use warnings;
use DBI;
use ID3FS::File;
+use Cwd;
our $SCHEMA_VERSION=1;
-
my $dbfile=".id3fs";
sub new
bless($self,$class);
my($dir, $init, $me)=@_;
+ $self->{base}=$dir;
+ $self->{absbase}=Cwd::abs_path($dir);
$self->{dbpath}="$dir/$dbfile";
$self->{me}=$me;
my $exists=-f $self->{dbpath};
- die("$me: $self->{dbpath}: not found. use --init to create.\n") if(!$exists && !$init);
- die("$me: --init used but $self->{dbpath} exists.\n") if($exists && $init);
- $self->{dbh}=DBI->connect("dbi:SQLite:dbname=$self->{dbpath}","","",
+ $self->{postgres}=0;
+
+ unless($self->{postgres})
+ {
+ die("$me: $self->{dbpath}: not found. use --init to create.\n") if(!$exists && !$init);
+ die("$me: --init used but $self->{dbpath} exists.\n") if($exists && $init);
+ }
+
+ my $connectstr="dbi:SQLite:dbname=$self->{dbpath}";
+ my ($user, $pass)=("", "");
+ if($self->{postgres})
+ {
+ $connectstr="dbi:Pg:dbname=id3fs";
+ $user="ianb";
+ $pass="foo";
+ }
+ $self->{dbh}=DBI->connect($connectstr, $user, $pass,
{ AutoCommit=>1 } );
unless(defined($self->{dbh}))
{
{
$self->{dbh}->do($cmd);
}
+ if($self->{postgres})
+ {
+ $self->cmd("CREATE SEQUENCE seq");
+ }
+ else
+ {
+ my %indexes=( "idx_files_id" => "files (id)",
+ "idx_fxt_both" => "files_x_tags (files_id, tags_id)",
+ "idx_fxt_files" => "files_x_tags (files_id)",
+ "idx_fxt_tags" => "files_x_tags (tags_id)",
+ "idx_tags_id" => "tags (id)",
+ "idx_tags_name" => "tags (name)");
+ for my $index (keys %indexes)
+ {
+ $self->{dbh}->do("CREATE INDEX $index ON " . $indexes{$index});
+ }
+ }
$self->cmd("INSERT INTO id3fs (schema_version) VALUES (?)", $SCHEMA_VERSION);
}
sub tags
{
- my($self, $path)=@_;
- my $sql="SELECT DISTINCT name FROM tags;";
- my $tags=$self->cmd_rows($sql);
+ my($self, @constraints)=@_;
+ if(!@constraints) # /
+ {
+ 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)
+ {
+ print "CONSTRAINT: $constraint->{name}\n";
+ my $cid=$constraint->{id};
+ push(@ids, $cid);
+ }
+ @ids = map( { "\"$_\""; } @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, $tag)=@_;
+ my $sql=("SELECT DISTINCT tagvals.name FROM tags\n" .
+ "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
+ "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
+ "WHERE tags.name=?");
+ my $tags=$self->cmd_rows($sql, $tag);
return(map { $_->[0]; } @$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_x_artists ON subselect.files_id=files_x_artists.files_id\n" .
+ "\tINNER JOIN artists ON artists.id=files_x_artists.artists_id\n" .
+ "\n\tGROUP BY artists.name;");
+ while(my $constraint=shift @constraints)
+ {
+ print "CONSTRAINT: $constraint->{name}\n";
+ my $cid=$constraint->{id};
+ push(@ids, $cid);
+ }
+ @ids = map( { "\"$_\""; } @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_x_albums ON subselect.files_id=files_x_albums.files_id\n" .
+ "\tINNER JOIN albums ON albums.id=files_x_albums.albums_id\n" .
+ "\n\tGROUP BY albums.name;");
+ while(my $constraint=shift @constraints)
+ {
+ print "CONSTRAINT: $constraint->{name}\n";
+ my $cid=$constraint->{id};
+ push(@ids, $cid);
+ }
+ @ids = map( { "\"$_\""; } @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 "ALBUMS: ", join(', ', @names), "\n";
+ return(@names);
+}
+
+sub artist_albums
+{
+ my($self, $artist_id)=@_;
+ my $sql=("SELECT albums.name FROM artists\n\t" .
+ "INNER JOIN artists_x_albums ON artists.id=artists_x_albums.artists_id\n\t" .
+ "INNER JOIN albums ON albums.id=artists_x_albums.albums_id\n\t" .
+ "WHERE artists.id=?\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 artists\n\t" .
+ "INNER JOIN artists_x_files ON artists.id=files_x_artists.artists_id\n\t" .
+ "INNER JOIN files ON files.id=files_x_artists.files_id\n\t" .
+ "WHERE artists.id=?\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;
+ @names = map { s/.*\///; } @names;
+ print "ARTISTTRACKS: ", join(', ', @names), "\n";
+ return(@names);
+}
+
+sub album_tracks
+{
+ my($self, $album_id)=@_;
+ my $sql=("SELECT files.name FROM files\n\t" .
+ "INNER JOIN files_x_albums ON files.id=files_x_albums.files_id\n\t" .
+ "INNER JOIN albums ON albums.id=files_x_albums.albums_id\n\t" .
+ "WHERE albums.id=?\n\t" .
+ "GROUP BY files.name\n");
+ print "ALBUM_TRACKS SQL($album_id): $sql\n";
+ my $result=$self->cmd_rows($sql, $album_id);
+ my @names=map { $_->[0]; } @$result;
+ @names = map { s/.*\///; $_;} @names;
+ print "TRACKS: ", join(', ', @names), "\n";
+ return(@names);
+}
+
+sub tracks
+{
+ my($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")
+ {
+ return $self->album_tracks($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)
+ {
+ print "CONSTRAINT: $constraint->{name}\n";
+ my $cid=$constraint->{id};
+ push(@ids, $cid);
+ }
+ @ids = map( { "\"$_\""; } @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;
+ @names = map { s/.*\///; $_; } @names;
+ print "TRACKS: ", join(', ', @names), "\n";
+ return(@names);
+}
+
+sub filename
+{
+ my($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_x_files ON files.id=paths_x_files.files_id\n" .
+ "INNER JOIN paths ON paths_x_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
+}
+
+sub id
+{
+ my($self, $type, $val)=@_;
+ print "ID: $type $val\n";
+ my $sql="SELECT id FROM $type WHERE name=?";
+ my ($id)=$self->cmd_onerow($sql, $val);
+ return($id);
+}
+
sub add
{
my($self,$path)=@_;
+ my $relpath=$path;
+ $relpath =~ s/^\Q$self->{base}\E\/?//;
+ my($filepart,$pathpart);
+ if($path !~ /\//)
+ {
+ $pathpart='';
+ $filepart=$relpath;
+ }
+ else
+ {
+ ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
+ }
my $file=ID3FS::File->new($path);
return unless(defined($file));
my $artist=$file->artist();
my $tags=$file->tags();
my $haspic=$file->haspic();
- my $file_id=$self->add_to_table("files", $path);
- my $artists_id=$self->add_to_table("artists", $artist);
- my $albums_id=$self->add_to_table("albums", $album);
+ my $file_id=$self->add_to_table("files", $filepart);
+ my $path_id=$self->add_to_table("paths", $pathpart);
+ $self->add_relation("paths_x_files",
+ { "paths_id" => $path_id,
+ "files_id" => $file_id});
+
for my $tag (keys %$tags)
{
$self->add_tag($file_id, $tag, $tags->{$tag});
}
+ my $artist_id;
+ if($self->ok($artist))
+ {
+ $artist_id=$self->add_to_table("artists", $artist);
+ $self->add_relation("files_x_artists",
+ { "files_id" => $file_id,
+ "artists_id" => $artist_id });
+ }
+
+ if($self->ok($album))
+ {
+ my $albums_id=$self->add_to_table("albums", $album);
+ $self->add_relation("files_x_albums",
+ { "files_id" => $file_id,
+ "albums_id" => $albums_id});
+ if($self->ok($artist))
+ {
+ $self->add_relation("artists_x_albums",
+ { "artists_id" => $artist_id,
+ "albums_id" => $albums_id});
+ }
+ }
+
if($self->ok($year))
{
$self->add_tag($file_id, "year", $year);
$self->add_tag($file_id, "decade", "${1}0s");
}
}
+
if($self->ok($v1genre))
{
$self->add_tag($file_id, "v1genre", $v1genre);
{
$self->add_tag($file_id, "haspic", undef);
}
-
- $self->add_relation("files_x_artists",
- { "files_id" => $file_id,
- "artists_id" => $artists_id });
-
- $self->add_relation("artists_x_albums",
- { "artists_id" => $artists_id,
- "albums_id" => $albums_id});
}
sub add_tag
unless(defined($id))
{
my $sql="INSERT INTO $table (";
+ $sql .= "id, " if($self->{postgres});
my @fields=qw(name);
if(defined($extradata))
{
}
$sql .= join(", ", @fields);
$sql .=") VALUES (";
+ $sql .=") nextval('seq'), " if($self->{postgres});
$sql .= join(", ", map { "?"; } @fields);
$sql .= ");";
$id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
sub ok
{
my($self, $thing)=@_;
- return(defined($thing) && length($thing));
+ return(defined($thing) && length($thing) && $thing =~ /\S+/);
}
sub cmd
sub last_insert_id
{
my $self=shift;
- return $self->{dbh}->last_insert_id("","","","");
+ if($self->{postgres})
+ {
+ return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
+ { sequence => "seq" });
+ }
+ else
+ {
+ return $self->{dbh}->last_insert_id("","","","");
+ }
}
__DATA__
CREATE TABLE id3fs (
- schema_version
+ schema_version INTEGER
);
CREATE TABLE files (
id INTEGER PRIMARY KEY,
- name
+ name text
+);
+
+CREATE TABLE paths (
+ id INTEGER PRIMARY KEY,
+ name text
);
CREATE TABLE artists (
id INTEGER PRIMARY KEY,
- name
+ name text
);
CREATE TABLE albums (
id INTEGER PRIMARY KEY,
- name
+ name text
);
CREATE TABLE tags (
id INTEGER PRIMARY KEY,
- name
+ name text
);
CREATE TABLE tagvals (
id INTEGER PRIMARY KEY,
- name
+ name text
+);
+
+CREATE TABLE paths_x_files (
+ paths_id INTEGER,
+ files_id INTEGER
);
CREATE TABLE files_x_tags (
- files_id,
- tags_id
+ files_id INTEGER,
+ tags_id INTEGER
);
CREATE TABLE tags_x_tagvals (
- tags_id,
- tagvals_id
+ tags_id INTEGER,
+ tagvals_id INTEGER
);
CREATE TABLE files_x_artists (
- files_id,
- artists_id
+ files_id INTEGER,
+ artists_id INTEGER
+);
+
+CREATE TABLE files_x_albums (
+ files_id INTEGER,
+ albums_id INTEGER
);
CREATE TABLE artists_x_albums (
- artists_id,
- albums_id
+ artists_id INTEGER,
+ albums_id INTEGER
);