-sub cmd_sth
-{
- my($self, $sql, @params)=@_;
- my $sth=$self->{dbh}->prepare($sql);
- my $idx=1;
- for my $param (@params)
- {
- $param="" unless(defined($param));
- $sth->bind_param($idx++, $param);
- }
- $sth->execute();
- return $sth;
-}
-
-sub tags
-{
- my($self, @constraints)=@_;
- if(!@constraints) # /
- {
- # FIXME: add ALL?
- my $sql="SELECT DISTINCT name FROM tags;";
- my $tags=$self->cmd_rows($sql);
- return(map { $_->[0]; } @$tags);
- }
- 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;";
- 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_mid . $tagstr .
- $main_sql_end);
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my @tagnames=map { $_->[0]; } @$result;
- print "SUBNAMES: ", join(', ', @tagnames), "\n";
- return(@tagnames);
-}
-
-sub tag_values
-{
- my($self, $tagid)=@_;
- my $sql=("SELECT DISTINCT tagvals.name FROM tagvals\n" .
- "INNER JOIN tags_x_tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
- "WHERE tags_x_tagvals.tags_id=?");
- my $tags=$self->cmd_rows($sql, $tagid);
- my @tags=map { $_->[0]; } @$tags;
- @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
- return @tags;
-}
-
-sub artists
-{
- my($self, @constraints)=@_;
- if(!@constraints) # /ALL
- {
- my $sql="SELECT DISTINCT name FROM artists;";
- my $tags=$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);
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my @tagnames=map { $_->[0]; } @$result;
- print "ARTISTS: ", join(', ', @tagnames), "\n";
- return(@tagnames);
-}
-
-sub albums
-{
- my($self, @constraints)=@_;
- my @ids=();
- # FIXME: rework PathElements
- if(ref($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, $cid);
- }
- @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
- my $str=join(", ", @ids);
- my $sql = ($main_sql_start . $str .
- $main_sql_end);
- my $result=$self->cmd_rows($sql);
- my @names=map { $_->[0]; } @$result;
- print "ALBUMS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub artist_albums
-{
- my($self, $artist_id)=@_;
- my $sql=("SELECT albums.name FROM files\n\t" .
- "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" .
- "GROUP BY albums.name\n");
- print "ARTIST_ALBUMS SQL: $sql\n";
- my $result=$self->cmd_rows($sql, $artist_id);
- my @albums=map { $_->[0]; } @$result;
- print "ALBUMS: ", join(', ', @albums), "\n";
- return(@albums);
-}
-
-sub artist_tracks
-{
- my($self, $artist_id)=@_;
- my $sql=("SELECT files.name FROM files\n\t" .
- "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" .
- "GROUP BY files.name\n");
- print "ARTIST_TRACKS SQL: $sql\n";
- my $result=$self->cmd_rows($sql, $artist_id);
- my @names=map { $_->[0]; } @$result;
- print "ARTISTTRACKS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub album_tracks
-{
- my($self, $artist_id, $album_id)=@_;
- my $sql=("SELECT files.name FROM files\n\t" .
- "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
- "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
- "WHERE artists.id=? AND albums.id=?\n\t" .
- "GROUP BY files.name\n");
- print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
- my $result=$self->cmd_rows($sql, $artist_id, $album_id);
- my @names=map { $_->[0]; } @$result;
- print "TRACKS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub tracks
-{
- my($self, @constraints)=@_;
- # FIXME: rework PathElements
- if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
- {
- return $self->artist_tracks($constraints[$#constraints]->{id});
- }
- elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
- {
- my $artist_id=0;
- my $artist=$constraints[($#constraints)-1];
- if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
- {
- # should always happen
- $artist_id=$artist->{id};
- }
- 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);
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my @names=map { $_->[0]; } @$result;
- print "TRACKS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub filename
-{
- my($self, @constraints)=@_;
- if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
- {
- my $id=$constraints[$#constraints]->{id};
- my $sql=("SELECT paths.name, files.name FROM files\n" .
- "INNER JOIN paths ON files.paths_id=paths.id\n" .
- "WHERE files.id=?\n" .
- "GROUP BY paths.name, files.name");
- print "FILENAME SQL: $sql\n";
- my ($path, $name)=$self->cmd_onerow($sql, $id);
- return($self->{absbase} . "/$path/$name");
- }
- die("DB::filename: unhandled case\n"); #FIXME
-}
-