- my($self,@constraints)=@_;
- my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
- my @tags=@$tags;
- my @tags_vals=@$tags_vals;;
-
- my $sql=("\tSELECT files_x_tags.files_id FROM tags t1\n" .
- "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n");
- my @orclauses=();
- my @andclauses=();
- # FIXME: and / or?
- if(@tags)
- {
- push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
- push(@andclauses, "( t1.id IN ( " . join(', ', @tags) ." ) )");
- }
- for my $pair (@tags_vals)
- {
- my($tag, $val)=@$pair;
- push(@orclauses, "( t1.parents_id=$tag AND t1.id=$val )");
- }
-# push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
- if(@orclauses)
- {
- push(@andclauses, join("\n\t\tOR ", @orclauses));
- }
- if(@andclauses)
- {
- $sql .= "\tWHERE\n\t\t";
- $sql .= join("\n\t\tAND ", @andclauses) . "\n";
- }
- $sql .= "\tGROUP BY files_x_tags.files_id\n";
- return $sql;
-}
-
-sub constraints_tag_list
-{
- my($self, @constraints)=@_;
- my $lasttag=undef;
- my @tags=();
- my @tags_vals=();
- for my $constraint (@constraints)
- {
-# print ref($constraint), ": ", $constraint->{name}, "\n";
- if(ref($constraint) eq "ID3FS::PathElement::Tag")
- {
- if(defined($lasttag))
- {
-# print "TAGVAL\n";
- push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
- $lasttag=undef;
- }
- elsif($self->tag_has_values($constraint->{id}))
- {
-# print "HASVALUES\n";
- $lasttag=$constraint->{id} if defined($constraint->{id});
- }
- else
- {
-# print "NOVALUES\n";
- push(@tags, $constraint->{id}) if(defined($constraint->{id}));
- }
- }
- }
- unless($self->{db}->{postgres})
- {
- @tags=map{ "\"$_\""; } @tags;
- @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
- $lasttag="\"$lasttag\"" if defined($lasttag);
- }
- return(\@tags, \@tags_vals, $lasttag);
-}
-
-
-sub bare_tags
-{
- my($self)=@_;
- my $sql=("SELECT tags.name FROM tags\n" .
- "WHERE tags.parents_id=''\n" .
- "GROUP BY tags.name\n");
- my @names=$self->{db}->cmd_firstcol($sql);
- return (@names);
+ my($self, $dir)=@_;
+ my $path=ID3FS::Path->new($self->{db}, $dir, $self->{verbose},
+ ($self->{maxtagdepth} - $self->{curtagdepth}));
+ return 1 unless($path->isvalid());
+ my($subdirs,$subfiles)=$path->dirents();
+ return 0 if(@$subfiles || @$subdirs);
+ return 1;