*/ class JITPConfigAdapter implements IPConfigAdapter { private $in_db; /** * The config cache of this adapter * @var IPConfigCache */ private $configCache; /** * @param IPConfigCache $configCache The config cache of this adapter */ public function __construct(IPConfigCache $configCache) { $this->configCache = $configCache; } /** * {@inheritdoc} */ public function load($uid, $cat) { $pconfigs = DBA::select('pconfig', ['v', 'k'], ['cat' => $cat, 'uid' => $uid]); if (DBA::isResult($pconfigs)) { while ($pconfig = DBA::fetch($pconfigs)) { $k = $pconfig['k']; $this->configCache->setP($uid, $cat, $k, $pconfig['v']); $this->in_db[$uid][$cat][$k] = true; } } else if ($cat != 'config') { // Negative caching $this->configCache->setP($uid, $cat, null, "!!"); } DBA::close($pconfigs); } /** * {@inheritdoc} */ public function get($uid, $cat, $k, $default_value = null, $refresh = false) { if (!$refresh) { // Looking if the whole family isn't set if ($this->configCache->getP($uid, $cat) !== null) { if ($this->configCache->getP($uid, $cat) === '!!') { return $default_value; } } if ($this->configCache->getP($uid, $cat, $k) !== null) { if ($this->configCache->getP($uid, $cat, $k) === '!!') { return $default_value; } return $this->configCache->getP($uid, $cat, $k); } } $pconfig = DBA::selectFirst('pconfig', ['v'], ['uid' => $uid, 'cat' => $cat, 'k' => $k]); if (DBA::isResult($pconfig)) { $val = (preg_match("|^a:[0-9]+:{.*}$|s", $pconfig['v']) ? unserialize($pconfig['v']) : $pconfig['v']); $this->configCache->setP($uid, $cat, $k, $val); $this->in_db[$uid][$cat][$k] = true; return $val; } else { $this->configCache->setP($uid, $cat, $k, '!!'); $this->in_db[$uid][$cat][$k] = false; return $default_value; } } /** * {@inheritdoc} */ public function set($uid, $cat, $k, $value) { // 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 = $this->get($uid, $cat, $k, null, true); if (($stored === $dbvalue) && $this->in_db[$uid][$cat][$k]) { return true; } $this->configCache->setP($uid, $cat, $k, $value); // manage array value $dbvalue = (is_array($value) ? serialize($value) : $dbvalue); $result = DBA::update('pconfig', ['v' => $dbvalue], ['uid' => $uid, 'cat' => $cat, 'k' => $k], true); if ($result) { $this->in_db[$uid][$cat][$k] = true; } return $result; } /** * {@inheritdoc} */ public function delete($uid, $cat, $k) { $this->configCache->deleteP($uid, $cat, $k); if (!empty($this->in_db[$uid][$cat][$k])) { unset($this->in_db[$uid][$cat][$k]); } $result = DBA::delete('pconfig', ['uid' => $uid, 'cat' => $cat, 'k' => $k]); return $result; } }