use ID3FS::File;
our $SCHEMA_VERSION=1;
-
my $dbfile=".id3fs";
sub new
$self->{me}=$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 @file_ids=();
+ my @tag_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(@tag_ids, $cid);
+ }
+ @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
+ my $tagstr=join(", ", @tag_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 @file_ids=();
+ my @tag_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(@tag_ids, $cid);
+ }
+ @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
+ my $tagstr=join(", ", @tag_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($self, @constraints)=@_;
+ my @file_ids=(); # FIXME: needed? what about in artists()
+ my @tag_ids=();
+ # FIXME: rework PathElements
+ if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
+ {
+ return $self->artist_albums($constraints[$#constraints]->{id});
+ }
+ return(); # FIXME
+ 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(@tag_ids, $cid);
+ }
+ @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
+ my $tagstr=join(", ", @tag_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 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 @albums=map { $_->[0]; } @$result;
+ print "ALBUMS: ", join(', ', @albums), "\n";
+ return(@albums);
+}
+
+sub album_tracks
+{
+ # FIXME: need albums_x_files table
+ my($self, $album_id)=@_;
+ my $sql=("SELECT files.name FROM albums\n\t" .
+ "INNER JOIN files_x_albums ON albums.id=files_x_albums.albums_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: $sql\n";
+ my $result=$self->cmd_rows($sql, $album_id);
+ my @tracks=map { $_->[0]; } @$result;
+ print "TRACKS: ", join(', ', @tracks), "\n";
+ return(@tracks);
+}
+
+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")
+ {
+ # FIXME
+ return(());
+# return $self->album_tracks($constraints[$#constraints]->{id});
+ }
+ return(); # FIXME
+ 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;");
+ my @tag_ids;
+ while(my $constraint=shift @constraints)
+ {
+ print "CONSTRAINT: $constraint->{name}\n";
+ my $cid=$constraint->{id};
+ push(@tag_ids, $cid);
+ }
+ @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
+ my $tagstr=join(", ", @tag_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 id
+{
+ my($self, $type, $val)=@_;
+ my $sql="SELECT id FROM $type WHERE name=?";
+ my ($id)=$self->cmd_onerow($sql, $val);
+ return($id);
+}
+
sub add
{
my($self,$path)=@_;
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 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 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 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 artists_x_albums (
- artists_id,
- albums_id
+ artists_id INTEGER,
+ albums_id INTEGER
);
projects / id3fs.git / blobdiff