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";
100 my @schema=split(/\n\n/,join("", <DATA>));
102 for my $cmd (@schema)
104 $self->{dbh}->do($cmd);
106 if($self->{postgres})
108 $self->cmd("CREATE SEQUENCE seq");
112 my %indexes=( "idx_files_id" => "files (id)",
113 "idx_fxt_both" => "files_x_tags (files_id, tags_id)",
114 "idx_fxt_files" => "files_x_tags (files_id)",
115 "idx_fxt_tags" => "files_x_tags (tags_id)",
116 "idx_tags_id" => "tags (id)",
117 "idx_tags_name" => "tags (name)");
118 for my $index (keys %indexes)
120 $self->{dbh}->do("CREATE INDEX $index ON " . $indexes{$index});
123 $self->cmd("INSERT INTO id3fs (schema_version, last_update) VALUES (?, ?)",
124 $SCHEMA_VERSION, time());
130 my ($version)=$self->cmd_onerow("SELECT schema_version from id3fs");
131 if(!defined($version) || $version != $SCHEMA_VERSION)
133 die("$self->{me}: id3fs database version " .
134 defined($version) ? $version : '""' .
135 "not known, current version is $SCHEMA_VERSION.\n");
139 sub enable_foreign_keys
142 $self->cmd("PRAGMA foreign_keys = ON");
147 my($self, $newval)=@_;
150 $self->cmd("UPDATE id3fs SET last_update=?", $newval);
154 ($newval)=$self->cmd_onerow("SELECT last_update from id3fs");
161 my($self, $sql, @params)=@_;
162 my $sth=$self->{dbh}->prepare($sql);
164 for my $param (@params)
166 $param="" unless(defined($param));
167 $sth->bind_param($idx++, $param);
175 my($self, @constraints)=@_;
176 if(!@constraints) # /
179 my $sql="SELECT DISTINCT name FROM tags;";
180 my $tags=$self->cmd_rows($sql);
181 return(map { $_->[0]; } @$tags);
185 my $main_sql_start=("SELECT t2.name\n" .
186 "\tFROM (SELECT files_id FROM tags t1\n" .
187 "\t\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
188 "\t\tWHERE t1.id in\n\t\t\t(");
189 my $main_sql_mid=(")\n\t\t) AS subselect\n" .
190 "\tINNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
191 "\tINNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
192 "\tWHERE t2.id NOT IN (");
193 my $main_sql_end=")\n\tGROUP BY t2.name;";
194 while(my $constraint=shift @constraints)
196 my $cid=$constraint->{id};
199 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
200 my $tagstr=join(", ", @ids);
201 my $sql = ($main_sql_start . $tagstr .
202 $main_sql_mid . $tagstr .
205 my $result=$self->cmd_rows($sql);
206 my @tagnames=map { $_->[0]; } @$result;
207 print "SUBNAMES: ", join(', ', @tagnames), "\n";
213 my($self, $tagid)=@_;
214 my $sql=("SELECT DISTINCT tagvals.name FROM tagvals\n" .
215 "INNER JOIN tags_x_tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
216 "WHERE tags_x_tagvals.tags_id=?");
217 my $tags=$self->cmd_rows($sql, $tagid);
218 my @tags=map { $_->[0]; } @$tags;
219 @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
225 my($self, @constraints)=@_;
226 if(!@constraints) # /ALL
228 my $sql="SELECT DISTINCT name FROM artists;";
229 my $tags=$self->cmd_rows($sql);
230 return(map { $_->[0]; } @$tags);
233 my $main_sql_start=("SELECT artists.name\n" .
234 "\tFROM (SELECT files_id FROM tags\n" .
235 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
236 "\t\tWHERE tags.id in\n\t\t\t(");
237 my $main_sql_end=(")\n\t\t) AS subselect\n" .
238 "\tINNER JOIN files ON subselect.files_id=files.id\n" .
239 "\tINNER JOIN artists ON files.artists_id=artists.id\n" .
240 "\n\tGROUP BY artists.name;");
241 while(my $constraint=shift @constraints)
243 my $cid=$constraint->{id};
246 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
247 my $tagstr=join(", ", @ids);
248 my $sql = ($main_sql_start . $tagstr .
251 my $result=$self->cmd_rows($sql);
252 my @tagnames=map { $_->[0]; } @$result;
253 print "ARTISTS: ", join(', ', @tagnames), "\n";
259 my($self, @constraints)=@_;
261 # FIXME: rework PathElements
262 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
264 return $self->artist_albums($constraints[$#constraints]->{id});
266 my $main_sql_start=("SELECT albums.name\n" .
267 "\tFROM (SELECT files_id FROM tags\n" .
268 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
269 "\t\tWHERE tags.id in\n\t\t\t(");
270 my $main_sql_end=(")\n\t\t) AS subselect\n" .
271 "\tINNER JOIN files ON subselect.files_id=files.id\n" .
272 "\tINNER JOIN albums ON files.albums_id=albums.id\n" .
273 "\n\tGROUP BY albums.name;");
274 while(my $constraint=shift @constraints)
276 my $cid=$constraint->{id};
279 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
280 my $str=join(", ", @ids);
281 my $sql = ($main_sql_start . $str .
283 my $result=$self->cmd_rows($sql);
284 my @names=map { $_->[0]; } @$result;
285 print "ALBUMS: ", join(', ', @names), "\n";
291 my($self, $artist_id)=@_;
292 my $sql=("SELECT albums.name FROM files\n\t" .
293 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
294 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
295 "WHERE artists.id=? and albums.name <> ''\n\t" .
296 "GROUP BY albums.name\n");
297 print "ARTIST_ALBUMS SQL: $sql\n";
298 my $result=$self->cmd_rows($sql, $artist_id);
299 my @albums=map { $_->[0]; } @$result;
300 print "ALBUMS: ", join(', ', @albums), "\n";
306 my($self, $artist_id)=@_;
307 my $sql=("SELECT files.name FROM files\n\t" .
308 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
309 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
310 "WHERE artists.id=? AND albums.name=''\n\t" .
311 "GROUP BY files.name\n");
312 print "ARTIST_TRACKS SQL: $sql\n";
313 my $result=$self->cmd_rows($sql, $artist_id);
314 my @names=map { $_->[0]; } @$result;
315 print "ARTISTTRACKS: ", join(', ', @names), "\n";
321 my($self, $artist_id, $album_id)=@_;
322 my $sql=("SELECT files.name FROM files\n\t" .
323 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
324 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
325 "WHERE artists.id=? AND albums.id=?\n\t" .
326 "GROUP BY files.name\n");
327 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
328 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
329 my @names=map { $_->[0]; } @$result;
330 print "TRACKS: ", join(', ', @names), "\n";
336 my($self, @constraints)=@_;
337 # FIXME: rework PathElements
338 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
340 return $self->artist_tracks($constraints[$#constraints]->{id});
342 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
345 my $artist=$constraints[($#constraints)-1];
346 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
348 # should always happen
349 $artist_id=$artist->{id};
351 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
354 my $main_sql_start=("SELECT files.name\n" .
355 "\tFROM (SELECT files_id FROM tags\n" .
356 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
357 "\t\tWHERE tags.id in\n\t\t\t(");
358 my $main_sql_end=(")\n\t\t) AS subselect\n" .
359 "\tINNER JOIN files ON files.id=subselect.files_id" .
360 "\tGROUP BY files.name;");
362 while(my $constraint=shift @constraints)
364 my $cid=$constraint->{id};
367 @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
368 my $str=join(", ", @ids);
369 my $sql = ($main_sql_start . $str .
372 my $result=$self->cmd_rows($sql);
373 my @names=map { $_->[0]; } @$result;
374 print "TRACKS: ", join(', ', @names), "\n";
380 my($self, @constraints)=@_;
381 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
383 my $id=$constraints[$#constraints]->{id};
384 my $sql=("SELECT paths.name, files.name FROM files\n" .
385 "INNER JOIN paths ON files.paths_id=paths.id\n" .
386 "WHERE files.id=?\n" .
387 "GROUP BY paths.name, files.name");
388 print "FILENAME SQL: $sql\n";
389 my ($path, $name)=$self->cmd_onerow($sql, $id);
390 return($self->{absbase} . "/$path/$name");
392 die("DB::filename: unhandled case\n"); #FIXME
398 my $sql=("SELECT tags.name FROM tags\n" .
399 "LEFT JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
400 "WHERE tags_x_tagvals.tags_id IS NULL\n" .
401 "GROUP BY tags.name\n");
402 my $result=$self->cmd_rows($sql);
403 my @names=map { $_->[0]; } @$result;
410 my $sql=("SELECT tags.name, tagvals.name FROM tags\n" .
411 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
412 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
413 "GROUP BY tags.name, tagvals.name\n");
414 my $result=$self->cmd_rows($sql);
416 for my $pair (@$result)
418 push(@{$tags->{$pair->[0]}}, $pair->[1]);
425 my($self, $type, $val)=@_;
426 my $sql="SELECT id FROM $type WHERE name=?";
427 my ($id)=$self->cmd_onerow($sql, $val);
435 $relpath =~ s/^\Q$self->{base}\E\/?//;
436 my($filepart,$pathpart);
444 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
446 my $file=ID3FS::AudioFile->new($path);
447 return unless(defined($file));
448 my $artist=$file->artist();
449 my $album=$file->album();
450 my $v1genre=$file->v1genre();
451 my $year=$file->year();
452 my $audiotype=$file->audiotype();
453 my $tags=$file->tags();
454 my $haspic=$file->haspic();
456 $artist=undef unless($self->ok($artist));
457 my $artist_id=$self->add_to_table("artists", $artist);
458 my $path_id=$self->add_to_table("paths", $pathpart);
459 $album=undef unless($self->ok($album));
460 my $albums_id=$self->add_to_table("albums", $album);
461 my $file_id=$self->add_to_table("files", $filepart,
462 { "artists_id" => $artist_id,
463 "albums_id" => $albums_id,
464 "paths_id" => $path_id });
465 for my $tag (keys %$tags)
467 $self->add_tag($file_id, $tag, $tags->{$tag});
472 $self->add_tag($file_id, "year", $year);
473 if($year=~/^(\d\d\d)\d$/)
475 $self->add_tag($file_id, "decade", "${1}0s");
479 if($self->ok($v1genre))
481 $self->add_tag($file_id, "v1genre", $v1genre);
486 $self->add_tag($file_id, "haspic", undef);
492 my($self, $file_id, $tag, $val)=@_;
493 my $tag_id=$self->add_to_table("tags", $tag);
494 $self->add_relation("files_x_tags",
495 { "files_id" => $file_id,
496 "tags_id" => $tag_id });
499 my $val_id=$self->add_to_table("tagvals", $val);
500 $self->add_relation("tags_x_tagvals",
501 { "tags_id" => $tag_id,
502 "tagvals_id" => $val_id });
508 my($self, $table, $name, $extradata)=@_;
509 my $id=$self->lookup_id($table, $name);
512 my $sql="INSERT INTO $table (";
513 $sql .= "id, " if($self->{postgres});
515 if(defined($extradata))
517 push(@fields, sort keys(%$extradata));
519 $sql .= join(", ", @fields);
521 $sql .=") nextval('seq'), " if($self->{postgres});
522 $sql .= join(", ", map { "?"; } @fields);
524 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
531 my ($self, $relname, $fields)=@_;
532 return if($self->relation_exists($relname, $fields));
533 my $sql="INSERT INTO $relname (";
534 $sql .= join(", ", sort keys(%$fields));
535 $sql .= ") VALUES (";
536 $sql .= join(", ", map { "?"; } sort keys(%$fields));
538 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
543 my($self, $table, $name)=@_;
544 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
551 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
552 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
553 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
554 "WHERE tags.id=?\n");
555 my ($rows)=$self->cmd_onerow($sql, $id);
562 $dir=~s/^$self->{base}\/?//;
563 print "Munged dir: $dir\n";
564 my $sql=("SELECT files.name FROM files\n" .
565 "INNER JOIN paths ON files.paths_id=paths.id\n" .
566 "WHERE paths.name=?\n");
567 my $files=$self->cmd_rows($sql, $dir);
568 return(map { $_->[0]; } @$files);
571 sub prune_directories
574 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
575 my $pathsref=$self->cmd_rows($sql);
577 for my $pathpair (@$pathsref)
579 my($path, $id)=@$pathpair;
580 my $fullpath="$self->{absbase}/$path";
581 print "PRUNING PATH $fullpath: ";
587 $self->prune_paths(@ids);
594 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
595 join(', ', map { "\"$_\""; } @ids). "\n\t)");
596 print "SQL: \n", $sql, "\n";
604 DELETE FROM artists WHERE id IN (
605 SELECT artists.id FROM artists
606 LEFT JOIN files ON files.artists_id=artists.id
607 WHERE files.id IS NULL);
609 DELETE FROM albums WHERE id IN (
610 SELECT albums.id FROM albums
611 LEFT JOIN files ON files.albums_id=albums.id
612 WHERE files.id IS NULL);
614 DELETE FROM paths WHERE id IN (
615 SELECT paths.id FROM paths
616 LEFT JOIN files ON files.paths_id=paths.id
617 WHERE files.id IS NULL);
619 DELETE FROM files_x_tags WHERE files_id IN (
620 SELECT files_x_tags.files_id FROM files_x_tags
621 LEFT JOIN files ON files.id=files_x_tags.files_id
622 WHERE files.id IS NULL);
624 DELETE FROM tags WHERE id IN (
625 SELECT tags.id FROM tags
626 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
627 WHERE files_x_tags.files_id IS NULL);
629 DELETE FROM tags_x_tagvals WHERE tags_id IN (
630 SELECT tags_x_tagvals.tags_id FROM tags_x_tagvals
631 LEFT JOIN tags ON tags.id=tags_x_tagvals.tags_id
632 WHERE tags.id IS NULL);
634 DELETE FROM tagvals WHERE id IN (
635 SELECT tagvals.id FROM tagvals
636 LEFT JOIN tags_x_tagvals ON tags_x_tagvals.tagvals_id=tagvals.id
637 WHERE tags_x_tagvals.tagvals_id IS NULL);
640 my @sql=split(/\n\n/, $sql);
641 $self->cmd($_) for (@sql);
646 my ($self, $relname, $fields)=@_;
647 my $sql="SELECT count(1) FROM $relname WHERE ";
650 for my $field (keys %$fields)
653 push(@vals,$fields->{$field});
655 $sql .= join(' AND ', map { "$_=?"; } @exprs);
656 my ($ret)=$self->cmd_onerow($sql, @vals);
662 my($self, $thing)=@_;
663 return(defined($thing) && length($thing) && $thing =~ /\S+/);
668 my ($self, @args)=@_;
669 # don't care about retcode
670 $self->cmd_sth(@args);
675 my ($self, @args)=@_;
676 my $sth=$self->cmd_sth(@args);
677 return($sth->fetchrow_array());
682 my ($self, @args)=@_;
683 my $sth=$self->cmd_sth(@args);
684 return $sth->fetchall_arrayref();
689 my ($self, @args)=@_;
690 $self->cmd_sth(@args);
691 return($self->last_insert_id());
697 if($self->{postgres})
699 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
700 { sequence => "seq" });
704 return $self->{dbh}->last_insert_id("","","","");
711 schema_version INTEGER,
716 id INTEGER PRIMARY KEY,
720 CREATE TABLE artists (
721 id INTEGER PRIMARY KEY,
725 CREATE TABLE albums (
726 id INTEGER PRIMARY KEY,
731 id INTEGER PRIMARY KEY,
736 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
737 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
738 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
742 id INTEGER PRIMARY KEY,
746 CREATE TABLE tagvals (
747 id INTEGER PRIMARY KEY,
751 CREATE TABLE files_x_tags (
754 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
755 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE
758 CREATE TABLE tags_x_tagvals (
761 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE,
762 FOREIGN KEY(tagvals_id) REFERENCES tagvals(id) ON DELETE CASCADE ON UPDATE CASCADE