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, @constraints)=@_;
297 my $sql=("SELECT files.name FROM (\n" .
298 $self->tags_subselect(@constraints) .
299 "\t) AS subselect\n" .
300 "INNER JOIN files ON subselect.files_id=files.id\n" .
301 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
302 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
303 "WHERE artists.id=? AND albums.name=''\n\t" .
304 "GROUP BY files.name\n");
305 print "ARTIST_TRACKS SQL: $sql\n";
306 my $result=$self->cmd_rows($sql, $artist_id);
307 my @names=map { $_->[0]; } @$result;
308 print "ARTISTTRACKS: ", join(', ', @names), "\n";
314 my($self, $artist_id, $album_id)=@_;
315 my $sql=("SELECT files.name FROM files\n\t" .
316 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
317 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
318 "WHERE artists.id=? AND albums.id=?\n\t" .
319 "GROUP BY files.name\n");
320 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
321 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
322 my @names=map { $_->[0]; } @$result;
323 print "TRACKS: ", join(', ', @names), "\n";
329 my($self, @constraints)=@_;
330 # FIXME: rework PathElements
331 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
333 return $self->artist_tracks($constraints[$#constraints]->{id}, @constraints);
335 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
338 my $artist=$constraints[($#constraints)-1];
339 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
341 # should always happen
342 $artist_id=$artist->{id};
344 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
347 my $sql=("SELECT files.name\n" .
349 $self->tags_subselect(@constraints) .
350 "\t) AS subselect\n" .
351 "INNER JOIN files ON files.id=subselect.files_id\n" .
352 "GROUP BY files.name;");
354 my $result=$self->cmd_rows($sql);
355 my @names=map { $_->[0]; } @$result;
356 print "TRACKS: ", join(', ', @names), "\n";
362 my($self, $mountpoint, @constraints)=@_;
363 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
365 my $id=$constraints[$#constraints]->{id};
366 my $sql=("SELECT paths.name, files.name FROM files\n" .
367 "INNER JOIN paths ON files.paths_id=paths.id\n" .
368 "WHERE files.id=?\n" .
369 "GROUP BY paths.name, files.name");
370 print "FILENAME SQL: $sql\n";
371 my ($path, $name)=$self->cmd_onerow($sql, $id);
372 my $id3fs_path=join('/', map { $_->{name}; } @constraints);
373 return($self->relativise($path, $name, $mountpoint, $id3fs_path));
375 die("DB::filename: unhandled case\n"); #FIXME
380 my($self,@constraints)=@_;
385 # print "CONSTRAINTS: \n", Dumper \@constraints;
386 for my $constraint (@constraints)
388 # print ref($constraint),"\n";
389 if(ref($constraint) eq "ID3FS::PathElement::Tag")
391 if($self->tag_has_values($constraint->{id}))
393 # print "HASVALUES\n";
394 $lasttag=$constraint->{id} if defined($constraint->{id});
398 # print "NOVALUES\n";
399 push(@tags, $constraint->{id}) if(defined($constraint->{id}));
402 elsif(ref($constraint) eq "ID3FS::PathElement::Tagval")
405 push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
408 unless($self->{postgres})
410 @tags=map{ "\"$_\""; } @tags;
411 @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
413 # print "TAGS\n", Dumper \@tags;
414 # print "\nVALS\n", Dumper(\@tags_vals), "\n";
415 my $sql=("\tSELECT files_id FROM tags t1\n" .
416 "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
417 "\tINNER JOIN tags_x_tagvals ON t1.id=tags_x_tagvals.tags_id\n");
421 push(@clauses, "(t1.id IN ( " . join(', ', @tags) ." ) )");
423 for my $pair (@tags_vals)
425 my($tag, $val)=@$pair;
426 push(@clauses, "( t1.id=$tag AND tags_x_tagvals.tagvals_id=$val )");
430 $sql .= "\tWHERE\n\t\t" . join("\n\t\tOR ", @clauses) . "\n";
438 my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
439 $id3fs_path=~s/(.*)\/.*/$1/;
440 my $rpath="$self->{absbase}/$path";
441 my $vpath="$mountpoint/$id3fs_path";
442 my @path=split(/\//,$rpath);
443 my @rel=split(/\//,$vpath);
444 #absolute paths have empty first element due to leading /
445 shift(@path) if($path[0] eq "");
446 shift(@rel) if($rel[0] eq "");
447 if($path[0] ne $rel[0])
449 #no path in common, return absolute
450 print "FAIL: NO PATHS IN COMMON\n";
453 # f: /home/foo/bar/baz.mp3
454 # r: /home/ianb/music/albums
455 while(@path && @rel && ($path[0] eq $rel[0]))
462 my $upcount=scalar(@rel);
463 my $result="../" x $upcount;
464 $result .= join("/",@path);
472 my $sql=("SELECT tags.name FROM tags\n" .
473 "LEFT JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
474 "WHERE tags_x_tagvals.tags_id IS NULL\n" .
475 "GROUP BY tags.name\n");
476 my $result=$self->cmd_rows($sql);
477 my @names=map { $_->[0]; } @$result;
484 my $sql=("SELECT tags.name, tagvals.name FROM tags\n" .
485 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
486 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
487 "GROUP BY tags.name, tagvals.name\n");
488 my $result=$self->cmd_rows($sql);
490 for my $pair (@$result)
492 push(@{$tags->{$pair->[0]}}, $pair->[1]);
499 my($self, $type, $val)=@_;
500 my $sql="SELECT id FROM $type WHERE name=?";
501 my ($id)=$self->cmd_onerow($sql, $val);
509 $relpath =~ s/^\Q$self->{base}\E\/?//;
510 my($filepart,$pathpart);
518 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
520 my $file=ID3FS::AudioFile->new($path, $self->{me});
521 return unless(defined($file));
522 my $artist=$file->artist();
523 my $album=$file->album();
524 my $v1genre=$file->v1genre();
525 my $year=$file->year();
526 my $audiotype=$file->audiotype();
527 my $tags=$file->tags();
528 my $haspic=$file->haspic();
530 $artist=undef unless($self->ok($artist));
531 print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
532 my $artist_id=$self->add_to_table("artists", $artist);
533 my $path_id=$self->add_to_table("paths", $pathpart);
534 $album=undef unless($self->ok($album));
535 if($self->{verbose} && !defined($album))
537 print "$self->{me}: $path: no album tag defined\n";
540 my $albums_id=$self->add_to_table("albums", $album);
541 my $file_id=$self->add_to_table("files", $filepart,
542 { "artists_id" => $artist_id,
543 "albums_id" => $albums_id,
544 "paths_id" => $path_id });
545 for my $tag (keys %$tags)
547 $self->add_tag($file_id, $tag, $tags->{$tag});
552 $self->add_tag($file_id, "year", $year);
553 if($year=~/^(\d\d\d)\d$/)
555 $self->add_tag($file_id, "decade", "${1}0s");
559 if($self->ok($v1genre))
561 $self->add_tag($file_id, "v1genre", $v1genre);
566 $self->add_tag($file_id, "haspic", undef);
572 my($self, $file_id, $tag, $val)=@_;
573 my $tag_id=$self->add_to_table("tags", $tag);
574 $self->add_relation("files_x_tags",
575 { "files_id" => $file_id,
576 "tags_id" => $tag_id });
579 my $val_id=$self->add_to_table("tagvals", $val);
580 $self->add_relation("tags_x_tagvals",
581 { "tags_id" => $tag_id,
582 "tagvals_id" => $val_id });
588 my($self, $table, $name, $extradata)=@_;
589 my $id=$self->lookup_id($table, $name);
592 my $sql="INSERT INTO $table (";
593 $sql .= "id, " if($self->{postgres});
595 if(defined($extradata))
597 push(@fields, sort keys(%$extradata));
599 $sql .= join(", ", @fields);
601 $sql .=") nextval('seq'), " if($self->{postgres});
602 $sql .= join(", ", map { "?"; } @fields);
604 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
611 my ($self, $relname, $fields)=@_;
612 return if($self->relation_exists($relname, $fields));
613 my $sql="INSERT INTO $relname (";
614 $sql .= join(", ", sort keys(%$fields));
615 $sql .= ") VALUES (";
616 $sql .= join(", ", map { "?"; } sort keys(%$fields));
618 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
623 my($self, $table, $name)=@_;
624 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
631 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
632 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
633 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
634 "WHERE tags.id=?\n");
635 my ($rows)=$self->cmd_onerow($sql, $id);
642 $dir=~s/^$self->{base}\/?//;
643 my $sql=("SELECT files.name FROM files\n" .
644 "INNER JOIN paths ON files.paths_id=paths.id\n" .
645 "WHERE paths.name=?\n");
646 my $files=$self->cmd_rows($sql, $dir);
647 return(map { $_->[0]; } @$files);
650 sub prune_directories
653 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
654 my $pathsref=$self->cmd_rows($sql);
656 for my $pathpair (@$pathsref)
658 my($path, $id)=@$pathpair;
659 my $fullpath="$self->{absbase}/$path";
665 $self->prune_paths(@ids);
673 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
674 join(', ', map { "\"$_\""; } @ids). "\n\t)");
675 print "SQL: \n", $sql, "\n";
683 DELETE FROM artists WHERE id IN (
684 SELECT artists.id FROM artists
685 LEFT JOIN files ON files.artists_id=artists.id
686 WHERE files.id IS NULL);
688 DELETE FROM albums WHERE id IN (
689 SELECT albums.id FROM albums
690 LEFT JOIN files ON files.albums_id=albums.id
691 WHERE files.id IS NULL);
693 DELETE FROM paths WHERE id IN (
694 SELECT paths.id FROM paths
695 LEFT JOIN files ON files.paths_id=paths.id
696 WHERE files.id IS NULL);
698 DELETE FROM files_x_tags WHERE files_id IN (
699 SELECT files_x_tags.files_id FROM files_x_tags
700 LEFT JOIN files ON files.id=files_x_tags.files_id
701 WHERE files.id IS NULL);
703 DELETE FROM tags WHERE id IN (
704 SELECT tags.id FROM tags
705 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
706 WHERE files_x_tags.files_id IS NULL);
708 DELETE FROM tags_x_tagvals WHERE tags_id IN (
709 SELECT tags_x_tagvals.tags_id FROM tags_x_tagvals
710 LEFT JOIN tags ON tags.id=tags_x_tagvals.tags_id
711 WHERE tags.id IS NULL);
713 DELETE FROM tagvals WHERE id IN (
714 SELECT tagvals.id FROM tagvals
715 LEFT JOIN tags_x_tagvals ON tags_x_tagvals.tagvals_id=tagvals.id
716 WHERE tags_x_tagvals.tagvals_id IS NULL);
719 my @sql=split(/\n\n/, $sql);
720 $self->cmd($_) for (@sql);
725 my ($self, $relname, $fields)=@_;
726 my $sql="SELECT count(1) FROM $relname WHERE ";
729 for my $field (keys %$fields)
732 push(@vals,$fields->{$field});
734 $sql .= join(' AND ', map { "$_=?"; } @exprs);
735 my ($ret)=$self->cmd_onerow($sql, @vals);
741 my($self, $thing)=@_;
742 return(defined($thing) && length($thing) && $thing =~ /\S+/);
747 my ($self, @args)=@_;
748 # don't care about retcode
749 $self->cmd_sth(@args);
754 my ($self, @args)=@_;
755 my $sth=$self->cmd_sth(@args);
756 return($sth->fetchrow_array());
761 my ($self, @args)=@_;
762 my $sth=$self->cmd_sth(@args);
763 return $sth->fetchall_arrayref();
768 my ($self, @args)=@_;
769 $self->cmd_sth(@args);
770 return($self->last_insert_id());
776 if($self->{postgres})
778 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
779 { sequence => "seq" });
783 return $self->{dbh}->last_insert_id("","","","");
790 schema_version INTEGER,
795 id INTEGER PRIMARY KEY,
799 CREATE TABLE artists (
800 id INTEGER PRIMARY KEY,
804 CREATE TABLE albums (
805 id INTEGER PRIMARY KEY,
810 id INTEGER PRIMARY KEY,
815 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
816 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
817 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
821 id INTEGER PRIMARY KEY,
825 CREATE TABLE tagvals (
826 id INTEGER PRIMARY KEY,
830 CREATE TABLE files_x_tags (
833 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
834 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE
837 CREATE TABLE tags_x_tagvals (
840 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE,
841 FOREIGN KEY(tagvals_id) REFERENCES tagvals(id) ON DELETE CASCADE ON UPDATE CASCADE