<?php
-namespace Friendica\Core;
-
-use Friendica\Database\DBM;
-use dba;
-
/**
+ * System Configuration Class
+ *
* @file include/Core/Config.php
*
- * @brief Contains the class with methods for system configuration
+ * @brief Contains the class with methods for system configuration
*/
+namespace Friendica\Core;
+use Friendica\BaseObject;
+use Friendica\Core\Config;
+
+require_once 'include/dba.php';
/**
- * @brief Arbitrary sytem configuration storage
- * Note:
- * Please do not store booleans - convert to 0/1 integer values
- * The Config::get() functions return boolean false for keys that are unset,
- * and this could lead to subtle bugs.
+ * @brief Arbitrary system configuration storage
*
- * There are a few places in the code (such as the admin panel) where boolean
- * configurations need to be fixed as of 10/08/2011.
+ * Note:
+ * If we ever would decide to return exactly the variable type as entered,
+ * we will have fun with the additional features. :-)
*/
-class Config {
-
- private static $cache;
- private static $in_db;
+class Config extends BaseObject
+{
+ /**
+ * @var Friendica\Core\Config\IConfigAdapter
+ */
+ private static $adapter = null;
+
+ public static function init()
+ {
+ if (self::getApp()->getConfigValue('system', 'config_adapter') == 'preload') {
+ self::$adapter = new Config\PreloadConfigAdapter();
+ } else {
+ self::$adapter = new Config\JITConfigAdapter();
+ }
+ }
/**
* @brief Loads all configuration values of family into a cached storage.
* All configuration values of the system are stored in global cache
* which is available under the global variable $a->config
*
- * @param string $family
- * The category of the configuration value
+ * @param string $family The category of the configuration value
+ *
* @return void
*/
- public static function load($family = "config") {
-
- // We don't preload "system" anymore.
- // This reduces the number of database reads a lot.
- if ($family === 'system') {
- return;
+ public static function load($family = "config")
+ {
+ if (empty(self::$adapter)) {
+ self::init();
}
- $a = get_app();
-
- $r = dba::select('config', array('v', 'k'), array('cat' => $family));
- while ($rr = dba::fetch($r)) {
- $k = $rr['k'];
- if ($family === 'config') {
- $a->config[$k] = $rr['v'];
- } else {
- $a->config[$family][$k] = $rr['v'];
- self::$cache[$family][$k] = $rr['v'];
- self::$in_db[$family][$k] = true;
- }
- }
- dba::close($r);
+ self::$adapter->load($family);
}
/**
* local config cache, pull it into the cache so we don't have
* to hit the DB again for this item.
*
- * @param string $family
- * 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)
+ * @param string $family 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 $refresh optional, If true the config is loaded from the db and not from the cache (default: false)
+ *
* @return mixed Stored value or null if it does not exist
*/
- public static function get($family, $key, $default_value = null, $refresh = false) {
-
- $a = get_app();
-
- if (!$refresh) {
-
- // Do we have the cached value? Then return it
- if (isset(self::$cache[$family][$key])) {
- if (self::$cache[$family][$key] === '!<unset>!') {
- return $default_value;
- } else {
- return self::$cache[$family][$key];
- }
- }
- }
-
- $ret = dba::select('config', array('v'), array('cat' => $family, 'k' => $key), array('limit' => 1));
- if (DBM::is_result($ret)) {
- // manage array value
- $val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret['v']) ? unserialize($ret['v']) : $ret['v']);
-
- // Assign the value from the database to the cache
- self::$cache[$family][$key] = $val;
- self::$in_db[$family][$key] = true;
- return $val;
- } elseif (isset($a->config[$family][$key])) {
-
- // Assign the value (mostly) from the .htconfig.php to the cache
- self::$cache[$family][$key] = $a->config[$family][$key];
- self::$in_db[$family][$key] = false;
-
- return $a->config[$family][$key];
+ public static function get($family, $key, $default_value = null, $refresh = false)
+ {
+ if (empty(self::$adapter)) {
+ self::init();
}
- self::$cache[$family][$key] = '!<unset>!';
- self::$in_db[$family][$key] = false;
-
- return $default_value;
+ return self::$adapter->get($family, $key, $default_value, $refresh);
}
/**
*
* Note: Please do not store booleans - convert to 0/1 integer values!
*
- * @param string $family
- * The category of the configuration value
- * @param string $key
- * The configuration key to set
- * @param string $value
- * The value to store
+ * @param string $family The category of the configuration value
+ * @param string $key The configuration key to set
+ * @param mixed $value The value to store
+ *
* @return mixed Stored $value or false if the database update failed
*/
- public static function set($family, $key, $value) {
- $a = get_app();
-
- // We store our setting values in a string variable.
- // So we have to do the conversion here so that the compare below works.
- // The exception are array values.
- $dbvalue = (!is_array($value) ? (string)$value : $value);
-
- $stored = self::get($family, $key, null, true);
-
- if (($stored === $dbvalue) && self::$in_db[$family][$key]) {
- return true;
- }
-
- if ($family === 'config') {
- $a->config[$key] = $dbvalue;
- } elseif ($family != 'system') {
- $a->config[$family][$key] = $dbvalue;
+ public static function set($family, $key, $value)
+ {
+ if (empty(self::$adapter)) {
+ self::init();
}
- // Assign the just added value to the cache
- self::$cache[$family][$key] = $dbvalue;
-
- // manage array value
- $dbvalue = (is_array($value) ? serialize($value) : $dbvalue);
-
- dba::update('config', array('v' => $dbvalue), array('cat' => $family, 'k' => $key), true);
-
- if ($ret) {
- self::$in_db[$family][$key] = true;
- return $value;
- }
- return $ret;
+ return self::$adapter->set($family, $key, $value);
}
/**
* Removes the configured value from the stored cache in $a->config
* and removes it from the database.
*
- * @param string $family
- * The category of the configuration value
- * @param string $key
- * The configuration key to delete
+ * @param string $family The category of the configuration value
+ * @param string $key The configuration key to delete
+ *
* @return mixed
*/
- public static function delete($family, $key) {
-
- if (isset(self::$cache[$family][$key])) {
- unset(self::$cache[$family][$key]);
- unset(self::$in_db[$family][$key]);
+ public static function delete($family, $key)
+ {
+ if (empty(self::$adapter)) {
+ self::init();
}
- $ret = dba::delete('config', array('cat' => $family, 'k' => $key));
-
- return $ret;
+ return self::$adapter->delete($family, $key);
}
}
projects / friendica.git / blobdiff