mirror of
https://github.com/friendica/friendica
synced 2025-02-01 15:39:47 +00:00
88 lines
2 KiB
PHP
88 lines
2 KiB
PHP
<?php
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namespace Friendica\Core\Config;
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use Exception;
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use Friendica\BaseObject;
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use Friendica\Database\DBA;
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require_once 'include/dba.php';
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/**
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* Preload Configuration Adapter
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*
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* Minimizes the number of database queries to retrieve configuration values at the cost of memory.
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*
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* @author Hypolite Petovan <mrpetovan@gmail.com>
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*/
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class PreloadConfigAdapter extends BaseObject implements IConfigAdapter
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{
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private $config_loaded = false;
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public function __construct()
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{
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$this->load();
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}
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public function load($family = 'config')
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{
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if ($this->config_loaded) {
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return;
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}
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$configs = DBA::select('config', ['cat', 'v', 'k']);
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while ($config = DBA::fetch($configs)) {
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self::getApp()->setConfigValue($config['cat'], $config['k'], $config['v']);
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}
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DBA::close($configs);
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$this->config_loaded = true;
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}
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public function get($cat, $k, $default_value = null, $refresh = false)
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{
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if ($refresh) {
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$config = DBA::selectFirst('config', ['v'], ['cat' => $cat, 'k' => $k]);
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if (DBA::isResult($config)) {
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self::getApp()->setConfigValue($cat, $k, $config['v']);
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}
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}
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$return = self::getApp()->getConfigValue($cat, $k, $default_value);
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return $return;
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}
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public function set($cat, $k, $value)
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{
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// We store our setting values as strings.
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// So we have to do the conversion here so that the compare below works.
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// The exception are array values.
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$compare_value = !is_array($value) ? (string)$value : $value;
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if (self::getApp()->getConfigValue($cat, $k) === $compare_value) {
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return true;
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}
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self::getApp()->setConfigValue($cat, $k, $value);
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// manage array value
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$dbvalue = is_array($value) ? serialize($value) : $value;
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$result = DBA::update('config', ['v' => $dbvalue], ['cat' => $cat, 'k' => $k], true);
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if (!$result) {
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throw new Exception('Unable to store config value in [' . $cat . '][' . $k . ']');
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}
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return true;
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}
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public function delete($cat, $k)
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{
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self::getApp()->deleteConfigValue($cat, $k);
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$result = DBA::delete('config', ['cat' => $cat, 'k' => $k]);
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return $result;
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}
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}
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