| <Website> | getID3 |  |
|
| Size: | 3954 |
| Storage flags: | strip |
<?php
class getID3_cached_sqlite3 extends getID3 {
public function __construct($table='getid3_cache', $hide=false) {
$this->table = $table;
$file = dirname(__FILE__).'/'.basename(__FILE__, 'php').'sqlite';
if ($hide) {
$file = dirname(__FILE__).'/.ht.'.basename(__FILE__, 'php').'sqlite';
}
$this->db = new SQLite3($file);
$db = $this->db;
$this->create_table();
$version = '';
$sql = $this->version_check;
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', getID3::VERSION, SQLITE3_TEXT);
$result = $stmt->execute();
list($version) = $result->fetchArray();
if ($version != getID3::VERSION) {
$this->clear_cache();
}
return parent::__construct();
}
public function __destruct() {
$db=$this->db;
$db->close();
}
private $db;
private $table;
private function clear_cache() {
$db = $this->db;
$sql = $this->delete_cache;
$db->exec($sql);
$sql = $this->set_version;
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', getID3::VERSION, SQLITE3_TEXT);
$stmt->bindValue(':dirname', getID3::VERSION, SQLITE3_TEXT);
$stmt->bindValue(':val', getID3::VERSION, SQLITE3_TEXT);
return $stmt->execute();
}
public function analyze($filename) {
if (!file_exists($filename)) {
return false;
}
$filetime = filemtime($filename);
$filesize = filesize($filename);
$dirname = dirname($filename);
$db = $this->db;
$sql = $this->get_id3_data;
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', $filename, SQLITE3_TEXT);
$stmt->bindValue(':filesize', $filesize, SQLITE3_INTEGER);
$stmt->bindValue(':filetime', $filetime, SQLITE3_INTEGER);
$res = $stmt->execute();
list($result) = $res->fetchArray();
if (count($result) > 0 ) {
return unserialize(base64_decode($result));
}
$analysis = parent::analyze($filename);
$sql = $this->cache_file;
$stmt = $db->prepare($sql);
$stmt->bindValue(':filename', $filename, SQLITE3_TEXT);
$stmt->bindValue(':dirname', $dirname, SQLITE3_TEXT);
$stmt->bindValue(':filesize', $filesize, SQLITE3_INTEGER);
$stmt->bindValue(':filetime', $filetime, SQLITE3_INTEGER);
$stmt->bindValue(':atime', time(), SQLITE3_INTEGER);
$stmt->bindValue(':val', base64_encode(serialize($analysis)), SQLITE3_TEXT);
$res = $stmt->execute();
return $analysis;
}
private function create_table() {
$db = $this->db;
$sql = $this->make_table;
return $db->exec($sql);
}
public function get_cached_dir($dir) {
$db = $this->db;
$rows = array();
$sql = $this->get_cached_dir;
$stmt = $db->prepare($sql);
$stmt->bindValue(':dirname', $dir, SQLITE3_TEXT);
$res = $stmt->execute();
while ($row=$res->fetchArray()) {
$rows[] = unserialize(base64_decode($row));
}
return $rows;
}
public function __get($name) {
switch($name) {
case 'version_check':
return "SELECT val FROM $this->table WHERE filename = :filename AND filesize = '-1' AND filetime = '-1' AND analyzetime = '-1'";
break;
case 'delete_cache':
return "DELETE FROM $this->table";
break;
case 'set_version':
return "INSERT INTO $this->table (filename, dirname, filesize, filetime, analyzetime, val) VALUES (:filename, :dirname, -1, -1, -1, :val)";
break;
case 'get_id3_data':
return "SELECT val FROM $this->table WHERE filename = :filename AND filesize = :filesize AND filetime = :filetime";
break;
case 'cache_file':
return "INSERT INTO $this->table (filename, dirname, filesize, filetime, analyzetime, val) VALUES (:filename, :dirname, :filesize, :filetime, :atime, :val)";
break;
case 'make_table':
return "CREATE TABLE IF NOT EXISTS $this->table (filename VARCHAR(255) NOT NULL DEFAULT '', dirname VARCHAR(255) NOT NULL DEFAULT '', filesize INT(11) NOT NULL DEFAULT '0', filetime INT(11) NOT NULL DEFAULT '0', analyzetime INT(11) NOT NULL DEFAULT '0', val text not null, PRIMARY KEY (filename, filesize, filetime))";
break;
case 'get_cached_dir':
return "SELECT val FROM $this->table WHERE dirname = :dirname";
break;
}
return null;
}
}