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