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});
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)=@_;
279 my $sql=("SELECT albums.name FROM files\n\t" .
280 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
281 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
282 "WHERE artists.id=? and albums.name <> ''\n\t" .
283 "GROUP BY albums.name\n");
284 print "ARTIST_ALBUMS SQL: $sql\n";
285 my $result=$self->cmd_rows($sql, $artist_id);
286 my @albums=map { $_->[0]; } @$result;
287 print "ALBUMS: ", join(', ', @albums), "\n";
293 my($self, $artist_id)=@_;
294 my $sql=("SELECT files.name FROM files\n\t" .
295 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
296 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
297 "WHERE artists.id=? AND albums.name=''\n\t" .
298 "GROUP BY files.name\n");
299 print "ARTIST_TRACKS SQL: $sql\n";
300 my $result=$self->cmd_rows($sql, $artist_id);
301 my @names=map { $_->[0]; } @$result;
302 print "ARTISTTRACKS: ", join(', ', @names), "\n";
308 my($self, $artist_id, $album_id)=@_;
309 my $sql=("SELECT files.name FROM files\n\t" .
310 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
311 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
312 "WHERE artists.id=? AND albums.id=?\n\t" .
313 "GROUP BY files.name\n");
314 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
315 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
316 my @names=map { $_->[0]; } @$result;
317 print "TRACKS: ", join(', ', @names), "\n";
323 my($self, @constraints)=@_;
324 # FIXME: rework PathElements
325 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
327 return $self->artist_tracks($constraints[$#constraints]->{id});
329 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
332 my $artist=$constraints[($#constraints)-1];
333 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
335 # should always happen
336 $artist_id=$artist->{id};
338 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
341 my $sql=("SELECT files.name\n" .
343 $self->tags_subselect(@constraints) .
344 "\t) AS subselect\n" .
345 "INNER JOIN files ON files.id=subselect.files_id\n" .
346 "GROUP BY files.name;");
348 my $result=$self->cmd_rows($sql);
349 my @names=map { $_->[0]; } @$result;
350 print "TRACKS: ", join(', ', @names), "\n";
356 my($self, $mountpoint, @constraints)=@_;
357 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
359 my $id=$constraints[$#constraints]->{id};
360 my $sql=("SELECT paths.name, files.name FROM files\n" .
361 "INNER JOIN paths ON files.paths_id=paths.id\n" .
362 "WHERE files.id=?\n" .
363 "GROUP BY paths.name, files.name");
364 print "FILENAME SQL: $sql\n";
365 my ($path, $name)=$self->cmd_onerow($sql, $id);
366 my $id3fs_path=join('/', map { $_->{name}; } @constraints);
367 return($self->relativise($path, $name, $mountpoint, $id3fs_path));
369 die("DB::filename: unhandled case\n"); #FIXME
374 my($self,@constraints)=@_;
375 my @ids = grep { defined; } map { $_->{id}; } @constraints;
376 @ids=map( { "\"$_\""; } @ids) unless($self->{postgres});
377 my $sql=("\tSELECT files_id FROM tags t1\n" .
378 "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
379 "\tWHERE t1.id IN (\n\t\t" .
388 my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
389 $id3fs_path=~s/(.*)\/.*/$1/;
390 my $rpath="$self->{absbase}/$path";
391 my $vpath="$mountpoint/$id3fs_path";
392 my @path=split(/\//,$rpath);
393 my @rel=split(/\//,$vpath);
394 #absolute paths have empty first element due to leading /
395 shift(@path) if($path[0] eq "");
396 shift(@rel) if($rel[0] eq "");
397 if($path[0] ne $rel[0])
399 #no path in common, return absolute
400 print "FAIL: NO PATHS IN COMMON\n";
403 # f: /home/foo/bar/baz.mp3
404 # r: /home/ianb/music/albums
405 while(@path && @rel && ($path[0] eq $rel[0]))
412 my $upcount=scalar(@rel);
413 my $result="../" x $upcount;
414 $result .= join("/",@path);
422 my $sql=("SELECT tags.name FROM tags\n" .
423 "LEFT JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
424 "WHERE tags_x_tagvals.tags_id IS NULL\n" .
425 "GROUP BY tags.name\n");
426 my $result=$self->cmd_rows($sql);
427 my @names=map { $_->[0]; } @$result;
434 my $sql=("SELECT tags.name, tagvals.name FROM tags\n" .
435 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
436 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
437 "GROUP BY tags.name, tagvals.name\n");
438 my $result=$self->cmd_rows($sql);
440 for my $pair (@$result)
442 push(@{$tags->{$pair->[0]}}, $pair->[1]);
449 my($self, $type, $val)=@_;
450 my $sql="SELECT id FROM $type WHERE name=?";
451 my ($id)=$self->cmd_onerow($sql, $val);
459 $relpath =~ s/^\Q$self->{base}\E\/?//;
460 my($filepart,$pathpart);
468 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
470 my $file=ID3FS::AudioFile->new($path, $self->{me});
471 return unless(defined($file));
472 my $artist=$file->artist();
473 my $album=$file->album();
474 my $v1genre=$file->v1genre();
475 my $year=$file->year();
476 my $audiotype=$file->audiotype();
477 my $tags=$file->tags();
478 my $haspic=$file->haspic();
480 $artist=undef unless($self->ok($artist));
481 print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
482 my $artist_id=$self->add_to_table("artists", $artist);
483 my $path_id=$self->add_to_table("paths", $pathpart);
484 $album=undef unless($self->ok($album));
485 if($self->{verbose} && !defined($album))
487 print "$self->{me}: $path: no album tag defined\n";
490 my $albums_id=$self->add_to_table("albums", $album);
491 my $file_id=$self->add_to_table("files", $filepart,
492 { "artists_id" => $artist_id,
493 "albums_id" => $albums_id,
494 "paths_id" => $path_id });
495 for my $tag (keys %$tags)
497 $self->add_tag($file_id, $tag, $tags->{$tag});
502 $self->add_tag($file_id, "year", $year);
503 if($year=~/^(\d\d\d)\d$/)
505 $self->add_tag($file_id, "decade", "${1}0s");
509 if($self->ok($v1genre))
511 $self->add_tag($file_id, "v1genre", $v1genre);
516 $self->add_tag($file_id, "haspic", undef);
522 my($self, $file_id, $tag, $val)=@_;
523 my $tag_id=$self->add_to_table("tags", $tag);
524 $self->add_relation("files_x_tags",
525 { "files_id" => $file_id,
526 "tags_id" => $tag_id });
529 my $val_id=$self->add_to_table("tagvals", $val);
530 $self->add_relation("tags_x_tagvals",
531 { "tags_id" => $tag_id,
532 "tagvals_id" => $val_id });
538 my($self, $table, $name, $extradata)=@_;
539 my $id=$self->lookup_id($table, $name);
542 my $sql="INSERT INTO $table (";
543 $sql .= "id, " if($self->{postgres});
545 if(defined($extradata))
547 push(@fields, sort keys(%$extradata));
549 $sql .= join(", ", @fields);
551 $sql .=") nextval('seq'), " if($self->{postgres});
552 $sql .= join(", ", map { "?"; } @fields);
554 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
561 my ($self, $relname, $fields)=@_;
562 return if($self->relation_exists($relname, $fields));
563 my $sql="INSERT INTO $relname (";
564 $sql .= join(", ", sort keys(%$fields));
565 $sql .= ") VALUES (";
566 $sql .= join(", ", map { "?"; } sort keys(%$fields));
568 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
573 my($self, $table, $name)=@_;
574 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
581 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
582 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
583 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
584 "WHERE tags.id=?\n");
585 my ($rows)=$self->cmd_onerow($sql, $id);
592 $dir=~s/^$self->{base}\/?//;
593 my $sql=("SELECT files.name FROM files\n" .
594 "INNER JOIN paths ON files.paths_id=paths.id\n" .
595 "WHERE paths.name=?\n");
596 my $files=$self->cmd_rows($sql, $dir);
597 return(map { $_->[0]; } @$files);
600 sub prune_directories
603 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
604 my $pathsref=$self->cmd_rows($sql);
606 for my $pathpair (@$pathsref)
608 my($path, $id)=@$pathpair;
609 my $fullpath="$self->{absbase}/$path";
615 $self->prune_paths(@ids);
623 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
624 join(', ', map { "\"$_\""; } @ids). "\n\t)");
625 print "SQL: \n", $sql, "\n";
633 DELETE FROM artists WHERE id IN (
634 SELECT artists.id FROM artists
635 LEFT JOIN files ON files.artists_id=artists.id
636 WHERE files.id IS NULL);
638 DELETE FROM albums WHERE id IN (
639 SELECT albums.id FROM albums
640 LEFT JOIN files ON files.albums_id=albums.id
641 WHERE files.id IS NULL);
643 DELETE FROM paths WHERE id IN (
644 SELECT paths.id FROM paths
645 LEFT JOIN files ON files.paths_id=paths.id
646 WHERE files.id IS NULL);
648 DELETE FROM files_x_tags WHERE files_id IN (
649 SELECT files_x_tags.files_id FROM files_x_tags
650 LEFT JOIN files ON files.id=files_x_tags.files_id
651 WHERE files.id IS NULL);
653 DELETE FROM tags WHERE id IN (
654 SELECT tags.id FROM tags
655 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
656 WHERE files_x_tags.files_id IS NULL);
658 DELETE FROM tags_x_tagvals WHERE tags_id IN (
659 SELECT tags_x_tagvals.tags_id FROM tags_x_tagvals
660 LEFT JOIN tags ON tags.id=tags_x_tagvals.tags_id
661 WHERE tags.id IS NULL);
663 DELETE FROM tagvals WHERE id IN (
664 SELECT tagvals.id FROM tagvals
665 LEFT JOIN tags_x_tagvals ON tags_x_tagvals.tagvals_id=tagvals.id
666 WHERE tags_x_tagvals.tagvals_id IS NULL);
669 my @sql=split(/\n\n/, $sql);
670 $self->cmd($_) for (@sql);
675 my ($self, $relname, $fields)=@_;
676 my $sql="SELECT count(1) FROM $relname WHERE ";
679 for my $field (keys %$fields)
682 push(@vals,$fields->{$field});
684 $sql .= join(' AND ', map { "$_=?"; } @exprs);
685 my ($ret)=$self->cmd_onerow($sql, @vals);
691 my($self, $thing)=@_;
692 return(defined($thing) && length($thing) && $thing =~ /\S+/);
697 my ($self, @args)=@_;
698 # don't care about retcode
699 $self->cmd_sth(@args);
704 my ($self, @args)=@_;
705 my $sth=$self->cmd_sth(@args);
706 return($sth->fetchrow_array());
711 my ($self, @args)=@_;
712 my $sth=$self->cmd_sth(@args);
713 return $sth->fetchall_arrayref();
718 my ($self, @args)=@_;
719 $self->cmd_sth(@args);
720 return($self->last_insert_id());
726 if($self->{postgres})
728 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
729 { sequence => "seq" });
733 return $self->{dbh}->last_insert_id("","","","");
740 schema_version INTEGER,
745 id INTEGER PRIMARY KEY,
749 CREATE TABLE artists (
750 id INTEGER PRIMARY KEY,
754 CREATE TABLE albums (
755 id INTEGER PRIMARY KEY,
760 id INTEGER PRIMARY KEY,
765 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
766 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
767 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
771 id INTEGER PRIMARY KEY,
775 CREATE TABLE tagvals (
776 id INTEGER PRIMARY KEY,
780 CREATE TABLE files_x_tags (
783 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
784 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE
787 CREATE TABLE tags_x_tagvals (
790 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE,
791 FOREIGN KEY(tagvals_id) REFERENCES tagvals(id) ON DELETE CASCADE ON UPDATE CASCADE