*/ class JITConfigAdapter extends BaseObject implements IConfigAdapter { private $cache; private $in_db; public function load($cat = "config") { // We don't preload "system" anymore. // This reduces the number of database reads a lot. if ($cat === 'system') { return; } $configs = DBA::select('config', ['v', 'k'], ['cat' => $cat]); while ($config = DBA::fetch($configs)) { $k = $config['k']; self::getApp()->setConfigValue($cat, $k, $config['v']); if ($cat !== 'config') { $this->cache[$cat][$k] = $config['v']; $this->in_db[$cat][$k] = true; } } DBA::close($configs); } public function get($cat, $k, $default_value = null, $refresh = false) { $a = self::getApp(); if (!$refresh) { // Do we have the cached value? Then return it if (isset($this->cache[$cat][$k])) { if ($this->cache[$cat][$k] === '!!') { return $default_value; } else { return $this->cache[$cat][$k]; } } } $config = DBA::selectFirst('config', ['v'], ['cat' => $cat, 'k' => $k]); if (DBA::isResult($config)) { // manage array value $value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']); // Assign the value from the database to the cache $this->cache[$cat][$k] = $value; $this->in_db[$cat][$k] = true; return $value; } elseif (isset($a->config[$cat][$k])) { // Assign the value (mostly) from config/local.config.php file to the cache $this->cache[$cat][$k] = $a->config[$cat][$k]; $this->in_db[$cat][$k] = false; return $a->config[$cat][$k]; } elseif (isset($a->config[$k])) { // Assign the value (mostly) from config/local.config.php file to the cache $this->cache[$k] = $a->config[$k]; $this->in_db[$k] = false; return $a->config[$k]; } $this->cache[$cat][$k] = '!!'; $this->in_db[$cat][$k] = false; return $default_value; } public function set($cat, $k, $value) { $a = self::getApp(); // We store our setting values in a string variable. // So we have to do the conversion here so that the compare below works. // The exception are array values. $dbvalue = (!is_array($value) ? (string)$value : $value); $stored = $this->get($cat, $k, null, true); if (!isset($this->in_db[$cat])) { $this->in_db[$cat] = []; } if (!isset($this->in_db[$cat][$k])) { $this->in_db[$cat] = false; } if (($stored === $dbvalue) && $this->in_db[$cat][$k]) { return true; } self::getApp()->setConfigValue($cat, $k, $value); // Assign the just added value to the cache $this->cache[$cat][$k] = $dbvalue; // manage array value $dbvalue = (is_array($value) ? serialize($value) : $dbvalue); $result = DBA::update('config', ['v' => $dbvalue], ['cat' => $cat, 'k' => $k], true); if ($result) { $this->in_db[$cat][$k] = true; } return $result; } public function delete($cat, $k) { if (isset($this->cache[$cat][$k])) { unset($this->cache[$cat][$k]); unset($this->in_db[$cat][$k]); } $result = DBA::delete('config', ['cat' => $cat, 'k' => $k]); return $result; } }