use strict;
use warnings;
use DBI;
-use ID3FS::File;
+use ID3FS::AudioFile;
+use Cwd;
our $SCHEMA_VERSION=1;
my $dbfile=".id3fs";
my $self={};
bless($self,$class);
- my($dir, $init, $me)=@_;
- $self->{dbpath}="$dir/$dbfile";
- $self->{me}=$me;
+ $self->{me}=shift;
+ $self->{verbose}=shift;
+ my $init=shift;
+ my $dbpath=shift;
+ $self->{base}=shift;
+ my $fallbackdir=shift;
- my $exists=-f $self->{dbpath};
+ $dbpath=$self->find_db($init, $dbpath, $fallbackdir);
+ return undef unless($dbpath);
+ $self->{absbase}=Cwd::abs_path($self->{base});
- $self->{postgres}=0;
-
- unless($self->{postgres})
- {
- die("$me: $self->{dbpath}: not found. use --init to create.\n") if(!$exists && !$init);
- die("$me: --init used but $self->{dbpath} exists.\n") if($exists && $init);
- }
-
- my $connectstr="dbi:SQLite:dbname=$self->{dbpath}";
+ my $connectstr="dbi:SQLite:dbname=$dbpath";
my ($user, $pass)=("", "");
if($self->{postgres})
{
$user="ianb";
$pass="foo";
}
+ my $exists=-f $dbpath;
$self->{dbh}=DBI->connect($connectstr, $user, $pass,
{ AutoCommit=>1 } );
unless(defined($self->{dbh}))
{
- die("$me: DB Error: " . $DBI::errstr . "\n");
+ die("$self->{me}: DB Error: " . $DBI::errstr . "\n");
}
- if($init)
+ if($exists)
{
- $self->create();
+ $self->checkschema();
}
else
{
- $self->checkschema();
+ $self->create();
}
-
+ $self->enable_foreign_keys();
return $self;
}
+sub find_db
+{
+ my($self, $init, $dbpath, $fallbackdir)=@_;
+ my $file=undef;
+ my $base=undef;
+ if(defined($dbpath))
+ {
+ $file=$dbpath;
+ }
+ if(defined ($self->{base}))
+ {
+ $file="$self->{base}/$dbfile" unless defined($file);
+ $base=$self->{base};
+ }
+ elsif(defined($fallbackdir) && -d $fallbackdir)
+ {
+ my $path=Cwd::abs_path($fallbackdir);
+ do
+ {
+ $file="$path/$dbfile";
+ $base=$path;
+ $path=~s/(.*)\/.*/$1/;
+ }
+ while(! -f $file && length($path) && -d $path);
+ if(! -f $file)
+ {
+ $file="$fallbackdir/$dbfile";
+ $base=$fallbackdir;
+ }
+ }
+ if(!-f $file && !$init)
+ {
+ print "$self->{me}: db not found at $file\n";
+ return undef;
+ }
+ $self->{base}=$base;
+ return $file;
+}
+
+sub base_dir { return shift->{base}; }
+
sub create
{
my($self,$name)=@_;
}
else
{
- my %indexes=( "idx_files_id" => "files(id)",
- "idx_fxt_both" => "files_x_tags(files_id, tags_id)",
+ my %indexes=( "idx_files_id" => "files (id)",
+ "idx_fxt_both" => "files_x_tags (files_id, tags_id)",
"idx_fxt_files" => "files_x_tags (files_id)",
"idx_fxt_tags" => "files_x_tags (tags_id)",
"idx_tags_id" => "tags (id)",
- "idx_tags_name" => "tags(name)" );
+ "idx_tags_name" => "tags (name)");
for my $index (keys %indexes)
{
$self->{dbh}->do("CREATE INDEX $index ON " . $indexes{$index});
}
}
- $self->cmd("INSERT INTO id3fs (schema_version) VALUES (?)", $SCHEMA_VERSION);
+ $self->cmd("INSERT INTO id3fs (schema_version, last_update) VALUES (?, ?)",
+ $SCHEMA_VERSION, time());
}
sub checkschema
}
}
+sub analyze
+{
+ my $self=shift;
+ $self->cmd("ANALYZE");
+}
+
+sub enable_foreign_keys
+{
+ my $self=shift;
+ $self->cmd("PRAGMA foreign_keys = ON");
+}
+
+sub last_update
+{
+ my($self, $newval)=@_;
+ if(defined($newval))
+ {
+ $self->cmd("UPDATE id3fs SET last_update=?", $newval);
+ }
+ else
+ {
+ ($newval)=$self->cmd_onerow("SELECT last_update from id3fs");
+ }
+ return $newval;
+}
+
sub cmd_sth
{
my($self, $sql, @params)=@_;
my($self, @constraints)=@_;
if(!@constraints) # /
{
+ # FIXME: add ALL?
my $sql="SELECT DISTINCT name FROM tags;";
my $tags=$self->cmd_rows($sql);
return(map { $_->[0]; } @$tags);
}
- my @file_ids=();
- my @tag_ids=();
+ my @ids=();
my $main_sql_start=("SELECT t2.name\n" .
- "\tFROM (SELECT files_id FROM tags t1\n" .
- "\t\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
- "\t\tWHERE t1.id in\n\t\t\t(");
- my $main_sql_mid=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
- "\tINNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
- "\tWHERE t2.id NOT IN (");
- my $main_sql_end=")\n\tGROUP BY t2.name;";
+ "\tFROM (\n" .
+ $self->tags_subselect(@constraints) .
+ ") AS subselect\n" .
+ "INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
+ "INNER JOIN tags t2 ON files_x_tags.tags_id=t2.id\n" .
+ "WHERE t2.id NOT IN (");
+ my $main_sql_end=")\nGROUP BY t2.name;";
+ # FIXME: generalise more?
+
while(my $constraint=shift @constraints)
{
- print "CONSTRAINT: $constraint->{name}\n";
my $cid=$constraint->{id};
- push(@tag_ids, $cid);
+ push(@ids, $cid);
}
- @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
- my $tagstr=join(", ", @tag_ids);
+ @ids = map( { "\"$_\""; } grep { defined; } @ids) unless($self->{postgres});
+ my $tagstr=join(", ", @ids);
my $sql = ($main_sql_start . $tagstr .
- $main_sql_mid . $tagstr .
$main_sql_end);
print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
sub tag_values
{
- my($self, $tag)=@_;
- my $sql=("SELECT DISTINCT tagvals.name FROM tags\n" .
- "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
- "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
- "WHERE tags.name=?");
- my $tags=$self->cmd_rows($sql, $tag);
- return(map { $_->[0]; } @$tags);
+ my($self, $tagid)=@_;
+ my $sql=("SELECT DISTINCT tagvals.name FROM tagvals\n" .
+ "INNER JOIN tags_x_tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
+ "WHERE tags_x_tagvals.tags_id=?");
+ my $tags=$self->cmd_rows($sql, $tagid);
+ my @tags=map { $_->[0]; } @$tags;
+ @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
+ return @tags;
}
sub artists
my $tags=$self->cmd_rows($sql);
return(map { $_->[0]; } @$tags);
}
- my @file_ids=();
- my @tag_ids=();
- my $main_sql_start=("SELECT artists.name\n" .
- "\tFROM (SELECT files_id FROM tags\n" .
- "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
- "\t\tWHERE tags.id in\n\t\t\t(");
- my $main_sql_end=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files_x_artists ON subselect.files_id=files_x_artists.files_id\n" .
- "\tINNER JOIN artists ON artists.id=files_x_artists.artists_id\n" .
- "\n\tGROUP BY artists.name;");
- while(my $constraint=shift @constraints)
- {
- print "CONSTRAINT: $constraint->{name}\n";
- my $cid=$constraint->{id};
- push(@tag_ids, $cid);
- }
- @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
- my $tagstr=join(", ", @tag_ids);
- my $sql = ($main_sql_start . $tagstr .
- $main_sql_end);
+ my @ids=();
+ my $sql=("SELECT artists.name FROM (\n" .
+ $self->tags_subselect(@constraints) .
+ ") AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
+ "INNER JOIN artists ON files.artists_id=artists.id\n" .
+ "GROUP BY artists.name;");
print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
my @tagnames=map { $_->[0]; } @$result;
sub albums
{
my($self, @constraints)=@_;
- my @file_ids=(); # FIXME: needed? what about in artists()
- my @tag_ids=();
+ my @ids=();
# FIXME: rework PathElements
if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
{
- return $self->artist_albums($constraints[$#constraints]->{id});
- }
- return(); # FIXME
- my $main_sql_start=("SELECT artists.name\n" .
- "\tFROM (SELECT files_id FROM tags\n" .
- "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
- "\t\tWHERE tags.id in\n\t\t\t(");
- my $main_sql_end=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files_x_artists ON subselect.files_id=files_x_artists.files_id\n" .
- "\tINNER JOIN artists ON artists.id=files_x_artists.artists_id\n" .
- "\n\tGROUP BY artists.name;");
- while(my $constraint=shift @constraints)
- {
- print "CONSTRAINT: $constraint->{name}\n";
- my $cid=$constraint->{id};
- push(@tag_ids, $cid);
+ return $self->artist_albums($constraints[$#constraints]->{id}, @constraints);
}
- @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
- my $tagstr=join(", ", @tag_ids);
- my $sql = ($main_sql_start . $tagstr .
- $main_sql_end);
- print "SQL: $sql\n";
+ my $sql=("SELECT albums.name\n" .
+ "\tFROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
+ "INNER JOIN albums ON files.albums_id=albums.id\n" .
+ "GROUP BY albums.name;");
my $result=$self->cmd_rows($sql);
- my @tagnames=map { $_->[0]; } @$result;
- print "ARTISTS: ", join(', ', @tagnames), "\n";
- return(@tagnames);
+ my @names=map { $_->[0]; } @$result;
+ print "ALBUMS: ", join(', ', @names), "\n";
+ return(@names);
}
sub artist_albums
{
- my($self, $artist_id)=@_;
- my $sql=("SELECT albums.name FROM artists\n\t" .
- "INNER JOIN artists_x_albums ON artists.id=artists_x_albums.artists_id\n\t" .
- "INNER JOIN albums ON albums.id=artists_x_albums.albums_id\n\t" .
- "WHERE artists.id=?\n\t" .
+ my($self, $artist_id, @constraints)=@_;
+ my $sql=("SELECT albums.name FROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
+ "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
+ "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
+ "WHERE artists.id=? and albums.name <> ''\n\t" .
"GROUP BY albums.name\n");
print "ARTIST_ALBUMS SQL: $sql\n";
my $result=$self->cmd_rows($sql, $artist_id);
sub artist_tracks
{
- my($self, $artist_id)=@_;
- my $sql=("SELECT files.name FROM artists\n\t" .
- "INNER JOIN artists_x_files ON artists.id=files_x_artists.artists_id\n\t" .
- "INNER JOIN files ON files.id=files_x_artists.files_id\n\t" .
- "WHERE artists.id=?\n\t" .
+ my($self, $artist_id, @constraints)=@_;
+ my $sql=("SELECT files.name FROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON subselect.files_id=files.id\n" .
+ "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
+ "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
+ "WHERE artists.id=? AND albums.name=''\n\t" .
"GROUP BY files.name\n");
print "ARTIST_TRACKS SQL: $sql\n";
my $result=$self->cmd_rows($sql, $artist_id);
- my @albums=map { $_->[0]; } @$result;
- print "ALBUMS: ", join(', ', @albums), "\n";
- return(@albums);
+ my @names=map { $_->[0]; } @$result;
+ print "ARTISTTRACKS: ", join(', ', @names), "\n";
+ return(@names);
}
sub album_tracks
{
- # FIXME: need albums_x_files table
- my($self, $album_id)=@_;
- my $sql=("SELECT files.name FROM albums\n\t" .
- "INNER JOIN files_x_albums ON albums.id=files_x_albums.albums_id\n\t" .
- "INNER JOIN albums ON albums.id=files_x_albums.albums_id\n\t" .
- "WHERE albums.id=?\n\t" .
+ my($self, $artist_id, $album_id)=@_;
+ my $sql=("SELECT files.name FROM files\n\t" .
+ "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
+ "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
+ "WHERE artists.id=? AND albums.id=?\n\t" .
"GROUP BY files.name\n");
- print "ALBUM_TRACKS SQL: $sql\n";
- my $result=$self->cmd_rows($sql, $album_id);
- my @tracks=map { $_->[0]; } @$result;
- print "TRACKS: ", join(', ', @tracks), "\n";
- return(@tracks);
+ print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
+ my $result=$self->cmd_rows($sql, $artist_id, $album_id);
+ my @names=map { $_->[0]; } @$result;
+ print "TRACKS: ", join(', ', @names), "\n";
+ return(@names);
}
sub tracks
# FIXME: rework PathElements
if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
{
- return $self->artist_tracks($constraints[$#constraints]->{id});
+ return $self->artist_tracks($constraints[$#constraints]->{id}, @constraints);
}
elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
{
- # FIXME
- return(());
-# return $self->album_tracks($constraints[$#constraints]->{id});
- }
- return(); # FIXME
- my $main_sql_start=("SELECT artists.name\n" .
- "\tFROM (SELECT files_id FROM tags\n" .
- "\t\tINNER JOIN files_x_tags ON tags.id=files_x_tags.tags_id\n" .
- "\t\tWHERE tags.id in\n\t\t\t(");
- my $main_sql_end=(")\n\t\t) AS subselect\n" .
- "\tINNER JOIN files_x_artists ON subselect.files_id=files_x_artists.files_id\n" .
- "\tINNER JOIN artists ON artists.id=files_x_artists.artists_id\n" .
- "\n\tGROUP BY artists.name;");
- my @tag_ids;
- while(my $constraint=shift @constraints)
- {
- print "CONSTRAINT: $constraint->{name}\n";
- my $cid=$constraint->{id};
- push(@tag_ids, $cid);
+ my $artist_id=0;
+ my $artist=$constraints[($#constraints)-1];
+ if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
+ {
+ # should always happen
+ $artist_id=$artist->{id};
+ }
+ return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
}
- @tag_ids = map( { "\"$_\""; } @tag_ids) unless($self->{postgres});
- my $tagstr=join(", ", @tag_ids);
- my $sql = ($main_sql_start . $tagstr .
- $main_sql_end);
+
+ my $sql=("SELECT files.name\n" .
+ "\tFROM (\n" .
+ $self->tags_subselect(@constraints) .
+ "\t) AS subselect\n" .
+ "INNER JOIN files ON files.id=subselect.files_id\n" .
+ "GROUP BY files.name;");
print "SQL: $sql\n";
my $result=$self->cmd_rows($sql);
- my @tagnames=map { $_->[0]; } @$result;
- print "ARTISTS: ", join(', ', @tagnames), "\n";
- return(@tagnames);
+ my @names=map { $_->[0]; } @$result;
+ print "TRACKS: ", join(', ', @names), "\n";
+ return(@names);
+}
+
+sub filename
+{
+ my($self, $mountpoint, @constraints)=@_;
+ if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
+ {
+ my $id=$constraints[$#constraints]->{id};
+ my $sql=("SELECT paths.name, files.name FROM files\n" .
+ "INNER JOIN paths ON files.paths_id=paths.id\n" .
+ "WHERE files.id=?\n" .
+ "GROUP BY paths.name, files.name");
+ print "FILENAME SQL: $sql\n";
+ my ($path, $name)=$self->cmd_onerow($sql, $id);
+ my $id3fs_path=join('/', map { $_->{name}; } @constraints);
+ return($self->relativise($path, $name, $mountpoint, $id3fs_path));
+ }
+ die("DB::filename: unhandled case\n"); #FIXME
+}
+
+sub tags_subselect
+{
+ my($self,@constraints)=@_;
+ use Data::Dumper;
+ my @tags=();
+ my @tags_vals=();
+ my $lasttag='';
+# print "CONSTRAINTS: \n", Dumper \@constraints;
+ for my $constraint (@constraints)
+ {
+# print ref($constraint),"\n";
+ if(ref($constraint) eq "ID3FS::PathElement::Tag")
+ {
+ if($self->tag_has_values($constraint->{id}))
+ {
+# print "HASVALUES\n";
+ $lasttag=$constraint->{id} if defined($constraint->{id});
+ }
+ else
+ {
+# print "NOVALUES\n";
+ push(@tags, $constraint->{id}) if(defined($constraint->{id}));
+ }
+ }
+ elsif(ref($constraint) eq "ID3FS::PathElement::Tagval")
+ {
+# print "TAGVAL\n";
+ push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
+ }
+ }
+ unless($self->{postgres})
+ {
+ @tags=map{ "\"$_\""; } @tags;
+ @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
+ }
+# print "TAGS\n", Dumper \@tags;
+# print "\nVALS\n", Dumper(\@tags_vals), "\n";
+ my $sql=("\tSELECT files_id FROM tags t1\n" .
+ "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n" .
+ "\tINNER JOIN tags_x_tagvals ON t1.id=tags_x_tagvals.tags_id\n");
+ my @clauses=();
+ if(@tags)
+ {
+ push(@clauses, "(t1.id IN ( " . join(', ', @tags) ." ) )");
+ }
+ for my $pair (@tags_vals)
+ {
+ my($tag, $val)=@$pair;
+ push(@clauses, "( t1.id=$tag AND tags_x_tagvals.tagvals_id=$val )");
+ }
+ if(@clauses)
+ {
+ $sql .= "\tWHERE\n\t\t" . join("\n\t\tOR ", @clauses) . "\n";
+ }
+ return $sql;
+}
+
+
+sub relativise
+{
+ my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
+ $id3fs_path=~s/(.*)\/.*/$1/;
+ my $rpath="$self->{absbase}/$path";
+ my $vpath="$mountpoint/$id3fs_path";
+ my @path=split(/\//,$rpath);
+ my @rel=split(/\//,$vpath);
+ #absolute paths have empty first element due to leading /
+ shift(@path) if($path[0] eq "");
+ shift(@rel) if($rel[0] eq "");
+ if($path[0] ne $rel[0])
+ {
+ #no path in common, return absolute
+ print "FAIL: NO PATHS IN COMMON\n";
+ return $name;
+ }
+ # f: /home/foo/bar/baz.mp3
+ # r: /home/ianb/music/albums
+ while(@path && @rel && ($path[0] eq $rel[0]))
+ {
+ shift(@path);
+ shift(@rel);
+ print "POP ";
+ }
+ print "\n";
+ my $upcount=scalar(@rel);
+ my $result="../" x $upcount;
+ $result .= join("/",@path);
+ $result .= "/$name";
+ return $result;
+}
+
+sub bare_tags
+{
+ my($self)=@_;
+ my $sql=("SELECT tags.name FROM tags\n" .
+ "LEFT JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
+ "WHERE tags_x_tagvals.tags_id IS NULL\n" .
+ "GROUP BY tags.name\n");
+ my $result=$self->cmd_rows($sql);
+ my @names=map { $_->[0]; } @$result;
+ return (@names);
+}
+
+sub tags_with_values
+{
+ my($self)=@_;
+ my $sql=("SELECT tags.name, tagvals.name FROM tags\n" .
+ "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
+ "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
+ "GROUP BY tags.name, tagvals.name\n");
+ my $result=$self->cmd_rows($sql);
+ my $tags={};
+ for my $pair (@$result)
+ {
+ push(@{$tags->{$pair->[0]}}, $pair->[1]);
+ }
+ return $tags;
}
sub id
sub add
{
my($self,$path)=@_;
- my $file=ID3FS::File->new($path);
+ my $relpath=$path;
+ $relpath =~ s/^\Q$self->{base}\E\/?//;
+ my($filepart,$pathpart);
+ if($path !~ /\//)
+ {
+ $pathpart='';
+ $filepart=$relpath;
+ }
+ else
+ {
+ ($pathpart, $filepart) = ($relpath =~ /(.*)\/(.*)/);
+ }
+ my $file=ID3FS::AudioFile->new($path, $self->{me});
return unless(defined($file));
my $artist=$file->artist();
my $album=$file->album();
my $v1genre=$file->v1genre();
my $year=$file->year();
- my $audiotype=$file->album();
+ my $audiotype=$file->audiotype();
my $tags=$file->tags();
my $haspic=$file->haspic();
- my $file_id=$self->add_to_table("files", $path);
- my $artists_id=$self->add_to_table("artists", $artist);
- my $albums_id=$self->add_to_table("albums", $album);
+ $artist=undef unless($self->ok($artist));
+ print "$self->{me}: $path: no artist tag defined\n" unless(defined($artist));
+ my $artist_id=$self->add_to_table("artists", $artist);
+ my $path_id=$self->add_to_table("paths", $pathpart);
+ $album=undef unless($self->ok($album));
+ if($self->{verbose} && !defined($album))
+ {
+ print "$self->{me}: $path: no album tag defined\n";
+ }
+
+ my $albums_id=$self->add_to_table("albums", $album);
+ my $file_id=$self->add_to_table("files", $filepart,
+ { "artists_id" => $artist_id,
+ "albums_id" => $albums_id,
+ "paths_id" => $path_id });
for my $tag (keys %$tags)
{
$self->add_tag($file_id, $tag, $tags->{$tag});
$self->add_tag($file_id, "decade", "${1}0s");
}
}
+
if($self->ok($v1genre))
{
$self->add_tag($file_id, "v1genre", $v1genre);
{
$self->add_tag($file_id, "haspic", undef);
}
-
- $self->add_relation("files_x_artists",
- { "files_id" => $file_id,
- "artists_id" => $artists_id });
-
- $self->add_relation("artists_x_albums",
- { "artists_id" => $artists_id,
- "albums_id" => $albums_id});
}
sub add_tag
return $id;
}
+sub tag_has_values
+{
+ my($self, $id)=@_;
+ my $sql=("SELECT COUNT(*) FROM tags\n\t" .
+ "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n\t" .
+ "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n\t" .
+ "WHERE tags.id=?\n");
+ my ($rows)=$self->cmd_onerow($sql, $id);
+ return $rows;
+}
+
+sub files_in
+{
+ my ($self, $dir)=@_;
+ $dir=~s/^$self->{base}\/?//;
+ my $sql=("SELECT files.name FROM files\n" .
+ "INNER JOIN paths ON files.paths_id=paths.id\n" .
+ "WHERE paths.name=?\n");
+ my $files=$self->cmd_rows($sql, $dir);
+ return(map { $_->[0]; } @$files);
+}
+
+sub prune_directories
+{
+ my($self)=@_;
+ my $sql=("SELECT name, id FROM paths ORDER BY name\n");
+ my $pathsref=$self->cmd_rows($sql);
+ my @ids=();
+ for my $pathpair (@$pathsref)
+ {
+ my($path, $id)=@$pathpair;
+ my $fullpath="$self->{absbase}/$path";
+ unless(-d $fullpath)
+ {
+ push(@ids, $id)
+ }
+ }
+ $self->prune_paths(@ids);
+ return scalar(@ids);
+}
+
+sub prune_paths
+{
+ my($self, @ids)=@_;
+ return unless(@ids);
+ my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
+ join(', ', map { "\"$_\""; } @ids). "\n\t)");
+ print "SQL: \n", $sql, "\n";
+ $self->cmd($sql);
+}
+
+sub remove_unused
+{
+ my($self)=@_;
+ my $sql=<<'EOT';
+ DELETE FROM artists WHERE id IN (
+ SELECT artists.id FROM artists
+ LEFT JOIN files ON files.artists_id=artists.id
+ WHERE files.id IS NULL);
+
+ DELETE FROM albums WHERE id IN (
+ SELECT albums.id FROM albums
+ LEFT JOIN files ON files.albums_id=albums.id
+ WHERE files.id IS NULL);
+
+ DELETE FROM paths WHERE id IN (
+ SELECT paths.id FROM paths
+ LEFT JOIN files ON files.paths_id=paths.id
+ WHERE files.id IS NULL);
+
+ DELETE FROM files_x_tags WHERE files_id IN (
+ SELECT files_x_tags.files_id FROM files_x_tags
+ LEFT JOIN files ON files.id=files_x_tags.files_id
+ WHERE files.id IS NULL);
+
+ DELETE FROM tags WHERE id IN (
+ SELECT tags.id FROM tags
+ LEFT JOIN files_x_tags ON files_x_tags.tags_id=tags.id
+ WHERE files_x_tags.files_id IS NULL);
+
+ DELETE FROM tags_x_tagvals WHERE tags_id IN (
+ SELECT tags_x_tagvals.tags_id FROM tags_x_tagvals
+ LEFT JOIN tags ON tags.id=tags_x_tagvals.tags_id
+ WHERE tags.id IS NULL);
+
+ DELETE FROM tagvals WHERE id IN (
+ SELECT tagvals.id FROM tagvals
+ LEFT JOIN tags_x_tagvals ON tags_x_tagvals.tagvals_id=tagvals.id
+ WHERE tags_x_tagvals.tagvals_id IS NULL);
+EOT
+ print "SQL: $sql\n";
+ my @sql=split(/\n\n/, $sql);
+ $self->cmd($_) for (@sql);
+}
+
sub relation_exists
{
my ($self, $relname, $fields)=@_;
sub ok
{
my($self, $thing)=@_;
- return(defined($thing) && length($thing));
+ return(defined($thing) && length($thing) && $thing =~ /\S+/);
}
sub cmd
__DATA__
CREATE TABLE id3fs (
- schema_version INTEGER
+ schema_version INTEGER,
+ last_update
);
-CREATE TABLE files (
+CREATE TABLE paths (
id INTEGER PRIMARY KEY,
name text
);
name text
);
+CREATE TABLE files (
+ id INTEGER PRIMARY KEY,
+ name text,
+ artists_id,
+ albums_id,
+ paths_id,
+ FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
+ FOREIGN KEY(albums_id) REFERENCES albums(id) ON DELETE CASCADE ON UPDATE CASCADE,
+ FOREIGN KEY(paths_id) REFERENCES paths(id) ON DELETE CASCADE ON UPDATE CASCADE
+);
+
CREATE TABLE tags (
id INTEGER PRIMARY KEY,
name text
CREATE TABLE files_x_tags (
files_id INTEGER,
- tags_id INTEGER
+ tags_id INTEGER,
+ FOREIGN KEY(files_id) REFERENCES files(id) ON DELETE CASCADE ON UPDATE CASCADE,
+ FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE tags_x_tagvals (
tags_id INTEGER,
- tagvals_id INTEGER
+ tagvals_id INTEGER,
+ FOREIGN KEY(tags_id) REFERENCES tags(id) ON DELETE CASCADE ON UPDATE CASCADE,
+ FOREIGN KEY(tagvals_id) REFERENCES tagvals(id) ON DELETE CASCADE ON UPDATE CASCADE
);
-CREATE TABLE files_x_artists (
- files_id INTEGER,
- artists_id INTEGER
-);
-
-CREATE TABLE artists_x_albums (
- artists_id INTEGER,
- albums_id INTEGER
-);
projects / id3fs.git / blobdiff