lib/Packages/DoSearch.pm

   1 package Packages::DoSearch;
   2
   3 use strict;
   4 use warnings;
   5
   6 use Benchmark ':hireswallclock';
   7 use DB_File;
   8 use Exporter;
   9 our @ISA = qw( Exporter );
  10 our @EXPORT = qw( do_search );
  11
  12 use Deb::Versions;
  13 use Packages::Search qw( :all );
  14 use Packages::CGI qw( :DEFAULT );
  15 use Packages::DB;
  16 use Packages::Config qw( $DBDIR @SUITES @ARCHIVES $ROOT );
  17
  18 sub do_search {
  19     my ($params, $opts, $page_content) = @_;
  20     my $cat = $opts->{cat};
  21
  22     $Params::Search::too_many_hits = 0;
  23
  24     if ($params->{errors}{keywords}) {
  25         fatal_error( $cat->g( "keyword not valid or missing" ) );
  26         $opts->{keywords} = [];
  27     } elsif (grep { length($_) < 2 } @{$opts->{keywords}}) {
  28         fatal_error( $cat->g( "keyword too short (keywords need to have at least two characters)" ) );
  29     }
  30
  31     my @keywords = @{$opts->{keywords}};
  32     my $searchon = $opts->{searchon};
  33     $page_content->{search_keywords} = \@keywords;
  34
  35     my $st0 = new Benchmark;
  36     my (@results, @non_results);
  37
  38     unless (@Packages::CGI::fatal_errors) {
  39
  40         if ($searchon eq 'names') {
  41             if ($opts->{source}) {
  42                 do_names_search( [ @keywords ], \%sources, $sp_obj,
  43                                  \&read_src_entry_all, $opts,
  44                                  \@results, \@non_results );
  45             } else {
  46                 do_names_search( [ @keywords ], \%packages, $p_obj,
  47                                  \&read_entry_all, $opts,
  48                                  \@results, \@non_results );
  49             }
  50         } else {
  51             do_names_search( [ @keywords ], \%packages, $p_obj,
  52                              \&read_entry_all, $opts,
  53                              \@results, \@non_results );
  54             my $fts1 = new Benchmark;
  55             do_xapian_search( [ @keywords ], "$DBDIR/xapian/",
  56                                 \%did2pkg, \%packages,
  57                                 \&read_entry_all, $opts,
  58                                 \@results, \@non_results );
  59             my $fts2 = new Benchmark;
  60             my $fts_xapian = timediff($fts2,$fts1);
  61             debug( "Fulltext search took ".timestr($fts_xapian) )
  62                 if DEBUG;
  63         }
  64     }
  65
  66 #    use Data::Dumper;
  67 #    debug( join( "", Dumper( \@results, \@non_results )) ) if DEBUG;
  68     my $st1 = new Benchmark;
  69     my $std = timediff($st1, $st0);
  70     debug( "Search took ".timestr($std) ) if DEBUG;
  71
  72     $page_content->{too_many_hits} = $Packages::Search::too_many_hits;
  73     #FIXME: non_results can't be compared to results since it is
  74     # not normalized to unique packages
  75     $page_content->{non_results} = scalar @non_results;
  76
  77     if (@results) {
  78         my (%pkgs, %subsect, %sect, %archives, %desc, %binaries, %provided_by);
  79
  80         my %sort_by_relevance;
  81         for (1 ... scalar @results) {
  82 #           debug("$results[$_][0] => $_", 4) if DEBUG;
  83             $sort_by_relevance{$results[$_-1][0]} = $_;
  84         }
  85 #       use Data::Dumper;
  86 #       debug( "sort_by_relevance=".Dumper(\%sort_by_relevance), 4);
  87
  88         unless ($opts->{source}) {
  89             foreach (@results) {
  90                 my ($pkg_t, $archive, $suite, $arch, $section, $subsection,
  91                     $priority, $version, $desc_md5, $desc) = @$_;
  92
  93                 my ($pkg) = $pkg_t =~ m/^(.+)/; # untaint
  94                 if ($arch ne 'virtual') {
  95                     $pkgs{$pkg}{$suite}{$version}{$arch} = 1;
  96                     $subsect{$pkg}{$suite}{$version} = $subsection;
  97                     $sect{$pkg}{$suite}{$version} = $section;
  98                     $archives{$pkg}{$suite}{$version} ||= $archive;
  99
 100                     $desc{$pkg}{$suite}{$version} = [ $desc_md5, $desc ];
 101                 } else {
 102                     $provided_by{$pkg}{$suite} = [ split /\s+/, $desc ];
 103                 }
 104             }
 105
 106             my %uniq_pkgs = map { $_ => 1 } (keys %pkgs, keys %provided_by);
 107             my @pkgs;
 108             if ($searchon eq 'names') {
 109                 @pkgs = sort keys %uniq_pkgs;
 110             } else {
 111                 @pkgs = sort { $sort_by_relevance{$a} <=> $sort_by_relevance{$b} } keys %uniq_pkgs;
 112             }
 113             process_packages( $page_content, 'packages', \%pkgs, \@pkgs,
 114                               $opts, \@keywords,
 115                               \&process_package, \%provided_by,
 116                               \%archives, \%sect, \%subsect,
 117                               \%desc );
 118
 119         } else { # unless $opts->{source}
 120             foreach (@results) {
 121                 my ($pkg, $archive, $suite, $section, $subsection, $priority,
 122                     $version) = @$_;
 123
 124                 my $real_archive = '';
 125                 if ($archive eq 'security') {
 126                     $real_archive = $archive;
 127                     $archive = 'us';
 128                 }
 129                 if (($real_archive eq $archive) &&
 130                     $pkgs{$pkg}{$suite}{$archive} &&
 131                     (version_cmp( $pkgs{$pkg}{$suite}{$archive}, $version ) >= 0)) {
 132                     next;
 133                 }
 134                 $pkgs{$pkg}{$suite}{$archive} = $version;
 135                 $subsect{$pkg}{$suite}{$archive}{source} = $subsection;
 136                 $sect{$pkg}{$suite}{$archive}{source} = $section
 137                     unless $section eq 'main';
 138                 $archives{$pkg}{$suite}{$archive}{source} = $real_archive
 139                     if $real_archive;
 140
 141                 $binaries{$pkg}{$suite}{$archive} = find_binaries( $pkg, $archive, $suite, \%src2bin );
 142             }
 143
 144             my @pkgs = sort keys %pkgs;
 145             process_packages( $page_content, 'src_packages', \%pkgs, \@pkgs,
 146                               $opts, \@keywords,
 147                               \&process_src_package, \%archives,
 148                               \%sect, \%subsect, \%binaries );
 149         } # else unless $opts->{source}
 150     } # if @results
 151 } # sub do_search
 152
 153 sub process_packages {
 154     my ($content, $target, $pkgs, $pkgs_list, $opts, $keywords, $print_func, @func_args) = @_;
 155
 156     my @categories;
 157     $content->{results} = scalar @$pkgs_list;
 158
 159     my $keyword;
 160     $keyword = $keywords->[0] if @$keywords == 1;
 161
 162     my $have_exact;
 163     if ($keyword && grep { $_ eq $keyword } @$pkgs_list) {
 164         $have_exact = 1;
 165         $categories[0]{name} = $opts->{cat}->g( "Exact hits" );
 166
 167         $categories[0]{$target} = [ &$print_func( $opts, $keyword,
 168                                                   $pkgs->{$keyword}||{},
 169                                                   map { $_->{$keyword}||{} } @func_args ) ];
 170         @$pkgs_list = grep { $_ ne $keyword } @$pkgs_list;
 171     }
 172
 173     if (@$pkgs_list && (($opts->{searchon} ne 'names') || !$opts->{exact})) {
 174         my %cat;
 175         $cat{name} = $opts->{cat}->g( 'Other hits' ) if $have_exact;
 176
 177         $cat{packages} = [];
 178         foreach my $pkg (@$pkgs_list) {
 179             push @{$cat{$target}}, &$print_func( $opts, $pkg, $pkgs->{$pkg}||{},
 180                                                  map { $_->{$pkg}||{} } @func_args );
 181         }
 182         push @categories, \%cat;
 183     } elsif (@$pkgs_list) {
 184         $content->{skipped} = scalar @$pkgs_list;
 185     }
 186
 187     $content->{categories} = \@categories;
 188 }
 189
 190 sub process_package {
 191     my ($opts, $pkg, $pkgs, $provided_by,
 192         $archives, $sect, $subsect, $desc) = @_;
 193
 194     my %pkg = ( pkg => $pkg,
 195                 suites => [] );
 196
 197     foreach my $suite (@SUITES) {
 198         my %suite = ( suite => $suite );
 199         if (exists $pkgs->{$suite}) {
 200             my %archs_printed;
 201             my @versions = version_sort keys %{$pkgs->{$suite}};
 202             $suite{section} = $sect->{$suite}{$versions[0]};
 203             $suite{subsection} = $subsect->{$suite}{$versions[0]};
 204             my $desc_md5 = $desc->{$suite}{$versions[0]}[0];
 205             $suite{desc} = $desc->{$suite}{$versions[0]}[1];
 206             $suite{versions} = [];
 207
 208             my $trans_desc = $desctrans{$desc_md5};
 209             my %sdescs;
 210             if ($trans_desc) {
 211                 my %trans_desc = split /\000|\001/, $trans_desc;
 212                 while (my ($l, $d) = each %trans_desc) {
 213                     $d =~ s/\n.*//os;
 214
 215                     $sdescs{$l} = $d;
 216                 }
 217                 $suite{trans_desc} = \%sdescs;
 218             }
 219
 220             foreach my $v (@versions) {
 221                 my %version;
 222                 $version{version} = $v;
 223                 $version{archive} = $archives->{$suite}{$v};
 224
 225                 $version{architectures} = [ grep { !$archs_printed{$_} } sort keys %{$pkgs->{$suite}{$v}} ];
 226                 push @{$suite{versions}}, \%version if @{$version{architectures}};
 227
 228                 $archs_printed{$_}++ foreach @{$version{architectures}};
 229             }
 230             if (my $p =  $provided_by->{$suite}) {
 231                 $suite{providers} = $p;
 232             }
 233         } elsif (my $p =  $provided_by->{$suite}) {
 234             $suite{desc} = $opts->{cat}->g('Virtual package');
 235             $suite{providers} = $p;
 236         }
 237         push @{$pkg{suites}}, \%suite if $suite{versions} || $suite{providers};
 238     }
 239
 240     return \%pkg;
 241 }
 242
 243 sub process_src_package {
 244     my ($opts, $pkg, $pkgs, $archives, $sect, $subsect, $binaries) = @_;
 245
 246     my %pkg = ( pkg => $pkg,
 247                 origins => [] );
 248
 249     foreach my $suite (@SUITES) {
 250         foreach my $archive (@ARCHIVES) {
 251             if (exists $pkgs->{$suite}{$archive}) {
 252                 my %origin;
 253                 $origin{version} = $pkgs->{$suite}{$archive};
 254                 $origin{suite} = $suite;
 255                 $origin{archive} = $archive;
 256                 $origin{section} = $sect->{$suite}{$archive}{source};
 257                 $origin{subsection} = $subsect->{$suite}{$archive}{source};
 258                 $origin{real_archive} = $archives->{$suite}{$archive}{source};
 259
 260                 $origin{binaries} = $binaries->{$suite}{$archive};
 261                 push @{$pkg{origins}}, \%origin;
 262             }
 263         }
 264     }
 265
 266     return \%pkg;
 267 }
 268
 269 1;