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Add refresh feature to Preload (P)Config adapters

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- Add private methods to manipulat the App config variable
This commit is contained in:
Hypolite Petovan 2018-03-04 22:44:33 -05:00
parent 4b9c52aad0
commit dcd1f18611
2 changed files with 150 additions and 59 deletions
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111
src/Core/Config/PreloadConfigAdapter.php
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@ -4,7 +4,9 @@ namespace Friendica\Core\Config;
use dba;
use Exception;
use Friendica\App;
use Friendica\BaseObject;
use Friendica\Database\DBM;
require_once 'include/dba.php';
@ -30,19 +32,9 @@ class PreloadConfigAdapter extends BaseObject implements IConfigAdapter
return;
}
$a = self::getApp();
$configs = dba::select('config', ['cat', 'v', 'k']);
while ($config = dba::fetch($configs)) {
$cat = $config['cat'];
$k = $config['k'];
$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']);
if ($cat === 'config') {
$a->config[$k] = $value;
} else {
$a->config[$cat][$k] = $value;
}
$this->setPreloadedValue($config['cat'], $config['k'], $config['v']);
}
dba::close($configs);
@ -51,41 +43,32 @@ class PreloadConfigAdapter extends BaseObject implements IConfigAdapter
public function get($cat, $k, $default_value = null, $refresh = false)
{
$a = self::getApp();
$return = $default_value;
if ($cat === 'config') {
if (isset($a->config[$k])) {
$return = $a->config[$k];
}
} else {
if (isset($a->config[$cat][$k])) {
$return = $a->config[$cat][$k];
if ($refresh) {
$config = dba::selectFirst('config', ['v'], ['cat' => $cat, 'k' => $k]);
if (DBM::is_result($config)) {
$this->setPreloadedValue($cat, $k, $config['v']);
} else {
$this->deletePreloadedValue($cat, $k);
}
}
$return = $this->getPreloadedValue($cat, $k, $default_value);
return $return;
}
public function set($cat, $k, $value)
{
$a = self::getApp();
// We store our setting values as strings.
// So we have to do the conversion here so that the compare below works.
// The exception are array values.
$compare_value = !is_array($value) ? (string)$value : $value;
if ($this->get($cat, $k) === $compare_value) {
if ($this->getPreloadedValue($cat, $k) === $compare_value) {
return true;
}
if ($cat === 'config') {
$a->config[$k] = $value;
} else {
$a->config[$cat][$k] = $value;
}
$this->setPreloadedValue($cat, $k, $value);
// manage array value
$dbvalue = is_array($value) ? serialize($value) : $value;
@ -99,6 +82,70 @@ class PreloadConfigAdapter extends BaseObject implements IConfigAdapter
}
public function delete($cat, $k)
{
$this->deletePreloadedValue($cat, $k);
$result = dba::delete('config', ['cat' => $cat, 'k' => $k]);
return $result;
}
/**
* Retrieves a preloaded value from the App config cache
*
* @param string $cat
* @param string $k
* @param mixed $default
*/
private function getPreloadedValue($cat, $k, $default = null)
{
$a = self::getApp();
$return = $default;
if ($cat === 'config') {
if (isset($a->config[$k])) {
$return = $a->config[$k];
}
} else {
if (isset($a->config[$cat][$k])) {
$return = $a->config[$cat][$k];
}
}
return $return;
}
/**
* Sets a preloaded value in the App config cache
*
* Accepts raw output from the config table
*
* @param string $cat
* @param string $k
* @param mixed $v
*/
private function setPreloadedValue($cat, $k, $v)
{
$a = self::getApp();
// Only arrays are serialized in database, so we have to unserialize sparingly
$value = is_string($v) && preg_match("|^a:[0-9]+:{.*}$|s", $v) ? unserialize($v) : $v;
if ($cat === 'config') {
$a->config[$k] = $value;
} else {
$a->config[$cat][$k] = $value;
}
}
/**
* Deletes a preloaded value from the App config cache
*
* @param string $cat
* @param string $k
*/
private function deletePreloadedValue($cat, $k)
{
$a = self::getApp();
@ -111,9 +158,5 @@ class PreloadConfigAdapter extends BaseObject implements IConfigAdapter
unset($a->config[$cat][$k]);
}
}
$result = dba::delete('config', ['cat' => $cat, 'k' => $k]);
return $result;
}
}