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" .
194 "\tFROM (SELECT files_id FROM tags t1\n" .
195 "\t\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
196 "\t\tWHERE t1.id in\n\t\t\t(");
197 my $main_sql_mid=(")\n\t\t) AS subselect\n" .
198 "\tINNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
199 "\tINNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
200 "\tWHERE t2.id NOT IN (");
201 my $main_sql_end=")\n\tGROUP BY t2.name;";
202 while(my $constraint=shift @constraints)
204 my $cid=$constraint->{id};
207 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
208 my $tagstr=join(", ", @ids);
209 my $sql = ($main_sql_start . $tagstr .
210 $main_sql_mid . $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 $main_sql_start=("SELECT artists.name\n" .
242 "\tFROM (SELECT files_id FROM tags\n" .
243 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
244 "\t\tWHERE tags.id in\n\t\t\t(");
245 my $main_sql_end=(")\n\t\t) AS subselect\n" .
246 "\tINNER JOIN files ON subselect.files_id=files.id\n" .
247 "\tINNER JOIN artists ON files.artists_id=artists.id\n" .
248 "\n\tGROUP BY artists.name;");
249 while(my $constraint=shift @constraints)
251 my $cid=$constraint->{id};
254 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
255 my $tagstr=join(", ", @ids);
256 my $sql = ($main_sql_start . $tagstr .
259 my $result=$self->cmd_rows($sql);
260 my @tagnames=map { $_->[0]; } @$result;
261 print "ARTISTS: ", join(', ', @tagnames), "\n";
267 my($self, @constraints)=@_;
269 # FIXME: rework PathElements
270 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
272 return $self->artist_albums($constraints[$#constraints]->{id});
274 my $main_sql_start=("SELECT albums.name\n" .
275 "\tFROM (SELECT files_id FROM tags\n" .
276 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
277 "\t\tWHERE tags.id in\n\t\t\t(");
278 my $main_sql_end=(")\n\t\t) AS subselect\n" .
279 "\tINNER JOIN files ON subselect.files_id=files.id\n" .
280 "\tINNER JOIN albums ON files.albums_id=albums.id\n" .
281 "\n\tGROUP BY albums.name;");
282 while(my $constraint=shift @constraints)
284 my $cid=$constraint->{id};
287 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
288 my $str=join(", ", @ids);
289 my $sql = ($main_sql_start . $str .
291 my $result=$self->cmd_rows($sql);
292 my @names=map { $_->[0]; } @$result;
293 print "ALBUMS: ", join(', ', @names), "\n";
299 my($self, $artist_id)=@_;
300 my $sql=("SELECT albums.name FROM files\n\t" .
301 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
302 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
303 "WHERE artists.id=? and albums.name <> ''\n\t" .
304 "GROUP BY albums.name\n");
305 print "ARTIST_ALBUMS SQL: $sql\n";
306 my $result=$self->cmd_rows($sql, $artist_id);
307 my @albums=map { $_->[0]; } @$result;
308 print "ALBUMS: ", join(', ', @albums), "\n";
314 my($self, $artist_id)=@_;
315 my $sql=("SELECT files.name FROM files\n\t" .
316 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
317 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
318 "WHERE artists.id=? AND albums.name=''\n\t" .
319 "GROUP BY files.name\n");
320 print "ARTIST_TRACKS SQL: $sql\n";
321 my $result=$self->cmd_rows($sql, $artist_id);
322 my @names=map { $_->[0]; } @$result;
323 print "ARTISTTRACKS: ", join(', ', @names), "\n";
329 my($self, $artist_id, $album_id)=@_;
330 my $sql=("SELECT files.name FROM files\n\t" .
331 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
332 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
333 "WHERE artists.id=? AND albums.id=?\n\t" .
334 "GROUP BY files.name\n");
335 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
336 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
337 my @names=map { $_->[0]; } @$result;
338 print "TRACKS: ", join(', ', @names), "\n";
344 my($self, @constraints)=@_;
345 # FIXME: rework PathElements
346 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
348 return $self->artist_tracks($constraints[$#constraints]->{id});
350 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
353 my $artist=$constraints[($#constraints)-1];
354 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
356 # should always happen
357 $artist_id=$artist->{id};
359 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
362 my $main_sql_start=("SELECT files.name\n" .
363 "\tFROM (SELECT files_id FROM tags\n" .
364 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
365 "\t\tWHERE tags.id in\n\t\t\t(");
366 my $main_sql_end=(")\n\t\t) AS subselect\n" .
367 "\tINNER JOIN files ON files.id=subselect.files_id" .
368 "\tGROUP BY files.name;");
370 while(my $constraint=shift @constraints)
372 my $cid=$constraint->{id};
375 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
376 my $str=join(", ", @ids);
377 my $sql = ($main_sql_start . $str .
380 my $result=$self->cmd_rows($sql);
381 my @names=map { $_->[0]; } @$result;
382 print "TRACKS: ", join(', ', @names), "\n";
388 my($self, $mountpoint, @constraints)=@_;
389 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
391 my $id=$constraints[$#constraints]->{id};
392 my $sql=("SELECT paths.name, files.name FROM files\n" .
393 "INNER JOIN paths ON files.paths_id=paths.id\n" .
394 "WHERE files.id=?\n" .
395 "GROUP BY paths.name, files.name");
396 print "FILENAME SQL: $sql\n";
397 my ($path, $name)=$self->cmd_onerow($sql, $id);
398 my $id3fs_path=join('/', map { $_->{name}; } @constraints);
399 return($self->relativise($path, $name, $mountpoint, $id3fs_path));
401 die("DB::filename: unhandled case\n"); #FIXME
406 my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
407 $id3fs_path=~s/(.*)\/.*/$1/;
408 my $rpath="$self->{absbase}/$path";
409 my $vpath="$mountpoint/$id3fs_path";
410 my @path=split(/\//,$rpath);
411 my @rel=split(/\//,$vpath);
412 #absolute paths have empty first element due to leading /
413 shift(@path) if($path[0] eq "");
414 shift(@rel) if($rel[0] eq "");
415 if($path[0] ne $rel[0])
417 #no path in common, return absolute
418 print "FAIL: NO PATHS IN COMMON\n";
421 # f: /home/foo/bar/baz.mp3
422 # r: /home/ianb/music/albums
423 while(@path && @rel && ($path[0] eq $rel[0]))
430 my $upcount=scalar(@rel);
431 my $result="../" x $upcount;
432 $result .= join("/",@path);
440 my $sql=("SELECT tags.name FROM tags\n" .
441 "LEFT JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
442 "WHERE tags_x_tagvals.tags_id IS NULL\n" .
443 "GROUP BY tags.name\n");
444 my $result=$self->cmd_rows($sql);
445 my @names=map { $_->[0]; } @$result;
452 my $sql=("SELECT tags.name, tagvals.name FROM tags\n" .
453 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
454 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
455 "GROUP BY tags.name, tagvals.name\n");
456 my $result=$self->cmd_rows($sql);
458 for my $pair (@$result)
460 push(@{$tags->{$pair->[0]}}, $pair->[1]);
467 my($self, $type, $val)=@_;
468 my $sql="SELECT id FROM $type WHERE name=?";
469 my ($id)=$self->cmd_onerow($sql, $val);
477 $relpath =~ s/^\Q$self->{base}\E\/?//;
478 my($filepart,$pathpart);
486 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
488 my $file=ID3FS::AudioFile->new($path, $self->{me});
489 return unless(defined($file));
490 my $artist=$file->artist();
491 my $album=$file->album();
492 my $v1genre=$file->v1genre();
493 my $year=$file->year();
494 my $audiotype=$file->audiotype();
495 my $tags=$file->tags();
496 my $haspic=$file->haspic();
498 $artist=undef unless($self->ok($artist));
499 print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
500 my $artist_id=$self->add_to_table("artists", $artist);
501 my $path_id=$self->add_to_table("paths", $pathpart);
502 $album=undef unless($self->ok($album));
503 if($self->{verbose} && !defined($album))
505 print "$self->{me}: $path: no album tag defined\n";
508 my $albums_id=$self->add_to_table("albums", $album);
509 my $file_id=$self->add_to_table("files", $filepart,
510 { "artists_id" => $artist_id,
511 "albums_id" => $albums_id,
512 "paths_id" => $path_id });
513 for my $tag (keys %$tags)
515 $self->add_tag($file_id, $tag, $tags->{$tag});
520 $self->add_tag($file_id, "year", $year);
521 if($year=~/^(\d\d\d)\d$/)
523 $self->add_tag($file_id, "decade", "${1}0s");
527 if($self->ok($v1genre))
529 $self->add_tag($file_id, "v1genre", $v1genre);
534 $self->add_tag($file_id, "haspic", undef);
540 my($self, $file_id, $tag, $val)=@_;
541 my $tag_id=$self->add_to_table("tags", $tag);
542 $self->add_relation("files_x_tags",
543 { "files_id" => $file_id,
544 "tags_id" => $tag_id });
547 my $val_id=$self->add_to_table("tagvals", $val);
548 $self->add_relation("tags_x_tagvals",
549 { "tags_id" => $tag_id,
550 "tagvals_id" => $val_id });
556 my($self, $table, $name, $extradata)=@_;
557 my $id=$self->lookup_id($table, $name);
560 my $sql="INSERT INTO $table (";
561 $sql .= "id, " if($self->{postgres});
563 if(defined($extradata))
565 push(@fields, sort keys(%$extradata));
567 $sql .= join(", ", @fields);
569 $sql .=") nextval('seq'), " if($self->{postgres});
570 $sql .= join(", ", map { "?"; } @fields);
572 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
579 my ($self, $relname, $fields)=@_;
580 return if($self->relation_exists($relname, $fields));
581 my $sql="INSERT INTO $relname (";
582 $sql .= join(", ", sort keys(%$fields));
583 $sql .= ") VALUES (";
584 $sql .= join(", ", map { "?"; } sort keys(%$fields));
586 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
591 my($self, $table, $name)=@_;
592 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
599 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
600 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
601 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
602 "WHERE tags.id=?\n");
603 my ($rows)=$self->cmd_onerow($sql, $id);
610 $dir=~s/^$self->{base}\/?//;
611 my $sql=("SELECT files.name FROM files\n" .
612 "INNER JOIN paths ON files.paths_id=paths.id\n" .
613 "WHERE paths.name=?\n");
614 my $files=$self->cmd_rows($sql, $dir);
615 return(map { $_->[0]; } @$files);
618 sub prune_directories
621 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
622 my $pathsref=$self->cmd_rows($sql);
624 for my $pathpair (@$pathsref)
626 my($path, $id)=@$pathpair;
627 my $fullpath="$self->{absbase}/$path";
633 $self->prune_paths(@ids);
641 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
642 join(', ', map { "\"$_\""; } @ids). "\n\t)");
643 print "SQL: \n", $sql, "\n";
651 DELETE FROM artists WHERE id IN (
652 SELECT artists.id FROM artists
653 LEFT JOIN files ON files.artists_id=artists.id
654 WHERE files.id IS NULL);
656 DELETE FROM albums WHERE id IN (
657 SELECT albums.id FROM albums
658 LEFT JOIN files ON files.albums_id=albums.id
659 WHERE files.id IS NULL);
661 DELETE FROM paths WHERE id IN (
662 SELECT paths.id FROM paths
663 LEFT JOIN files ON files.paths_id=paths.id
664 WHERE files.id IS NULL);
666 DELETE FROM files_x_tags WHERE files_id IN (
667 SELECT files_x_tags.files_id FROM files_x_tags
668 LEFT JOIN files ON files.id=files_x_tags.files_id
669 WHERE files.id IS NULL);
671 DELETE FROM tags WHERE id IN (
672 SELECT tags.id FROM tags
673 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
674 WHERE files_x_tags.files_id IS NULL);
676 DELETE FROM tags_x_tagvals WHERE tags_id IN (
677 SELECT tags_x_tagvals.tags_id FROM tags_x_tagvals
678 LEFT JOIN tags ON tags.id=tags_x_tagvals.tags_id
679 WHERE tags.id IS NULL);
681 DELETE FROM tagvals WHERE id IN (
682 SELECT tagvals.id FROM tagvals
683 LEFT JOIN tags_x_tagvals ON tags_x_tagvals.tagvals_id=tagvals.id
684 WHERE tags_x_tagvals.tagvals_id IS NULL);
687 my @sql=split(/\n\n/, $sql);
688 $self->cmd($_) for (@sql);
693 my ($self, $relname, $fields)=@_;
694 my $sql="SELECT count(1) FROM $relname WHERE ";
697 for my $field (keys %$fields)
700 push(@vals,$fields->{$field});
702 $sql .= join(' AND ', map { "$_=?"; } @exprs);
703 my ($ret)=$self->cmd_onerow($sql, @vals);
709 my($self, $thing)=@_;
710 return(defined($thing) && length($thing) && $thing =~ /\S+/);
715 my ($self, @args)=@_;
716 # don't care about retcode
717 $self->cmd_sth(@args);
722 my ($self, @args)=@_;
723 my $sth=$self->cmd_sth(@args);
724 return($sth->fetchrow_array());
729 my ($self, @args)=@_;
730 my $sth=$self->cmd_sth(@args);
731 return $sth->fetchall_arrayref();
736 my ($self, @args)=@_;
737 $self->cmd_sth(@args);
738 return($self->last_insert_id());
744 if($self->{postgres})
746 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
747 { sequence => "seq" });
751 return $self->{dbh}->last_insert_id("","","","");
758 schema_version INTEGER,
763 id INTEGER PRIMARY KEY,
767 CREATE TABLE artists (
768 id INTEGER PRIMARY KEY,
772 CREATE TABLE albums (
773 id INTEGER PRIMARY KEY,
778 id INTEGER PRIMARY KEY,
783 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
784 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
785 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
789 id INTEGER PRIMARY KEY,
793 CREATE TABLE tagvals (
794 id INTEGER PRIMARY KEY,
798 CREATE TABLE files_x_tags (
801 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
802 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE
805 CREATE TABLE tags_x_tagvals (
808 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE,
809 FOREIGN KEY(tagvals_id) REFERENCES tagvals(id) ON DELETE CASCADE ON UPDATE CASCADE