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 use Config::IniFiles;
  12
  13 use lib '..';
  14 use index_DBI;
  15 use back2html;
  16
  17 # configuration options
  18 # FIXME they really should go in configuration file!
  19 my $TEMPLATE_PATH = '/data/webpac/template_html';
  20 my $CHARSET = 'ISO-8859-2';
  21 my $SWISH = '/usr/bin/swish-e';
  22 my $INDEX = '/data/webpac/index/isis.index';
  23 my $MAX_HITS = 0;
  24 my $ON_PAGE = 10;
  25
  26 Text::Iconv->raise_error(0);     # Conversion errors raise exceptions
  27
  28 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
  29
  30 # read global.conf configuration
  31 my $cfg_global = new Config::IniFiles( -file => '../global.conf' ) || die "can't open 'global.conf'";
  32
  33
  34 sub setup {
  35         my $self = shift;
  36         $self->tmpl_path($TEMPLATE_PATH);
  37         $self->run_modes(
  38                 'search' => 'show_search_form',
  39                 'results' => 'show_results_list',
  40 #               'user' => 'show_user_detail',
  41                 'index' => 'show_index',
  42         );
  43         $self->start_mode('search');
  44         $self->mode_param('rm');
  45
  46         $self->header_props(-charset=>$CHARSET);
  47 }
  48
  49 sub show_search_form {
  50         my $self = shift;
  51
  52         # Get the CGI.pm query object
  53         my $q = $self->query();
  54
  55         my $tmpl = $self->load_tmpl('search.html');
  56         my $html = $tmpl->output;
  57
  58         my $fif = new HTML::FillInForm;
  59
  60         return $fif->fill(scalarref => \$html, fobject => $q,
  61                 target => 'search');
  62 }
  63
  64 sub show_results_list {
  65         my $self = shift;
  66
  67         my $q = $self->query();
  68
  69         my @swish_results;      # results from swish
  70
  71         # load template for this page
  72
  73         my @s_arr;      # all queries are located here
  74
  75         my @path_arr = $q->param('path');
  76         my $full = $q->param('full');
  77
  78         for(my $i = 1; $i <=10; $i++) {
  79
  80                 return show_index($self, $i) if ($q->param("f".$i."_index"));
  81                 next if (! $q->param("f$i"));
  82                 next if (! $q->param("v$i"));
  83
  84                 # re-write query from +/- to and/and not
  85                 my $s;
  86                 my $search = $q->param("v$i");
  87                 while ($search =~ s/\s*("[^"]+")\s*/ /) {
  88                         $s .= "$1 ";
  89                 }
  90                 $search =~ s/^\s+//;
  91                 $search =~ s/\s+$//;
  92
  93                 foreach (split(/\s+/,$search)) {
  94                         if (m/^([+-])(\S+)/) {
  95                                 $s.= ($s) ? "and " : "";
  96                                 $s.="not " if ($1 eq "-");
  97                                 $s.="$2* ";
  98                         } elsif (m/(and|or|not)/i) {
  99                                 $s.="$_ ";
 100                         } else {
 101                                 $s.="$_* ";
 102                         }
 103                 }
 104                 $s =~ s/\*+/*/g;
 105
 106                 push @s_arr,$q->param("f$i")."_swish=($s)";
 107         }
 108
 109         my $tmpl = $self->load_tmpl('results.html');
 110
 111         # call swish
 112         my $sh = SWISH->connect('Fork',
 113                 prog     => $SWISH,
 114                 indexes  => $INDEX,
 115                 properties  => [qw/swishdocpath swishrank swishtitle headline html/],
 116                 results  => sub {
 117                         my ($sh,$hit) = @_;
 118
 119                         push @swish_results, {
 120                                 nr => ($#swish_results + 2),
 121                                 path => $hit->swishdocpath,
 122                                 headline => $from_utf8->convert($hit->headline),
 123                                 html => back2html($from_utf8->convert($hit->html)),
 124                                 rank => $hit->swishrank };
 125
 126                 },
 127                 #startnum => 0,
 128                 maxhits => $MAX_HITS
 129         );
 130
 131         die $SWISH::errstr unless $sh;
 132
 133         # construct swish query
 134         my $sw_q = join(" and ",@s_arr);
 135         if (@path_arr) {
 136                 $sw_q .= "and (swishdocpath=\"";
 137                 $sw_q .= join("\" or swishdocpath=\"",@path_arr);
 138                 $sw_q .= "\")";
 139                 $tmpl->param('full',1); # show full records
 140         }
 141
 142         my $hits = $sh->query($sw_q);
 143
 144         $tmpl->param('hits',$hits);
 145         $tmpl->param('search',$sw_q);
 146
 147         $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
 148         $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
 149
 150         # create a Pager object
 151         my $pager = HTML::Pager->new(
 152                 # required parameters
 153                 query => $q,
 154                 get_data_callback => sub {
 155                         my ($offset, $rows) = @_;
 156
 157                         my @result;
 158                         for (my $i=0; $i<$rows; $i++) {
 159                                 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
 160                         }
 161                         return \@result;
 162                 },
 163                 rows => $hits,
 164                 page_size => $ON_PAGE,
 165                 # some optional parameters
 166                 persist_vars => [
 167                         'rm',
 168                         'f1', 'v1',
 169                         'f2', 'v2',
 170                         'f3', 'v3',
 171                         'f4', 'v4',
 172                         'f5', 'v5',
 173                         'f6', 'v6',
 174                         'f7', 'v7',
 175                         'f8', 'v8',
 176                         'f9', 'v9',
 177                         ],
 178                 #cell_space_color => '#000000',
 179                 #cell_background_color => '#ffffff',
 180                 #nav_background_color => '#dddddd',
 181                 #javascript_presubmit => 'last_minute_javascript()',
 182                 debug => 1,
 183                 template => $tmpl,
 184         );
 185
 186         my $html = $pager->output;
 187
 188         return $html;
 189 }
 190
 191 sub show_index {
 192         my $self = shift;
 193         my $i = shift;          # field number
 194
 195         my $q = $self->query();
 196
 197         my $field = $q->param("f$i");
 198         my $limit = $q->param("v$i");
 199
 200         my $html;
 201
 202         my $index = new index_DBI(
 203                 $cfg_global->val('global', 'dbi_dbd'),
 204                 $cfg_global->val('global', 'dbi_dsn'),
 205                 $cfg_global->val('global', 'dbi_user'),
 206                 $cfg_global->val('global', 'dbi_passwd') || ''
 207         );
 208
 209         my $total = $index->check($field);
 210         if (! $total) {
 211                 my $tmpl = $self->load_tmpl('no_index.html');
 212                 $tmpl->param('field',$field);
 213                 $html = $tmpl->output;
 214                 return $html;
 215         }
 216
 217         my $tmpl = $self->load_tmpl('index_res.html');
 218         $tmpl->param('field',$field);
 219         $tmpl->param('limit',$limit);
 220         $tmpl->param('total',$total);
 221
 222 # FIXME I should set offset and leave out limit from fetch!!
 223 #       if (! $q->param("PAGER_offset") {
 224 #               $q->param("Pager_offet)
 225 #       }
 226
 227         my $pager = HTML::Pager->new(
 228                 query => $q,
 229                 get_data_callback => sub {
 230                         my ($offset, $rows) = @_;
 231
 232                         my @result = $index->fetch($field,'item',$limit, $offset, $rows);
 233                         return \@result;
 234                 },
 235                 rows => $total,
 236                 page_size => $ON_PAGE,
 237                 persist_vars => [
 238                         'rm',
 239                         "f$i", "v$i", "f".$i."_index",
 240                         'offset',
 241                         ],
 242                 debug => 1,
 243                 template => $tmpl,
 244         );
 245
 246         return $pager->output;
 247 }
 248
 249 1;