namespace Friendica\Core\Cache;
-use dba;
use Friendica\Core\Cache;
-use Friendica\Database\DBM;
+use Friendica\Database\DBA;
use Friendica\Util\DateTimeFormat;
/**
* Database Cache Driver
*
- * @author Hypolite Petovan <mrpetovan@gmail.com>
+ * @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class DatabaseCacheDriver extends AbstractCacheDriver implements ICacheDriver
{
+ /**
+ * (@inheritdoc)
+ */
+ public function getAllKeys()
+ {
+ $stmt = DBA::select('cache', ['k'], ['`expires` >= ?', DateTimeFormat::utcNow()]);
+
+ return DBA::toArray($stmt);
+ }
+
+ /**
+ * (@inheritdoc)
+ */
public function get($key)
{
- $cache = dba::selectFirst('cache', ['v'], ['`k` = ? AND `expires` >= ?', $key, DateTimeFormat::utcNow()]);
+ $cache = DBA::selectFirst('cache', ['v'], ['`k` = ? AND `expires` >= ?', $key, DateTimeFormat::utcNow()]);
- if (DBM::is_result($cache)) {
+ if (DBA::isResult($cache)) {
$cached = $cache['v'];
$value = @unserialize($cached);
return null;
}
+ /**
+ * (@inheritdoc)
+ */
public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$fields = [
'v' => serialize($value),
- 'expires' => DateTimeFormat::utc('now + ' . $ttl . ' seconds'),
+ 'expires' => DateTimeFormat::utc('now + ' . $ttl . 'seconds'),
'updated' => DateTimeFormat::utcNow()
];
- return dba::update('cache', $fields, ['k' => $key], true);
+ return DBA::update('cache', $fields, ['k' => $key], true);
}
+ /**
+ * (@inheritdoc)
+ */
public function delete($key)
{
- return dba::delete('cache', ['k' => $key]);
+ return DBA::delete('cache', ['k' => $key]);
}
- public function clear()
+ /**
+ * (@inheritdoc)
+ */
+ public function clear($outdated = true)
{
- return dba::delete('cache', ['`expires` < NOW()']);
+ if ($outdated) {
+ return DBA::delete('cache', ['`expires` < NOW()']);
+ } else {
+ return DBA::delete('cache', ['`k` IS NOT NULL ']);
+ }
}
}