15 my $class=ref($proto) || $proto;
20 $self->{verbose}=shift;
24 my $fallbackdir=shift;
26 $dbpath=$self->find_db($init, $dbpath, $fallbackdir);
27 return undef unless($dbpath);
28 $self->{absbase}=Cwd::abs_path($self->{base});
30 my $connectstr="dbi:SQLite:dbname=$dbpath";
31 my ($user, $pass)=("", "");
34 $connectstr="dbi:Pg:dbname=id3fs";
38 my $exists=-f $dbpath;
39 $self->{dbh}=DBI->connect($connectstr, $user, $pass,
41 unless(defined($self->{dbh}))
43 die("$self->{me}: DB Error: " . $DBI::errstr . "\n");
54 $self->enable_foreign_keys();
60 my($self, $init, $dbpath, $fallbackdir)=@_;
67 if(defined ($self->{base}))
69 $file="$self->{base}/$dbfile" unless defined($file);
72 elsif(defined($fallbackdir) && -d $fallbackdir)
74 my $path=Cwd::abs_path($fallbackdir);
77 $file="$path/$dbfile";
79 $path=~s/(.*)\/.*/$1/;
81 while(! -f $file && length($path) && -d $path);
84 $file="$fallbackdir/$dbfile";
88 if(!-f $file && !$init)
90 print "$self->{me}: db not found at $file\n";
97 sub base_dir { return shift->{base}; }
102 my @schema=split(/\n\n/,join("", <DATA>));
104 for my $cmd (@schema)
106 $self->{dbh}->do($cmd);
108 if($self->{postgres})
110 $self->cmd("CREATE SEQUENCE seq");
114 my %indexes=( "idx_files_id" => "files (id)",
115 "idx_fxt_both" => "files_x_tags (files_id, tags_id)",
116 "idx_fxt_files" => "files_x_tags (files_id)",
117 "idx_fxt_tags" => "files_x_tags (tags_id)",
118 "idx_tags_id" => "tags (id)",
119 "idx_tags_name" => "tags (name)");
120 for my $index (keys %indexes)
122 $self->{dbh}->do("CREATE INDEX $index ON " . $indexes{$index});
125 $self->cmd("INSERT INTO id3fs (schema_version, last_update) VALUES (?, ?)",
126 $SCHEMA_VERSION, time());
132 my ($version)=$self->cmd_onerow("SELECT schema_version from id3fs");
133 if(!defined($version) || $version != $SCHEMA_VERSION)
135 die("$self->{me}: id3fs database version " .
136 defined($version) ? $version : '""' .
137 "not known, current version is $SCHEMA_VERSION.\n");
144 $self->cmd("ANALYZE");
147 sub enable_foreign_keys
150 $self->cmd("PRAGMA foreign_keys = ON");
155 my($self, $newval)=@_;
158 $self->cmd("UPDATE id3fs SET last_update=?", $newval);
162 ($newval)=$self->cmd_onerow("SELECT last_update from id3fs");
169 my($self, $sql, @params)=@_;
170 my $sth=$self->{dbh}->prepare($sql);
172 for my $param (@params)
174 $param="" unless(defined($param));
175 $sth->bind_param($idx++, $param);
183 my($self, @constraints)=@_;
184 if(!@constraints) # /
187 my $sql="SELECT DISTINCT name FROM tags;";
188 my $tags=$self->cmd_rows($sql);
189 return(map { $_->[0]; } @$tags);
193 my $main_sql_start=("SELECT t2.name\n" .
195 $self->tags_subselect(@constraints) .
197 "INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
198 "INNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
199 "WHERE t2.id NOT IN (");
200 my $main_sql_end=")\nGROUP BY t2.name;";
201 # FIXME: generalise more?
203 while(my $constraint=shift @constraints)
205 my $cid=$constraint->{id};
208 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
209 my $tagstr=join(", ", @ids);
210 my $sql = ($main_sql_start . $tagstr .
213 my $result=$self->cmd_rows($sql);
214 my @tagnames=map { $_->[0]; } @$result;
215 print "SUBNAMES: ", join(', ', @tagnames), "\n";
221 my($self, $tagid)=@_;
222 my $sql=("SELECT DISTINCT tagvals.name FROM tagvals\n" .
223 "INNER JOIN tags_x_tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
224 "WHERE tags_x_tagvals.tags_id=?");
225 my $tags=$self->cmd_rows($sql, $tagid);
226 my @tags=map { $_->[0]; } @$tags;
227 @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
233 my($self, @constraints)=@_;
234 if(!@constraints) # /ALL
236 my $sql="SELECT DISTINCT name FROM artists;";
237 my $tags=$self->cmd_rows($sql);
238 return(map { $_->[0]; } @$tags);
241 my $sql=("SELECT artists.name FROM (\n" .
242 $self->tags_subselect(@constraints) .
244 "INNER JOIN files ON subselect.files_id=files.id\n" .
245 "INNER JOIN artists ON files.artists_id=artists.id\n" .
246 "GROUP BY artists.name;");
248 my $result=$self->cmd_rows($sql);
249 my @tagnames=map { $_->[0]; } @$result;
250 print "ARTISTS: ", join(', ', @tagnames), "\n";
256 my($self, @constraints)=@_;
258 # FIXME: rework PathElements
259 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
261 return $self->artist_albums($constraints[$#constraints]->{id}, @constraints);
263 my $sql=("SELECT albums.name\n" .
265 $self->tags_subselect(@constraints) .
266 "\t) AS subselect\n" .
267 "INNER JOIN files ON subselect.files_id=files.id\n" .
268 "INNER JOIN albums ON files.albums_id=albums.id\n" .
269 "GROUP BY albums.name;");
270 my $result=$self->cmd_rows($sql);
271 my @names=map { $_->[0]; } @$result;
272 print "ALBUMS: ", join(', ', @names), "\n";
278 my($self, $artist_id, @constraints)=@_;
279 my $sql=("SELECT albums.name FROM (\n" .
280 $self->tags_subselect(@constraints) .
281 "\t) AS subselect\n" .
282 "INNER JOIN files ON subselect.files_id=files.id\n" .
283 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
284 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
285 "WHERE artists.id=? and albums.name <> ''\n\t" .
286 "GROUP BY albums.name\n");
287 print "ARTIST_ALBUMS SQL: $sql\n";
288 my $result=$self->cmd_rows($sql, $artist_id);
289 my @albums=map { $_->[0]; } @$result;
290 print "ALBUMS: ", join(', ', @albums), "\n";
296 my($self, $artist_id)=@_;
297 my $sql=("SELECT files.name FROM files\n\t" .
298 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
299 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
300 "WHERE artists.id=? AND albums.name=''\n\t" .
301 "GROUP BY files.name\n");
302 print "ARTIST_TRACKS SQL: $sql\n";
303 my $result=$self->cmd_rows($sql, $artist_id);
304 my @names=map { $_->[0]; } @$result;
305 print "ARTISTTRACKS: ", join(', ', @names), "\n";
311 my($self, $artist_id, $album_id)=@_;
312 my $sql=("SELECT files.name FROM files\n\t" .
313 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
314 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
315 "WHERE artists.id=? AND albums.id=?\n\t" .
316 "GROUP BY files.name\n");
317 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
318 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
319 my @names=map { $_->[0]; } @$result;
320 print "TRACKS: ", join(', ', @names), "\n";
326 my($self, @constraints)=@_;
327 # FIXME: rework PathElements
328 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
330 return $self->artist_tracks($constraints[$#constraints]->{id});
332 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
335 my $artist=$constraints[($#constraints)-1];
336 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
338 # should always happen
339 $artist_id=$artist->{id};
341 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
344 my $sql=("SELECT files.name\n" .
346 $self->tags_subselect(@constraints) .
347 "\t) AS subselect\n" .
348 "INNER JOIN files ON files.id=subselect.files_id\n" .
349 "GROUP BY files.name;");
351 my $result=$self->cmd_rows($sql);
352 my @names=map { $_->[0]; } @$result;
353 print "TRACKS: ", join(', ', @names), "\n";
359 my($self, $mountpoint, @constraints)=@_;
360 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
362 my $id=$constraints[$#constraints]->{id};
363 my $sql=("SELECT paths.name, files.name FROM files\n" .
364 "INNER JOIN paths ON files.paths_id=paths.id\n" .
365 "WHERE files.id=?\n" .
366 "GROUP BY paths.name, files.name");
367 print "FILENAME SQL: $sql\n";
368 my ($path, $name)=$self->cmd_onerow($sql, $id);
369 my $id3fs_path=join('/', map { $_->{name}; } @constraints);
370 return($self->relativise($path, $name, $mountpoint, $id3fs_path));
372 die("DB::filename: unhandled case\n"); #FIXME
377 my($self,@constraints)=@_;
378 my @ids = grep { defined; } map { $_->{id}; } @constraints;
379 @ids=map( { "\"$_\""; } @ids) unless($self->{postgres});
380 my $sql=("\tSELECT files_id FROM tags t1\n" .
381 "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
382 "\tWHERE t1.id IN (\n\t\t" .
391 my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
392 $id3fs_path=~s/(.*)\/.*/$1/;
393 my $rpath="$self->{absbase}/$path";
394 my $vpath="$mountpoint/$id3fs_path";
395 my @path=split(/\//,$rpath);
396 my @rel=split(/\//,$vpath);
397 #absolute paths have empty first element due to leading /
398 shift(@path) if($path[0] eq "");
399 shift(@rel) if($rel[0] eq "");
400 if($path[0] ne $rel[0])
402 #no path in common, return absolute
403 print "FAIL: NO PATHS IN COMMON\n";
406 # f: /home/foo/bar/baz.mp3
407 # r: /home/ianb/music/albums
408 while(@path && @rel && ($path[0] eq $rel[0]))
415 my $upcount=scalar(@rel);
416 my $result="../" x $upcount;
417 $result .= join("/",@path);
425 my $sql=("SELECT tags.name FROM tags\n" .
426 "LEFT JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
427 "WHERE tags_x_tagvals.tags_id IS NULL\n" .
428 "GROUP BY tags.name\n");
429 my $result=$self->cmd_rows($sql);
430 my @names=map { $_->[0]; } @$result;
437 my $sql=("SELECT tags.name, tagvals.name FROM tags\n" .
438 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
439 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
440 "GROUP BY tags.name, tagvals.name\n");
441 my $result=$self->cmd_rows($sql);
443 for my $pair (@$result)
445 push(@{$tags->{$pair->[0]}}, $pair->[1]);
452 my($self, $type, $val)=@_;
453 my $sql="SELECT id FROM $type WHERE name=?";
454 my ($id)=$self->cmd_onerow($sql, $val);
462 $relpath =~ s/^\Q$self->{base}\E\/?//;
463 my($filepart,$pathpart);
471 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
473 my $file=ID3FS::AudioFile->new($path, $self->{me});
474 return unless(defined($file));
475 my $artist=$file->artist();
476 my $album=$file->album();
477 my $v1genre=$file->v1genre();
478 my $year=$file->year();
479 my $audiotype=$file->audiotype();
480 my $tags=$file->tags();
481 my $haspic=$file->haspic();
483 $artist=undef unless($self->ok($artist));
484 print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
485 my $artist_id=$self->add_to_table("artists", $artist);
486 my $path_id=$self->add_to_table("paths", $pathpart);
487 $album=undef unless($self->ok($album));
488 if($self->{verbose} && !defined($album))
490 print "$self->{me}: $path: no album tag defined\n";
493 my $albums_id=$self->add_to_table("albums", $album);
494 my $file_id=$self->add_to_table("files", $filepart,
495 { "artists_id" => $artist_id,
496 "albums_id" => $albums_id,
497 "paths_id" => $path_id });
498 for my $tag (keys %$tags)
500 $self->add_tag($file_id, $tag, $tags->{$tag});
505 $self->add_tag($file_id, "year", $year);
506 if($year=~/^(\d\d\d)\d$/)
508 $self->add_tag($file_id, "decade", "${1}0s");
512 if($self->ok($v1genre))
514 $self->add_tag($file_id, "v1genre", $v1genre);
519 $self->add_tag($file_id, "haspic", undef);
525 my($self, $file_id, $tag, $val)=@_;
526 my $tag_id=$self->add_to_table("tags", $tag);
527 $self->add_relation("files_x_tags",
528 { "files_id" => $file_id,
529 "tags_id" => $tag_id });
532 my $val_id=$self->add_to_table("tagvals", $val);
533 $self->add_relation("tags_x_tagvals",
534 { "tags_id" => $tag_id,
535 "tagvals_id" => $val_id });
541 my($self, $table, $name, $extradata)=@_;
542 my $id=$self->lookup_id($table, $name);
545 my $sql="INSERT INTO $table (";
546 $sql .= "id, " if($self->{postgres});
548 if(defined($extradata))
550 push(@fields, sort keys(%$extradata));
552 $sql .= join(", ", @fields);
554 $sql .=") nextval('seq'), " if($self->{postgres});
555 $sql .= join(", ", map { "?"; } @fields);
557 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
564 my ($self, $relname, $fields)=@_;
565 return if($self->relation_exists($relname, $fields));
566 my $sql="INSERT INTO $relname (";
567 $sql .= join(", ", sort keys(%$fields));
568 $sql .= ") VALUES (";
569 $sql .= join(", ", map { "?"; } sort keys(%$fields));
571 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
576 my($self, $table, $name)=@_;
577 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
584 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
585 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
586 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
587 "WHERE tags.id=?\n");
588 my ($rows)=$self->cmd_onerow($sql, $id);
595 $dir=~s/^$self->{base}\/?//;
596 my $sql=("SELECT files.name FROM files\n" .
597 "INNER JOIN paths ON files.paths_id=paths.id\n" .
598 "WHERE paths.name=?\n");
599 my $files=$self->cmd_rows($sql, $dir);
600 return(map { $_->[0]; } @$files);
603 sub prune_directories
606 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
607 my $pathsref=$self->cmd_rows($sql);
609 for my $pathpair (@$pathsref)
611 my($path, $id)=@$pathpair;
612 my $fullpath="$self->{absbase}/$path";
618 $self->prune_paths(@ids);
626 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
627 join(', ', map { "\"$_\""; } @ids). "\n\t)");
628 print "SQL: \n", $sql, "\n";
636 DELETE FROM artists WHERE id IN (
637 SELECT artists.id FROM artists
638 LEFT JOIN files ON files.artists_id=artists.id
639 WHERE files.id IS NULL);
641 DELETE FROM albums WHERE id IN (
642 SELECT albums.id FROM albums
643 LEFT JOIN files ON files.albums_id=albums.id
644 WHERE files.id IS NULL);
646 DELETE FROM paths WHERE id IN (
647 SELECT paths.id FROM paths
648 LEFT JOIN files ON files.paths_id=paths.id
649 WHERE files.id IS NULL);
651 DELETE FROM files_x_tags WHERE files_id IN (
652 SELECT files_x_tags.files_id FROM files_x_tags
653 LEFT JOIN files ON files.id=files_x_tags.files_id
654 WHERE files.id IS NULL);
656 DELETE FROM tags WHERE id IN (
657 SELECT tags.id FROM tags
658 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
659 WHERE files_x_tags.files_id IS NULL);
661 DELETE FROM tags_x_tagvals WHERE tags_id IN (
662 SELECT tags_x_tagvals.tags_id FROM tags_x_tagvals
663 LEFT JOIN tags ON tags.id=tags_x_tagvals.tags_id
664 WHERE tags.id IS NULL);
666 DELETE FROM tagvals WHERE id IN (
667 SELECT tagvals.id FROM tagvals
668 LEFT JOIN tags_x_tagvals ON tags_x_tagvals.tagvals_id=tagvals.id
669 WHERE tags_x_tagvals.tagvals_id IS NULL);
672 my @sql=split(/\n\n/, $sql);
673 $self->cmd($_) for (@sql);
678 my ($self, $relname, $fields)=@_;
679 my $sql="SELECT count(1) FROM $relname WHERE ";
682 for my $field (keys %$fields)
685 push(@vals,$fields->{$field});
687 $sql .= join(' AND ', map { "$_=?"; } @exprs);
688 my ($ret)=$self->cmd_onerow($sql, @vals);
694 my($self, $thing)=@_;
695 return(defined($thing) && length($thing) && $thing =~ /\S+/);
700 my ($self, @args)=@_;
701 # don't care about retcode
702 $self->cmd_sth(@args);
707 my ($self, @args)=@_;
708 my $sth=$self->cmd_sth(@args);
709 return($sth->fetchrow_array());
714 my ($self, @args)=@_;
715 my $sth=$self->cmd_sth(@args);
716 return $sth->fetchall_arrayref();
721 my ($self, @args)=@_;
722 $self->cmd_sth(@args);
723 return($self->last_insert_id());
729 if($self->{postgres})
731 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
732 { sequence => "seq" });
736 return $self->{dbh}->last_insert_id("","","","");
743 schema_version INTEGER,
748 id INTEGER PRIMARY KEY,
752 CREATE TABLE artists (
753 id INTEGER PRIMARY KEY,
757 CREATE TABLE albums (
758 id INTEGER PRIMARY KEY,
763 id INTEGER PRIMARY KEY,
768 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
769 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
770 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
774 id INTEGER PRIMARY KEY,
778 CREATE TABLE tagvals (
779 id INTEGER PRIMARY KEY,
783 CREATE TABLE files_x_tags (
786 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
787 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE
790 CREATE TABLE tags_x_tagvals (
793 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE,
794 FOREIGN KEY(tagvals_id) REFERENCES tagvals(id) ON DELETE CASCADE ON UPDATE CASCADE