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         sub esc_html {
 121                 my $html = shift;
 122                 $html =~ s/</&lt;/g;
 123                 $html =~ s/>/&gt;/g;
 124                 return $html;
 125         }
 126
 127         # call swish
 128         my $sh = SWISH->connect('Fork',
 129                 prog     => $SWISH,
 130                 indexes  => $INDEX,
 131                 properties  => [qw/swishdocpath swishrank swishtitle headline html/],
 132                 results  => sub {
 133                         my ($sh,$hit) = @_;
 134
 135                         push @swish_results, {
 136                                 nr => ($#swish_results + 2),
 137                                 path => $hit->swishdocpath,
 138                                 headline => esc_html($from_utf8->convert($hit->headline)),
 139                                 html => back2html($from_utf8->convert($hit->html)),
 140                                 rank => $hit->swishrank };
 141
 142                 },
 143                 #startnum => 0,
 144                 maxhits => $MAX_HITS
 145         );
 146
 147         die $SWISH::errstr unless $sh;
 148         # construct swish query
 149         my $sw_q = join(" and ",@s_arr);
 150         if (@path_arr && $q->param('show_full')) {
 151                 $sw_q .= "and (swishdocpath=\"";
 152                 $sw_q .= join("\" or swishdocpath=\"",@path_arr);
 153                 $sw_q .= "\")";
 154                 $tmpl->param('full',1); # show full records
 155         }
 156
 157         my $hits = $sh->query($sw_q);
 158
 159         $tmpl->param('hits',$hits);
 160         $tmpl->param('search',$sw_q);
 161
 162         $tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
 163         $tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
 164
 165         # create a Pager object
 166         my $pager = HTML::Pager->new(
 167                 # required parameters
 168                 query => $q,
 169                 get_data_callback => sub {
 170                         my ($offset, $rows) = @_;
 171
 172                         my @result;
 173                         for (my $i=0; $i<$rows; $i++) {
 174                                 push @result, $swish_results[$offset+$i] if $swish_results[$offset+$i];
 175                         }
 176                         return \@result;
 177                 },
 178                 rows => $hits,
 179                 page_size => $ON_PAGE,
 180                 # some optional parameters
 181                 persist_vars => [
 182                         'rm',
 183                         'f1', 'v1',
 184                         'f2', 'v2',
 185                         'f3', 'v3',
 186                         'f4', 'v4',
 187                         'f5', 'v5',
 188                         'f6', 'v6',
 189                         'f7', 'v7',
 190                         'f8', 'v8',
 191                         'f9', 'v9',
 192                         ],
 193                 #cell_space_color => '#000000',
 194                 #cell_background_color => '#ffffff',
 195                 #nav_background_color => '#dddddd',
 196                 #javascript_presubmit => 'last_minute_javascript()',
 197                 debug => 1,
 198                 template => $tmpl,
 199         );
 200
 201         my $html = $pager->output;
 202
 203         return $html;
 204 }
 205
 206 sub show_index {
 207         my $self = shift;
 208         my $i = shift;          # field number
 209
 210         my $q = $self->query();
 211
 212         my $field = $q->param("f$i");
 213         my $limit = $q->param("v$i");
 214
 215         my $html;
 216
 217         my $index = new index_DBI(
 218                 $cfg_global->val('global', 'dbi_dbd'),
 219                 $cfg_global->val('global', 'dbi_dsn'),
 220                 $cfg_global->val('global', 'dbi_user'),
 221                 $cfg_global->val('global', 'dbi_passwd') || ''
 222         );
 223
 224         my $total = $index->check($field);
 225         if (! $total) {
 226                 my $tmpl = $self->load_tmpl('no_index.html');
 227                 $tmpl->param('field',$field);
 228                 $html = $tmpl->output;
 229                 return $html;
 230         }
 231
 232         my $tmpl = $self->load_tmpl('index_res.html');
 233         $tmpl->param('field',$field);
 234         $tmpl->param('limit',$limit);
 235         $tmpl->param('total',$total);
 236
 237 # FIXME I should set offset and leave out limit from fetch!!
 238 #       if (! $q->param("PAGER_offset") {
 239 #               $q->param("Pager_offet)
 240 #       }
 241
 242         my $pager = HTML::Pager->new(
 243                 query => $q,
 244                 get_data_callback => sub {
 245                         my ($offset, $rows) = @_;
 246
 247                         my @result = $index->fetch($field,'item',$limit, $offset, $rows);
 248                         return \@result;
 249                 },
 250                 rows => $total,
 251                 page_size => $ON_PAGE,
 252                 persist_vars => [
 253                         'rm',
 254                         "f$i", "v$i", "f".$i."_index",
 255                         'offset',
 256                         ],
 257                 debug => 1,
 258                 template => $tmpl,
 259         );
 260
 261         return $pager->output;
 262 }
 263
 264 1;