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
  19 # read global.conf configuration
  20 my $cfg_global = new Config::IniFiles( -file => '../global.conf' ) || die "can't open 'global.conf'";
  21
  22 # configuration options from global.conf
  23 my $TEMPLATE_PATH = $cfg_global->val('webpac', 'template_html') || die "need template_html in global.conf, section webpac";
  24 my $CHARSET = $cfg_global->val('webpac', 'charset') || 'ISO-8859-1';
  25 my $SWISH = $cfg_global->val('webpac', 'swish') || '/usr/bin/swish-e';
  26 my $INDEX = $cfg_global->val('webpac', 'index') || die "need index in global.conf, section webpac";
  27 my $MAX_HITS = $cfg_global->val('webpac', 'max_hits') || 0;
  28 my $ON_PAGE =$cfg_global->val('webpac', 'on_page') || 10;
  29
  30
  31 Text::Iconv->raise_error(0);     # Conversion errors raise exceptions
  32
  33 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
  34
  35
  36 sub setup {
  37         my $self = shift;
  38         $self->tmpl_path($TEMPLATE_PATH);
  39         $self->run_modes(
  40                 'search' => 'show_search_form',
  41                 'results' => 'show_results_list',
  42 #               'user' => 'show_user_detail',
  43                 'index' => 'show_index',
  44         );
  45         $self->start_mode('search');
  46         $self->mode_param('rm');
  47
  48         $self->header_props(-charset=>$CHARSET);
  49 }
  50
  51 sub show_search_form {
  52         my $self = shift;
  53
  54         # Get the CGI.pm query object
  55         my $q = $self->query();
  56
  57         my $tmpl = $self->load_tmpl('search.html');
  58         my $html = $tmpl->output;
  59
  60         my $fif = new HTML::FillInForm;
  61
  62         return $fif->fill(scalarref => \$html, fobject => $q,
  63                 target => 'search');
  64 }
  65
  66 sub show_results_list {
  67         my $self = shift;
  68
  69         my $q = $self->query();
  70
  71         my @swish_results;      # results from swish
  72
  73         # load template for this page
  74
  75         my @s_arr;      # all queries are located here
  76
  77         my @path_arr = $q->param('path');
  78         my $full = $q->param('full');
  79
  80         my @persist_vars = ( 'rm' );
  81
  82         for(my $i = 1; $i <=30; $i++) {
  83
  84                 return show_index($self, $i) if ($q->param("f".$i."_index"));
  85
  86                 next if (! $q->param("v$i"));
  87                 next if (! $q->param("f$i"));
  88
  89                 push @persist_vars, "f$i";
  90                 push @persist_vars, "v$i";
  91
  92                 # re-write query from +/- to and/and not
  93                 my @param_vals = $q->param("v$i");
  94                 my @swish_q;
  95                 while (my $search = shift @param_vals) {
  96                         my $s;
  97                         # remove accents
  98                         $search = unac_string($CHARSET,$search);
  99                         while ($search =~ s/\s*("[^"]+")\s*/ /) {
 100                                 $s .= "$1 ";
 101                         }
 102                         $search =~ s/^\s+//;
 103                         $search =~ s/\s+$//;
 104
 105                         foreach (split(/\s+/,$search)) {
 106                                 if (m/^([+-])(\S+)/) {
 107                                         $s.= ($s) ? "and " : "";
 108                                         $s.="not " if ($1 eq "-");
 109                                         $s.="$2* ";
 110                                 } elsif (m/(and|or|not)/i) {
 111                                         $s.="$_ ";
 112                                 } else {
 113                                         $s.="$_* ";
 114                                 }
 115                         }
 116                         $s =~ s/\*+/*/g;
 117                         push @swish_q,$s;
 118                 }
 119                 # FIXME default operator for multi-value fields is or. There is
 120                 # no way to change it, except here for now. Is there need?
 121                 push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
 122         }
 123
 124         my $tmpl = $self->load_tmpl('results.html');
 125
 126         sub esc_html {
 127                 my $html = shift;
 128                 $html =~ s/</&lt;/g;
 129                 $html =~ s/>/&gt;/g;
 130                 return $html;
 131         }
 132
 133         # call swish
 134         my $sh = SWISH->connect('Fork',
 135                 prog     => $SWISH,
 136                 indexes  => $INDEX,
 137                 properties  => [qw/swishdocpath swishrank swishtitle headline html/],
 138                 results  => sub {
 139                         my ($sh,$hit) = @_;
 140
 141                         push @swish_results, {
 142                                 nr => ($#swish_results + 2),
 143                                 path => $hit->swishdocpath,
 144                                 headline => esc_html($from_utf8->convert($hit->headline)),
 145                                 html => back2html($from_utf8->convert($hit->html)),
 146                                 rank => $hit->swishrank };
 147
 148                 },
 149                 #startnum => 0,
 150                 maxhits => $MAX_HITS
 151         );
 152
 153         die $SWISH::errstr unless $sh;
 154         # construct swish query
 155         my $sw_q = join(" and ",@s_arr);
 156         if (@path_arr && $q->param('show_full')) {
 157                 $sw_q .= "and (swishdocpath=\"";
 158                 $sw_q .= join("\" or swishdocpath=\"",@path_arr);
 159                 $sw_q .= "\")";
 160                 $tmpl->param('full',1); # show full records
 161         }
 162
 163         my $hits = $sh->query($sw_q);
 164
 165         $tmpl->param('hits',$hits);
 166         $tmpl->param('search',$sw_q);
 167
 168         $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
 169         $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
 170
 171         # create a Pager object
 172         my $pager = HTML::Pager->new(
 173                 # required parameters
 174                 query => $q,
 175                 get_data_callback => sub {
 176                         my ($offset, $rows) = @_;
 177
 178                         my @result;
 179                         for (my $i=0; $i<$rows; $i++) {
 180                                 my $r = $swish_results[$offset+$i];
 181                                 if ($r && $q->param('show_full')) {
 182                                         push @result, $r;
 183                                 } elsif ($r) {
 184                                         # if not full output, skip html
 185                                         delete $r->{html};
 186                                         push @result, $r;
 187                                 }
 188                         }
 189                         return \@result;
 190                 },
 191                 rows => $hits,
 192                 page_size => $ON_PAGE,
 193                 # some optional parameters
 194                 persist_vars => [ @persist_vars ],
 195                 #cell_space_color => '#000000',
 196                 #cell_background_color => '#ffffff',
 197                 #nav_background_color => '#dddddd',
 198                 #javascript_presubmit => 'last_minute_javascript()',
 199                 debug => 1,
 200                 template => $tmpl,
 201         );
 202
 203         my $html = $pager->output;
 204
 205         return $html;
 206 }
 207
 208 sub show_index {
 209         my $self = shift;
 210         my $i = shift;          # field number
 211
 212         my $q = $self->query();
 213
 214         my $field = $q->param("f$i");
 215         my $limit = $q->param("v$i");
 216
 217         my $html;
 218
 219         my $index = new index_DBI(
 220                 $cfg_global->val('global', 'dbi_dbd'),
 221                 $cfg_global->val('global', 'dbi_dsn'),
 222                 $cfg_global->val('global', 'dbi_user'),
 223                 $cfg_global->val('global', 'dbi_passwd') || ''
 224         );
 225
 226         my $total = $index->check($field);
 227         if (! $total) {
 228                 my $tmpl = $self->load_tmpl('no_index.html');
 229                 $tmpl->param('field',$field);
 230                 $html = $tmpl->output;
 231                 return $html;
 232         }
 233
 234         my $tmpl = $self->load_tmpl('index_res.html');
 235         $tmpl->param('field',$field);
 236         $tmpl->param('limit',$limit);
 237         $tmpl->param('total',$total);
 238
 239 # FIXME I should set offset and leave out limit from fetch!!
 240 #       if (! $q->param("PAGER_offset") {
 241 #               $q->param("Pager_offet)
 242 #       }
 243
 244         my $pager = HTML::Pager->new(
 245                 query => $q,
 246                 get_data_callback => sub {
 247                         my ($offset, $rows) = @_;
 248
 249                         my @result = $index->fetch($field,'item',$limit, $offset, $rows);
 250                         return \@result;
 251                 },
 252                 rows => $total,
 253                 page_size => $ON_PAGE,
 254                 persist_vars => [
 255                         'rm',
 256                         "f$i", "v$i", "f".$i."_index",
 257                         'offset',
 258                         ],
 259                 debug => 1,
 260                 template => $tmpl,
 261         );
 262
 263         return $pager->output;
 264 }
 265
 266 1;