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++, $param);
184 my @constraints=@{$path->{elements}};
185 if(!@constraints) # /
188 my $sql="SELECT DISTINCT name FROM tags WHERE parents_id='';";
189 my $tags=$self->cmd_rows($sql);
190 return(map { $_->[0]; } @$tags);
194 my $sql=("SELECT t2.name FROM (\n" .
195 $self->tags_subselect(@constraints) .
197 "INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
198 "INNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n");
199 my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
201 my @tags_vals=@$tags_vals;;
205 # print "TAGS: ", Dumper \@tags;
206 # print "VALS: ", Dumper \@tags_vals;
208 push(@andclauses, "( t2.parents_id=" . (defined($parent) ? $parent : "''") . " )");
211 push(@orclauses, "( t2.id NOT IN ( " . join(', ', @tags) ." ) )");
213 for my $pair (@tags_vals)
215 my($tag, $val)=@$pair;
216 # push(@orclauses, "( NOT ( t2.parents_id=$tag AND t2.id=$val ) )");
217 push(@andclauses, "( NOT ( t2.id=$tag ) )");
221 push(@andclauses, join("\n\tOR ", @orclauses));
225 $sql .= "\tWHERE\n\t\t";
226 $sql .= join("\n\tAND ", @andclauses) . "\n";
228 $sql .= "GROUP BY t2.name;";
230 my $result=$self->cmd_rows($sql);
231 my @tagnames=map { $_->[0]; } @$result;
232 print "SUBNAMES: ", join(', ', @tagnames), "\n";
238 my($self, $tagid)=@_;
239 my $sql=("SELECT DISTINCT name FROM tags\n" .
240 "WHERE parents_id=?");
241 my $tags=$self->cmd_rows($sql, $tagid);
242 my @tags=map { $_->[0]; } @$tags;
243 @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
250 my @constraints=@{$path->{elements}};
251 if(!@constraints) # /ALL
253 my $sql="SELECT DISTINCT name FROM artists;";
254 my $tags=$self->cmd_rows($sql);
255 return(map { $_->[0]; } @$tags);
258 my $sql=("SELECT artists.name FROM (\n" .
259 $self->tags_subselect(@constraints) .
261 "INNER JOIN files ON subselect.files_id=files.id\n" .
262 "INNER JOIN artists ON files.artists_id=artists.id\n" .
263 "GROUP BY artists.name;");
265 my $result=$self->cmd_rows($sql);
266 my @tagnames=map { $_->[0]; } @$result;
267 print "ARTISTS: ", join(', ', @tagnames), "\n";
274 my @constraints=@{$path->{elements}};
276 # FIXME: rework PathElements
277 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
279 return $self->artist_albums($constraints[$#constraints]->{id}, $path);
281 my $sql=("SELECT albums.name\n" .
283 $self->tags_subselect(@constraints) .
284 "\t) AS subselect\n" .
285 "INNER JOIN files ON subselect.files_id=files.id\n" .
286 "INNER JOIN albums ON files.albums_id=albums.id\n" .
287 "GROUP BY albums.name;");
288 print "SQL(ALBUMS): \n$sql\n";
289 my $result=$self->cmd_rows($sql);
290 my @names=map { $_->[0]; } @$result;
291 print "ALBUMS: ", join(', ', @names), "\n";
297 my($self, $artist_id, $path)=@_;
298 my @constraints=@{$path->{elements}};
299 my $sql=("SELECT albums.name FROM (\n" .
300 $self->tags_subselect(@constraints) .
301 "\t) AS subselect\n" .
302 "INNER JOIN files ON subselect.files_id=files.id\n" .
303 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
304 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
305 "WHERE artists.id=? and albums.name <> ''\n\t" .
306 "GROUP BY albums.name\n");
307 print "ARTIST_ALBUMS SQL: $sql\n";
308 my $result=$self->cmd_rows($sql, $artist_id);
309 my @albums=map { $_->[0]; } @$result;
310 print "ALBUMS: ", join(', ', @albums), "\n";
316 my($self, $artist_id, $path)=@_;
317 my @constraints=@{$path->{elements}};
318 my $sql=("SELECT files.name FROM (\n" .
319 $self->tags_subselect(@constraints) .
320 "\t) AS subselect\n" .
321 "INNER JOIN files ON subselect.files_id=files.id\n" .
322 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
323 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
324 "WHERE artists.id=? AND albums.name=''\n\t" .
325 "GROUP BY files.name\n");
326 print "ARTIST_TRACKS SQL: $sql\n";
327 my $result=$self->cmd_rows($sql, $artist_id);
328 my @names=map { $_->[0]; } @$result;
329 print "ARTISTTRACKS: ", join(', ', @names), "\n";
335 my($self, $artist_id, $album_id)=@_;
336 my $sql=("SELECT files.name FROM files\n\t" .
337 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
338 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
339 "WHERE artists.id=? AND albums.id=?\n\t" .
340 "GROUP BY files.name\n");
341 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
342 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
343 my @names=map { $_->[0]; } @$result;
344 print "TRACKS: ", join(', ', @names), "\n";
351 my @constraints=@{$path->{elements}};
352 # FIXME: rework PathElements
353 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
355 return $self->artist_tracks($constraints[$#constraints]->{id}, @constraints);
357 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
360 my $artist=$constraints[($#constraints)-1];
361 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
363 # should always happen
364 $artist_id=$artist->{id};
366 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
369 my $sql=("SELECT files.name\n" .
371 $self->tags_subselect(@constraints) .
372 "\t) AS subselect\n" .
373 "INNER JOIN files ON files.id=subselect.files_id\n" .
374 "GROUP BY files.name;");
376 my $result=$self->cmd_rows($sql);
377 my @names=map { $_->[0]; } @$result;
378 print "TRACKS: ", join(', ', @names), "\n";
384 my($self, $mountpoint, $path)=@_;
385 my @constraints=@{$path->{elements}};
386 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
388 my $id=$constraints[$#constraints]->{id};
389 my $sql=("SELECT paths.name, files.name FROM files\n" .
390 "INNER JOIN paths ON files.paths_id=paths.id\n" .
391 "WHERE files.id=?\n" .
392 "GROUP BY paths.name, files.name");
393 print "FILENAME SQL: $sql\n";
394 my ($path, $name)=$self->cmd_onerow($sql, $id);
395 my $id3fs_path=join('/', map { $_->{name}; } @constraints);
396 return($self->relativise($path, $name, $mountpoint, $id3fs_path));
398 die("DB::filename: unhandled case\n"); #FIXME
403 return shift->tags_subselect_and(@_);
407 sub tags_subselect_and_not
409 my($self,@constraints)=@_;
410 my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
412 my @tags_vals=@$tags_vals;;
420 $sql="\tSELECT fxt" . scalar(@tags) . ".files_id FROM files_x_tags fxt1\n";
421 push(@andclauses, "\t\tfxt${cnt}.tags_id=$tag");
425 $sql .= ("\tLEFT JOIN files_x_tags fxt$cnt ON fxt" .
426 ($cnt-1) . ".files_id=fxt${cnt}.files_id\n");
427 push(@andclauses, "\t\tfxt${cnt}.tags_id IS NULL");
429 print "AND: @andclauses\n";
434 $sql .= "\tWHERE\n\t\t";
435 $sql .= join(" AND\n\t\t", @andclauses) . "\n";
437 $sql .= "\tGROUP BY fxt". scalar(@tags).".files_id\n";
442 sub tags_subselect_and
444 my($self,@constraints)=@_;
445 my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
447 my @tags_vals=@$tags_vals;;
455 $sql="\tSELECT fxt" . scalar(@tags) . ".files_id FROM files_x_tags fxt1\n";
459 $sql .= ("\tINNER JOIN files_x_tags fxt$cnt ON fxt" .
460 ($cnt-1) . ".files_id=fxt${cnt}.files_id\n");
462 push(@andclauses, "\t\tfxt${cnt}.tags_id = $tag");
463 print "AND: @andclauses\n";
468 $sql .= "\tWHERE\n\t\t";
469 $sql .= join(" AND\n\t\t", @andclauses) . "\n";
471 $sql .= "\tGROUP BY fxt". scalar(@tags).".files_id\n";
475 sub tags_subselect_or
477 my($self,@constraints)=@_;
478 my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
480 my @tags_vals=@$tags_vals;;
482 my $sql=("\tSELECT files_x_tags.files_id FROM tags t1\n" .
483 "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n");
489 push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
490 push(@andclauses, "( t1.id IN ( " . join(', ', @tags) ." ) )");
492 for my $pair (@tags_vals)
494 my($tag, $val)=@$pair;
495 push(@orclauses, "( t1.parents_id=$tag AND t1.id=$val )");
497 # push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
500 push(@andclauses, join("\n\t\tOR ", @orclauses));
504 $sql .= "\tWHERE\n\t\t";
505 $sql .= join("\n\t\tAND ", @andclauses) . "\n";
507 $sql .= "\tGROUP BY files_x_tags.files_id\n";
511 sub constraints_tag_list
513 my($self, @constraints)=@_;
517 for my $constraint (@constraints)
519 # print ref($constraint), ": ", $constraint->{name}, "\n";
520 if(ref($constraint) eq "ID3FS::PathElement::Tag")
522 if(defined($lasttag))
525 push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
528 elsif($self->tag_has_values($constraint->{id}))
530 # print "HASVALUES\n";
531 $lasttag=$constraint->{id} if defined($constraint->{id});
535 # print "NOVALUES\n";
536 push(@tags, $constraint->{id}) if(defined($constraint->{id}));
540 unless($self->{postgres})
542 @tags=map{ "\"$_\""; } @tags;
543 @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
544 $lasttag="\"$lasttag\"" if defined($lasttag);
546 return(\@tags, \@tags_vals, $lasttag);
552 my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
553 $id3fs_path=~s/(.*)\/.*/$1/;
554 my $rpath="$self->{absbase}/$path";
555 my $vpath="$mountpoint/$id3fs_path";
556 my @path=split(/\//,$rpath);
557 my @rel=split(/\//,$vpath);
558 #absolute paths have empty first element due to leading /
559 shift(@path) if($path[0] eq "");
560 shift(@rel) if($rel[0] eq "");
561 if($path[0] ne $rel[0])
563 #no path in common, return absolute
564 print "FAIL: NO PATHS IN COMMON\n";
567 # f: /home/foo/bar/baz.mp3
568 # r: /home/ianb/music/albums
569 while(@path && @rel && ($path[0] eq $rel[0]))
576 my $upcount=scalar(@rel);
577 my $result="../" x $upcount;
578 $result .= join("/",@path);
586 my $sql=("SELECT tags.name FROM tags\n" .
587 "WHERE tags.parents_id=''\n" .
588 "GROUP BY tags.name\n");
589 my $result=$self->cmd_rows($sql);
590 my @names=map { $_->[0]; } @$result;
596 # FIXME: only shows one level of tag depth
598 my $sql=("SELECT p.name, t.name FROM tags t\n" .
599 "INNER JOIN tags p ON t.parents_id=p.id\n" .
600 "GROUP BY p.name, t.name\n");
602 my $result=$self->cmd_rows($sql);
604 for my $pair (@$result)
606 push(@{$tags->{$pair->[0]}}, $pair->[1]);
613 my($self, $type, $val)=@_;
614 my $sql="SELECT id FROM $type WHERE name=?";
615 my ($id)=$self->cmd_onerow($sql, $val);
623 $relpath =~ s/^\Q$self->{base}\E\/?//;
624 my($filepart,$pathpart);
632 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
634 my $file=ID3FS::AudioFile->new($path, $self->{me});
635 return unless(defined($file));
636 my $artist=$file->artist();
637 my $album=$file->album();
638 my $v1genre=$file->v1genre();
639 my $year=$file->year();
640 my $audiotype=$file->audiotype();
641 my @tags=$file->tags();
642 my $haspic=$file->haspic();
644 $artist=undef unless($self->ok($artist));
645 print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
646 my $artist_id=$self->add_to_table("artists", $artist);
647 my $path_id=$self->add_to_table("paths", $pathpart);
648 $album=undef unless($self->ok($album));
649 if($self->{verbose} && !defined($album))
651 print "$self->{me}: $path: no album tag defined\n";
654 my $albums_id=$self->add_to_table("albums", $album);
655 my $file_id=$self->add_to_table("files", $filepart,
656 { "artists_id" => $artist_id,
657 "albums_id" => $albums_id,
658 "paths_id" => $path_id });
661 $self->add_tag($file_id, @$tag);
666 $self->add_tag($file_id, "year", $year);
667 if($year=~/^(\d\d\d)\d$/)
669 $self->add_tag($file_id, "decade", "${1}0s");
673 if($self->ok($v1genre))
675 $self->add_tag($file_id, "v1genre", $v1genre);
680 $self->add_tag($file_id, "haspic", undef);
686 my($self, $file_id, $tag, $value)=@_;
687 my $tag_id=$self->add_to_table("tags", $tag,
688 { "parents_id" => undef });
689 $self->add_relation("files_x_tags",
690 { "files_id" => $file_id,
691 "tags_id" => $tag_id });
692 if(defined($value) && length($value))
694 my $val_id=$self->add_to_table("tags", $value,
695 { "parents_id" => $tag_id });
696 $self->add_relation("files_x_tags",
697 { "files_id" => $file_id,
698 "tags_id" => $val_id });
704 my($self, $table, $name, $extradata)=@_;
705 my $id=$self->lookup_id($table, $name);
708 my $sql="INSERT INTO $table (";
709 $sql .= "id, " if($self->{postgres});
711 if(defined($extradata))
713 push(@fields, sort keys(%$extradata));
715 $sql .= join(", ", @fields);
717 $sql .=") nextval('seq'), " if($self->{postgres});
718 $sql .= join(", ", map { "?"; } @fields);
720 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
727 my ($self, $relname, $fields)=@_;
728 return if($self->relation_exists($relname, $fields));
729 my $sql="INSERT INTO $relname (";
730 $sql .= join(", ", sort keys(%$fields));
731 $sql .= ") VALUES (";
732 $sql .= join(", ", map { "?"; } sort keys(%$fields));
734 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
739 my($self, $table, $name)=@_;
740 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
747 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
748 "WHERE tags.parents_id=?\n");
749 my ($rows)=$self->cmd_onerow($sql, $id);
756 $dir=~s/^$self->{base}\/?//;
757 my $sql=("SELECT files.name FROM files\n" .
758 "INNER JOIN paths ON files.paths_id=paths.id\n" .
759 "WHERE paths.name=?\n");
760 my $files=$self->cmd_rows($sql, $dir);
761 return(map { $_->[0]; } @$files);
764 sub prune_directories
767 my $sql=("SELECT name, id FROM paths ORDER BY name\n");
768 my $pathsref=$self->cmd_rows($sql);
770 for my $pathpair (@$pathsref)
772 my($path, $id)=@$pathpair;
773 my $fullpath="$self->{absbase}/$path";
779 $self->prune_paths(@ids);
787 my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
788 join(', ', map { "\"$_\""; } @ids). "\n\t)");
789 print "SQL: \n", $sql, "\n";
797 DELETE FROM artists WHERE id IN (
798 SELECT artists.id FROM artists
799 LEFT JOIN files ON files.artists_id=artists.id
800 WHERE files.id IS NULL);
802 DELETE FROM albums WHERE id IN (
803 SELECT albums.id FROM albums
804 LEFT JOIN files ON files.albums_id=albums.id
805 WHERE files.id IS NULL);
807 DELETE FROM paths WHERE id IN (
808 SELECT paths.id FROM paths
809 LEFT JOIN files ON files.paths_id=paths.id
810 WHERE files.id IS NULL);
812 DELETE FROM files_x_tags WHERE files_id IN (
813 SELECT files_x_tags.files_id FROM files_x_tags
814 LEFT JOIN files ON files.id=files_x_tags.files_id
815 WHERE files.id IS NULL);
817 DELETE FROM tags WHERE id IN (
818 SELECT tags.id FROM tags
819 LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
820 WHERE files_x_tags.files_id IS NULL);
825 my @sql=split(/\n\n/, $sql);
826 $self->cmd($_) for (@sql);
831 my ($self, $relname, $fields)=@_;
832 my $sql="SELECT count(1) FROM $relname WHERE ";
835 for my $field (keys %$fields)
838 push(@vals,$fields->{$field});
840 $sql .= join(' AND ', map { "$_=?"; } @exprs);
841 my ($ret)=$self->cmd_onerow($sql, @vals);
847 my($self, $thing)=@_;
848 return(defined($thing) && length($thing) && $thing =~ /\S+/);
853 my ($self, @args)=@_;
854 # don't care about retcode
855 $self->cmd_sth(@args);
860 my ($self, @args)=@_;
861 my $sth=$self->cmd_sth(@args);
862 return($sth->fetchrow_array());
867 my ($self, @args)=@_;
868 my $sth=$self->cmd_sth(@args);
869 return $sth->fetchall_arrayref();
874 my ($self, @args)=@_;
875 $self->cmd_sth(@args);
876 return($self->last_insert_id());
882 if($self->{postgres})
884 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
885 { sequence => "seq" });
889 return $self->{dbh}->last_insert_id("","","","");
896 schema_version INTEGER,
901 id INTEGER PRIMARY KEY,
905 CREATE TABLE artists (
906 id INTEGER PRIMARY KEY,
910 CREATE TABLE albums (
911 id INTEGER PRIMARY KEY,
916 id INTEGER PRIMARY KEY,
921 FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
922 FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
923 FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
927 id INTEGER PRIMARY KEY,
932 CREATE TABLE files_x_tags (
935 FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
936 FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE