15 my $class=ref($proto) || $proto;
19 my($dir, $init, $me)=@_;
20 $self->{dbpath}="$dir/$dbfile";
23 my $exists=-f $self->{dbpath};
24 die("$me: $self->{dbpath}: not found. use --init to create.\n") if(!$exists && !$init);
25 die("$me: --init used but $self->{dbpath} exists.\n") if($exists && $init);
27 $self->{dbh}=DBI->connect("dbi:SQLite:dbname=$self->{dbpath}","","",
29 unless(defined($self->{dbh}))
31 die("$me: DB Error: " . $DBI::errstr . "\n");
49 my @schema=split(/\n\n/,join("", <DATA>));
53 $self->{dbh}->do($cmd);
55 $self->cmd("INSERT INTO id3fs (schema_version) VALUES (?)", $SCHEMA_VERSION);
61 my ($version)=$self->cmd_onerow("SELECT schema_version from id3fs");
62 if(!defined($version) || $version != $SCHEMA_VERSION)
64 die("$self->{me}: id3fs database version " .
65 defined($version) ? $version : '""' .
66 "not known, current version is $SCHEMA_VERSION.\n");
72 my($self, $sql, @params)=@_;
73 my $sth=$self->{dbh}->prepare($sql);
75 for my $param (@params)
77 $param="" unless(defined($param));
78 $sth->bind_param($idx++, $param);
86 my($self, @constraints)=@_;
89 my $sql="SELECT DISTINCT name FROM tags;";
90 my $tags=$self->cmd_rows($sql);
91 return(map { $_->[0]; } @$tags);
95 my $main_sql_start=("SELECT DISTINCT tags.name FROM files\n" .
96 "INNER JOIN files_x_tags ON files.id=files_x_tags.files_id\n" .
97 "INNER JOIN tags ON tags.id=files_x_tags.tags_id\n" .
98 "WHERE files.id in (" .
99 ("\tSELECT DISTINCT files.id FROM files\n" .
100 "\tINNER JOIN files_x_tags ON files.id=files_x_tags.files_id\n" .
101 "\tINNER JOIN tags ON tags.id=files_x_tags.tags_id\n" .
102 "\tWHERE tags.id in ("));
103 my $main_sql_mid=")\n) AND tags.id NOT IN (";
104 my $main_sql_end=")\n";
105 while(my $constraint=shift @constraints)
107 print "CONSTRAINT: $constraint->{name}\n";
108 my $cid=$constraint->{id};
109 push(@tag_ids, $cid);
111 my $sql = ($main_sql_start . join(", ", @tag_ids) .
112 $main_sql_mid . join(", ", @tag_ids) .
115 my $result=$self->cmd_rows($sql);
116 my @tagnames=map { $_->[0]; } @$result;
117 print "SUBNAMES: ", join(', ', @tagnames), "\n";
124 my $sql=("SELECT DISTINCT tagvals.name FROM tags\n" .
125 "INNER JOIN tags_x_tagvals ON tags.id=tags_x_tagvals.tags_id\n" .
126 "INNER JOIN tagvals ON tagvals.id=tags_x_tagvals.tagvals_id\n" .
127 "WHERE tags.name=?");
128 my $tags=$self->cmd_rows($sql, $tag);
129 return(map { $_->[0]; } @$tags);
135 my $sql='SELECT id FROM tags WHERE name=?';
136 my ($id)=$self->cmd_onerow($sql, $tag);
143 my $file=ID3FS::File->new($path);
144 return unless(defined($file));
145 my $artist=$file->artist();
146 my $album=$file->album();
147 my $v1genre=$file->v1genre();
148 my $year=$file->year();
149 my $audiotype=$file->album();
150 my $tags=$file->tags();
151 my $haspic=$file->haspic();
153 my $file_id=$self->add_to_table("files", $path);
154 my $artists_id=$self->add_to_table("artists", $artist);
155 my $albums_id=$self->add_to_table("albums", $album);
156 for my $tag (keys %$tags)
158 $self->add_tag($file_id, $tag, $tags->{$tag});
163 $self->add_tag($file_id, "year", $year);
164 if($year=~/^(\d\d\d)\d$/)
166 $self->add_tag($file_id, "decade", "${1}0s");
169 if($self->ok($v1genre))
171 $self->add_tag($file_id, "v1genre", $v1genre);
176 $self->add_tag($file_id, "haspic", undef);
179 $self->add_relation("files_x_artists",
180 { "files_id" => $file_id,
181 "artists_id" => $artists_id });
183 $self->add_relation("artists_x_albums",
184 { "artists_id" => $artists_id,
185 "albums_id" => $albums_id});
190 my($self, $file_id, $tag, $val)=@_;
191 my $tag_id=$self->add_to_table("tags", $tag);
192 $self->add_relation("files_x_tags",
193 { "files_id" => $file_id,
194 "tags_id" => $tag_id });
197 my $val_id=$self->add_to_table("tagvals", $val);
198 $self->add_relation("tags_x_tagvals",
199 { "tags_id" => $tag_id,
200 "tagvals_id" => $val_id });
206 my($self, $table, $name, $extradata)=@_;
207 my $id=$self->lookup_id($table, $name);
210 my $sql="INSERT INTO $table (";
212 if(defined($extradata))
214 push(@fields, sort keys(%$extradata));
216 $sql .= join(", ", @fields);
218 $sql .= join(", ", map { "?"; } @fields);
220 $id=$self->cmd_id($sql, $name, map { $extradata->{$_} || ""; } sort keys %$extradata);
227 my ($self, $relname, $fields)=@_;
228 return if($self->relation_exists($relname, $fields));
229 my $sql="INSERT INTO $relname (";
230 $sql .= join(", ", sort keys(%$fields));
231 $sql .= ") VALUES (";
232 $sql .= join(", ", map { "?"; } sort keys(%$fields));
234 $self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
239 my($self, $table, $name)=@_;
240 my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
246 my ($self, $relname, $fields)=@_;
247 my $sql="SELECT count(1) FROM $relname WHERE ";
250 for my $field (keys %$fields)
253 push(@vals,$fields->{$field});
255 $sql .= join(' AND ', map { "$_=?"; } @exprs);
256 my ($ret)=$self->cmd_onerow($sql, @vals);
262 my($self, $thing)=@_;
263 return(defined($thing) && length($thing));
268 my ($self, @args)=@_;
269 # don't care about retcode
270 $self->cmd_sth(@args);
275 my ($self, @args)=@_;
276 my $sth=$self->cmd_sth(@args);
277 return($sth->fetchrow_array());
282 my ($self, @args)=@_;
283 my $sth=$self->cmd_sth(@args);
284 return $sth->fetchall_arrayref();
289 my ($self, @args)=@_;
290 $self->cmd_sth(@args);
291 return($self->last_insert_id());
297 return $self->{dbh}->last_insert_id("","","","");
307 id INTEGER PRIMARY KEY,
311 CREATE TABLE artists (
312 id INTEGER PRIMARY KEY,
316 CREATE TABLE albums (
317 id INTEGER PRIMARY KEY,
322 id INTEGER PRIMARY KEY,
326 CREATE TABLE tagvals (
327 id INTEGER PRIMARY KEY,
331 CREATE TABLE files_x_tags (
336 CREATE TABLE tags_x_tagvals (
341 CREATE TABLE files_x_artists (
346 CREATE TABLE artists_x_albums (