15 my $class=ref($proto) || $proto;
20 $self->{dbpath}=shift;
22 $self->{fallbackdir}=shift;
24 if(!defined($self->{base}) &&
25 defined($self->{fallbackdir}) &&
26 -d $self->{fallbackdir})
28 $self->{base}=$self->{fallbackdir};
30 $self->{dbpath}="$self->{base}/$dbfile" unless(defined($self->{dbpath}));
31 $self->{absbase}=Cwd::abs_path($self->{base});
33 my $connectstr="dbi:SQLite:dbname=$self->{dbpath}";
34 my ($user, $pass)=("", "");
37 $connectstr="dbi:Pg:dbname=id3fs";
41 my $exists=-f $self->{dbpath};
42 $self->{dbh}=DBI->connect($connectstr, $user, $pass,
44 unless(defined($self->{dbh}))
46 die("$self->{me}: DB Error: " . $DBI::errstr . "\n");
57 $self->enable_foreign_keys();
64 my @schema=split(/\n\n/,join("", <DATA>));
68 $self->{dbh}->do($cmd);
72 $self->cmd("CREATE SEQUENCE seq");
76 my %indexes=( "idx_files_id" => "files (id)",
77 "idx_fxt_both" => "files_x_tags (files_id, tags_id)",
78 "idx_fxt_files" => "files_x_tags (files_id)",
79 "idx_fxt_tags" => "files_x_tags (tags_id)",
80 "idx_tags_id" => "tags (id)",
81 "idx_tags_name" => "tags (name)");
82 for my $index (keys %indexes)
84 $self->{dbh}->do("CREATE INDEX $index ON " . $indexes{$index});
87 $self->cmd("INSERT INTO id3fs (schema_version, last_update) VALUES (?, ?)",
88 $SCHEMA_VERSION, time());
94 my ($version)=$self->cmd_onerow("SELECT schema_version from id3fs");
95 if(!defined($version) || $version != $SCHEMA_VERSION)
97 die("$self->{me}: id3fs database version " .
98 defined($version) ? $version : '""' .
99 "not known, current version is $SCHEMA_VERSION.\n");
103 sub enable_foreign_keys
106 $self->cmd("PRAGMA foreign_keys = ON");
111 my($self, $newval)=@_;
114 $self->cmd("UPDATE id3fs SET last_update=?", $newval);
118 ($newval)=$self->cmd_onerow("SELECT last_update from id3fs");
125 my($self, $sql, @params)=@_;
126 my $sth=$self->{dbh}->prepare($sql);
128 for my $param (@params)
130 $param="" unless(defined($param));
131 $sth->bind_param($idx++, $param);
139 my($self, @constraints)=@_;
140 if(!@constraints) # /
143 my $sql="SELECT DISTINCT name FROM tags;";
144 my $tags=$self->cmd_rows($sql);
145 return(map { $_->[0]; } @$tags);
149 my $main_sql_start=("SELECT t2.name\n" .
150 "\tFROM (SELECT files_id FROM tags t1\n" .
151 "\t\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
152 "\t\tWHERE t1.id in\n\t\t\t(");
153 my $main_sql_mid=(")\n\t\t) AS subselect\n" .
154 "\tINNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
155 "\tINNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
156 "\tWHERE t2.id NOT IN (");
157 my $main_sql_end=")\n\tGROUP BY t2.name;";
158 while(my $constraint=shift @constraints)
160 my $cid=$constraint->{id};
163 @ids = map( { "\"$_\""; } @ids) unless($self->{postgres});
164 my $tagstr=join(", ", @ids);
165 my $sql = ($main_sql_start . $tagstr .
166 $main_sql_mid . $tagstr .
169 my $result=$self->cmd_rows($sql);
170 my @tagnames=map { $_->[0]; } @$result;
171 print "SUBNAMES: ", join(', ', @tagnames), "\n";
177 my($self, $tagid)=@_;
178 my $sql=("SELECT DISTINCT tagvals.name FROM tagvals\n" .
179 "INNER JOIN tags_x_tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
180 "WHERE tags_x_tagvals.tags_id=?");
181 my $tags=$self->cmd_rows($sql, $tagid);
182 my @tags=map { $_->[0]; } @$tags;
183 @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
189 my($self, @constraints)=@_;
190 if(!@constraints) # /ALL
192 my $sql="SELECT DISTINCT name FROM artists;";
193 my $tags=$self->cmd_rows($sql);
194 return(map { $_->[0]; } @$tags);
197 my $main_sql_start=("SELECT artists.name\n" .
198 "\tFROM (SELECT files_id FROM tags\n" .
199 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
200 "\t\tWHERE tags.id in\n\t\t\t(");
201 my $main_sql_end=(")\n\t\t) AS subselect\n" .
202 "\tINNER JOIN files ON subselect.files_id=files.id\n" .
203 "\tINNER JOIN artists ON files.artists_id=artists.id\n" .
204 "\n\tGROUP BY artists.name;");
205 while(my $constraint=shift @constraints)
207 my $cid=$constraint->{id};
210 @ids = map( { "\"$_\""; } @ids) unless($self->{postgres});
211 my $tagstr=join(", ", @ids);
212 my $sql = ($main_sql_start . $tagstr .
215 my $result=$self->cmd_rows($sql);
216 my @tagnames=map { $_->[0]; } @$result;
217 print "ARTISTS: ", join(', ', @tagnames), "\n";
223 my($self, @constraints)=@_;
225 # FIXME: rework PathElements
226 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
228 return $self->artist_albums($constraints[$#constraints]->{id});
230 my $main_sql_start=("SELECT albums.name\n" .
231 "\tFROM (SELECT files_id FROM tags\n" .
232 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
233 "\t\tWHERE tags.id in\n\t\t\t(");
234 my $main_sql_end=(")\n\t\t) AS subselect\n" .
235 "\tINNER JOIN files ON subselect.files_id=files.id\n" .
236 "\tINNER JOIN albums ON files.albums_id=albums.id\n" .
237 "\n\tGROUP BY albums.name;");
238 while(my $constraint=shift @constraints)
240 my $cid=$constraint->{id};
243 @ids = map( { "\"$_\""; } @ids) unless($self->{postgres});
244 my $str=join(", ", @ids);
245 my $sql = ($main_sql_start . $str .
247 my $result=$self->cmd_rows($sql);
248 my @names=map { $_->[0]; } @$result;
249 print "ALBUMS: ", join(', ', @names), "\n";
255 my($self, $artist_id)=@_;
256 my $sql=("SELECT albums.name FROM files\n\t" .
257 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
258 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
259 "WHERE artists.id=? and albums.name <> ''\n\t" .
260 "GROUP BY albums.name\n");
261 print "ARTIST_ALBUMS SQL: $sql\n";
262 my $result=$self->cmd_rows($sql, $artist_id);
263 my @albums=map { $_->[0]; } @$result;
264 print "ALBUMS: ", join(', ', @albums), "\n";
270 my($self, $artist_id)=@_;
271 my $sql=("SELECT files.name FROM files\n\t" .
272 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
273 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
274 "WHERE artists.id=? AND albums.name=''\n\t" .
275 "GROUP BY files.name\n");
276 print "ARTIST_TRACKS SQL: $sql\n";
277 my $result=$self->cmd_rows($sql, $artist_id);
278 my @names=map { $_->[0]; } @$result;
279 @names = map { s/.*\///; $_; } @names;
280 print "ARTISTTRACKS: ", join(', ', @names), "\n";
286 my($self, $artist_id, $album_id)=@_;
287 my $sql=("SELECT files.name FROM files\n\t" .
288 "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
289 "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
290 "WHERE artists.id=? AND albums.id=?\n\t" .
291 "GROUP BY files.name\n");
292 print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
293 my $result=$self->cmd_rows($sql, $artist_id, $album_id);
294 my @names=map { $_->[0]; } @$result;
295 @names = map { s/.*\///; $_;} @names;
296 print "TRACKS: ", join(', ', @names), "\n";
302 my($self, @constraints)=@_;
303 # FIXME: rework PathElements
304 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
306 return $self->artist_tracks($constraints[$#constraints]->{id});
308 elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
311 my $artist=$constraints[($#constraints)-1];
312 if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
314 # should always happen
315 $artist_id=$artist->{id};
317 return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
320 my $main_sql_start=("SELECT files.name\n" .
321 "\tFROM (SELECT files_id FROM tags\n" .
322 "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
323 "\t\tWHERE tags.id in\n\t\t\t(");
324 my $main_sql_end=(")\n\t\t) AS subselect\n" .
325 "\tINNER JOIN files ON files.id=subselect.files_id" .
326 "\tGROUP BY files.name;");
328 while(my $constraint=shift @constraints)
330 my $cid=$constraint->{id};
333 @ids = map( { "\"$_\""; } @ids) unless($self->{postgres});
334 my $str=join(", ", @ids);
335 my $sql = ($main_sql_start . $str .
338 my $result=$self->cmd_rows($sql);
339 my @names=map { $_->[0]; } @$result;
340 @names = map { s/.*\///; $_; } @names;
341 print "TRACKS: ", join(', ', @names), "\n";
347 my($self, @constraints)=@_;
348 if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
350 my $id=$constraints[$#constraints]->{id};
351 my $sql=("SELECT paths.name, files.name FROM files\n" .
352 "INNER JOIN paths ON files.paths_id=paths.id\n" .
353 "WHERE files.id=?\n" .
354 "GROUP BY paths.name, files.name");
355 print "FILENAME SQL: $sql\n";
356 my ($path, $name)=$self->cmd_onerow($sql, $id);
357 return($self->{absbase} . "/$path/$name");
359 die("DB::filename: unhandled case\n"); #FIXME
364 my($self, $type, $val)=@_;
365 my $sql="SELECT id FROM $type WHERE name=?";
366 my ($id)=$self->cmd_onerow($sql, $val);
374 $relpath =~ s/^\Q$self->{base}\E\/?//;
375 my($filepart,$pathpart);
383 ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
385 my $file=ID3FS::AudioFile->new($path);
386 return unless(defined($file));
387 my $artist=$file->artist();
388 my $album=$file->album();
389 my $v1genre=$file->v1genre();
390 my $year=$file->year();
391 my $audiotype=$file->audiotype();
392 my $tags=$file->tags();
393 my $haspic=$file->haspic();
395 $artist=undef unless($self->ok($artist));
396 my $artist_id=$self->add_to_table("artists", $artist);
397 my $path_id=$self->add_to_table("paths", $pathpart);
398 $album=undef unless($self->ok($album));
399 my $albums_id=$self->add_to_table("albums", $album);
400 my $file_id=$self->add_to_table("files", $filepart,
401 { "artists_id" => $artist_id,
402 "albums_id" => $albums_id,
403 "paths_id" => $path_id });
404 for my $tag (keys %$tags)
406 $self->add_tag($file_id, $tag, $tags->{$tag});
411 $self->add_tag($file_id, "year", $year);
412 if($year=~/^(\d\d\d)\d$/)
414 $self->add_tag($file_id, "decade", "${1}0s");
418 if($self->ok($v1genre))
420 $self->add_tag($file_id, "v1genre", $v1genre);
425 $self->add_tag($file_id, "haspic", undef);
431 my($self, $file_id, $tag, $val)=@_;
432 my $tag_id=$self->add_to_table("tags", $tag);
433 $self->add_relation("files_x_tags",
434 { "files_id" => $file_id,
435 "tags_id" => $tag_id });
438 my $val_id=$self->add_to_table("tagvals", $val);
439 $self->add_relation("tags_x_tagvals",
440 { "tags_id" => $tag_id,
441 "tagvals_id" => $val_id });
447 my($self, $table, $name, $extradata)=@_;
448 my $id=$self->lookup_id($table, $name);
451 my $sql="INSERT INTO $table (";
452 $sql .= "id, " if($self->{postgres});
454 if(defined($extradata))
456 push(@fields, sort keys(%$extradata));
458 $sql .= join(", ", @fields);
460 $sql .=") nextval('seq'), " if($self->{postgres});
461 $sql .= join(", ", map { "?"; } @fields);
463 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
470 my ($self, $relname, $fields)=@_;
471 return if($self->relation_exists($relname, $fields));
472 my $sql="INSERT INTO $relname (";
473 $sql .= join(", ", sort keys(%$fields));
474 $sql .= ") VALUES (";
475 $sql .= join(", ", map { "?"; } sort keys(%$fields));
477 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
482 my($self, $table, $name)=@_;
483 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
490 my $sql=("SELECT COUNT(*) FROM tags\n\t" .
491 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
492 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
493 "WHERE tags.id=?\n");
494 my ($rows)=$self->cmd_onerow($sql, $id);
500 my ($self, $relname, $fields)=@_;
501 my $sql="SELECT count(1) FROM $relname WHERE ";
504 for my $field (keys %$fields)
507 push(@vals,$fields->{$field});
509 $sql .= join(' AND ', map { "$_=?"; } @exprs);
510 my ($ret)=$self->cmd_onerow($sql, @vals);
516 my($self, $thing)=@_;
517 return(defined($thing) && length($thing) && $thing =~ /\S+/);
522 my ($self, @args)=@_;
523 # don't care about retcode
524 $self->cmd_sth(@args);
529 my ($self, @args)=@_;
530 my $sth=$self->cmd_sth(@args);
531 return($sth->fetchrow_array());
536 my ($self, @args)=@_;
537 my $sth=$self->cmd_sth(@args);
538 return $sth->fetchall_arrayref();
543 my ($self, @args)=@_;
544 $self->cmd_sth(@args);
545 return($self->last_insert_id());
551 if($self->{postgres})
553 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
554 { sequence => "seq" });
558 return $self->{dbh}->last_insert_id("","","","");
565 schema_version INTEGER,
570 id INTEGER PRIMARY KEY,
574 CREATE TABLE artists (
575 id INTEGER PRIMARY KEY,
579 CREATE TABLE albums (
580 id INTEGER PRIMARY KEY,
585 id INTEGER PRIMARY KEY,
590 FOREIGN KEY(artists_id) REFERENCES artists(id),
591 FOREIGN KEY(albums_id) REFERENCES albums(id),
592 FOREIGN KEY(paths_id) REFERENCES paths(id)
596 id INTEGER PRIMARY KEY,
600 CREATE TABLE tagvals (
601 id INTEGER PRIMARY KEY,
605 CREATE TABLE files_x_tags (
608 FOREIGN KEY(files_id) REFERENCES files(id),
609 FOREIGN KEY(tags_id) REFERENCES tags(id)
612 CREATE TABLE tags_x_tagvals (
615 FOREIGN KEY(tags_id) REFERENCES tags(id),
616 FOREIGN KEY(tagvals_id) REFERENCES tagvals(id)