118 lines
2.8 KiB
PHP
118 lines
2.8 KiB
PHP
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<?php
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namespace Friendica\Core\Config;
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use dba;
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use Friendica\BaseObject;
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use Friendica\Database\DBM;
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require_once 'include/dba.php';
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/**
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* JustInTime PConfigAdapter
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*
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* Default PConfig Adapter. Provides the best performance for pages loading few configuration variables.
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*
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* @author Hypolite Petovan <mrpetovan@gmail.com>
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*/
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class JITPConfigAdapter extends BaseObject implements IPConfigAdapter
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{
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private $in_db;
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public function load($uid, $cat)
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{
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$a = self::getApp();
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$pconfigs = dba::select('pconfig', ['v', 'k'], ['cat' => $cat, 'uid' => $uid]);
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if (DBM::is_result($pconfigs)) {
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while ($pconfig = dba::fetch($pconfigs)) {
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$k = $pconfig['k'];
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$a->config[$uid][$cat][$k] = $pconfig['v'];
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$this->in_db[$uid][$cat][$k] = true;
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}
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} else if ($cat != 'config') {
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// Negative caching
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$a->config[$uid][$cat] = "!<unset>!";
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}
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dba::close($pconfigs);
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}
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public function get($uid, $cat, $k, $default_value = null, $refresh = false)
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{
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$a = self::getApp();
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if (!$refresh) {
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// Looking if the whole family isn't set
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if (isset($a->config[$uid][$cat])) {
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if ($a->config[$uid][$cat] === '!<unset>!') {
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return $default_value;
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}
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}
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if (isset($a->config[$uid][$cat][$k])) {
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if ($a->config[$uid][$cat][$k] === '!<unset>!') {
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return $default_value;
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}
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return $a->config[$uid][$cat][$k];
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}
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}
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$pconfig = dba::selectFirst('pconfig', ['v'], ['uid' => $uid, 'cat' => $cat, 'k' => $k]);
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if (DBM::is_result($pconfig)) {
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$val = (preg_match("|^a:[0-9]+:{.*}$|s", $pconfig['v']) ? unserialize($pconfig['v']) : $pconfig['v']);
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$a->config[$uid][$cat][$k] = $val;
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$this->in_db[$uid][$cat][$k] = true;
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return $val;
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} else {
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$a->config[$uid][$cat][$k] = '!<unset>!';
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$this->in_db[$uid][$cat][$k] = false;
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return $default_value;
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}
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}
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public function set($uid, $cat, $k, $value)
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{
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$a = self::getApp();
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// We store our setting values in a string variable.
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// So we have to do the conversion here so that the compare below works.
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// The exception are array values.
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$dbvalue = (!is_array($value) ? (string)$value : $value);
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$stored = $this->get($uid, $cat, $k, null, true);
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if (($stored === $dbvalue) && $this->in_db[$uid][$cat][$k]) {
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return true;
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}
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$a->config[$uid][$cat][$k] = $dbvalue;
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// manage array value
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$dbvalue = (is_array($value) ? serialize($value) : $dbvalue);
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$result = dba::update('pconfig', ['v' => $dbvalue], ['uid' => $uid, 'cat' => $cat, 'k' => $k], true);
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if ($result) {
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$this->in_db[$uid][$cat][$k] = true;
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return $value;
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}
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return $result;
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}
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public function delete($uid, $cat, $k)
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{
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$a = self::getApp();
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if (!empty($a->config[$uid][$cat][$k])) {
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unset($a->config[$uid][$cat][$k]);
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unset($this->in_db[$uid][$cat][$k]);
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}
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$result = dba::delete('pconfig', ['uid' => $uid, 'cat' => $cat, 'k' => $k]);
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return $result;
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}
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}
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