14 my $class=ref($proto) || $proto;
18 my($dir, $init, $me)=@_;
19 $self->{dbpath}="$dir/$dbfile";
22 my $exists=-f $self->{dbpath};
26 unless($self->{postgres})
28 die("$me: $self->{dbpath}: not found. use --init to create.\n") if(!$exists && !$init);
29 die("$me: --init used but $self->{dbpath} exists.\n") if($exists && $init);
32 my $connectstr="dbi:SQLite:dbname=$self->{dbpath}";
33 my ($user, $pass)=("", "");
36 $connectstr="dbi:Pg:dbname=id3fs";
40 $self->{dbh}=DBI->connect($connectstr, $user, $pass,
42 unless(defined($self->{dbh}))
44 die("$me: DB Error: " . $DBI::errstr . "\n");
62 my @schema=split(/\n\n/,join("", <DATA>));
66 $self->{dbh}->do($cmd);
70 $self->cmd("CREATE SEQUENCE seq");
72 $self->cmd("INSERT INTO id3fs (schema_version) VALUES (?)", $SCHEMA_VERSION);
78 my ($version)=$self->cmd_onerow("SELECT schema_version from id3fs");
79 if(!defined($version) || $version != $SCHEMA_VERSION)
81 die("$self->{me}: id3fs database version " .
82 defined($version) ? $version : '""' .
83 "not known, current version is $SCHEMA_VERSION.\n");
89 my($self, $sql, @params)=@_;
90 my $sth=$self->{dbh}->prepare($sql);
92 for my $param (@params)
94 $param="" unless(defined($param));
95 $sth->bind_param($idx++, $param);
103 my($self, @constraints)=@_;
104 if(!@constraints) # /
106 my $sql="SELECT DISTINCT name FROM tags;";
107 my $tags=$self->cmd_rows($sql);
108 return(map { $_->[0]; } @$tags);
112 my $main_sql_start=("SELECT DISTINCT tags.name FROM files\n" .
113 "INNER JOIN files_x_tags ON files.id=files_x_tags.files_id\n" .
114 "INNER JOIN tags ON tags.id=files_x_tags.tags_id\n" .
115 "WHERE files.id in (" .
116 ("\tSELECT DISTINCT files.id FROM files\n" .
117 "\tINNER JOIN files_x_tags ON files.id=files_x_tags.files_id\n" .
118 "\tINNER JOIN tags ON tags.id=files_x_tags.tags_id\n" .
119 "\tWHERE tags.id in ("));
120 my $main_sql_mid=")\n) AND tags.id NOT IN (";
121 my $main_sql_end=")\n";
122 while(my $constraint=shift @constraints)
124 print "CONSTRAINT: $constraint->{name}\n";
125 my $cid=$constraint->{id};
126 push(@tag_ids, $cid);
128 my $sql = ($main_sql_start . join(", ", @tag_ids) .
129 $main_sql_mid . join(", ", @tag_ids) .
132 my $result=$self->cmd_rows($sql);
133 my @tagnames=map { $_->[0]; } @$result;
134 print "SUBNAMES: ", join(', ', @tagnames), "\n";
141 my $sql=("SELECT DISTINCT tagvals.name FROM tags\n" .
142 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
143 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
144 "WHERE tags.name=?");
145 my $tags=$self->cmd_rows($sql, $tag);
146 return(map { $_->[0]; } @$tags);
152 my $sql='SELECT id FROM tags WHERE name=?';
153 my ($id)=$self->cmd_onerow($sql, $tag);
160 my $file=ID3FS::File->new($path);
161 return unless(defined($file));
162 my $artist=$file->artist();
163 my $album=$file->album();
164 my $v1genre=$file->v1genre();
165 my $year=$file->year();
166 my $audiotype=$file->album();
167 my $tags=$file->tags();
168 my $haspic=$file->haspic();
170 my $file_id=$self->add_to_table("files", $path);
171 my $artists_id=$self->add_to_table("artists", $artist);
172 my $albums_id=$self->add_to_table("albums", $album);
173 for my $tag (keys %$tags)
175 $self->add_tag($file_id, $tag, $tags->{$tag});
180 $self->add_tag($file_id, "year", $year);
181 if($year=~/^(\d\d\d)\d$/)
183 $self->add_tag($file_id, "decade", "${1}0s");
186 if($self->ok($v1genre))
188 $self->add_tag($file_id, "v1genre", $v1genre);
193 $self->add_tag($file_id, "haspic", undef);
196 $self->add_relation("files_x_artists",
197 { "files_id" => $file_id,
198 "artists_id" => $artists_id });
200 $self->add_relation("artists_x_albums",
201 { "artists_id" => $artists_id,
202 "albums_id" => $albums_id});
207 my($self, $file_id, $tag, $val)=@_;
208 my $tag_id=$self->add_to_table("tags", $tag);
209 $self->add_relation("files_x_tags",
210 { "files_id" => $file_id,
211 "tags_id" => $tag_id });
214 my $val_id=$self->add_to_table("tagvals", $val);
215 $self->add_relation("tags_x_tagvals",
216 { "tags_id" => $tag_id,
217 "tagvals_id" => $val_id });
223 my($self, $table, $name, $extradata)=@_;
224 my $id=$self->lookup_id($table, $name);
227 my $sql="INSERT INTO $table (";
228 $sql .= "id, " if($self->{postgres});
230 if(defined($extradata))
232 push(@fields, sort keys(%$extradata));
234 $sql .= join(", ", @fields);
236 $sql .=") nextval('seq'), " if($self->{postgres});
237 $sql .= join(", ", map { "?"; } @fields);
239 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
246 my ($self, $relname, $fields)=@_;
247 return if($self->relation_exists($relname, $fields));
248 my $sql="INSERT INTO $relname (";
249 $sql .= join(", ", sort keys(%$fields));
250 $sql .= ") VALUES (";
251 $sql .= join(", ", map { "?"; } sort keys(%$fields));
253 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
258 my($self, $table, $name)=@_;
259 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
265 my ($self, $relname, $fields)=@_;
266 my $sql="SELECT count(1) FROM $relname WHERE ";
269 for my $field (keys %$fields)
272 push(@vals,$fields->{$field});
274 $sql .= join(' AND ', map { "$_=?"; } @exprs);
275 my ($ret)=$self->cmd_onerow($sql, @vals);
281 my($self, $thing)=@_;
282 return(defined($thing) && length($thing));
287 my ($self, @args)=@_;
288 # don't care about retcode
289 $self->cmd_sth(@args);
294 my ($self, @args)=@_;
295 my $sth=$self->cmd_sth(@args);
296 return($sth->fetchrow_array());
301 my ($self, @args)=@_;
302 my $sth=$self->cmd_sth(@args);
303 return $sth->fetchall_arrayref();
308 my ($self, @args)=@_;
309 $self->cmd_sth(@args);
310 return($self->last_insert_id());
316 if($self->{postgres})
318 return $self->{dbh}->last_insert_id(undef, undef, undef, undef,
319 { sequence => "seq" });
323 return $self->{dbh}->last_insert_id("","","","");
330 schema_version INTEGER
334 id INTEGER PRIMARY KEY,
338 CREATE TABLE artists (
339 id INTEGER PRIMARY KEY,
343 CREATE TABLE albums (
344 id INTEGER PRIMARY KEY,
349 id INTEGER PRIMARY KEY,
353 CREATE TABLE tagvals (
354 id INTEGER PRIMARY KEY,
358 CREATE TABLE files_x_tags (
363 CREATE TABLE tags_x_tagvals (
368 CREATE TABLE files_x_artists (
373 CREATE TABLE artists_x_albums (