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 Text::Iconv;
  10 use DBI;
  11
  12 use lib '..';
  13 use index_DBI;
  14 use back2html;
  15
  16 # configuration options
  17 # FIX: they really should go in configuration file!
  18 my $TEMPLATE_PATH = '/data/webpac/template_html';
  19 my $CHARSET = 'ISO-8859-2';
  20 my $SWISH = '/usr/bin/swish-e';
  21 my $INDEX = '/data/webpac/index/isis.index';
  22 my $MAX_HITS = 500;
  23 my $ON_PAGE = 10;
  24
  25 Text::Iconv->raise_error(0);     # Conversion errors raise exceptions
  26
  27 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
  28
  29 sub setup {
  30         my $self = shift;
  31         $self->tmpl_path($TEMPLATE_PATH);
  32         $self->run_modes(
  33                 'search' => 'show_search_form',
  34                 'results' => 'show_results_list',
  35 #               'user' => 'show_user_detail',
  36                 'index' => 'show_index',
  37         );
  38         $self->start_mode('search');
  39         $self->mode_param('rm');
  40
  41         $self->header_props(-charset=>$CHARSET);
  42 }
  43
  44 sub show_search_form {
  45         my $self = shift;
  46
  47         # Get the CGI.pm query object
  48         my $q = $self->query();
  49
  50         my $tmpl = $self->load_tmpl('search.html');
  51         my $html = $tmpl->output;
  52
  53         my $fif = new HTML::FillInForm;
  54
  55         return $fif->fill(scalarref => \$html, fobject => $q,
  56                 target => 'search');
  57 }
  58
  59 sub show_results_list {
  60         my $self = shift;
  61
  62         my $q = $self->query();
  63
  64         my @swish_results;      # results from swish
  65
  66         # load template for this page
  67
  68         my @s_arr;      # all queries are located here
  69
  70         for(my $i = 1; $i <=10; $i++) {
  71
  72                 return show_index($self, $i) if ($q->param("f".$i."_index"));
  73                 next if (! $q->param("f$i"));
  74                 next if (! $q->param("v$i"));
  75
  76                 # re-write query from +/- to and/and not
  77                 my $s;
  78                 my $search = $q->param("v$i");
  79                 while ($search =~ s/\s*("[^"]+")\s*/ /) {
  80                         $s .= "$1 ";
  81                 }
  82                 $search =~ s/^\s+//;
  83                 $search =~ s/\s+$//;
  84
  85                 foreach (split(/\s+/,$search)) {
  86                         if (m/^([+-])(\S+)/) {
  87                                 $s.= ($s) ? "and " : "";
  88                                 $s.="not " if ($1 eq "-");
  89                                 $s.="$2* ";
  90                         } else {
  91                                 $s.="$_* ";
  92                         }
  93                 }
  94                 $s =~ s/\*+/*/g;
  95
  96                 push @s_arr,$q->param("f$i")."_swish=($s)";
  97         }
  98
  99         my $tmpl = $self->load_tmpl('results.html');
 100
 101         # call swish
 102         my $sh = SWISH->connect('Fork',
 103                 prog     => $SWISH,
 104                 indexes  => $INDEX,
 105                 properties  => [qw/swishdocpath swishrank swishtitle headline html/],
 106                 results  => sub {
 107                         my ($sh,$hit) = @_;
 108
 109                         push @swish_results, {
 110                                 nr => ($#swish_results + 2),
 111                                 path => $hit->swishdocpath,
 112 #                               headline => $from_utf8->convert($hit->headline),
 113 #                               html => back2html($from_utf8->convert($hit->html)),
 114                                 headline => $hit->headline,
 115                                 html => back2html($hit->html),
 116                                 rank => $hit->swishrank };
 117
 118                 },
 119                 #startnum => 0,
 120                 maxhits => $MAX_HITS,
 121         );
 122
 123         die $SWISH::errstr unless $sh;
 124
 125         my $hits = $sh->query(join(" and ",@s_arr)) || 0;       # FIX: and/or
 126
 127         $tmpl->param('hits',$hits);
 128         $tmpl->param('search',join(" and ",@s_arr));
 129
 130         # create a Pager object
 131         my $pager = HTML::Pager->new(
 132                 # required parameters
 133                 query => $q,
 134                 get_data_callback => sub {
 135                         my ($offset, $rows) = @_;
 136
 137                         my @result;
 138                         for (my $i=0; $i<$rows; $i++) {
 139                                 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
 140                         }
 141                         return \@result;
 142                 },
 143                 rows => $hits,
 144                 page_size => $ON_PAGE,
 145                 # some optional parameters
 146                 persist_vars => [
 147                         'rm',
 148                         'f1', 'v1',
 149                         'f2', 'v2',
 150                         'f3', 'v3',
 151                         'f4', 'v4',
 152                         'f5', 'v5',
 153                         'f6', 'v6',
 154                         'f7', 'v7',
 155                         'f8', 'v8',
 156                         'f9', 'v9',
 157                         ],
 158                 #cell_space_color => '#000000',
 159                 #cell_background_color => '#ffffff',
 160                 #nav_background_color => '#dddddd',
 161                 #javascript_presubmit => 'last_minute_javascript()',
 162                 debug => 1,
 163                 template => $tmpl,
 164         );
 165
 166         my $html = $pager->output;
 167
 168         return $html;
 169 }
 170
 171 sub show_index {
 172         my $self = shift;
 173         my $i = shift;          # field number
 174
 175         my $q = $self->query();
 176
 177         my $field = $q->param("f$i");
 178         my $limit = $q->param("v$i");
 179
 180         my $html;
 181
 182         my $index = new index_DBI();
 183
 184         my $total = $index->check($field);
 185         if (! $total) {
 186                 my $tmpl = $self->load_tmpl('no_index.html');
 187                 $tmpl->param('field',$field);
 188                 $html = $tmpl->output;
 189                 return $html;
 190         }
 191
 192         my $tmpl = $self->load_tmpl('index_res.html');
 193         $tmpl->param('field',$field);
 194         $tmpl->param('limit',$limit);
 195         $tmpl->param('total',$total);
 196
 197 # FIX: I should set offset and leave out limit from fetch!!
 198 #       if (! $q->param("PAGER_offset") {
 199 #               $q->param("Pager_offet)
 200 #       }
 201
 202         my $pager = HTML::Pager->new(
 203                 query => $q,
 204                 get_data_callback => sub {
 205                         my ($offset, $rows) = @_;
 206
 207                         my @result = $index->fetch($field,'item',$limit, $offset, $rows);
 208                         return \@result;
 209                 },
 210                 rows => $total,
 211                 page_size => $ON_PAGE,
 212                 persist_vars => [
 213                         'rm',
 214                         "f$i", "v$i", "f".$i."_index",
 215                         'offset',
 216                         ],
 217                 debug => 1,
 218                 template => $tmpl,
 219         );
 220
 221         return $pager->output;
 222 }
 223
 224 1;