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 WHERE parents_id='';";
188 my $tags=$self->cmd_rows($sql);
189 return(map { $_->[0]; } @$tags);
193 my $sql=("SELECT t2.name FROM (\n" .
194 $self->tags_subselect(@constraints) .
196 "INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
197 "INNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n");
198 my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
200 my @tags_vals=@$tags_vals;;
204 print "TAGS: ", Dumper \@tags;
205 print "VALS: ", Dumper \@tags_vals;
207 push(@andclauses, "( t2.parents_id=" . (defined($parent) ? $parent : "''") . " )");
210 push(@orclauses, "( t2.parents_id='' AND t2.id NOT IN ( " . join(', ', @tags) ." ) )");
212 for my $pair (@tags_vals)
214 my($tag, $val)=@$pair;
215 push(@orclauses, "( NOT (t2.parents_id=$tag AND t2.id=$val ) )");
219 push(@andclauses, join("\n\tOR ", @orclauses));
223 $sql .= "\tWHERE\n\t\t";
224 $sql .= join("\n\tAND ", @andclauses) . "\n";
226 $sql .= "GROUP BY t2.name;";
228 my $result=$self->cmd_rows($sql);
229 my @tagnames=map { $_->[0]; } @$result;
230 print "SUBNAMES: ", join(', ', @tagnames), "\n";
236 my($self, $tagid)=@_;
237 my $sql=("SELECT DISTINCT name FROM tags\n" .
238 "WHERE parents_id=?");
239 my $tags=$self->cmd_rows($sql, $tagid);
240 my @tags=map { $_->[0]; } @$tags;
241 @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
247 my($self, @constraints)=@_;
248 if(!@constraints) # /ALL
250 my $sql="SELECT DISTINCT name FROM artists;";
251 my $tags=$self->cmd_rows($sql);
252 return(map { $_->[0]; } @$tags);
255 my $sql=("SELECT artists.name FROM (\n" .
256 $self->tags_subselect(@constraints) .
258 "INNER JOIN files ON subselect.files_id=files.id\n" .
259 "INNER JOIN artists ON files.artists_id=artists.id\n" .
260 "GROUP BY artists.name;");
262 my $result=$self->cmd_rows($sql);
263 my @tagnames=map { $_->[0]; } @$result;
264 print "ARTISTS: ", join(', ', @tagnames), "\n";
270 my($self, @constraints)=@_;
272 # FIXME: rework PathElements
273 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
275 return $self->artist_albums($constraints[$#constraints]->{id}, @constraints);
277 my $sql=("SELECT albums.name\n" .
279 $self->tags_subselect(@constraints) .
280 "\t) AS subselect\n" .
281 "INNER JOIN files ON subselect.files_id=files.id\n" .
282 "INNER JOIN albums ON files.albums_id=albums.id\n" .
283 "GROUP BY albums.name;");
284 my $result=$self->cmd_rows($sql);
285 my @names=map { $_->[0]; } @$result;
286 print "ALBUMS: ", join(', ', @names), "\n";
292 my($self, $artist_id, @constraints)=@_;
293 my $sql=("SELECT albums.name FROM (\n" .
294 $self->tags_subselect(@constraints) .
295 "\t) AS subselect\n" .
296 "INNER JOIN files ON subselect.files_id=files.id\n" .
297 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
298 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
299 "WHERE artists.id=? and albums.name <> ''\n\t" .
300 "GROUP BY albums.name\n");
301 print "ARTIST_ALBUMS SQL: $sql\n";
302 my $result=$self->cmd_rows($sql, $artist_id);
303 my @albums=map { $_->[0]; } @$result;
304 print "ALBUMS: ", join(', ', @albums), "\n";
310 my($self, $artist_id, @constraints)=@_;
311 my $sql=("SELECT files.name FROM (\n" .
312 $self->tags_subselect(@constraints) .
313 "\t) AS subselect\n" .
314 "INNER JOIN files ON subselect.files_id=files.id\n" .
315 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
316 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
317 "WHERE artists.id=? AND albums.name=''\n\t" .
318 "GROUP BY files.name\n");
319 print "ARTIST_TRACKS SQL: $sql\n";
320 my $result=$self->cmd_rows($sql, $artist_id);
321 my @names=map { $_->[0]; } @$result;
322 print "ARTISTTRACKS: ", join(', ', @names), "\n";
328 my($self, $artist_id, $album_id)=@_;
329 my $sql=("SELECT files.name FROM files\n\t" .
330 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
331 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
332 "WHERE artists.id=? AND albums.id=?\n\t" .
333 "GROUP BY files.name\n");
334 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
335 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
336 my @names=map { $_->[0]; } @$result;
337 print "TRACKS: ", join(', ', @names), "\n";
343 my($self, @constraints)=@_;
344 # FIXME: rework PathElements
345 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
347 return $self->artist_tracks($constraints[$#constraints]->{id}, @constraints);
349 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
352 my $artist=$constraints[($#constraints)-1];
353 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
355 # should always happen
356 $artist_id=$artist->{id};
358 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
361 my $sql=("SELECT files.name\n" .
363 $self->tags_subselect(@constraints) .
364 "\t) AS subselect\n" .
365 "INNER JOIN files ON files.id=subselect.files_id\n" .
366 "GROUP BY files.name;");
368 my $result=$self->cmd_rows($sql);
369 my @names=map { $_->[0]; } @$result;
370 print "TRACKS: ", join(', ', @names), "\n";
376 my($self, $mountpoint, @constraints)=@_;
377 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
379 my $id=$constraints[$#constraints]->{id};
380 my $sql=("SELECT paths.name, files.name FROM files\n" .
381 "INNER JOIN paths ON files.paths_id=paths.id\n" .
382 "WHERE files.id=?\n" .
383 "GROUP BY paths.name, files.name");
384 print "FILENAME SQL: $sql\n";
385 my ($path, $name)=$self->cmd_onerow($sql, $id);
386 my $id3fs_path=join('/', map { $_->{name}; } @constraints);
387 return($self->relativise($path, $name, $mountpoint, $id3fs_path));
389 die("DB::filename: unhandled case\n"); #FIXME
394 my($self,@constraints)=@_;
395 my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
397 my @tags_vals=@$tags_vals;;
399 my $sql=("\tSELECT files_x_tags.files_id FROM tags t1\n" .
400 "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n");
405 push(@orclauses, "( t1.parents_id='' AND t1.id IN ( " . join(', ', @tags) ." ) )");
407 for my $pair (@tags_vals)
409 my($tag, $val)=@$pair;
410 push(@orclauses, "( t1.parents_id=$tag AND t1.id=$val )");
412 # push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
415 push(@andclauses, join("\n\t\tOR ", @orclauses));
419 $sql .= "\tWHERE\n\t\t";
420 $sql .= join("\n\t\tAND ", @andclauses) . "\n";
422 $sql .= "\tGROUP BY files_x_tags.files_id\n";
426 sub constraints_tag_list
428 my($self, @constraints)=@_;
432 for my $constraint (@constraints)
434 print ref($constraint), ": ", $constraint->{name}, "\n";
435 if(ref($constraint) eq "ID3FS::PathElement::Tag")
437 if(defined($lasttag))
440 push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
443 elsif($self->tag_has_values($constraint->{id}))
446 $lasttag=$constraint->{id} if defined($constraint->{id});
451 push(@tags, $constraint->{id}) if(defined($constraint->{id}));
455 unless($self->{postgres})
457 @tags=map{ "\"$_\""; } @tags;
458 @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
459 $lasttag="\"$lasttag\"" if defined($lasttag);
461 return(\@tags, \@tags_vals, $lasttag);
467 my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
468 $id3fs_path=~s/(.*)\/.*/$1/;
469 my $rpath="$self->{absbase}/$path";
470 my $vpath="$mountpoint/$id3fs_path";
471 my @path=split(/\//,$rpath);
472 my @rel=split(/\//,$vpath);
473 #absolute paths have empty first element due to leading /
474 shift(@path) if($path[0] eq "");
475 shift(@rel) if($rel[0] eq "");
476 if($path[0] ne $rel[0])
478 #no path in common, return absolute
479 print "FAIL: NO PATHS IN COMMON\n";
482 # f: /home/foo/bar/baz.mp3
483 # r: /home/ianb/music/albums
484 while(@path && @rel && ($path[0] eq $rel[0]))
491 my $upcount=scalar(@rel);
492 my $result="../" x $upcount;
493 $result .= join("/",@path);
501 my $sql=("SELECT tags.name FROM tags\n" .
502 "WHERE tags.parents_id=''\n" .
503 "GROUP BY tags.name\n");
504 my $result=$self->cmd_rows($sql);
505 my @names=map { $_->[0]; } @$result;
511 # FIXME: only shows one level of tag depth
513 my $sql=("SELECT p.name, t.name FROM tags t\n" .
514 "INNER JOIN tags p ON t.parents_id=p.id\n" .
515 "GROUP BY p.name, t.name\n");
516 # print "SQL: $sql\n";
517 my $result=$self->cmd_rows($sql);
519 for my $pair (@$result)
521 push(@{$tags->{$pair->[0]}}, $pair->[1]);
528 my($self, $type, $val)=@_;
529 my $sql="SELECT id FROM $type WHERE name=?";
530 my ($id)=$self->cmd_onerow($sql, $val);
538 $relpath =~ s/^\Q$self->{base}\E\/?//;
539 my($filepart,$pathpart);
547 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
549 my $file=ID3FS::AudioFile->new($path, $self->{me});
550 return unless(defined($file));
551 my $artist=$file->artist();
552 my $album=$file->album();
553 my $v1genre=$file->v1genre();
554 my $year=$file->year();
555 my $audiotype=$file->audiotype();
556 my @tags=$file->tags();
557 my $haspic=$file->haspic();
559 $artist=undef unless($self->ok($artist));
560 print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
561 my $artist_id=$self->add_to_table("artists", $artist);
562 my $path_id=$self->add_to_table("paths", $pathpart);
563 $album=undef unless($self->ok($album));
564 if($self->{verbose} && !defined($album))
566 print "$self->{me}: $path: no album tag defined\n";
569 my $albums_id=$self->add_to_table("albums", $album);
570 my $file_id=$self->add_to_table("files", $filepart,
571 { "artists_id" => $artist_id,
572 "albums_id" => $albums_id,
573 "paths_id" => $path_id });
576 $self->add_tag($file_id, @$tag);
581 $self->add_tag($file_id, "year", $year);
582 if($year=~/^(\d\d\d)\d$/)
584 $self->add_tag($file_id, "decade", "${1}0s");
588 if($self->ok($v1genre))
590 $self->add_tag($file_id, "v1genre", $v1genre);
595 $self->add_tag($file_id, "haspic", undef);
601 my($self, $file_id, $tag, $value)=@_;
602 my $tag_id=$self->add_to_table("tags", $tag,
603 { "parents_id" => undef });
604 $self->add_relation("files_x_tags",
605 { "files_id" => $file_id,
606 "tags_id" => $tag_id });
607 if(defined($value) && length($value))
609 my $val_id=$self->add_to_table("tags", $value,
610 { "parents_id" => $tag_id });
611 $self->add_relation("files_x_tags",
612 { "files_id" => $file_id,
613 "tags_id" => $val_id });
619 my($self, $table, $name, $extradata)=@_;
620 my $id=$self->lookup_id($table, $name);
623 my $sql="INSERT INTO $table (";
624 $sql .= "id, " if($self->{postgres});
626 if(defined($extradata))
628 push(@fields, sort keys(%$extradata));
630 $sql .= join(", ", @fields);
632 $sql .=") nextval('seq'), " if($self->{postgres});
633 $sql .= join(", ", map { "?"; } @fields);
635 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
642 my ($self, $relname, $fields)=@_;
643 return if($self->relation_exists($relname, $fields));
644 my $sql="INSERT INTO $relname (";
645 $sql .= join(", ", sort keys(%$fields));
646 $sql .= ") VALUES (";
647 $sql .= join(", ", map { "?"; } sort keys(%$fields));
649 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
654 my($self, $table, $name)=@_;
655 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
662 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
663 "WHERE tags.parents_id=?\n");
664 my ($rows)=$self->cmd_onerow($sql, $id);
671 $dir=~s/^$self->{base}\/?//;
672 my $sql=("SELECT files.name FROM files\n" .
673 "INNER JOIN paths ON files.paths_id=paths.id\n" .
674 "WHERE paths.name=?\n");
675 my $files=$self->cmd_rows($sql, $dir);
676 return(map { $_->[0]; } @$files);
679 sub prune_directories
682 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
683 my $pathsref=$self->cmd_rows($sql);
685 for my $pathpair (@$pathsref)
687 my($path, $id)=@$pathpair;
688 my $fullpath="$self->{absbase}/$path";
694 $self->prune_paths(@ids);
702 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
703 join(', ', map { "\"$_\""; } @ids). "\n\t)");
704 print "SQL: \n", $sql, "\n";
712 DELETE FROM artists WHERE id IN (
713 SELECT artists.id FROM artists
714 LEFT JOIN files ON files.artists_id=artists.id
715 WHERE files.id IS NULL);
717 DELETE FROM albums WHERE id IN (
718 SELECT albums.id FROM albums
719 LEFT JOIN files ON files.albums_id=albums.id
720 WHERE files.id IS NULL);
722 DELETE FROM paths WHERE id IN (
723 SELECT paths.id FROM paths
724 LEFT JOIN files ON files.paths_id=paths.id
725 WHERE files.id IS NULL);
727 DELETE FROM files_x_tags WHERE files_id IN (
728 SELECT files_x_tags.files_id FROM files_x_tags
729 LEFT JOIN files ON files.id=files_x_tags.files_id
730 WHERE files.id IS NULL);
732 DELETE FROM tags WHERE id IN (
733 SELECT tags.id FROM tags
734 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
735 WHERE files_x_tags.files_id IS NULL);
738 # print "SQL: $sql\n";
739 my @sql=split(/\n\n/, $sql);
740 $self->cmd($_) for (@sql);
745 my ($self, $relname, $fields)=@_;
746 my $sql="SELECT count(1) FROM $relname WHERE ";
749 for my $field (keys %$fields)
752 push(@vals,$fields->{$field});
754 $sql .= join(' AND ', map { "$_=?"; } @exprs);
755 my ($ret)=$self->cmd_onerow($sql, @vals);
761 my($self, $thing)=@_;
762 return(defined($thing) && length($thing) && $thing =~ /\S+/);
767 my ($self, @args)=@_;
768 # don't care about retcode
769 $self->cmd_sth(@args);
774 my ($self, @args)=@_;
775 my $sth=$self->cmd_sth(@args);
776 return($sth->fetchrow_array());
781 my ($self, @args)=@_;
782 my $sth=$self->cmd_sth(@args);
783 return $sth->fetchall_arrayref();
788 my ($self, @args)=@_;
789 $self->cmd_sth(@args);
790 return($self->last_insert_id());
796 if($self->{postgres})
798 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
799 { sequence => "seq" });
803 return $self->{dbh}->last_insert_id("","","","");
810 schema_version INTEGER,
815 id INTEGER PRIMARY KEY,
819 CREATE TABLE artists (
820 id INTEGER PRIMARY KEY,
824 CREATE TABLE albums (
825 id INTEGER PRIMARY KEY,
830 id INTEGER PRIMARY KEY,
835 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
836 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
837 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
841 id INTEGER PRIMARY KEY,
846 CREATE TABLE files_x_tags (
849 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
850 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE