use strict;
use warnings;
use DBI;
-use ID3FS::File;
+use ID3FS::AudioFile;
+use Cwd;
our $SCHEMA_VERSION=1;
-
my $dbfile=".id3fs";
sub new
my $self={};
bless($self,$class);
- my($dir, $init, $me)=@_;
- $self->{dbpath}="$dir/$dbfile";
- $self->{me}=$me;
+ $self->{me}=shift;
+ $self->{dbpath}=shift;
+ $self->{base}=shift;
+ $self->{fallbackdir}=shift;
- 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 && $init);
+ if(!defined($self->{base}) &&
+ defined($self->{fallbackdir}) &&
+ -d $self->{fallbackdir})
+ {
+ $self->{base}=$self->{fallbackdir};
+ }
+ $self->{dbpath}="$self->{base}/$dbfile" unless(defined($self->{dbpath}));
+ $self->{absbase}=Cwd::abs_path($self->{base});
- $self->{dbh}=DBI->connect("dbi:SQLite:dbname=$self->{dbpath}","","",
+ my $connectstr="dbi:SQLite:dbname=$self->{dbpath}";
+ my ($user, $pass)=("", "");
+ if($self->{postgres})
+ {
+ $connectstr="dbi:Pg:dbname=id3fs";
+ $user="ianb";
+ $pass="foo";
+ }
+ my $exists=-f $self->{dbpath};
+ $self->{dbh}=DBI->connect($connectstr, $user, $pass,
{ AutoCommit=>1 } );
unless(defined($self->{dbh}))
{
- die("$me: DB Error: " . $DBI::errstr . "\n");
+ die("$self->{me}: DB Error: " . $DBI::errstr . "\n");
}
- if($init)
+ if($exists)
{
- $self->create();
+ $self->checkschema();
}
else
{
- $self->checkschema();
+ $self->create();
}
return $self;
{
$self->{dbh}->do($cmd);
}
- $self->cmd("INSERT INTO id3fs (schema_version) VALUES (?)", $SCHEMA_VERSION);
+ if($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, last_update) VALUES (?, ?)",
+ $SCHEMA_VERSION, time());
}
sub checkschema
}
}
+sub last_update
+{
+ my($self, $newval)=@_;
+ if(defined($newval))
+ {
+ $self->cmd("UPDATE id3fs SET last_update=?", $newval);
+ }
+ else
+ {
+ ($newval)=$self->cmd_onerow("SELECT last_update from id3fs");
+ }
+ return $newval;
+}
+
sub cmd_sth
{
my($self, $sql, @params)=@_;
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)
+ {
+ 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, $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;
+ # FIXME: handle when indexing, not here
+ @tags=map { s/[^[:print:]]//g; $_; } @tags;
+ @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
+ return @tags;
+}
+
+sub artists
+{
+ my($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)
+ {
+ 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 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)
+ {
+ 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 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;
+ @names = map { s/.*\///; $_; } @names;
+ print "ARTISTTRACKS: ", join(', ', @names), "\n";
+ return(@names);
+}
+
+sub album_tracks
+{
+ my($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;
+ @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")
+ {
+ 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)
+ {
+ 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 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
+}
+
+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 $file=ID3FS::File->new($path);
+ my $relpath=$path;
+ $relpath =~ s/^\Q$self->{base}\E\/?//;
+ my($filepart,$pathpart);
+ if($path !~ /\//)
+ {
+ $pathpart='';
+ $filepart=$relpath;
+ }
+ else
+ {
+ ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
+ }
+ my $file=ID3FS::AudioFile->new($path);
return unless(defined($file));
my $artist=$file->artist();
my $album=$file->album();
my $v1genre=$file->v1genre();
my $year=$file->year();
- my $audiotype=$file->album();
-#FIXME
-# my $haspic=$file->haspic();
+ my $audiotype=$file->audiotype();
my $tags=$file->tags();
- print "$path:\n";
- for my $thing (qw(artist album v1genre year audiotype))
+ my $haspic=$file->haspic();
+
+ $artist=undef unless($self->ok($artist));
+ my $artist_id=$self->add_to_table("artists", $artist);
+ my $path_id=$self->add_to_table("paths", $pathpart);
+ $album=undef unless($self->ok($album));
+ my $albums_id=$self->add_to_table("albums", $album);
+ my $file_id=$self->add_to_table("files", $filepart,
+ { "artists_id" => $artist_id,
+ "albums_id" => $albums_id,
+ "paths_id" => $path_id });
+ for my $tag (keys %$tags)
{
- no strict 'refs';
- my $thingval=$file->$thing();
- use strict 'refs';
- print("\t$thing: ", $thingval, "\n") if(defined($thingval));
+ $self->add_tag($file_id, $tag, $tags->{$tag});
+ }
+
+ if($self->ok($year))
+ {
+ $self->add_tag($file_id, "year", $year);
+ if($year=~/^(\d\d\d)\d$/)
+ {
+ $self->add_tag($file_id, "decade", "${1}0s");
+ }
+ }
+
+ if($self->ok($v1genre))
+ {
+ $self->add_tag($file_id, "v1genre", $v1genre);
+ }
+
+ if($haspic)
+ {
+ $self->add_tag($file_id, "haspic", undef);
}
}
+sub add_tag
+{
+ my($self, $file_id, $tag, $val)=@_;
+ my $tag_id=$self->add_to_table("tags", $tag);
+ $self->add_relation("files_x_tags",
+ { "files_id" => $file_id,
+ "tags_id" => $tag_id });
+ if(defined($val))
+ {
+ my $val_id=$self->add_to_table("tagvals", $val);
+ $self->add_relation("tags_x_tagvals",
+ { "tags_id" => $tag_id,
+ "tagvals_id" => $val_id });
+ }
+}
+
+sub add_to_table
+{
+ my($self, $table, $name, $extradata)=@_;
+ my $id=$self->lookup_id($table, $name);
+ unless(defined($id))
+ {
+ my $sql="INSERT INTO $table (";
+ $sql .= "id, " if($self->{postgres});
+ my @fields=qw(name);
+ if(defined($extradata))
+ {
+ push(@fields, sort keys(%$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);
+ }
+ return $id;
+}
+
+sub add_relation
+{
+ my ($self, $relname, $fields)=@_;
+ return if($self->relation_exists($relname, $fields));
+ my $sql="INSERT INTO $relname (";
+ $sql .= join(", ", sort keys(%$fields));
+ $sql .= ") VALUES (";
+ $sql .= join(", ", map { "?"; } sort keys(%$fields));
+ $sql .= ");";
+ $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
+}
+
+sub lookup_id
+{
+ my($self, $table, $name)=@_;
+ my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
+ return $id;
+}
+
+sub tag_has_values
+{
+ my($self, $id)=@_;
+ my $sql=("SELECT COUNT(*) FROM tags\n\t" .
+ "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
+ "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
+ "WHERE tags.id=?\n");
+ my ($rows)=$self->cmd_onerow($sql, $id);
+ return $rows;
+}
+
+sub relation_exists
+{
+ my ($self, $relname, $fields)=@_;
+ my $sql="SELECT count(1) FROM $relname WHERE ";
+ my @exprs=();
+ my @vals=();
+ for my $field (keys %$fields)
+ {
+ push(@exprs,$field);
+ push(@vals,$fields->{$field});
+ }
+ $sql .= join(' AND ', map { "$_=?"; } @exprs);
+ my ($ret)=$self->cmd_onerow($sql, @vals);
+ return $ret;
+}
+
+sub ok
+{
+ my($self, $thing)=@_;
+ return(defined($thing) && length($thing) && $thing =~ /\S+/);
+}
+
sub cmd
{
my ($self, @args)=@_;
return($sth->fetchrow_array());
}
+sub cmd_rows
+{
+ my ($self, @args)=@_;
+ my $sth=$self->cmd_sth(@args);
+ return $sth->fetchall_arrayref();
+}
+
+sub cmd_id
+{
+ my ($self, @args)=@_;
+ $self->cmd_sth(@args);
+ return($self->last_insert_id());
+}
+
+sub last_insert_id
+{
+ my $self=shift;
+ if($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,
+ last_update
);
CREATE TABLE files (
id INTEGER PRIMARY KEY,
- path
+ artists_id,
+ albums_id,
+ paths_id,
+ name text
+);
+
+CREATE TABLE paths (
+ id INTEGER PRIMARY KEY,
+ name text
+);
+
+CREATE TABLE artists (
+ id INTEGER PRIMARY KEY,
+ name text
+);
+
+CREATE TABLE albums (
+ id INTEGER PRIMARY KEY,
+ name text
);
CREATE TABLE tags (
id INTEGER PRIMARY KEY,
- name
+ name text
);
-CREATE TABLE tagvalues (
+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_tagvalues (
- tags_id,
- tagvalues_id
+CREATE TABLE tags_x_tagvals (
+ tags_id INTEGER,
+ tagvals_id INTEGER
);
-