friendica/src/Core/Config/JITPConfigAdapter.php

116 lines
2.8 KiB
PHP

<?php
namespace Friendica\Core\Config;
use Friendica\BaseObject;
use Friendica\Database\DBA;
/**
* JustInTime User Configuration Adapter
*
* Default PConfig Adapter. Provides the best performance for pages loading few configuration variables.
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class JITPConfigAdapter extends BaseObject implements IPConfigAdapter
{
private $in_db;
public function load($uid, $cat)
{
$a = self::getApp();
$pconfigs = DBA::select('pconfig', ['v', 'k'], ['cat' => $cat, 'uid' => $uid]);
if (DBA::isResult($pconfigs)) {
while ($pconfig = DBA::fetch($pconfigs)) {
$k = $pconfig['k'];
self::getApp()->setPConfigValue($uid, $cat, $k, $pconfig['v']);
$this->in_db[$uid][$cat][$k] = true;
}
} else if ($cat != 'config') {
// Negative caching
$a->config[$uid][$cat] = "!<unset>!";
}
DBA::close($pconfigs);
}
public function get($uid, $cat, $k, $default_value = null, $refresh = false)
{
$a = self::getApp();
if (!$refresh) {
// Looking if the whole family isn't set
if (isset($a->config[$uid][$cat])) {
if ($a->config[$uid][$cat] === '!<unset>!') {
return $default_value;
}
}
if (isset($a->config[$uid][$cat][$k])) {
if ($a->config[$uid][$cat][$k] === '!<unset>!') {
return $default_value;
}
return $a->config[$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']) : $pconfig['v']);
self::getApp()->setPConfigValue($uid, $cat, $k, $val);
$this->in_db[$uid][$cat][$k] = true;
return $val;
} else {
self::getApp()->setPConfigValue($uid, $cat, $k, '!<unset>!');
$this->in_db[$uid][$cat][$k] = false;
return $default_value;
}
}
public function set($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;
}
self::getApp()->setPConfigValue($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 $result;
}
public function delete($uid, $cat, $k)
{
self::getApp()->deletePConfigValue($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;
}
}