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 use Text::Unaccent;
  13
  14 use lib '..';
  15 use index_DBI;
  16 use back2html;
  17
  18 # configuration options
  19 # FIXME they really should go in configuration file!
  20 my $TEMPLATE_PATH = '/data/webpac/template_html';
  21 my $CHARSET = 'ISO-8859-2';
  22 my $SWISH = '/usr/bin/swish-e';
  23 my $INDEX = '/data/webpac/index/isis.index';
  24 my $MAX_HITS = 0;
  25 my $ON_PAGE = 10;
  26
  27 Text::Iconv->raise_error(0);     # Conversion errors raise exceptions
  28
  29 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
  30
  31 # read global.conf configuration
  32 my $cfg_global = new Config::IniFiles( -file => '../global.conf' ) || die "can't open 'global.conf'";
  33
  34
  35 sub setup {
  36         my $self = shift;
  37         $self->tmpl_path($TEMPLATE_PATH);
  38         $self->run_modes(
  39                 'search' => 'show_search_form',
  40                 'results' => 'show_results_list',
  41 #               'user' => 'show_user_detail',
  42                 'index' => 'show_index',
  43         );
  44         $self->start_mode('search');
  45         $self->mode_param('rm');
  46
  47         $self->header_props(-charset=>$CHARSET);
  48 }
  49
  50 sub show_search_form {
  51         my $self = shift;
  52
  53         # Get the CGI.pm query object
  54         my $q = $self->query();
  55
  56         my $tmpl = $self->load_tmpl('search.html');
  57         my $html = $tmpl->output;
  58
  59         my $fif = new HTML::FillInForm;
  60
  61         return $fif->fill(scalarref => \$html, fobject => $q,
  62                 target => 'search');
  63 }
  64
  65 sub show_results_list {
  66         my $self = shift;
  67
  68         my $q = $self->query();
  69
  70         my @swish_results;      # results from swish
  71
  72         # load template for this page
  73
  74         my @s_arr;      # all queries are located here
  75
  76         my @path_arr = $q->param('path');
  77         my $full = $q->param('full');
  78
  79         for(my $i = 1; $i <=30; $i++) {
  80
  81                 return show_index($self, $i) if ($q->param("f".$i."_index"));
  82                 next if (! $q->param("v$i"));
  83                 next if (! $q->param("f$i"));
  84
  85                 # re-write query from +/- to and/and not
  86                 my @param_vals = $q->param("v$i");
  87                 my @swish_q;
  88                 while (my $search = shift @param_vals) {
  89                         my $s;
  90                         # remove accents
  91                         $search = unac_string($CHARSET,$search);
  92                         while ($search =~ s/\s*("[^"]+")\s*/ /) {
  93                                 $s .= "$1 ";
  94                         }
  95                         $search =~ s/^\s+//;
  96                         $search =~ s/\s+$//;
  97
  98                         foreach (split(/\s+/,$search)) {
  99                                 if (m/^([+-])(\S+)/) {
 100                                         $s.= ($s) ? "and " : "";
 101                                         $s.="not " if ($1 eq "-");
 102                                         $s.="$2* ";
 103                                 } elsif (m/(and|or|not)/i) {
 104                                         $s.="$_ ";
 105                                 } else {
 106                                         $s.="$_* ";
 107                                 }
 108                         }
 109                         $s =~ s/\*+/*/g;
 110                         push @swish_q,$s;
 111                 }
 112                 # FIXME default operator for multi-value fields is or. There is
 113                 # no way to change it, except here for now. Is there need?
 114                 push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
 115         }
 116
 117         my $tmpl = $self->load_tmpl('results.html');
 118
 119         # call swish
 120         my $sh = SWISH->connect('Fork',
 121                 prog     => $SWISH,
 122                 indexes  => $INDEX,
 123                 properties  => [qw/swishdocpath swishrank swishtitle headline html/],
 124                 results  => sub {
 125                         my ($sh,$hit) = @_;
 126
 127                         push @swish_results, {
 128                                 nr => ($#swish_results + 2),
 129                                 path => $hit->swishdocpath,
 130                                 headline => $from_utf8->convert($hit->headline),
 131                                 html => back2html($from_utf8->convert($hit->html)),
 132                                 rank => $hit->swishrank };
 133
 134                 },
 135                 #startnum => 0,
 136                 maxhits => $MAX_HITS
 137         );
 138
 139         die $SWISH::errstr unless $sh;
 140         # construct swish query
 141         my $sw_q = join(" and ",@s_arr);
 142         if (@path_arr) {
 143                 $sw_q .= "and (swishdocpath=\"";
 144                 $sw_q .= join("\" or swishdocpath=\"",@path_arr);
 145                 $sw_q .= "\")";
 146                 $tmpl->param('full',1); # show full records
 147         }
 148
 149         my $hits = $sh->query($sw_q);
 150
 151         $tmpl->param('hits',$hits);
 152         $tmpl->param('search',$sw_q);
 153
 154         $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 1);
 155         $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 1);
 156
 157         # create a Pager object
 158         my $pager = HTML::Pager->new(
 159                 # required parameters
 160                 query => $q,
 161                 get_data_callback => sub {
 162                         my ($offset, $rows) = @_;
 163
 164                         my @result;
 165                         for (my $i=0; $i<$rows; $i++) {
 166                                 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
 167                         }
 168                         return \@result;
 169                 },
 170                 rows => $hits,
 171                 page_size => $ON_PAGE,
 172                 # some optional parameters
 173                 persist_vars => [
 174                         'rm',
 175                         'f1', 'v1',
 176                         'f2', 'v2',
 177                         'f3', 'v3',
 178                         'f4', 'v4',
 179                         'f5', 'v5',
 180                         'f6', 'v6',
 181                         'f7', 'v7',
 182                         'f8', 'v8',
 183                         'f9', 'v9',
 184                         ],
 185                 #cell_space_color => '#000000',
 186                 #cell_background_color => '#ffffff',
 187                 #nav_background_color => '#dddddd',
 188                 #javascript_presubmit => 'last_minute_javascript()',
 189                 debug => 1,
 190                 template => $tmpl,
 191         );
 192
 193         my $html = $pager->output;
 194
 195         return $html;
 196 }
 197
 198 sub show_index {
 199         my $self = shift;
 200         my $i = shift;          # field number
 201
 202         my $q = $self->query();
 203
 204         my $field = $q->param("f$i");
 205         my $limit = $q->param("v$i");
 206
 207         my $html;
 208
 209         my $index = new index_DBI(
 210                 $cfg_global->val('global', 'dbi_dbd'),
 211                 $cfg_global->val('global', 'dbi_dsn'),
 212                 $cfg_global->val('global', 'dbi_user'),
 213                 $cfg_global->val('global', 'dbi_passwd') || ''
 214         );
 215
 216         my $total = $index->check($field);
 217         if (! $total) {
 218                 my $tmpl = $self->load_tmpl('no_index.html');
 219                 $tmpl->param('field',$field);
 220                 $html = $tmpl->output;
 221                 return $html;
 222         }
 223
 224         my $tmpl = $self->load_tmpl('index_res.html');
 225         $tmpl->param('field',$field);
 226         $tmpl->param('limit',$limit);
 227         $tmpl->param('total',$total);
 228
 229 # FIXME I should set offset and leave out limit from fetch!!
 230 #       if (! $q->param("PAGER_offset") {
 231 #               $q->param("Pager_offet)
 232 #       }
 233
 234         my $pager = HTML::Pager->new(
 235                 query => $q,
 236                 get_data_callback => sub {
 237                         my ($offset, $rows) = @_;
 238
 239                         my @result = $index->fetch($field,'item',$limit, $offset, $rows);
 240                         return \@result;
 241                 },
 242                 rows => $total,
 243                 page_size => $ON_PAGE,
 244                 persist_vars => [
 245                         'rm',
 246                         "f$i", "v$i", "f".$i."_index",
 247                         'offset',
 248                         ],
 249                 debug => 1,
 250                 template => $tmpl,
 251         );
 252
 253         return $pager->output;
 254 }
 255
 256 1;