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         for(my $i = 1; $i <=30; $i++) {
  81
  82                 return show_index($self, $i) if ($q->param("f".$i."_index"));
  83                 next if (! $q->param("v$i"));
  84                 next if (! $q->param("f$i"));
  85
  86                 # re-write query from +/- to and/and not
  87                 my @param_vals = $q->param("v$i");
  88                 my @swish_q;
  89                 while (my $search = shift @param_vals) {
  90                         my $s;
  91                         # remove accents
  92                         $search = unac_string($CHARSET,$search);
  93                         while ($search =~ s/\s*("[^"]+")\s*/ /) {
  94                                 $s .= "$1 ";
  95                         }
  96                         $search =~ s/^\s+//;
  97                         $search =~ s/\s+$//;
  98
  99                         foreach (split(/\s+/,$search)) {
 100                                 if (m/^([+-])(\S+)/) {
 101                                         $s.= ($s) ? "and " : "";
 102                                         $s.="not " if ($1 eq "-");
 103                                         $s.="$2* ";
 104                                 } elsif (m/(and|or|not)/i) {
 105                                         $s.="$_ ";
 106                                 } else {
 107                                         $s.="$_* ";
 108                                 }
 109                         }
 110                         $s =~ s/\*+/*/g;
 111                         push @swish_q,$s;
 112                 }
 113                 # FIXME default operator for multi-value fields is or. There is
 114                 # no way to change it, except here for now. Is there need?
 115                 push @s_arr, $q->param("f$i")."_swish=(".join(" or ",@swish_q).")";
 116         }
 117
 118         my $tmpl = $self->load_tmpl('results.html');
 119
 120         # call swish
 121         my $sh = SWISH->connect('Fork',
 122                 prog     => $SWISH,
 123                 indexes  => $INDEX,
 124                 properties  => [qw/swishdocpath swishrank swishtitle headline html/],
 125                 results  => sub {
 126                         my ($sh,$hit) = @_;
 127
 128                         push @swish_results, {
 129                                 nr => ($#swish_results + 2),
 130                                 path => $hit->swishdocpath,
 131                                 headline => $from_utf8->convert($hit->headline),
 132                                 html => back2html($from_utf8->convert($hit->html)),
 133                                 rank => $hit->swishrank };
 134
 135                 },
 136                 #startnum => 0,
 137                 maxhits => $MAX_HITS
 138         );
 139
 140         die $SWISH::errstr unless $sh;
 141         # construct swish query
 142         my $sw_q = join(" and ",@s_arr);
 143         if (@path_arr) {
 144                 $sw_q .= "and (swishdocpath=\"";
 145                 $sw_q .= join("\" or swishdocpath=\"",@path_arr);
 146                 $sw_q .= "\")";
 147                 $tmpl->param('full',1); # show full records
 148         }
 149
 150         my $hits = $sh->query($sw_q);
 151
 152         $tmpl->param('hits',$hits);
 153         $tmpl->param('search',$sw_q);
 154
 155         $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
 156         $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
 157
 158         # create a Pager object
 159         my $pager = HTML::Pager->new(
 160                 # required parameters
 161                 query => $q,
 162                 get_data_callback => sub {
 163                         my ($offset, $rows) = @_;
 164
 165                         my @result;
 166                         for (my $i=0; $i<$rows; $i++) {
 167                                 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
 168                         }
 169                         return \@result;
 170                 },
 171                 rows => $hits,
 172                 page_size => $ON_PAGE,
 173                 # some optional parameters
 174                 persist_vars => [
 175                         'rm',
 176                         'f1', 'v1',
 177                         'f2', 'v2',
 178                         'f3', 'v3',
 179                         'f4', 'v4',
 180                         'f5', 'v5',
 181                         'f6', 'v6',
 182                         'f7', 'v7',
 183                         'f8', 'v8',
 184                         'f9', 'v9',
 185                         ],
 186                 #cell_space_color => '#000000',
 187                 #cell_background_color => '#ffffff',
 188                 #nav_background_color => '#dddddd',
 189                 #javascript_presubmit => 'last_minute_javascript()',
 190                 debug => 1,
 191                 template => $tmpl,
 192         );
 193
 194         my $html = $pager->output;
 195
 196         return $html;
 197 }
 198
 199 sub show_index {
 200         my $self = shift;
 201         my $i = shift;          # field number
 202
 203         my $q = $self->query();
 204
 205         my $field = $q->param("f$i");
 206         my $limit = $q->param("v$i");
 207
 208         my $html;
 209
 210         my $index = new index_DBI(
 211                 $cfg_global->val('global', 'dbi_dbd'),
 212                 $cfg_global->val('global', 'dbi_dsn'),
 213                 $cfg_global->val('global', 'dbi_user'),
 214                 $cfg_global->val('global', 'dbi_passwd') || ''
 215         );
 216
 217         my $total = $index->check($field);
 218         if (! $total) {
 219                 my $tmpl = $self->load_tmpl('no_index.html');
 220                 $tmpl->param('field',$field);
 221                 $html = $tmpl->output;
 222                 return $html;
 223         }
 224
 225         my $tmpl = $self->load_tmpl('index_res.html');
 226         $tmpl->param('field',$field);
 227         $tmpl->param('limit',$limit);
 228         $tmpl->param('total',$total);
 229
 230 # FIXME I should set offset and leave out limit from fetch!!
 231 #       if (! $q->param("PAGER_offset") {
 232 #               $q->param("Pager_offet)
 233 #       }
 234
 235         my $pager = HTML::Pager->new(
 236                 query => $q,
 237                 get_data_callback => sub {
 238                         my ($offset, $rows) = @_;
 239
 240                         my @result = $index->fetch($field,'item',$limit, $offset, $rows);
 241                         return \@result;
 242                 },
 243                 rows => $total,
 244                 page_size => $ON_PAGE,
 245                 persist_vars => [
 246                         'rm',
 247                         "f$i", "v$i", "f".$i."_index",
 248                         'offset',
 249                         ],
 250                 debug => 1,
 251                 template => $tmpl,
 252         );
 253
 254         return $pager->output;
 255 }
 256
 257 1;