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 @ARCHITECTURES $ROOT );
  17
  18 sub do_search {
  19     my ($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} = $opts->{keywords};
  34     $page_content->{all_architectures} = \@ARCHITECTURES;
  35     $page_content->{all_suites} = \@SUITES;
  36     $page_content->{search_architectures} = $opts->{arch};
  37     $page_content->{search_suites} = $opts->{suite};
  38     $page_content->{sections} = $opts->{section};
  39
  40     my $st0 = new Benchmark;
  41     my (@results, @non_results);
  42
  43     unless (@Packages::CGI::fatal_errors) {
  44
  45         if ($searchon eq 'names') {
  46             if ($opts->{source}) {
  47                 do_names_search( [ @keywords ], \%sources, $sp_obj,
  48                                  \&read_src_entry_all, $opts,
  49                                  \@results, \@non_results );
  50             } else {
  51                 do_names_search( [ @keywords ], \%packages, $p_obj,
  52                                  \&read_entry_all, $opts,
  53                                  \@results, \@non_results );
  54             }
  55         } else {
  56             do_names_search( [ @keywords ], \%packages, $p_obj,
  57                              \&read_entry_all, $opts,
  58                              \@results, \@non_results );
  59             my $fts1 = new Benchmark;
  60             do_xapian_search( [ @keywords ], "$DBDIR/xapian/",
  61                                 \%did2pkg, \%packages,
  62                                 \&read_entry_all, $opts,
  63                                 \@results, \@non_results );
  64             my $fts2 = new Benchmark;
  65             my $fts_xapian = timediff($fts2,$fts1);
  66             debug( "Fulltext search took ".timestr($fts_xapian) )
  67                 if DEBUG;
  68         }
  69     }
  70
  71 #    use Data::Dumper;
  72 #    debug( join( "", Dumper( \@results, \@non_results )) ) if DEBUG;
  73     my $st1 = new Benchmark;
  74     my $std = timediff($st1, $st0);
  75     debug( "Search took ".timestr($std) ) if DEBUG;
  76
  77     $page_content->{too_many_hits} = $Packages::Search::too_many_hits;
  78     #FIXME: non_results can't be compared to results since it is
  79     # not normalized to unique packages
  80     $page_content->{non_results} = scalar @non_results;
  81
  82     if (@results) {
  83         my (%pkgs, %subsect, %sect, %archives, %desc, %binaries, %provided_by);
  84
  85         my %sort_by_relevance;
  86         for (1 ... scalar @results) {
  87 #           debug("$results[$_][0] => $_", 4) if DEBUG;
  88             $sort_by_relevance{$results[$_-1][0]} = $_;
  89         }
  90 #       use Data::Dumper;
  91 #       debug( "sort_by_relevance=".Dumper(\%sort_by_relevance), 4);
  92
  93         unless ($opts->{source}) {
  94             foreach (@results) {
  95                 my ($pkg_t, $archive, $suite, $arch, $section, $subsection,
  96                     $priority, $version, $desc_md5, $desc) = @$_;
  97
  98                 my ($pkg) = $pkg_t =~ m/^(.+)/; # untaint
  99                 if ($arch ne 'virtual') {
 100                     $pkgs{$pkg}{$suite}{$version}{$arch} = 1;
 101                     $subsect{$pkg}{$suite}{$version} = $subsection;
 102                     $sect{$pkg}{$suite}{$version} = $section;
 103                     $archives{$pkg}{$suite}{$version} ||= $archive;
 104
 105                     $desc{$pkg}{$suite}{$version} = [ $desc_md5, $desc ];
 106                 } else {
 107                     $provided_by{$pkg}{$suite} = [ split /\s+/, $desc ];
 108                 }
 109             }
 110
 111             my %uniq_pkgs = map { $_ => 1 } (keys %pkgs, keys %provided_by);
 112             my @pkgs;
 113             if ($searchon eq 'names') {
 114                 @pkgs = sort keys %uniq_pkgs;
 115             } else {
 116                 @pkgs = sort { $sort_by_relevance{$a} <=> $sort_by_relevance{$b} } keys %uniq_pkgs;
 117             }
 118             process_packages( $page_content, 'packages', \%pkgs, \@pkgs,
 119                               $opts, \@keywords,
 120                               \&process_package, \%provided_by,
 121                               \%archives, \%sect, \%subsect,
 122                               \%desc );
 123
 124         } else { # unless $opts->{source}
 125             foreach (@results) {
 126                 my ($pkg, $archive, $suite, $section, $subsection, $priority,
 127                     $version) = @$_;
 128
 129                 my $real_archive = '';
 130                 if ($archive eq 'security') {
 131                     $real_archive = $archive;
 132                     $archive = 'us';
 133                 }
 134                 if ($pkgs{$pkg}{$suite}{$archive} &&
 135                     (version_cmp( $pkgs{$pkg}{$suite}{$archive}, $version ) >= 0)) {
 136                     next;
 137                 }
 138                 $pkgs{$pkg}{$suite}{$archive} = $version;
 139                 $subsect{$pkg}{$suite}{$archive}{source} = $subsection;
 140                 $sect{$pkg}{$suite}{$archive}{source} = $section
 141                     unless $section eq 'main';
 142                 $archives{$pkg}{$suite}{$archive}{source} = $real_archive
 143                     if $real_archive;
 144
 145                 $binaries{$pkg}{$suite}{$archive} = find_binaries( $pkg, $archive, $suite, \%src2bin );
 146             }
 147
 148             my @pkgs = sort keys %pkgs;
 149             process_packages( $page_content, 'src_packages', \%pkgs, \@pkgs,
 150                               $opts, \@keywords,
 151                               \&process_src_package, \%archives,
 152                               \%sect, \%subsect, \%binaries );
 153         } # else unless $opts->{source}
 154     } # if @results
 155 } # sub do_search
 156
 157 sub process_packages {
 158     my ($content, $target, $pkgs, $pkgs_list, $opts, $keywords, $print_func, @func_args) = @_;
 159
 160     my @categories;
 161     $content->{results} = scalar @$pkgs_list;
 162
 163     my $keyword;
 164     $keyword = $keywords->[0] if @$keywords == 1;
 165
 166     my $have_exact;
 167     if ($keyword && grep { $_ eq $keyword } @$pkgs_list) {
 168         $have_exact = 1;
 169         $categories[0]{name} = $opts->{cat}->g( "Exact hits" );
 170
 171         $categories[0]{$target} = [ &$print_func( $opts, $keyword,
 172                                                   $pkgs->{$keyword}||{},
 173                                                   map { $_->{$keyword}||{} } @func_args ) ];
 174         @$pkgs_list = grep { $_ ne $keyword } @$pkgs_list;
 175     }
 176
 177     if (@$pkgs_list && (($opts->{searchon} ne 'names') || !$opts->{exact})) {
 178         my %cat;
 179         $cat{name} = $opts->{cat}->g( 'Other hits' ) if $have_exact;
 180
 181         $cat{packages} = [];
 182         foreach my $pkg (@$pkgs_list) {
 183             push @{$cat{$target}}, &$print_func( $opts, $pkg, $pkgs->{$pkg}||{},
 184                                                  map { $_->{$pkg}||{} } @func_args );
 185         }
 186         push @categories, \%cat;
 187     } elsif (@$pkgs_list) {
 188         $content->{skipped} = scalar @$pkgs_list;
 189     }
 190
 191     $content->{categories} = \@categories;
 192 }
 193
 194 sub process_package {
 195     my ($opts, $pkg, $pkgs, $provided_by,
 196         $archives, $sect, $subsect, $desc) = @_;
 197
 198     my %pkg = ( pkg => $pkg,
 199                 suites => [] );
 200
 201     foreach my $suite (@SUITES) {
 202         my %suite = ( suite => $suite );
 203         if (exists $pkgs->{$suite}) {
 204             my %archs_printed;
 205             my @versions = version_sort keys %{$pkgs->{$suite}};
 206             $suite{section} = $sect->{$suite}{$versions[0]};
 207             $suite{subsection} = $subsect->{$suite}{$versions[0]};
 208             my $desc_md5 = $desc->{$suite}{$versions[0]}[0];
 209             $suite{desc} = $desc->{$suite}{$versions[0]}[1];
 210             $suite{versions} = [];
 211
 212             my $trans_desc = $desctrans{$desc_md5};
 213             my %sdescs;
 214             if ($trans_desc) {
 215                 my %trans_desc = split /\000|\001/, $trans_desc;
 216                 while (my ($l, $d) = each %trans_desc) {
 217                     $d =~ s/\n.*//os;
 218
 219                     $sdescs{$l} = $d;
 220                 }
 221                 $suite{trans_desc} = \%sdescs;
 222             }
 223
 224             foreach my $v (@versions) {
 225                 my %version;
 226                 $version{version} = $v;
 227                 $version{archive} = $archives->{$suite}{$v};
 228
 229                 $version{architectures} = [ grep { !$archs_printed{$_} } sort keys %{$pkgs->{$suite}{$v}} ];
 230                 push @{$suite{versions}}, \%version if @{$version{architectures}};
 231
 232                 $archs_printed{$_}++ foreach @{$version{architectures}};
 233             }
 234             if (my $p =  $provided_by->{$suite}) {
 235                 $suite{providers} = $p;
 236             }
 237         } elsif (my $p =  $provided_by->{$suite}) {
 238             $suite{desc} = $opts->{cat}->g('Virtual package');
 239             $suite{providers} = $p;
 240         }
 241         push @{$pkg{suites}}, \%suite if $suite{versions} || $suite{providers};
 242     }
 243
 244     return \%pkg;
 245 }
 246
 247 sub process_src_package {
 248     my ($opts, $pkg, $pkgs, $archives, $sect, $subsect, $binaries) = @_;
 249
 250     my %pkg = ( pkg => $pkg,
 251                 origins => [] );
 252
 253     foreach my $suite (@SUITES) {
 254         foreach my $archive (@ARCHIVES) {
 255             if (exists $pkgs->{$suite}{$archive}) {
 256                 my %origin;
 257                 $origin{version} = $pkgs->{$suite}{$archive};
 258                 $origin{suite} = $suite;
 259                 $origin{archive} = $archive;
 260                 $origin{section} = $sect->{$suite}{$archive}{source};
 261                 $origin{subsection} = $subsect->{$suite}{$archive}{source};
 262                 $origin{real_archive} = $archives->{$suite}{$archive}{source};
 263
 264                 $origin{binaries} = $binaries->{$suite}{$archive};
 265                 push @{$pkg{origins}}, \%origin;
 266             }
 267         }
 268     }
 269
 270     return \%pkg;
 271 }
 272
 273 1;