 $html .= "<br>".$row->{item}."\n";
 193         }
 194
 195         return $html;
 196 }
 197
 198 1;