Browse Source
- New Configuration (Config is now only holding the instance) - New PConfiguration (PConfig is now only holding the instance) - Config & PConfig-Adapter don't need "ConfigCache" anymore - DB-Connection is now outside App->reload() for better dependency-chainingpull/6641/head
59 changed files with 1754 additions and 1038 deletions
@ -1,12 +1,19 @@
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<?php |
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namespace Friendica\Core\Config; |
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namespace Friendica\Core\Config\Adapter; |
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use Friendica\Database\DBA; |
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abstract class AbstractDbaConfigAdapter |
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{ |
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/** @var bool */ |
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protected $connected = true; |
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public function __construct() |
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{ |
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$this->connected = DBA::connected(); |
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} |
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public function isConnected() |
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{ |
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return $this->connected; |
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@ -0,0 +1,123 @@
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<?php |
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namespace Friendica\Core\Config\Adapter; |
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use Friendica\Database\DBA; |
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/** |
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* JustInTime Configuration Adapter |
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* |
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* Default Config Adapter. Provides the best performance for pages loading few configuration variables. |
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* |
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* @author Hypolite Petovan <hypolite@mrpetovan.com> |
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*/ |
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class JITConfigAdapter extends AbstractDbaConfigAdapter implements IConfigAdapter |
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{ |
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private $in_db; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load($cat = "config") |
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{ |
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$return = []; |
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if (!$this->isConnected()) { |
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return $return; |
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} |
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// We don't preload "system" anymore. |
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// This reduces the number of database reads a lot. |
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if ($cat === 'system') { |
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return $return; |
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} |
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$configs = DBA::select('config', ['v', 'k'], ['cat' => $cat]); |
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while ($config = DBA::fetch($configs)) { |
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$key = $config['k']; |
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$return[$key] = $config['v']; |
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$this->in_db[$cat][$key] = true; |
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} |
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DBA::close($configs); |
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return [$cat => $config]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return '!<unset>!'; |
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} |
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$config = DBA::selectFirst('config', ['v'], ['cat' => $cat, 'k' => $key]); |
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if (DBA::isResult($config)) { |
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// manage array value |
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$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']); |
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$this->in_db[$cat][$key] = true; |
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return $value; |
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} else { |
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$this->in_db[$cat][$key] = false; |
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return '!<unset>!'; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($cat, $key, $value) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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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 = $this->get($cat, $key); |
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if (!isset($this->in_db[$cat])) { |
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$this->in_db[$cat] = []; |
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} |
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if (!isset($this->in_db[$cat][$key])) { |
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$this->in_db[$cat][$key] = false; |
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} |
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if (($stored === $dbvalue) && $this->in_db[$cat][$key]) { |
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return true; |
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} |
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// manage array value |
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$dbvalue = (is_array($value) ? serialize($value) : $dbvalue); |
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$result = DBA::update('config', ['v' => $dbvalue], ['cat' => $cat, 'k' => $key], true); |
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$this->in_db[$cat][$key] = $result; |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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if (isset($this->cache[$cat][$key])) { |
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unset($this->in_db[$cat][$key]); |
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} |
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$result = DBA::delete('config', ['cat' => $cat, 'k' => $key]); |
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return $result; |
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} |
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} |
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@ -0,0 +1,126 @@
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<?php |
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namespace Friendica\Core\Config\Adapter; |
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use Friendica\Database\DBA; |
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/** |
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* JustInTime User Configuration Adapter |
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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 <hypolite@mrpetovan.com> |
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*/ |
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class JITPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfigAdapter |
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{ |
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private $in_db; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load($uid, $cat) |
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{ |
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$return = []; |
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if (!$this->isConnected()) { |
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return $return; |
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} |
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$pconfigs = DBA::select('pconfig', ['v', 'k'], ['cat' => $cat, 'uid' => $uid]); |
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if (DBA::isResult($pconfigs)) { |
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while ($pconfig = DBA::fetch($pconfigs)) { |
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$key = $pconfig['k']; |
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$return[$key] = $pconfig['v']; |
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$this->in_db[$uid][$cat][$key] = true; |
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} |
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} else if ($cat != 'config') { |
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// Negative caching |
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$return[null] = "!<unset>!"; |
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} |
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DBA::close($pconfigs); |
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return [$cat => $return]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($uid, $cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return null; |
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} |
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$pconfig = DBA::selectFirst('pconfig', ['v'], ['uid' => $uid, 'cat' => $cat, 'k' => $key]); |
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if (DBA::isResult($pconfig)) { |
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// manage array value |
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$value = (preg_match("|^a:[0-9]+:{.*}$|s", $pconfig['v']) ? unserialize($pconfig['v']) : $pconfig['v']); |
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$this->in_db[$uid][$cat][$key] = true; |
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return $value; |
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} else { |
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$this->in_db[$uid][$cat][$key] = false; |
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return '!<unset>!'; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($uid, $cat, $key, $value) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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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, $key); |
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if (!isset($this->in_db[$uid])) { |
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$this->in_db[$uid] = []; |
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} |
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if (!isset($this->in_db[$uid][$cat])) { |
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$this->in_db[$uid][$cat] = []; |
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} |
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if (!isset($this->in_db[$uid][$cat][$key])) { |
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$this->in_db[$uid][$cat][$key] = false; |
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} |
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if (($stored === $dbvalue) && $this->in_db[$uid][$cat][$key]) { |
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return true; |
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} |
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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' => $key], true); |
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$this->in_db[$uid][$cat][$key] = $result; |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($uid, $cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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if (!empty($this->in_db[$uid][$cat][$key])) { |
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unset($this->in_db[$uid][$cat][$key]); |
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} |
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$result = DBA::delete('pconfig', ['uid' => $uid, 'cat' => $cat, 'k' => $key]); |
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return $result; |
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} |
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} |
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@ -0,0 +1,104 @@
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<?php |
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namespace Friendica\Core\Config\Adapter; |
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use Friendica\Database\DBA; |
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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 <hypolite@mrpetovan.com> |
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*/ |
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class PreloadConfigAdapter extends AbstractDbaConfigAdapter implements IConfigAdapter |
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{ |
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private $config_loaded = false; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load($cat = 'config') |
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{ |
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$return = []; |
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if (!$this->isConnected()) { |
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return $return; |
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} |
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if ($this->config_loaded) { |
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return $return; |
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} |
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$configs = DBA::select('config', ['cat', 'v', 'k']); |
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while ($config = DBA::fetch($configs)) { |
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$return[$config['k']] = $config['v']; |
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} |
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DBA::close($configs); |
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$this->config_loaded = true; |
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return [$cat => $return]; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return null; |
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} |
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$config = DBA::selectFirst('config', ['v'], ['cat' => $cat, 'k' => $key]); |
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if (DBA::isResult($config)) { |
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// manage array value |
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$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']); |
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return $value; |
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} else { |
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return '!<unset>!'; |
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} |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($cat, $key, $value) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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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 : $value; |
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if ($this->get($cat, $key) === $compare_value) { |
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return true; |
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} |
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|
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// manage array value |
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$dbvalue = is_array($value) ? serialize($value) : $value; |
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$result = DBA::update('config', ['v' => $dbvalue], ['cat' => $cat, 'k' => $key], true); |
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return $result; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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|
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$result = DBA::delete('config', ['cat' => $cat, 'k' => $key]); |
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return $result; |
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} |
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} |
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@ -0,0 +1,126 @@
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<?php |
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namespace Friendica\Core\Config\Adapter; |
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use Friendica\Database\DBA; |
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|
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/** |
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* Preload User 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 <hypolite@mrpetovan.com> |
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*/ |
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class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfigAdapter |
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{ |
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private $config_loaded = false; |
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/** |
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* @param int $uid The UID of the current user |
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*/ |
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public function __construct($uid = null) |
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{ |
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parent::__construct(); |
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if (isset($uid)) { |
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$this->load($uid, 'config'); |
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} |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function load($uid, $cat) |
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{ |
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$return = []; |
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|
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if ($this->config_loaded) { |
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return $return; |
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} |
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if (empty($uid)) { |
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return $return; |
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} |
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$pconfigs = DBA::select('pconfig', ['cat', 'v', 'k'], ['uid' => $uid]); |
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while ($pconfig = DBA::fetch($pconfigs)) { |
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$return[$pconfig['k']] = $pconfig['v']; |
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} |
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DBA::close($pconfigs); |
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$this->config_loaded = true; |
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return [$cat => $return]; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($uid, $cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return null; |
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} |
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|
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if (!$this->config_loaded) { |
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$this->load($uid, $cat); |
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} |
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$config = DBA::selectFirst('pconfig', ['v'], ['uid' => $uid, 'cat' => $cat, 'k' => $key]); |
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if (DBA::isResult($config)) { |
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// manage array value |
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$value = (preg_match("|^a:[0-9]+:{.*}$|s", $config['v']) ? unserialize($config['v']) : $config['v']); |
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|
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return $value; |
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} else { |
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return '!<unset>!'; |
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} |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($uid, $cat, $key, $value) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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|
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if (!$this->config_loaded) { |
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$this->load($uid, $cat); |
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} |
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// We store our setting values as strings. |
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// So we have to do the conversion here so that the compare below works. |
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// The exception are array values. |
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$compare_value = !is_array($value) ? (string)$value : $value; |
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|
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if ($this->get($uid, $cat, $key) === $compare_value) { |
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return true; |
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} |
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|
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// manage array value |
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$dbvalue = is_array($value) ? serialize($value) : $value; |
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|
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$result = DBA::update('pconfig', ['v' => $dbvalue], ['uid' => $uid, 'cat' => $cat, 'k' => $key], true); |
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|
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return $result; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($uid, $cat, $key) |
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{ |
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if (!$this->isConnected()) { |
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return false; |
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} |
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|
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if (!$this->config_loaded) { |
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$this->load($uid, $cat); |
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} |
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|
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$result = DBA::delete('pconfig', ['uid' => $uid, 'cat' => $cat, 'k' => $key]); |
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return $result; |
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} |
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} |
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@ -0,0 +1,65 @@
|
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<?php |
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|
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namespace Friendica\Core\Config\Cache; |
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|
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/** |
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* The interface for a system-wide ConfigCache |
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*/ |
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interface IConfigCache |
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{ |
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/** |
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* Tries to load the specified configuration array into the config array. |
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* Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config. |
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* |
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* @param array $config |
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* @param bool $overwrite Force value overwrite if the config key already exists |
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*/ |
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function load(array $config, $overwrite = false); |
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|
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/** |
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* Gets a value from the config cache. |
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* |
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* @param string $cat Config category |
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* @param string $key Config key |
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* |
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* @return mixed Returns the value of the Config entry or '!<unset>!' if not set |
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*/ |
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function get($cat, $key = null); |
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|
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/** |
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* Sets a value in the config cache. Accepts raw output from the config table |
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* |
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* @param string $cat Config category |
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* @param string $key Config key |
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* @param mixed $value Value to set |
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* |
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* @return bool True, if the value is set |
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*/ |
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function set($cat, $key, $value); |
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|
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/** |
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* Deletes a value from the config cache. |
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* |
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* @param string $cat Config category |
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* @param string $key Config key |
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* |
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* @return bool true, if deleted |
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*/ |
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function delete($cat, $key); |
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|
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/** |
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* Checks if a value is set in the config cache. |
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* |
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* @param string $cat Config category |
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* @param string $key Config key |
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* @return bool |
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*/ |
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function has($cat, $key = null); |
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|
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/** |
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* Returns the whole configuration cache |
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* |
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* @return array |
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*/ |
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function getAll(); |
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} |
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@ -0,0 +1,70 @@
|
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<?php |
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|
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namespace Friendica\Core\Config\Cache; |
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|
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/** |
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* The interface for a user-specific config cache |
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*/ |
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interface IPConfigCache |
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{ |
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/** |
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* Tries to load the specified configuration array into the user specific config array. |
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* Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config. |
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* |
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* @param int $uid |
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* @param array $config |
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*/ |
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function loadP($uid, array $config); |
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|
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/** |
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* Retrieves a value from the user config cache |
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* |
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* @param int $uid User Id |
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* @param string $cat Config category |
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* @param string $key Config key |
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* |
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* @return string The value of the config entry or '!<unset>!' if not set |
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*/ |
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function getP($uid, $cat, $key = null); |
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|
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/** |
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* Sets a value in the user config cache |
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* |
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* Accepts raw output from the pconfig table |
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* |
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* @param int $uid User Id |
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* @param string $cat Config category |
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* @param string $key Config key |
||||
* @param mixed $value Value to set |
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*/ |
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function setP($uid, $cat, $key, $value); |
||||
|
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/** |
||||
* Deletes a value from the user config cache |
||||
* |
||||
* @param int $uid User Id |
||||
* @param string $cat Config category |
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* @param string $key Config key |
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* |
||||
* @return bool true, if deleted |
||||
*/ |
||||
function deleteP($uid, $cat, $key); |
||||
|
||||
|
||||
/** |
||||
* Checks if a value is set in the user config cache. |
||||
* |
||||
* @param int $uid User Id |
||||
* @param string $cat Config category |
||||
* @param string $key Config key |
||||
* @return bool |
||||
*/ |
||||
function hasP($uid, $cat, $key = null); |
||||
|
||||
/** |
||||
* Returns the whole configuration cache |
||||
* |
||||
* @return array |
||||
*/ |
||||
function getAll(); |
||||
} |
||||
@ -0,0 +1,154 @@
|
||||
<?php |
||||
|
||||
namespace Friendica\Core\Config; |
||||
|
||||
/** |
||||
* This class is responsible for all system-wide configuration values in Friendica |
||||
* There are two types of storage |
||||
* - The Config-Files (loaded into the FileCache @see Cache\IConfigCache ) |
||||
* - The Config-DB-Table (per Config-DB-adapter @see Adapter\IConfigAdapter ) |
||||
*/ |
||||
class Configuration |
||||
{ |
||||
/** |
||||
* @var Cache\IConfigCache |
||||
*/ |
||||
private $configCache; |
||||
|
||||
/** |
||||
* @var Adapter\IConfigAdapter |
||||
*/ |
||||
private $configAdapter; |
||||
|
||||
/** |
||||
* @param Cache\IConfigCache $configCache The configuration cache (based on the config-files) |
||||
* @param Adapter\IConfigAdapter $configAdapter The configuration DB-backend |
||||
*/ |
||||
public function __construct(Cache\IConfigCache $configCache, Adapter\IConfigAdapter $configAdapter) |
||||
{ |
||||
$this->configCache = $configCache; |
||||
$this->configAdapter = $configAdapter; |
||||
|
||||
$this->load(); |
||||
} |
||||
|
||||
/** |
||||
* Returns the Config Cache |
||||
* |
||||
* @return Cache\IConfigCache |
||||
*/ |
||||
public function getCache() |
||||
{ |
||||
return $this->configCache; |
||||
} |
||||
|
||||
/** |
||||
* @brief Loads all configuration values of family into a cached storage. |
||||
* |
||||
* All configuration values of the system are stored in the cache ( @see IConfigCache ) |
||||
* |
||||
* @param string $cat The category of the configuration value |
||||
* |
||||
* @return void |
||||
*/ |
||||
public function load($cat = 'config') |
||||
{ |
||||
// If not connected, do nothing |
||||
if (!$this->configAdapter->isConnected()) { |
||||
return; |
||||
} |
||||
|
||||
// load the whole category out of the DB into the cache |
||||
$this->configCache->load($this->configAdapter->load($cat), true); |
||||
} |
||||
|
||||
/** |
||||
* @brief Get a particular user's config variable given the category name |
||||
* ($cat) and a $key. |
||||
* |
||||
* Get a particular config value from the given category ($cat) |
||||
* and the $key from a cached storage either from the $this->configAdapter |
||||
* (@see IConfigAdapter ) or from the $this->configCache (@see IConfigCache ). |
||||
* |
||||
* @param string $cat The category of the configuration value |
||||
* @param string $key The configuration key to query |
||||
* @param mixed $default_value optional, The value to return if key is not set (default: null) |
||||
* @param boolean $refresh optional, If true the config is loaded from the db and not from the cache (default: false) |
||||
* |
||||
* @return mixed Stored value or null if it does not exist |
||||
*/ |
||||
public function get($cat, $key, $default_value = null, $refresh = false) |
||||
{ |
||||
// Return the value of the cache if found and no refresh is forced |
||||
if (!$refresh && $this->configCache->has($cat, $key)) { |
||||
return $this->configCache->get($cat, $key); |
||||
} |
||||
|
||||
// if we don't find the value in the cache and the adapter isn't ready, return the default value |
||||
if (!$this->configAdapter->isConnected()) { |
||||
return $default_value; |
||||
} |
||||
|
||||
// load DB value to cache |
||||
$dbvalue = $this->configAdapter->get($cat, $key); |
||||
|
||||
if ($dbvalue !== '!<unset>!') { |
||||
$this->configCache->set($cat, $key, $dbvalue); |
||||
return $dbvalue; |
||||
} else { |
||||
return $default_value; |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* @brief Sets a configuration value for system config |
||||
* |
||||
* Stores a config value ($value) in the category ($cat) under the key ($key) |
||||
* |
||||
* Note: Please do not store booleans - convert to 0/1 integer values! |
||||
* |
||||
* @param string $cat The category of the configuration value |
||||
* @param string $key The configuration key to set |
||||
* @param mixed $value The value to store |
||||
* |
||||
* @return bool Operation success |
||||
*/ |
||||
public function set($cat, $key, $value) |
||||
{ |
||||
// set the cache first |
||||
$cached = $this->configCache->set($cat, $key, $value); |
||||
|
||||
// If there is no connected adapter, we're finished |
||||
if (!$this->configAdapter->isConnected()) { |
||||
return $cached; |
||||
| < | ||||