my @ids=();
my $main_sql_start=("SELECT t2.name\n" .
- "\tFROM (SELECT files_id FROM tags t1\n" .
- "\t\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
- "\t\tWHERE t1.id in\n\t\t\t(");
- my $main_sql_mid=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
- "\tINNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
- "\tWHERE t2.id NOT IN (");
- my $main_sql_end=")\n\tGROUP BY t2.name;";
+ "\tFROM (\n" .
+ $self->tags_subselect(@constraints) .
+ ") AS subselect\n" .
+ "INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
+ "INNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
+ "WHERE t2.id NOT IN (");
+ my $main_sql_end=")\nGROUP BY t2.name;";
+ # FIXME: generalise more?
+
while(my $constraint=shift @constraints)
{
my $cid=$constraint->{id};
@ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
my $tagstr=join(", ", @ids);
my $sql = ($main_sql_start . $tagstr .
- $main_sql_mid . $tagstr .
$main_sql_end);
print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
return(map { $_->[0]; } @$tags);
}
my @ids=();
- my $main_sql_start=("SELECT artists.name\n" .
- "\tFROM (SELECT files_id FROM tags\n" .
- "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
- "\t\tWHERE tags.id in\n\t\t\t(");
- my $main_sql_end=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files ON subselect.files_id=files.id\n" .
- "\tINNER JOIN artists ON files.artists_id=artists.id\n" .
- "\n\tGROUP BY artists.name;");
- while(my $constraint=shift @constraints)
- {
- my $cid=$constraint->{id};
- push(@ids, $cid);
- }
- @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
- my $tagstr=join(", ", @ids);
- my $sql = ($main_sql_start . $tagstr .
- $main_sql_end);
+ my $sql=("SELECT artists.name FROM (\n" .
+ $self->tags_subselect(@constraints) .
+ ") AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
+ "INNER JOIN artists ON files.artists_id=artists.id\n" .
+ "GROUP BY artists.name;");
print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
my @tagnames=map { $_->[0]; } @$result;
# FIXME: rework PathElements
if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
{
- return $self->artist_albums($constraints[$#constraints]->{id});
- }
- my $main_sql_start=("SELECT albums.name\n" .
- "\tFROM (SELECT files_id FROM tags\n" .
- "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
- "\t\tWHERE tags.id in\n\t\t\t(");
- my $main_sql_end=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files ON subselect.files_id=files.id\n" .
- "\tINNER JOIN albums ON files.albums_id=albums.id\n" .
- "\n\tGROUP BY albums.name;");
- while(my $constraint=shift @constraints)
- {
- my $cid=$constraint->{id};
- push(@ids, $cid);
+ return $self->artist_albums($constraints[$#constraints]->{id}, @constraints);
}
- @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
- my $str=join(", ", @ids);
- my $sql = ($main_sql_start . $str .
- $main_sql_end);
+ my $sql=("SELECT albums.name\n" .
+ "\tFROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
+ "INNER JOIN albums ON files.albums_id=albums.id\n" .
+ "GROUP BY albums.name;");
my $result=$self->cmd_rows($sql);
my @names=map { $_->[0]; } @$result;
print "ALBUMS: ", join(', ', @names), "\n";
sub artist_albums
{
- my($self, $artist_id)=@_;
- my $sql=("SELECT albums.name FROM files\n\t" .
+ my($self, $artist_id, @constraints)=@_;
+ my $sql=("SELECT albums.name FROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
"INNER JOIN albums ON albums.id=files.albums_id\n\t" .
"INNER JOIN artists ON artists.id=files.artists_id\n\t" .
"WHERE artists.id=? and albums.name <> ''\n\t" .
sub artist_tracks
{
- my($self, $artist_id)=@_;
- my $sql=("SELECT files.name FROM files\n\t" .
+ my($self, $artist_id, @constraints)=@_;
+ my $sql=("SELECT files.name FROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
"INNER JOIN artists ON artists.id=files.artists_id\n\t" .
"INNER JOIN albums ON albums.id=files.albums_id\n\t" .
"WHERE artists.id=? AND albums.name=''\n\t" .
# FIXME: rework PathElements
if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
{
- return $self->artist_tracks($constraints[$#constraints]->{id});
+ return $self->artist_tracks($constraints[$#constraints]->{id}, @constraints);
}
elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
{
return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
}
- my $main_sql_start=("SELECT files.name\n" .
- "\tFROM (SELECT files_id FROM tags\n" .
- "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
- "\t\tWHERE tags.id in\n\t\t\t(");
- my $main_sql_end=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files ON files.id=subselect.files_id" .
- "\tGROUP BY files.name;");
- my @ids;
- while(my $constraint=shift @constraints)
- {
- my $cid=$constraint->{id};
- push(@ids, $cid);
- }
- @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
- my $str=join(", ", @ids);
- my $sql = ($main_sql_start . $str .
- $main_sql_end);
+ my $sql=("SELECT files.name\n" .
+ "\tFROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON files.id=subselect.files_id\n" .
+ "GROUP BY files.name;");
print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
my @names=map { $_->[0]; } @$result;
sub filename
{
- my($self, @constraints)=@_;
+ my($self, $mountpoint, @constraints)=@_;
if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
{
my $id=$constraints[$#constraints]->{id};
"GROUP BY paths.name, files.name");
print "FILENAME SQL: $sql\n";
my ($path, $name)=$self->cmd_onerow($sql, $id);
- return($self->{absbase} . "/$path/$name");
+ my $id3fs_path=join('/', map { $_->{name}; } @constraints);
+ return($self->relativise($path, $name, $mountpoint, $id3fs_path));
}
die("DB::filename: unhandled case\n"); #FIXME
}
+sub tags_subselect
+{
+ my($self,@constraints)=@_;
+ use Data::Dumper;
+ my @tags=();
+ my @tags_vals=();
+ my $lasttag='';
+# print "CONSTRAINTS: \n", Dumper \@constraints;
+ for my $constraint (@constraints)
+ {
+# print ref($constraint),"\n";
+ if(ref($constraint) eq "ID3FS::PathElement::Tag")
+ {
+ if($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}));
+ }
+ }
+ elsif(ref($constraint) eq "ID3FS::PathElement::Tagval")
+ {
+# print "TAGVAL\n";
+ push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
+ }
+ }
+ unless($self->{postgres})
+ {
+ @tags=map{ "\"$_\""; } @tags;
+ @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
+ }
+# print "TAGS\n", Dumper \@tags;
+# print "\nVALS\n", Dumper(\@tags_vals), "\n";
+ my $sql=("\tSELECT files_id FROM tags t1\n" .
+ "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
+ "\tINNER JOIN tags_x_tagvals ON t1.id=tags_x_tagvals.tags_id\n");
+ my @clauses=();
+ if(@tags)
+ {
+ push(@clauses, "(t1.id IN ( " . join(', ', @tags) ." ) )");
+ }
+ for my $pair (@tags_vals)
+ {
+ my($tag, $val)=@$pair;
+ push(@clauses, "( t1.id=$tag AND tags_x_tagvals.tagvals_id=$val )");
+ }
+ if(@clauses)
+ {
+ $sql .= "\tWHERE\n\t\t" . join("\n\t\tOR ", @clauses) . "\n";
+ }
+ return $sql;
+}
+
+
+sub relativise
+{
+ my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
+ $id3fs_path=~s/(.*)\/.*/$1/;
+ my $rpath="$self->{absbase}/$path";
+ my $vpath="$mountpoint/$id3fs_path";
+ my @path=split(/\//,$rpath);
+ my @rel=split(/\//,$vpath);
+ #absolute paths have empty first element due to leading /
+ shift(@path) if($path[0] eq "");
+ shift(@rel) if($rel[0] eq "");
+ if($path[0] ne $rel[0])
+ {
+ #no path in common, return absolute
+ print "FAIL: NO PATHS IN COMMON\n";
+ return $name;
+ }
+ # f: /home/foo/bar/baz.mp3
+ # r: /home/ianb/music/albums
+ while(@path && @rel && ($path[0] eq $rel[0]))
+ {
+ shift(@path);
+ shift(@rel);
+ print "POP ";
+ }
+ print "\n";
+ my $upcount=scalar(@rel);
+ my $result="../" x $upcount;
+ $result .= join("/",@path);
+ $result .= "/$name";
+ return $result;
+}
+
sub bare_tags
{
my($self)=@_;
projects / id3fs.git / blobdiff